addendum no. ad 02 generalotsdocs.s3.wasabisys.com/592385/sections/21a95747... · lee county...

LEE COUNTY RENOVATIONS – COURTS COMPLEX AND GOVERNMENT CENTER

SANFORD, NORTH CAROLINA

ARCHITECT’S PROJECT NO: 592385

APRIL 24, 2020 ADDENDUM NO. 02 of 2

ADDENDUM NO. AD 02 1

GENERAL: 2

Planholders are requested to insert this Addendum in the front of their Project Manual. Inform all 3

concerned that the Bidding Documents are modified by this Addendum. 4

The following modifications and clarifications are hereby made a part of the Bidding Documents and 5

supersede or otherwise modify the provisions of the published Project Manual and Drawings, dated 6

APRIL 6, 2020; Addendum No. 02, dated APRIL 24, 2020. 7

Refer to the Drawings, Specification Sections, or other Documents, if any, attached to this Addendum, 8

which are hereby made a part of this Addendum. 9

MODIFICATIONS TO THE PROJECT MANUAL AND DRAWINGS: 10

DELETE 000110 Table of Contents in its entirety. 11

SUBSTITUTE with revised 000110 Table of Contents attached to this Addendum. 12

DELETE 012300 Alternates in its entirety. 13

SUBSTITUTE with revised 012300 Alternates attached to this Addendum. 14

DELETE 230900 Building Automation System in its entirety. 15

SUBSTITUTE with revised 230900 Building Automation System attached to this Addendum. 16

DELETE 230993 Sequences of Operation in its entirety. 17

SUBSTITUTE with revised 230993 Sequences of Operation attached to this Addendum. 18

ADD 237333 Outdoor Air Units attached to this Addendum. 19

DELETE drawing A3.1.2 in its entirety. 20

SUBSTITUTE with revised drawing A3.1.2 attached to this Addendum. 21







DELETE drawing M0.2 in its entirety. 28

SUBSTITUTE with revised drawing M0.2 attached to this Addendum. 29









ARCHITECT’S PROJECT NO: 592385

APRIL 24, 2020 ADDENDUM NO. 02 of 2





DELETE drawing M2.1.1 in its entirety. 40

SUBSTITUTE with revised drawing M2.1.1 attached to this Addendum. 41





















62

63

REFER TO DRAWINGS ATTACHED TO THE END OF THIS ADDENDUM 64

REFER TO SPECIFICATION SECTIONS ATTACHED TO THE END OF THIS ADDENDUM 65

66

END OF ADDENDUM NO 02 67



Architect’s Project No: 592385

TABLE OF CONTENTS 001100 - 1

DIVISION 00 – BIDDING AND CONTRACTUAL REQUIREMENTS

000107 Seals Page

001100 Invitation to Bid

001102 COVID-19 Impacts to Bidding

002100 Instructions to Bidders (AIA Document A701, 1997 edition)

002600 Prebid Question Form: (Use on-line form or attached herein. To access form

go to www.moseleyarchitects.com , “Bidding”, “Submit Question”).

004100 Bid form

004313 Bid Bond (AIA Document A310, 2010 edition)

004325 Substitution Request Form (During Bidding)

004513 Contractor’s Qualification Statement (AIA Document A305, 1986 edition)

005213 Standard Form of Agreement Between Owner and Contractor

(AIA Document A101, 2007 edition)

006113 Payment Bond (AIA Document A312, 2010 edition)

006113 Performance Bond (AIA Document A312, 2010 edition)

007200 General Conditions of the Contract for Construction

(AIA Document A201, 2007 edition)

SPECIFICATIONS – TABLE OF CONTENTS

DIVISION 1 – GENERAL REQUIREMENTS

012300 Alternates

012500 Substitution Procedures

012600 Contract Modification Procedures

012900 Payment Procedures

013100 Project Management and Coordination

013200 Construction Progress Documentation

013300 Submittal Procedures

014000 Quality Requirements

014200 References

014520 Testing, Adjusting, and Balancing for HVAC

015000 Temporary Facilities and Controls

016000 Product Requirements

017300 Execution

017419 Construction Waste Management

017700 Closeout Procedures

017823 Operation and Maintenance Data

017839 Project Record Documents

018119 Indoor Air Quality Requirements

018316 NFPA 285 Exterior Wall Assembly Requirements

018317 Exterior Enclosure Air Barrier Requirements





DIVISION 2 – EXISTING CONDITIONS

022100 Project Road Closures, Clean-up, Restabilization and Restoration

DIVISION 3 – CONCRETE

033000 Cast-in-Place Concrete – by Addendum

DIVISION 4 – MASONRY

042000 Unit Masonry

DIVISION 5 – METALS

054000 Cold-Formed Metal Framing – Structural CFSF-S

055000 Metal Fabrications

DIVISION 6 – WOOD PLASTICS AND COMPOSITES

061000 Rough Carpentry

061600 Sheathing

064023 Interior Architectural Woodwork

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

072100 Thermal Insulation

072727 Sprayed Polyurethane Foam Air Barrier

073113 Asphalt Shingles

076201 Flashing, Sheet Metal and Roofing Accessories

078426 Thermal Barriers for Plastics

079200 Joint Sealants

DIVISION 8 – OPENINGS

081113 Steel Doors and Frames

081416 Flush Wood Doors

083113 Access Doors and Frames

084000 Aluminum Entrances, Storefront and Curtain Wall

087100 Door Hardware – by Addendum

088000 Glazing

DIVISION 9 – FINISHES

092216 Cold-Formed Steel Framing – Non-Structural (CFSF-NS)

092900 Gypsum Board

093000 Tiling

095113 Acoustical Panel Ceilings

096513 Resilient Base and Accessories

096519 Resilient Tile Flooring

096813 Tile Carpeting

099100 Painting

DIVISION 10 – SPECIALTIES

102600 Wall and Door Protection





102800 Toilet and Bath Accessories

104400 Fire-Protection Specialties

DIVISION 11 - EQUIPMENT - NOT USED

DIVISION 12 – FURNISHINGS - NOT USED

DIVISION 13 – SPECIAL CONSTRUCTION - NOT USED

DIVISION 14 – CONVEYING SYSTEMS - NOT USED

DIVISION 21 – FIRE SUPPRESSION – NOT USED

DIVISION 22 – PLUMBING

220500 Common Work Results for Plumbing Piping

220516 Expansion Fittings and Loops for Plumbing Piping

220517 Sleeves and Sleeve Seals for Plumbing Piping

220523 General-Duty Valves for Plumbing Piping

220529 Hangers and Supports for Plumbing Piping and Equipment

220553 Identification for Plumbing Piping and Equipment

220700 Plumbing Insulation

221116 Domestic Water Piping

221119 Domestic Water Piping Specialties

221316 Sanitary Waste and Vent Piping

221319 Sanitary Waste Piping Specialties

224000 Plumbing Fixtures

DIVISION 23 – MECHANICAL

230500 Common Work Results for HVAC

230513 Motors for HVAC Equipment

230514 Variable Speed Drives

230516 Expansion Fittings and Loops for HVAC Piping

230517 Sleeves and Sleeve Seals for HVAC Piping

230519 Meters and Gauges for HVAC Piping

230523 General Duty Valves for HVAC Piping

230529 Hangers and Supports for HVAC Piping and Equipment

230548 Vibration Control for HVAC

230553 Identification for HVAC Piping and Equipment

230700 HVAC Insulation

230900 Building Automation System

230993 Sequences of Operations for HVAC Controls

232113 Hydronic Piping

232123 Hydronic Pumps

232300 Refrigerant Piping

233113 Metal Ducts

233300 Air Duct Accessories

233423 HVAC Power Ventilators

233713 Diffusers, Registers and Grilles





233723 HVAC Gravity Ventilators

235233 Water-Tube Boilers

237333 Outdoor Air Units (*AD-02)

238126 Split System Air Conditioners

238219 Fan Coil Units

DIVISION 25 – INTEGRATED AUTOMATION – NOT USED

DIVISION 26 – ELECTRICAL

260519 Low-Voltage Electrical Power Conductors And Cables

260526 Grounding And Bonding For Electrical Systems

260529 Hangers And Supports For Electrical Systems

260533 Raceways And Boxes For Electrical Systems

260543 Underground Ducts And Raceways For Electrical Systems

260544 Sleeves And Sleeve Seals For Electrical Raceways And Cabling

260553 Identification For Electrical Systems

260572 Overcurrent Protective Device Short-Circuit Study

260573 Overcurrent Protective Device Coordination Study

260574 Overcurrent Protective Device Arc-Flash Study

260923 Lighting Control Devices

262416 Panelboards

262726 Wiring Devices

265119 Led Interior Lighting

DIVISION 27 – COMMUNICATIONS

270500 Common Work Results for Communications Systems

271100 Communications Equipment Room Fittings

271500 Communications Horizontal Cabling

DIVISIONS 28 – ELECTRONIC SAFETY AND SECURITY

283111 Addressable Fire-Alarm System

DIVISION 31 – EARTHWORK

Refer to Civil Engineering Drawings

DIVISION 32 – EXTERIOR IMPROVEMENTS

Refer to Civil Engineering Drawings

DIVISION 33 – UTILITIES – NOT USED

DIVISION 34 – TRANSPORTATION – NOT USED

END OF TABLE OF CONTENTS




ALTERNATES 012300 - 1

SECTION 012300 – ALTERNATES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Provisions of the Contract and of the Contract Documents apply to this Section.

1.2 DEFINITIONS

A. Alternate: An amount proposed by bidders and stated on the Bid Form for certain work defined

in the Bidding Requirements that may be added to or deducted from the base bid amount if

Owner decides to accept a corresponding change either in the amount of construction to be

completed or in the products, materials, equipment, systems, or installation methods described

in the Contract Documents.

1. Alternates described in this Section are part of the Work only if enumerated in the

Agreement.

2. The cost or credit for each alternate is the net addition to or deduction from the Contract

Sum to incorporate alternate into the Work. No other adjustments are made to the

Contract Sum.

1.3 PROCEDURES

A. Coordination: Modify or adjust affected adjacent work as necessary to completely integrate

work of the alternate into Project.

1. Include as part of each alternate, miscellaneous devices, accessory objects, and similar

items incidental to or required for a complete installation whether or not indicated as part

of alternate.

B. Notification: Immediately following award of the Contract, notify each party involved, in

writing, of the status of each alternate. Indicate if alternates have been accepted, rejected, or

deferred for later consideration. Include a complete description of negotiated modifications to

alternates.

C. Execute accepted alternates under the same conditions as other work of the Contract.

D. Schedule: A schedule of alternates is included at the end of this Section. Specification Sections

referenced in schedule contain requirements for materials necessary to achieve the work

described under each alternate.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 SCHEDULE OF ALTERNATES

A. Alternate No. 1: Government Center First Floor Equipment

1. Base Bid: Provide mechanical equipment as described in the drawings and

specifications.

2. Alternate: Provide air handling units and condensing units in first floor mechanical

rooms as described in the drawings and specifications.




ALTERNATES 012300 - 2

B. Alternate No. 2: Building Automation System Controls (Preferred Brand Alternate):

(*AD-02)

1. Base Bid: Provide Building Automation System Controls by manufacturer

complying with specification requirements in Section 230900 “Building Automation

System.”

2. Alternate: Provide Building Automation System Controls by Schneider Electric

Honeywell.

END OF SECTION 012300




BUILDING AUTOMATION SYSTEM 230900-1

SECTION 230900 – BUILDING AUTOMATION SYSTEM

PART 1 - GENERAL



1.2 SUMMARY

A. This Section includes control equipment for HVAC systems and components, including control

components for terminal heating and cooling units not supplied with factory wired controls.

B. Related Sections include the following:

1. Division 23 Section "Sequences of Control" for requirements that relate to this Section.

2. Division 23 Section “Modular Indoor Air Handling Units” for requirements that relate to

this Section.

3. Division 23 Section “Packaged Rooftop Units” for requirements that relate to this

Section.

4. Division 28 Sections for additional conduit requirements for all electronic safety and

security systems specified under Division 28.

C. Work Under Other Sections:

1. The following shall be provided under Division 26 specifications sections:

a. 120V power to BAS panels and devices with circuits indicated on the drawings.

Refer to “Coordination” paragraph below.

b. Wiring of power feeds to disconnect switches and starters.

c. Wiring from disconnect switches and starters to electric motors.

d. Wiring of any remote start/stop switches and manual or automatic motor speed

control devices not furnished under this section of the specifications.

1.3 DEFINITIONS

A. BAS: Building automation system.

B. DDC: Direct digital control.

1.4 SUBMITTALS

A. Pre-submittal meeting: The Contractor performing work under this Section of the specifications

shall attend a meeting for the purpose of coordinating the control system with major pieces of

equipment including Rooftop Units and Terminal Units. The meeting shall be held on the

project site in the contractor’s trailer or other location acceptable to the Contractor. The

Contractor shall be responsible for arranging the meeting. Submittals shall be essentially

complete at the time of the meeting so detailed coordination items can be discussed.





B. Submit ten (10) complete sets of documentation in the following phased delivery schedule:

1. Schedule of dampers including size, leakage, and flow characteristics.

2. Schedule of valves including leakage and flow characteristics.

3. Product Data: Include manufacturer's technical literature for each control device.

Indicate dimensions, capacities, performance characteristics, electrical characteristics,

finishes for materials, and installation and startup instructions for each type of product

indicated. Include each control device labeled with setting or adjustable range of control.

a. DDC System Hardware: Bill of materials of equipment indicating quantity,

manufacturer, and model number. Include technical data for operator workstation

equipment, interface equipment, control units, transducers/transmitters, sensors,

actuators, valves, relays/switches, control panels, and operator interface

equipment.

b. Control System Software: Include technical data for operating system software,

operator interface, color graphics, and other third-party applications.

c. Controlled Systems: Instrumentation list with element name, type of device,

manufacturer, model number, and product data. Include written description of

sequence of operation including schematic diagram.

4. Shop Drawings: Detail equipment assemblies and indicate dimensions, weights, loads,

required clearances, method of field assembly, components, and location and size of each

field connection. Include the following:

a. System schematics, including:

1) Written sequences of operation

2) Listing of connected data points, including connected control unit and input

device.

a) Point names

b) Point addresses

3) Power, signal, and control wiring. Differentiate between manufacturer-

installed and field-installed wiring.

4) Details of control panel faces, including controls, instruments, and labeling.

5) Schematic flow diagrams showing fans, pumps, coils, dampers, valves, and

control devices.

6) Trunk cable schematic showing programmable control unit locations and

trunk data conductors.

7) System graphics indicating monitored systems, data (connected and

calculated) point addresses, and operator notations.

8) System configuration showing peripheral devices, batteries, power supplies,

diagrams, modems, and interconnections.

C. Maintenance Data: For systems to include in maintenance manuals specified in Division 1.

Include the following:

1. Maintenance instructions and lists of spare parts for each type of control device and

compressed-air station.

2. Interconnection wiring diagrams with identified and numbered system components and

devices.

3. Keyboard illustrations and step-by-step procedures indexed for each operator function.

4. Inspection period, cleaning methods, cleaning materials recommended, and calibration

tolerances.





5. Calibration records and list of set points.

D. Project Record Documents: Record actual locations of control components, including control

units, thermostats, and sensors. Revise Shop Drawings to reflect actual installation and

operating sequences.

E. Upon project completion, submit operation and maintenance manuals, consisting of the

following:

1. Index sheet listing contents in alphabetical order.

2. Manufacturer’s equipment parts list of all functional components of the system.

3. CD-ROM of system schematics including wiring diagrams.

4. Sequence of operations

5. As-built interconnection wiring diagrams.

6. Operator’s manual.

7. Trunk cable schematic showing remote electronic panel locations and all trunk data.

8. List of connected data points, including panels to which they are connected and input

device (sensors, thermostat, etc.)

9. Software and firmware operational documentation. Include the following:

a. Software operating and upgrade manuals.

b. Program software backup: On a magnetic media or compact disc, complete with

data files.

c. Device address list.

d. Printout of software application and graphic screens.

e. Software license required by and installed for DDC workstations and control

systems.

10. Software Upgrade Kit: For Owner to use in modifying software to suit future power

system revisions or monitoring and control revisions.

11. Field Test Reports: Indicate and interpret test results for compliance with performance

requirements.

F. Submit product data sheets for airflow measuring devices indicating minimum placement

requirements, sensor density, sensor distribution, and installed accuracy to the host control

system. Submit a schedule of airflow measuring devices indicating compliance with specified

accuracy at minimum and maximum airflow rates. Submit installation, operation and

maintenance documentation.

1.5 QUALITY ASSURANCE

A. The BAS system shall be designed and installed, commissioned, and serviced by a

manufacturer’s authorized installer.

B. Manufacturer Qualifications: A firm experienced in manufacturing automatic temperature-

control systems similar to those indicated for this Project and with a record of successful in-

service performance.

C. All materials and equipment used shall be standard components, regularly manufactured for this

and/or other systems and not custom designed specially for this project.





D. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,

Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for

intended use.

E. Electronic equipment shall conform to the requirements of FCC Regulation, Part 15, Section 15,

governing radio frequency electromagnetic interference and shall be so labeled.

F. Comply with NFPA 90A, "Installation of Air Conditioning and Ventilation Systems."

1.6 COORDINATION

A. Control Wiring: The BAS manufacturer shall be responsible for all BAS and temperature

control wiring for a complete and operable system. All wire and cable shall be plenum-rated

and shall be in accordance with Division 26 specification sections and all local, state and

national codes and ordinances.

B. Where plenum-rated BAS cable is routed in concealed, accessible spaces, the cable may be run

in the cable trays or in J-Hooks provided under this section of the specifications. Where

plenum-rated BAS cable is routed in exposed or inaccessible areas, it shall be run in conduit

provided under this section of the specifications.

C. Power Wiring:

1. Power wiring indicated (device and circuit designation indicated) on the drawings shall

be provided under Division 26.

2. The BAS manufacturer shall be responsible for power wiring not indicated (device or

circuit designation not indicated) on the Drawings. It shall be the BAS manufacturer’s

responsibility to review the Contract Documents to determine the extent of power wiring

included in Division 26 and to provide additional power wiring as required. Work shall

be in accordance with Division 26 specifications and all local, state and national codes

and ordinances.

3. Where the contractor performing work under this section requires an additional circuit for

power wiring to a device or panel under paragraph 2 above, an RFI shall be issued

requesting approval to use an available circuit in the nearest panel. Once approval is

granted, all wiring and conduit from the breaker to the device or panel shall be provided

under this section of the specifications.

D. Coordinate location of thermostats, humidistats, and other exposed control sensors with plans

and room details before installation.

E. Coordinate installation of conduit to avoid cutting of finished surfaces.

F. Coordinate equipment with Division 28 Section "Fire Alarm and Smoke Detection System" to

achieve compatibility with equipment that interfaces with that system.

G. Coordinate supply of conditioned electrical branch circuits for control units and operator

workstation.

H. Coordinate with, and provide connection to the facility grounding system in accordance with R-

56.





I. Coordinate equipment with Division 26 Section "Panelboards" to achieve compatibility with

starter coils and annunciation devices.

J. Coordinate with, and provide for telecommunications infrastructure cables and connections to

connect to the Owner’s network as required by owner.

1.7 WARRANTY

A. Provide all services, materials and equipment necessary for the successful operation of the

entire BAS system for a period of one year beginning on the date of Substantial Completion.

PART 2 - PRODUCTS

2.1 CONTROL SYSTEM

A. Manufacturers: (*AD-02)

1. Automated Logic

2. Trane

3. Schneider Electric Owner Preferred Brand. Refer to Alternate No. 2.

4. Honeywell - Owner Preferred Brand. Refer to Alternate No. 2

5. Delta Controls

6. Alerton

B. The design of the BAS shall network any existing operator workstations located off-site, the

district supervisory server, network area controllers, and stand-alone DDC controllers. The

design of the BAS shall network the network area controllers and stand-alone DDC

controllers. (*AD-02) The network architecture shall consist of two levels: a high performance

peer-to-peer network and DDC controller-specific local area networks. Access to the

controller-specific LAN shall be totally transparent to the user when accessing data or

developing control programs. The BAS shall be comprised of Network Area Controller(s)

within each facility. The NAC shall connect to the owner’s wide area network. Access to the

system, either locally in each building, or remotely from a central site or sites, shall be

accomplished through standard web browsers, via the Internet and/or VPN access to the school

system’s WAN. Each NAC shall communicate to LonMark/LonTalk (IDC) and/or BACnet

(IBC) controllers provided under this Section.

C. Control system shall consist of sensors, indicators, actuators, final control elements, interface

equipment, other apparatus, accessories, and software connected to distributed controllers

operating in multiuser, multitasking environment on token-passing network and programmed to

control mechanical systems. An operator workstation permits interface with the network via

dynamic color graphics with each mechanical system, building floor plan, and control device

depicted by point-and-click graphics.

D. Peer-to-Peer Network Level: All operator devices either network resident or connected via

dial-up modems shall have the ability to access all point status and application report data, and

to execute control functions for any and all other devices via the peer-to-peer network. No

hardware or software limits shall be imposed on the number of devices with global access to the

network data at any time.





1. Telecommunication Capability:

a. Auto-dial/auto-answer communications shall be provided to allow DDC

Controllers to communicate with remote operator stations and/or remote terminals

via telephone lines, as indicated in the sequence of operations. Existing modems

and existing remote host software shall be utilized to meet existing connection

system.

b. Auto-dial DDC Controllers shall automatically place calls to workstations to report

alarms or other significant events. The auto-dial program shall include provisions

for handling busy signals, "no answers" and incomplete data transfers.

2. Operators at dial-up workstations shall be able to perform all control functions, all report

functions and all database generation and modification functions as described for

workstations connected via the network. Routines shall be provided to automatically

answer calls from remote DDC Controllers. The fact that communications are taking

place with remote DDC Controllers over telephone lines shall be completely transparent

to an operator.

3. Main DDC panels shall be connected via fiber. All fiber, connection hardware, and work

required for connection of main panels shall be included.

4. An Ethernet connection shall be made to the exiting central maintenance host

workstation. The contractor performing work under this section of the specifications

shall meet with the Owner’s IT or IS department and shall be responsible for providing a

complete Ethernet connection over the Owner’s existing network. All software,

hardware, wiring, fiber, and components necessary shall be provided.

2.2 DDC CONTROLLERS

A. No controller shall be loaded to more than 80%. IE: A controller with 20 available points shall

be loaded with 16 points or less.

B. DDC controllers shall be stand-alone, multi-tasking, multi-user, real-time digital control

processors consisting of modular hardware with plug-in enclosed processors, communication

controllers, power supplies and input/output point modules. Controller size shall be sufficient

to fully meet the requirements of the contract documents. Each controller shall support a

minimum of two (2) LAN Device Networks.

C. Each DDC controller shall have sufficient memory to support its own operating system and

databases, including:

1. Control processes

2. Energy management applications

3. Alarm management applications including custom alarm messages for each level alarm

for each point in the system.

4. Historical/trend data for points specified.

5. Maintenance support applications.

6. Custom processes.

7. Operator I/O.

8. Dial-up communications.

9. Manual override monitoring.

D. Each DDC controller shall support any combination of industry standard inputs and outputs.





E. Provide all processors, power supplies and communication controllers so that the

implementation of a point only requires the addition of the appropriate point input/output

termination module and wiring.

F. DDC controllers shall provide a minimum two RS-232C serial data communication ports for

operation of operator I/O devices such as industry standard printers, operator terminals, modems

and portable laptop operator's terminals. DDC controllers shall allow temporary use of portable

devices without interrupting the normal operation of permanently connected modems, Ethernet

connections, printers, or terminals.

G. Each DDC controller shall continuously perform self-diagnostics, communication diagnosis and

diagnosis of all panel components. The DDC controller shall provide both local and remote

annunciation of any detected component failures, low battery conditions or repeated failure to

establish communication.

H. Isolation shall be provided at all peer-to-peer network terminations, as well as all field point

terminations to suppress induced voltage transients consistent with IEEE Standards 587-1980.

I. In the event of the loss of normal power, there shall be an orderly shutdown of all DDC

controllers to prevent the loss of database or operating system software. Non-volatile memory

shall be incorporated for all critical controller configuration data and battery backup shall be

provided to support the real-time clock and all volatile memory for a minimum of 100 days.

1. Upon restoration of normal power, the DDC controller shall automatically resume full

operation without manual intervention.

2. Should DDC controller memory be lost for any reason, the system shall automatically

reload the DDC controller via the local RS-232C port, via telephone line dial-in or

Ethernet from the existing network workstation PC.

J. Provide a separate DDC controller for each RTU or other HVAC system. It is intended that

each unique system be provided with its own point resident DDC controller.

2.3 DDC CONTROLLER RESIDENT SOFTWARE FEATURES

A. General:

1. The software programs specified in this Section shall be provided as an integral part of

DDC Controllers and shall not be dependent upon any higher-level computer for

execution.

B. Control Software Description:

1. The DDC Controllers shall have the ability to perform the following pre-tested control

algorithms:

a. Two-position control

b. Proportional control

c. Proportional plus integral control

d. Proportional, integral, plus derivative control

e. Automatic tuning of control loops

C. DDC Controllers shall have the ability to perform any or all the following energy management

routines:

1. Time-of-day scheduling





2. Calendar-based scheduling

3. Holiday scheduling

4. Temporary schedule overrides

5. Start-Stop Time Optimization

6. Automatic Daylight Savings Time Switchover

7. Night setback control

8. Enthalpy switchover (economizer)

9. Peak demand limiting

10. Temperature-compensated duty cycling

11. Trending

D. DDC Controllers shall be able to execute custom, job-specific processes defined by the user, to

automatically perform calculations and special control routines.

E. Alarm management shall be provided to monitor and direct alarm information to operator

devices. Each DDC Controller shall perform distributed, independent alarm analysis and

filtering to minimize operator interruptions due to non-critical alarms, minimize network traffic

and prevent alarms from being lost. At no time shall the DDC Controllers ability to report

alarms be affected by either operator or activity at a PC workstation, local I/O device or

communications with other panels on the network.

F. A variety of historical data collection utilities shall be provided to manually or automatically

sample, store and display system data for points as specified.

2.4 APPLICATION SPECIFIC CONTROLLERS (ASC)

A. Each DDC Controller shall be able to extend its performance and capacity using remote

application specific controllers (ASCs) through LAN Device Networks.

B. Each ASC shall operate as a stand-alone controller capable of performing its specified control

responsibilities independently of other controllers in the network. Each ASC shall be a

microprocessor-based, multi-tasking, real-time digital control processor. Provide the following

types of ASCs as a minimum:

1. Terminal Equipment Controllers

a. Terminal Box (VAV box controllers) should have a differential pressure

transmitter (transducer) accuracy of 0.015-inches w.g. or less.

C. Each ASC shall be capable of control of the terminal device independent of the manufacturer of

the terminal device.

D. Terminal Equipment Controllers:

1. Provide for control of each piece of equipment, including, but not limited to, the

following:

a. Terminal Units

2.5 ELECTRONIC SENSORS

A. Description: Vibration and corrosion resistant; for wall, immersion, or duct mounting as

required.





B. Thermistor Temperature Sensors and Transmitters and Resistance Temperature Detectors and

Transmitters:

1. Accuracy: Plus or minus 0.5 deg F at calibration point.

2. Wire: Twisted, shielded-pair cable.

3. Insertion Elements in Ducts: Single point, 8 inches long; use where not affected by

temperature stratification or where ducts are smaller than 9 sq. ft.

4. Averaging Elements in Ducts: 36 inches long, flexible; use where prone to temperature

stratification or where ducts are larger than 10 sq. ft.

5. Insertion Elements for Liquids: Brass or stainless steel socket with minimum insertion

length of 2-1/2 inches.

6. Room Sensor Cover Construction: Manufacturer's standard locking covers.

a. Set-Point Adjustment (non-secure zones): Warmer/cooler adjustment. Range of

adjustment shall be programmable through the BAS.

b. Set-Point Indication (non-secure zones): LCD display.

c. Thermometer (non-secure zones): LCD display.

d. Color: Manufacturer’s standard.

e. Orientation: Vertical.

7. Outside-Air Sensors: Watertight inlet fitting, shielded from direct sunlight.

C. Humidity Sensors: Capacitance or bulk polymer resistance type.

1. Accuracy: 5 percent full range with linear output.

2. Outside-Air Sensor: 20 to 80 percent relative humidity range with mounting enclosure,

suitable for operation at outdoor temperatures of 0 to 185 deg F.

3. Duct-Mounted: Electric insertion, 2-position type with adjustable, 2 percent throttling

range, 20 to 80 percent operating range, and single- or double-pole contacts.

D. Pressure Transmitters/Transducers:

1. Static-Pressure Transmitter: Nondirectional sensor with suitable range for expected input

and temperature-compensated.

a. Accuracy: 2 percent of full scale with repeatability of 0.5 percent.

b. Output: 4 to 20 mA.

c. Building Static-Pressure Range: 0- to 0.25-inch wg.

d. Duct Static-Pressure Range: 0- to 5-inch wg.

2. Water Pressure Transducers: Stainless-steel diaphragm construction, suitable for service;

minimum 150-psig operating pressure; linear output 4 to 20 mA.

3. Water Differential-Pressure Transducers: Stainless-steel diaphragm construction,

suitable for service; minimum 150-psig operating pressure and tested to 300-psig; linear

output 4 to 20 mA.

4. Differential-Pressure Switch (Air or Water): Snap acting, with pilot-duty rating and with

suitable scale range and differential. Accuracy shall be +/- 5% of range.

5. Pressure Transmitters: Direct acting for gas, liquid, or steam service; range suitable for

system; linear output 4 to 20 mA.

E. Current Sensing Switch:

1. Sensor supply voltage and supply current shall be induced from monitored conductor.

Contact rating shall be 0.2 amperes at 30 volts DC/AC. Trip set point shall be adjustable

to +/-1% of range. Current sensing switch wiring shall not be polarity sensitive.

F. Liquid Level Sensors:





1. Liquid level sensors shall have ½” accuracy calibrated to detect water in temperature

range from 60°F to 80°F. Output signal shall be 4 to 20 mA. Sensor material shall be

stainless steel or other non-corrosive material.

G. Carbon Dioxide Sensors:

1. Accuracy: +/- 5%

2. Operating Range: 0-200 ppm

2.6 STATUS SENSORS

A. Status Inputs for Fans: Differential-pressure switch with pilot-duty rating and with adjustable

range of 0- to 5-inch wg.

B. Status Inputs for Electric Motors: Comply with ISA 50.00.01, current-sensing fixed- or split-

core transformers with self-powered transmitter, adjustable and suitable for 175 percent of rated

motor current.

C. Voltage Transmitter (100- to 600-V ac): Comply with ISA 50.00.01, single-loop, self-powered

transmitter, adjustable, with suitable range and 1 percent full-scale accuracy.

D. Power Monitor: 3-phase type with disconnect/shorting switch assembly, listed voltage and

current transformers, with pulse kilowatt hour output and 4- to 20-mA kW output, with

maximum 2 percent error at 1.0 power factor and 2.5 percent error at 0.5 power factor.

E. Current Switches: Self-powered, solid-state with adjustable trip current, selected to match

current and system output requirements.

F. Electronic Valve/Damper Position Indicator: Visual scale indicating percent of travel and 2- to

10-V dc, feedback signal.

G. Water-Flow Switches: Bellows-actuated mercury or snap-acting type with pilot-duty rating,

stainless steel or bronze paddle, with appropriate range and differential adjustment, in

NEMA 250, Type 1 enclosure.

2.7 FLOW MEASURING STATIONS

A. Duct Airflow Station:

1. Qualifications: The manufacturer shall have a minimum of ten years experience

producing products of this type.

2. Acceptable Manufacturers: Subject to compliance with requirements, provide products

by Ebtron Inc. Unless otherwise noted model numbers shall be as follows:

a. Model GTx116-PC for ducts and plenums.

b. Model GTx116-F for fan inlet applications.

3. Alternative Manufacturers: Alternative manufacturers may be submitted as a substitution

in accordance with Division 1 specification requirements. Superior performance or lower





cost to the owner must be provided. Acceptance shall be at the sole discretion of the

Architect.

4. Special Warranty: In addition to other required warranties, provide 3 years on parts from

the date of unit shipment.

5. Delivery, Storage and Handling: All handling and storage procedures shall be per

manufacturer’s recommendations. Airflow measuring devices shall be kept clean and

dry, protected from weather and construction traffic.

6. Provide airflow/temperature measurement devices where indicated on the plans. Fan

inlet measurement devices shall not be substituted for duct or plenum measurement

devices indicated on the plans.

7. The measurement device shall consist of one or more sensor probe assemblies and a

single, remotely mounted, microprocessor-based transmitter. Each sensor probe

assembly shall contain one or more independently wired sensor housings. The airflow

and temperature readings, calculated for each sensor housing, shall be equally weighted

and averaged by the transmitter prior to output. Pitot tubes and arrays are not acceptable.

Vortex shedding flow meters are not acceptable.

8. Sensor Probe Assemblies:

a. Sensor housings shall be manufactured of a U.L. listed engineered thermoplastic.

b. Sensor housings shall utilize two hermetically sealed, bead-in-glass thermistor

probes to determine airflow rate and ambient temperature. Devices that use “chip”

or diode case type thermistors are unacceptable. Devices that do not have two

thermistors in each sensor housing are not acceptable.

c. Sensor housings shall be calibrated at a minimum of 16 airflow rates and have an

accuracy of +/-2% of reading over the entire operating airflow range.

d. Each sensor housing shall be calibrated to standards that are traceable to the

National Institute of Standards and Technology (NIST).

e. Devices whose accuracy is the combined accuracy of the transmitter and sensor

probes must demonstrate that the total accuracy meets the performance

requirements of this specification throughout the measurement range.

f. Operating temperature range for the sensor probe assembly shall be -20° F to 160°

F. The operating humidity range for the sensor probe assembly shall be 0-99% RH

(non-condensing).

g. Each temperature sensor shall be calibrated at a minimum of three temperatures

and have an accuracy of +/-0.15° F over the entire operating temperature range.

Each temperature sensor shall be calibrated to standards that are traceable to the

National Institute of Standards and Technology (NIST).

h. Each sensor probe assembly shall have an integral, U.L. listed, plenum rated cable

and terminal plug for connection to the remotely mounted transmitter. All terminal

plug interconnecting pins shall be gold plated.

i. Each sensor assembly shall not require matching to the transmitter in the field.

j. A single manufacturer shall provide both the airflow/temperature measuring

probe(s) and transmitter at a given measurement location.

9. Duct and Plenum Sensor Probe Assemblies:

a. Sensor housings shall be mounted in an extruded, 6063 aluminum tube probe

assembly.

b. Thermistor probes shall be mounted in sensor housings using an epoxy resin.

c. All thermister probe wires shall be contained within the aluminum tube probe

assembly.

d. The number of sensor housings provided for each location shall be as follows:

1) Area (sq.ft.) Sensors





2) <2 4

3) 2 to <4 6

4) 4 to <8 8

5) 8 to <16 12

6) >=16 16

e. Probe assembly mounting brackets shall be constructed of 304 stainless steel.

Probe assemblies shall be mounted using one of the following options:

1) Insertion mounted through the side or top of the duct

2) Internally mounted inside the duct or plenum

3) Standoff mounted inside the plenum

f. The operating airflow range shall be 0 to 5,000 FPM unless otherwise indicated.

10. Fan Inlet Sensor Probe Assemblies:

a. Sensor housings shall be mounted on 304 stainless steel blocks.

b. Mounting rods shall be field adjustable to fit the fan inlet and constructed of

nickel-plated steel.

c. Mounting feet shall be constructed of 304 stainless steel.

d. The operating airflow range shall be 0 to 10,000 FPM unless otherwise indicated.

11. Transmitters:

a. The transmitter shall have a 16-character alphanumeric display capable of

displaying airflow, temperature, system status, configuration settings and

diagnostics. Configuration settings and diagnostics shall be accessed through a

pushbutton interface on the main circuit board. Airflow shall be field configurable

to be displayed as a velocity or a volumetric rate.

b. The transmitter shall be capable of:

1) Independently monitoring and averaging up to 16 individual airflow and

temperature readings.

2) Displaying the airflow and temperature readings of individual sensors on the

LCD display.

c. The transmitter shall have a power switch and operate on 24 VAC (isolation not

required). The transmitter shall use a switching power supply fused and protected

from transients and power surges.

d. All interconnecting pins, headers and connections on the main circuit board, option

cards and cable receptacles shall be gold plated.

e. The operating temperature range for the transmitter shall be -20° F to 120° F. The

transmitter shall be protected from weather and water.

f. The transmitter shall be capable of communicating with the BAS using one of the

following interface options:

1) Linear analog output signal: Field selectable, fuse protected and isolated, 0-

10VDC and 4-20mA (4-wire)

2) RS-485: Field selectable BACnet-MS/TP, ModBus-RTU and Johnson

Controls N2 Bus

3) Base-T Ethernet: Field selectable BACnet Ethernet, BACnet-IP, ModBus-

TCP and TCP/IP

4) LonWorks Free Topology

g. The transmitter shall have an infrared interface capable of downloading individual

sensor airflow and temperature data or uploading transmitter configuration data to

a handheld PDA (Palm or Microsoft Pocket PC operating systems).

h. The measuring device shall be UL listed as an entire assembly.

i. The manufacturer’s authorized representative shall review and approve placement

and operating airflow rates for each measurement location indicated. A written





report shall be submitted to the architect should any measurement location not

meet the manufacturer’s placement requirements.

12. Installation: Install in accordance with manufacturer’s instructions at locations indicated.

A written report shall be submitted to the architect if any discrepancies are found.

13. Adjusting: Duct and plenum devices shall not be adjusted without the Architect’s

approval.

2.8 FLOW METERS

A. Manufacturer: Onicon F-1210 or approved equal.

B. Provide complete hardware necessary to enable insertion and removal of the meter without

system shutdown.

1. The flow meter shall be hand-insertable up to 400 psi.

2. The flow meter shall have two contra-rotating axial turbines, with electronic impedance-

based sensing and an averaging circuit to reduce measurement errors due to swirl and

flow profile distortion.

3. Wetted metal components shall be 316L SS.

4. The flow meter shall be individually wet-calibrated against a primary volumetric standard

that is accurate to within 0.1% and traceable to NIST (National Institute of Standards and

Technology). The manufacturer’s certificate of calibration shall be provided with each

flow meter. Accuracy shall be within ± 0.5% of rate at the calibrated velocity, within ±

1% of rate over a 10:1 turndown (3.0 to 30 ft/s) and within ± 2% of rate over a 50:1

turndown (from 0.4 to 20 ft/s).

5. The flow meter shall include integral analog output(s), 4-20 mA, 0-10V, or 0-5V and be

field configured to output the 4-20 mA signal.

a. If the BAS system cannot directly monitor a 4-20mA input signal, the contractor

shall furnish a resistor at the BAS input to convert this 4-20mA signal to a voltage

input. If the BAS input supports a 0-10v input, use a precision 500Ω resistor.

6. The flow meter shall be covered by the manufacturer’s two year warranty.

7. Additional Components:

a. Provide the Optional Flow Display: Provide a D-1200 Series Display Module for

remote indication of flow rate and/or total.

b. Provide a legend plate indicating the units the display is showing (GPM) and the

system it serves (HW/CHW Loop).

c. Provide the Optional Installation Kit: This kit shall include:

1) 1” Full Port bronze ball valve

2) 1” Brass close nipple

3) 1” Weld-on carbon steel branch outlet

2.9 THERMOSTATS

A. Available Manufacturers:

1. Danfoss Inc.; Air-Conditioning and Refrigeration Div.

2. Heat-Timer Corporation.

3. Tekmar Control Systems, Inc.





B. Combination Thermostat and Fan Switches: Line-voltage thermostat with push-button or lever-

operated fan switch.

1. Label switches "FAN ON-OFF" or "FAN HIGH-LOW-OFF" or "FAN HIGH-MED-

LOW-OFF."

2. Mount on single electric switch box.

C. Electric, solid-state, microcomputer-based room thermostat with remote sensor.

1. Automatic switching from heating to cooling.

2. Preferential rate control to minimize overshoot and deviation from set point.

3. Set up for four separate temperatures per day.

4. Instant override of set point for continuous or timed period from 1 hour to 31 days.

5. Short-cycle protection.

6. Programming based on every day of week.

7. Selection features include degree F or degree C display, 12- or 24-hour clock, keyboard

disable, remote sensor, and fan on-auto.

8. Battery replacement without program loss.

9. Thermostat display features include the following:

a. Time of day.

b. Actual room temperature.

c. Programmed temperature.

d. Programmed time.

e. Duration of timed override.

f. Day of week.

g. System mode indications include "heating," "off," "fan auto," and "fan on."

D. Low-Voltage, On-Off Thermostats: NEMA DC 3, 24-V, bimetal-operated, mercury-switch

type, with adjustable or fixed anticipation heater, concealed set-point adjustment, 55 to 85 deg F

set-point range, and 2 deg F maximum differential.

E. Line-Voltage, On-Off Thermostats: Bimetal-actuated, open contact or bellows-actuated,

enclosed, snap-switch or equivalent solid-state type, with heat anticipator; listed for electrical

rating; with concealed set-point adjustment, 55 to 85 deg F set-point range, and 2 deg F

maximum differential.

1. Electric Heating Thermostats: Equip with off position on dial wired to break ungrounded

conductors.

2. Selector Switch: Integral, manual on-off-auto.

F. Remote-Bulb Thermostats: On-off or modulating type, liquid filled to compensate for changes

in ambient temperature; with copper capillary and bulb, unless otherwise indicated.

1. Bulbs in water lines with separate wells of same material as bulb.

2. Bulbs in air ducts with flanges and shields.

3. Averaging Elements: Copper tubing with either single- or multiple-unit elements,

extended to cover full width of duct or unit; adequately supported.

4. Scale settings and differential settings are clearly visible and adjustable from front of

instrument.

5. On-Off Thermostat: With precision snap switches and with electrical ratings required by

application.





6. Modulating Thermostats: Construct so complete potentiometer coil and wiper assembly

is removable for inspection or replacement without disturbing calibration of instrument.

G. Immersion Thermostat: Remote-bulb or bimetal rod-and-tube type, proportioning action with

adjustable throttling range and adjustable set point.

H. Airstream Thermostats: Two-pipe, fully proportional, single-temperature type; with adjustable

set point in middle of range, adjustable throttling range, plug-in test fitting or permanent

pressure gage, remote bulb, bimetal rod and tube, or averaging element.

I. Electric, Low-Limit Duct Thermostat: Snap-acting, single-pole, single-throw, manual- or

automatic- reset switch that trips if temperature sensed across any 12 inches of bulb length is

equal to or below set point.

1. Bulb Length: Minimum 20 feet.

2. Quantity: One thermostat for every 20 sq. ft. of coil surface.

J. Electric, High-Limit Duct Thermostat: Snap-acting, single-pole, single-throw, manual- or

automatic- reset switch that trips if temperature sensed across any 12 inches of bulb length is

equal to or above set point.

1. Bulb Length: Minimum 20 feet.

2. Quantity: One thermostat for every 20 sq. ft. of coil surface.

K. Heating/Cooling Valve-Top Thermostats: Proportional acting for proportional flow, with

molded-rubber diaphragm, remote-bulb liquid-filled element, direct and reverse acting at

minimum shutoff pressure of 25 psig, and cast housing with position indicator and adjusting

knob.

2.10 ACTUATORS

A. Electric Motors: Size to operate with sufficient reserve power to provide smooth modulating

action or two-position action.

1. Comply with requirements in Division 23 Section "Common Motor Requirements for

HVAC Equipment."

2. Permanent Split-Capacitor or Shaded-Pole Type: Gear trains completely oil immersed

and sealed. Equip spring-return motors with integral spiral-spring mechanism in

housings designed for easy removal for service or adjustment of limit switches, auxiliary

switches, or feedback potentiometer.

3. Nonspring-Return Motors for Valves Larger Than NPS 2-1/2: Size for running torque of

150 in. x lbf and breakaway torque of 300 in. x lbf.

4. Spring-Return Motors for Valves Larger Than NPS 2-1/2: Size for running and

breakaway torque of 150 in. x lbf.

5. Nonspring-Return Motors for Dampers Larger Than 25 Sq. Ft.: Size for running torque

of 150 in. x lbf and breakaway torque of 300 in. x lbf.

6. Spring-Return Motors for Dampers Larger Than 25 Sq. Ft.: Size for running and

breakaway torque of 150 in. x lbf.





B. Electronic Actuators: Direct-coupled type designed for minimum 60,000 full-stroke cycles at

rated torque.

1. Valves: Size for torque required for valve close off at maximum pump differential

pressure.

2. Dampers: Size for running torque calculated as follows:

a. Parallel-Blade Damper with Edge Seals: 7 inch-lb/sq. ft. of damper.

b. Opposed-Blade Damper with Edge Seals: 5 inch-lb/sq. ft. of damper.

c. Parallel-Blade Damper without Edge Seals: 4 inch-lb/sq. ft of damper.

d. Opposed-Blade Damper without Edge Seals: 3 inch-lb/sq. ft. of damper.

e. Dampers with 2- to 3-Inch wg of Pressure Drop or Face Velocities of 1000 to 2500

fpm: Increase running torque by 1.5.

f. Dampers with 3- to 4-Inch wg of Pressure Drop or Face Velocities of 2500 to 3000

fpm: Increase running torque by 2.0.

3. Coupling: V-bolt and V-shaped, toothed cradle.

4. Overload Protection: Electronic overload or digital rotation-sensing circuitry.

5. Fail-Safe Operation: Mechanical, spring-return mechanism. Provide external, manual

gear release on nonspring-return actuators.

6. Power Requirements (Modulating): Maximum 10 VA at 24-V ac or 8 W at 24-V dc.

7. Proportional Signal: 2- to 10-V dc or 4 to 20 mA, and 2- to 10-V dc position feedback

signal.

8. Temperature Rating: Minus 22 to plus 122 deg F.

9. Temperature Rating (Smoke Dampers): Minus 22 to plus 250 deg F.

2.11 CONTROL VALVES

A. Control Valves: Factory fabricated, of type, body material, and pressure class based on

maximum pressure and temperature rating of piping system, unless otherwise indicated.

B. Terminal Unit Control Valves: Bronze body, bronze trim, two or three ports as indicated,

replaceable plugs and seats, and union and threaded ends.

1. Rating: Class 125 for service at 125 psig and 250 deg F operating conditions.

2. Sizing: 3-psig maximum pressure drop at design flow rate, to close against pump shutoff

head.

3. Flow Characteristics: Two-way valves shall have equal percentage characteristics; three-

way valves shall have linear characteristics.

C. Self-Contained Control Valves: Bronze body, bronze trim, two or three ports as indicated,

replaceable plugs and seats, and union and threaded ends.

1. Rating: Class 125 for service at 125 psig and 250 deg F operating conditions.

2. Thermostatic Operator: Liquid-filled integral sensor with integral remote adjustable dial.

2.12 DAMPERS

A. Dampers: AMCA-rated, parallel or opposed-blade design; 0.108-inch- minimum thick,

galvanized-steel or 0.125-inch- minimum thick, extruded-aluminum frames with holes for duct

mounting; damper blades shall not be less than 0.064-inch- thick galvanized steel with

maximum blade width of 8 inches and length of 48 inches.





1. Secure blades to 1/2-inch- diameter, zinc-plated axles using zinc-plated hardware, with

oil-impregnated sintered bronze blade bearings, blade-linkage hardware of zinc-plated

steel and brass, ends sealed against spring-stainless-steel blade bearings, and thrust

bearings at each end of every blade.

2. Operating Temperature Range: From minus 40 to plus 200 deg F.

3. Edge Seals, Standard Pressure Applications: Closed-cell neoprene.

4. Edge Seals, Low-Leakage Applications: Use inflatable blade edging or replaceable

rubber blade seals and spring-loaded stainless-steel side seals, rated for leakage at less

than 10 cfm per sq. ft. of damper area, at differential pressure of 4-inch wg when damper

is held by torque of 50 in. x lbf; when tested according to AMCA 500D.

2.13 DAMPER END SWITCHES:

A. Limit switch with the following characteristics:

1. Industrial duty

2. Adjustable lever roller actuator.

3. One normally open contact and one normally closed contact.

2.14 SMOKE DETECTORS

A. Wiring from smoke detectors to fire alarm system shall be under Division 28.

B. Wiring from smoke detectors to mechanical equipment shall be under this Section.

C. Wiring from smoke detectors to mechanical equipment shall be under this Section.

2.15 LOW TEMPERATURE DETECTION STAT: By BAS manufacturer

2.16 CURRENT SENSING RELAYS: By controls contractor for all equipment.

2.17 MISCELLANEOUS RELAYS AND SWITCHES:

A. General: Where required by the sequence of operation switches, relays, and miscellaneous

devices necessary to accomplish the sequence shall be provided under this section.

PART 3 - EXECUTION

3.1 PROJECT MANAGEMENT

A. Provide a designated project manager who will be responsible for the following:

1. Construct and maintain project schedule

2. On-site coordination with all applicable trades and subcontractors

3. Authorized to accept and execute orders or instructions from owner/architect

4. Attend project meetings as necessary to avoid conflicts and delays

5. Make necessary field decisions relating to this scope of work





6. Coordination/Single point of contact.

3.2 EXAMINATION

A. Verify that power supply is available to control units and operator workstation.

B. Verify that duct-, pipe-, and equipment-mounted devices are installed before proceeding with

installation.

3.3 INSTALLATION

A. Install software in control units and operator workstation(s). Implement all features of

programs to specified requirements and as appropriate to sequence of operation.

B. Connect and configure equipment and software to achieve sequence of operation specified in

Section 23 section “Sequences of Control.”

C. Verify location of thermostats, humidistats, and other exposed control sensors with Drawings

and room details before installation. Install devices next to light switch(es) when space is

available with top of device at 48 inches above finished floor. Where space next to light

switch(es) is not available, align device vertically with light switch and locate device with top at

40 inches above the finished floor.

1. Install averaging elements in ducts and plenums in crossing or zigzag pattern.

D. Install automatic dampers according to Division 23 Section "Air Duct Accessories."

E. Install damper motors on outside of duct in warm areas, not in locations exposed to outdoor

temperatures.

F. Install labels and nameplates to identify control components according to Division 23 Section

"Identification for HVAC Piping and Equipment."

G. Install duct volume-control dampers according to Division 23 Sections specifying air ducts.

3.4 FIELD QUALITY CONTROL

A. Manufacturer's Field Service: Engage a factory-authorized service representative to

inspect, test, and adjust field-assembled components and equipment installation, including

connections, and to assist in field testing. Report results in writing.

B. Perform the following field tests and inspections and prepare test reports:

1. Operational Test: After electrical circuitry has been energized, start units to confirm

proper unit operation. Remove and replace malfunctioning units and retest.

2. Test and adjust controls and safeties.

3. Test calibration of electronic controllers by disconnecting input sensors and stimulating

operation with compatible signal generator.





4. Test each point through its full operating range to verify that safety and operating control

set points are as required.

5. Test each control loop to verify stable mode of operation and compliance with sequence

of operation. Adjust PID actions.

6. Test each system for compliance with sequence of operation.

7. Test software and hardware interlocks.

C. DDC Verification:

1. Verify that instruments are installed before calibration, testing, and loop or leak checks.

2. Check instruments for proper location and accessibility.

3. Check instrument installation for direction of flow, elevation, orientation, insertion depth,

and other applicable considerations.

4. Check instrument tubing for proper fittings, slope, material, and support.

5. Check flow instruments. Inspect tag number and line and bore size, and verify that inlet

side is identified and that meters are installed correctly.

6. Check pressure instruments, piping slope, installation of valve manifold, and self-

contained pressure regulators.

7. Check temperature instruments and material and length of sensing elements.

8. Check control valves. Verify that they are in correct direction.

9. Check DDC system as follows:

a. Verify that DDC controller power supply is from emergency power supply.

b. Verify that wires at control panels are tagged with their service designation and

approved tagging system.

c. Verify that spare I/O capacity has been provided.

d. Verify that DDC controllers are protected from power supply surges.

D. Replace damaged or malfunctioning controls and equipment and repeat testing procedures.

3.5 ADJUSTING

A. Calibrating and Adjusting:

1. Calibrate instruments.

2. Make three-point calibration test for both linearity and accuracy for each analog

instrument.

3. Calibrate equipment and procedures using manufacturer's written recommendations and

instruction manuals. Use test equipment with accuracy at least double that of instrument

being calibrated.

4. Control System Inputs and Outputs:

a. Check analog inputs at 0, 50, and 100 percent of span.

b. Check analog outputs using milliampere meter at 0, 50, and 100 percent output.

c. Check digital inputs using jumper wire.

d. Check digital outputs using ohmmeter to test for contact making or breaking.

e. Check resistance temperature inputs at 0, 50, and 100 percent of span using a

precision-resistant source.

5. Flow:





a. Set differential pressure flow transmitters for 0 and 100 percent values with 3-point

calibration accomplished at 50, 90, and 100 percent of span.

b. Manually operate flow switches to verify that they make or break contact.

6. Pressure:

a. Calibrate pressure transmitters at 0, 50, and 100 percent of span.

b. Calibrate pressure switches to make or break contacts, with adjustable differential

set at minimum.

7. Temperature:

a. Calibrate resistance temperature transmitters at 0, 50, and 100 percent of span

using a precision-resistance source.

b. Calibrate temperature switches to make or break contacts.

8. Stroke and adjust control valves and dampers without positioners, following the

manufacturer's recommended procedure, so that valve or damper is 100 percent open and

closed.

9. Stroke and adjust control valves and dampers with positioners, following manufacturer's

recommended procedure, so that valve and damper is 0, 50, and 100 percent closed.

10. Provide diagnostic and test instruments for calibration and adjustment of system.

11. Provide written description of procedures and equipment for calibrating each type of

instrument. Submit procedures review and approval before initiating startup procedures.

B. Adjust initial temperature and humidity set points.

C. Occupancy Adjustments: When requested within 12 months of date of Substantial Completion,

provide on-site assistance in adjusting system to suit actual occupied conditions. Provide up to

three visits to Project during other than normal occupancy hours for this purpose.





SEQUENCE OF OPERATION 230993 - 1

SECTION 230993 - SEQUENCE OF OPERATION

PART 1 - GENERAL


A. The drawings and general provisions of the Contract Documents apply to this Section.

1.2 SUMMARY

A. This Section includes control sequences for HVAC systems, subsystems, and equipment.

B. Related Sections include the following:

1. Division 23 Section "Building Automation System" for control equipment and devices

and for submittal requirements.

1.3 DEFINITIONS

A. BAS: Building Automation System

B. CO2: Carbon Dioxide

C. DDC: Direct-digital controls.

D. PPM: Parts per million.

E. RPM: Revolutions Per Minute.

F. VAV: Variable air volume.

G. VFD: Variable-Frequency Drive.

1.4 GENERAL REQUIREMENTS OF THIS SECTION

A. Control sequences shall be accomplished in accordance with control drawings and the

sequences specified in this section. It is the intent of this section to utilize sequences included

in pre-programmed controllers when such sequences provide the intended operation.

B. Points may not be deleted without prior approval from the Architect.

C. Every attempt has been made to indicate all required points on the control drawings.

Occasionally an additional point, or points, may be required to accomplish a specified sequence.

The contractor performing work under this section shall understand the work to be implied and

required by the contract documents. Additional hardware and software required shall be

provided under section “Building Automation System” at no additional cost to the owner.

1. Such points include:

a. Sensors of all types whether or not specified under section “Building Automation

System”





b. Flow measuring stations.

c. Wiring, conduit, and related devices such as relays.

2. Exceptions:

a. Equipment and devices covered under sections other than “Building Automation

System”.

1.5 DISPLAY GRAPHICS:

A. Include system schematic for each system. Indicate all points in system on at least one graphic.

B. Indicate all commanded values and temperatures.

C. Indicate all sensed temperatures.

D. Indicate all alarms.

E. Indicate all status points.

F. Indicate all monitored conditions.

1.6 WARRANTY

A. Provide all services, materials and equipment necessary for the successful operation of the

entire BAS system for a period of one year beginning on the date of substantial completion.

PART 2 - SEQUENCES

2.1 SETPOINTS: Unless indicated otherwise all setpoints shall be adjustable from the head end.

2.2 OCCUPIED / UNOCCUPIED

A. The BAS shall institute occupied and unoccupied control sequences based on a time-of-day

schedule furnished by the Owner.

B. The Owner shall have the capability to program holidays and special functions.

C. The owner shall have the ability to override occupied and unoccupied operation of each piece of

equipment from the head end.

2.3 OPTIMUM START:

A. The BAS shall institute optimum start strategies for morning warm up and cool down functions.

Equipment shall start early enough to restore occupied temperature set-points 30 minutes prior

to occupancy.

2.4 OUTSIDE AIR SENSORS:





A. Temperature: The BAS shall monitor outside air temperature as sensed by the outside air

temperature sensor.

B. Humidity: The BAS shall monitor outside air relative humidity as sensed by the outside air

humidity sensor.

2.5 OUTSIDE AIR UNITS (OAU-01 and OAU-02)

A. General: The Outside Air Units are equipped with a variable speed supply fan, variable speed

exhaust fan, enthalpy wheel, chilled water cooling coil, hot water heating coil, and a dessicant

sensible wheel. It provides dehumidified outdoor air to spaces.

B. Initial Set Points:

1. General:

a. Freezestat: 38F.

b. Minimum Cooling Coil Discharge Temperature: 50ºF (adjustable)

c. Initial Heating Coil Discharge Temperature: 70°F (adjustable)

2. Occupied:

a. Discharge Dew Point: 43°F 49°F (adjustable) (*AD-02)

b. Discharge Cooling Set Point: 70°F

c. Discharge Heating Set Point: 70F

d. Space Relative Humidity: 50% RH (adjustable)

3. Unoccupied:

a. Discharge Dew Point: 43°F 49°F (adjustable)

b. Discharge Cooling Set Point: 70°F

c. Discharge Heating Set Point: 70F

d. Space Relative Humidity: 60% RH (adjustable)

C. Enable/Disable:

1. Occupied Operation: During occupied hours, the unit shall be enabled, the supply and

exhaust fans shall be started, the enthalpy and desiccant sensible wheels shall start, and

dampers shall modulate in accordance with applicable sequences below.

2. Unoccupied Operation: During unoccupied hours, the unit shall be disabled, the supply

and exhaust fans shall be off, the wheels shall be off, return damper D-1 shall be open,

outdoor air damper D-2 shall be closed, exhaust damper D-3 shall be closed, the cooling

coil control valve shall be closed, the heating coil control valve shall be fully open, the

enthalpy wheel shall be off, and the desiccant sensible wheel shall be off.

a. Unoccupied Heating: Should the unoccupied space temperature fall below the

unoccupied heating space temperature set point, the unit shall be started in the

warm-up mode until the space temperature rises 5F above the unoccupied heating

space temperature set point. (*AD-02)

b. Unoccupied Cooling: Should the unoccupied space temperature rise above the

unoccupied cooling space temperature set point, the unit shall be started in the

cool-down mode until the space temperature falls 5F below the unoccupied

cooling space temperature set point. (*AD-02)

c. Unoccupied Humidity Control: If space humidity level (sensed by any of the

space humidity sensors) rises above the unoccupied space relative humidity set

point, the unit shall operate until the space relative humidity drops 5% RH below





the unoccupied space relative humidity set point. If space temperature falls below

the occupied heating space temperature set point, the heating coil control valve

shall modulate to maintain occupied heating set point.

3. Unoccupied Maintenance Operation: The unit shall operate the same as during occupied

operation without outside air.

4. Warm-up Operation: The BAS shall optimize the early start of the unit in warm-up mode

to reach the occupied space heating set point by the occupied time. During warm-up the

exhaust fan shall remain off, the supply fan shall be ramped up to 100%, the bypass

dampers shall be fully open, return damper D-1 shall be fully open, all the other dampers

shall be closed, and the heating coil control valve shall open fully.

5. Cool-down Operation: The BAS shall optimize the early start of the unit in cool-down

mode to reach the occupied space cooling set point by the occupied time. During cool-

down the exhaust fan shall remain off, the supply fan shall be ramped up to 100%, the

bypass dampers shall be fully open, the return damper D-1 shall be fully open, all the

other dampers shall be closed, and the cooling coil control valve shall open fully.

6. Supply Fan Failure: If the supply fan fails, the unit shall be disabled.

7. Exhaust Fan Failure: If the exhaust fan fails, the unit shall continue to operate with

outdoor air and exhaust air dampers closed and the exhaust fan off.

D. Startup: Start time shall be based on the BAS optimum start programming in accordance with a

predetermined schedule to be furnished by the Owner and programmed into the BAS. The

outside air damper shall remain closed while the unit operates in warm-up/cool-down mode to

restore occupied set points. At occupancy time, the BAS shall begin to modulate the outside air

damper in accordance with its sequence of control.

E. BAS Failure: In the event of a BAS failure, the chilled beam mixing valve will fail in the off

position. When the BAS comes back online, the startup sequence in paragraph 2.5D will occur

in order to bring the building back into normal operation. (*AD-02)

F. Supply Fan Control:

1. During unoccupied hours, the fan shall be deactivated. The fan shall be started as

required to control unoccupied set points.

2. During occupied hours, the BAS shall signal the supply fan to start. The supply fan shall

ramp up slowly to design airflow.

3. Drive Malfunction: Should the VFD malfunction as indicated by drive alarm circuit, an

alarm shall be sent to the head end. The fan shall continue to operate unless deactivated

by the VFDs protection circuitry. Fan Failure Alarm: Should the supply fan fail

(sensed by its current sensing relay), the unit shall be disabled, and an alarm shall

be sent to the head end identifying the unit and stating that the supply fan has

failed. (*AD-02)

G. Exhaust Fan Control:



2. During occupied hours, the BAS shall signal the exhaust fan to start. The exhaust fan

shall ramp up gradually to design airflow.

3. Drive Malfunction: Should the VFD malfunction as indicated by drive alarm circuit, an

alarm shall be sent to the head end. The fan shall continue to operate unless deactivated

by the VFDs protection circuitry. Fan Failure Alarm: Should the supply fan fail

(sensed by its current sensing relay), the unit shall be disabled, and an alarm shall





be sent to the head end identifying the unit and stating that the supply fan has

failed. (*AD-02)

H. Heating Coil Control Valve: In cooling mode, the BAS shall close the heating coil control

valve to prevent simultaneous cooling and heating. Heating coil operation shall only be

available during heating mode.

In heating mode, the heating coil control valve shall modulate to control discharge temperature

(as sensed by the temperature sensor downstream of the heating coil). On a fall in space

temperature to 2F below the occupied heating set point, the BAS shall modulate the heating

coil control valve open. The valve shall be fully open to the coil at 2F below set point. On a

rise to 1F above set point, the valve shall close.

I. Cooling Coil Control Valve: In heating mode, the cooling coil control valve shall be closed.

During cooling mode, the cooling coil control valve shall modulate to maintain the cooling coil

discharge temperature set point (as sensed by the temperature sensor downstream of the cooling

coil). On a rise in cooling coil discharge temperature above set point, the BAS shall modulate

the cooling coil control valve open. The valve shall be fully open at 2F above set point. On a

fall to 1F below set point, the valve shall close.

J. Enthalpy Wheel:

1. Occupied: On

2. Unoccupied: Off

3. Alarm: Should the enthalpy wheel motor fail (as sensed by its current sensing relay), an

alarm shall be sent to the head end identifying the unit and stating that the enthalpy wheel

motor has failed.

K. Enthalpy Wheel Exhaust Air Bypass Damper (D-4):

1. As cooling load drops, the cooling coil control valve shall modulate to maintain the

cooling coil discharge air at set point. Once the cooling coil control valve is closed,

bypass dampers shall modulate to control the mixed air temperature (as sensed by the

mixed air temperature sensor) at the cooling coil discharge temperature set point. At 3F

above the cooling coil discharge temperature set point, the damper shall be fully closed.

If the damper does not fully close (as sensed by the damper end switch), an alarm shall be

sent to the head end identifying the unit and stating that the bypass dampers have failed to

close.

L. Desiccant Wheel: Sensible Wheel: (*AD-02)

1. Occupied: On

2. Unoccupied: Off.

3. Alarm: Should the enthalpy wheel motor fail (as sensed by its current sensing relay), an

alarm shall be sent to the head end identifying the unit and stating that the enthalpy wheel

motor has failed.

M. Return Damper (D-1):

1. Unoccupied: Damper shall remain fully open. Damper end switch shall confirm the

damper fully open. If the damper fails to open, an alarm shall be sent to the head end

identifying the unit and stating that the return air damper D-1 failed to open.





2. Occupied: The BAS shall position the return damper D-1 to provide scheduled minimum

outdoor and return airflow (as determined during balancing).

N. Outdoor Air Damper (D-2):

1. Unoccupied: Damper shall remain closed. Damper end switch shall confirm the damper

closed. If damper fails to close, an alarm shall be sent to the head end identifying the unit

and stating that the outdoor damper failed to close.

2. Occupied: The BAS shall position the outside air damper to provide minimum outdoor

airflow (position determined during balancing).

O. Exhaust Air Damper (D-3)

1. Unoccupied: The BAS shall close the damper.

2. Occupied: The BAS shall open the damper. If damper fails to open, an alarm shall be

sent to the head end identifying the unit and stating that the exhaust damper failed to

open.

P. Freeze Protection:

1. If the cooling coil entering air temperature (as sensed by the freezestat upstream of the

cooling coil) falls to set point, the unit shall be disabled. The outdoor air damper (D-2)

and exhaust air damper (D-3) shall close. The cooling coil control valve shall close. The

heating coil control valve shall open fully and fail open. The freeze protection mode

shall be reset automatically by the BAS when the temperature reaches 5F above set

point.

Q. Life Safety: A smoke detector located in the return air duct shall, upon detection of products of

combustion, signal the building fire alarm system and shut down the fan. This function shall be

manually reset from the unit and shall be so identified on the head-end graphics. An alarm shall

also be provided to the BAS head-end.

R. System Safety: Whenever the supply fan is stopped or airflow ceases for any reason (as sensed

by the motor status sensing circuit), the supply and exhaust fans shall be deactivated, power to

the heating coil hot water control valve shall be removed and the valve shall position open. The

outdoor air dampers shall be closed. The exhaust damper shall be closed. The chilled water

valve shall be closed. In all modes of operation, commanded position values for all control

devices such as dampers and valves shall be readable from the head-end.





S. The BAS shall indicate the following points at the head end via the BACNET interface:

1. Monitoring points:

a. Operating Condition (Cooling, Heating, Dehumidification)

b. Mixed air relative humidity.

c. Mixed air temperature.

d. Outside air relative humidity.

e. Outside air temperature.

f. Return air relative humidity.

g. Return air temperature.

h. Supply air relative humidity.

i. Supply air temperature.

j. Wheel motor overload.

k. Rotation switch (once per revolution).

l. Exhaust air flow.

m. Enthalpy wheel overload.

n. Enthalpy wheel rotation sensor.

o. Supply air flow.

p. Smoke detector.

q. Panel switch (Hand/Off/Auto).

r. Exhaust fan overload.

s. Supply fan overload.

t. Chilled water control valve position.

u. Hot water control valve position.

2. Alarm Points:

a. Mixed air relative humidity sensor failure alarm.

b. Mixed air temperature sensor failure alarm.

c. Outside air relative humidity sensor failure alarm.

d. Outside air temperature sensor failure alarm.

e. Return air relative humidity sensor failure alarm.

f. Return air temperature sensor failure alarm.

g. Main Air flow alarm.

h. Exhaust air flow alarm.

i. Supply fan overload alarm.

j. Exhaust fan overload alarm.

k. Enthalpy wheel motor overload alarm.

l. Enthalpy wheel rotation alarm.

m. DH wheel motor overload alarm.

n. DH wheel rotation alarm.

o. Heat failure alarm.

2.6 CHILLED WATER PUMPS (P-01 THRU P-04)

A. General: The MAU Chilled Water (Primary) Pumps (P-01 & P-02) are variable speed with lead

pump designed for peak load conditions with the lag pump serving as 100% back-up. The

Chilled Beam Chilled Water Pumps (P-03 & P-04) are variable speed with lead pump designed

for peak load conditions with the lag pump serving as 100% back-up. Pumps will alternate in

the lead position monthly





B. Chilled Water Pump:

1. Lead Pump Start: BAS shall start the lead pump when the any chilled water control valve

opens.

2. Lead Pump Alarms:

a. Should the lead pump fail to start, as sensed by its current sensing relay, the lag

pump shall be started and an alarm shall be sent to the head end identifying the

pump and stating that it has failed to start.

b. Should the lead pump variable speed drive fail to operate properly, as indicated by

the drive alarm circuit, the lag pump shall be started and an alarm shall be sent to

the head end identifying the pump and stating that it’s drive has issued an alarm.

3. Lead Pump Stop: When there has been no call for cooling for 10 minutes (adjustable)

lead pump shall be stopped.

C. Hot Water Pump:

1. Lead Pump Start: BAS shall start the lead pump when the any chilled water control valve

opens.

2. Lead Pump Alarms:

a. Should the lead pump fail to start, as sensed by its current sensing relay, the lag

pump shall be started and an alarm shall be sent to the head end identifying the

pump and stating that it has failed to start.

b. Should the lead pump variable speed drive fail to operate properly, as indicated by

the drive alarm circuit, the lag pump shall be started and an alarm shall be sent to

the head end identifying the pump and stating that it’s drive has issued an alarm.

3. Lead Pump Stop: When there has been no call for cooling for 10 minutes (adjustable)

lead pump shall be stopped.

2.7 CHILLED WATER PLANT (*AD-02)

A. The BAS shall enable, disable, monitor supply water temperature, and provide supply

water temperature setpoint for chiller through a BACNET interface provided by the

chiller manufacturer. The chiller will operate under its own control once enabled.

1. Initial Supply Water Temperature Setpoint: 44F.

2. Initial Supply Water Temperature Maximum Setpoint: 54F

3. Chiller lead lag time period: Two weeks.

4. Pump duty standby time period: Two weeks.

B. Supply water temperature reset: Supply water temperature setpoint shall be based on return

water temperature to maintain return water temperature at 61F (adjustable).

C. Chiller Alarm: An alarm shall be sent to the head end upon the chiller going into alarm. The

leaving water temperature shall also be monitored and an alarm shall be sent if it is more than

3F (adjustable) from setpoint for more than 10 minutes (adjustable).

D. Chiller Enable: Upon call for start of lead Chilled Water Pumps, chiller shall be enabled.

E. Chiller Disable: When no piece of equipment has called for cooling water for more than 25

minutes (at a minimum, maintain 5 minute time difference between disabling chiller and lead

Chilled Water Pump, the BAS shall disable the chiller.





F. Chiller lead lag: Change chiller start order each time period.

G. Chilled water pump lead lag: There are two chilled water pumps. The BAS shall

alternate the two pumps in the duty standby positions.

H. Chilled water enable/disable: On a call for cooling by any piece of equipment, the chilled

water sequence shall be enabled. If there is no call for cooling by any piece of equipment

for more than 30 minutes, or the chilled water temperature falls to two degrees below set

point and there is no call for cooling by any equipment, the BAS shall disable the chiller

plant.

I. System Startup: On a rise in outdoor air temperature to 2°F above the chilled water

system deactivation temperature and on a call for cooling by any chilled water coil, the

chilled water system shall be started. The lead chiller isolation valve shall be opened, the

duty chilled water pump shall be started, and the lead chiller shall be enabled. The chiller

shall start and operate under its onboard controls.

J. Chiller Sequencing: As demand increases in the chilled water system to more than 90% of

the lead chiller capacity in terms of load or maximum flow (for more than 30 minutes

(adjustable)) the standby chiller shall be enabled. Prior to enabling the lag chiller, the

lead chiller shall be unloaded by resetting the leaving chilled water temperature up 2°F.

After the lag chiller has started and has been operating for 5 minutes (adjustable) the

chilled water temperature set point shall be returned to normal. As demand in the chilled

water system decreases to less than 60% of the lead chiller capacity in terms of load (for

more than 30 minutes (adjustable)), the lag chiller shall be disabled. The lead chiller will

continue to operate until it is shut down either manually or by the BAS. The BAS shall

have provisions to sense failure of any chiller or pump. Failure of any piece of equipment

shall result in immediate shut down of that equipment and associated equipment,

indication of an alarm, and the start of the next available chiller/pump combination in the

sequence. All failure alarms shall be reported to the head end and shall be manually reset.

The BAS manufacturer shall coordinate the method of chiller sequencing with the chiller

manufacturer and shall control the chillers to achieve optimum efficiency.

K. Chilled Water Temperature Reset: The chilled water temperature shall be maintained

such that a minimum of one chilled water valve is 85% open. If all chilled water valves

are less than 85% open the chilled water temperature shall be reset up 1 degree F. every

10 minutes until one valve reaches 85% open. Maximum chilled water temperature shall

be 10 degrees above chilled water temperature set point. If any valve reaches 95% open

the chilled water temperature shall be reset down 1 degree F. every 10 minutes until no

valve is more than 95 % open. Whenever there is a need for dehumidification the chilled

water temperature shall be returned to set point until dehumidification is no longer

required. When humidity levels are returned to set point the chilled water temperature

reset sequence shall resume and shall begin at the chilled water temperature set point.

L. Temperatures for chiller supply/return and building chilled water supply/return sensed by

temperature sensors shall be indicated on the BAS head end graphics along with all

available points available from the chiller control panel.

M. Control Points / Set points





1. Control Points

a. Chilled water request to start

b. Chilled water temperature: 54 degrees F.

c. Chilled water supply temperature

d. Chilled water return temperature

e. Chilled water pump 1 commanded position

f. Chilled water pump 2 commanded position

g. Chilled water pump 1 speed

h. Chilled water pump 2 speed

i. Chilled water pump on/off 1 status

j. Chilled water pump on/off 2 status

2.8 HOT WATER SYSTEM OPERATION (*AD-02)

A. Initial Set Points:

1. Heating hot water temperature: 180 degrees F.

2. Heating hot water deactivation time: 1 hour

B. The BAS shall enable the boiler control panel based on outside air temperature (less than

60°F adjustable), a call for heating, or a call for dehumidification.

C. The BAS shall start and stop the boilers and associated pumps based on demand in the hot

water loop. Start and stop functions shall be equipped with adjustable time delays to

prevent unnecessary starting and stopping of the equipment.

D. The BAS shall have provisions to sense failure of any boiler, pump. Failure of any piece of

equipment shall result in immediate shut down of that equipment and associated

equipment, indication of an alarm, and the start of the next available boiler/pump in the

sequence. All failure alarms shall be reported to the head end and shall be manually reset.

E. Boiler operation shall be enabled either manually or from the head end. Once enabled,

the lead boiler and lead hot water pumps shall be brought on line.

F. General: The intent of this sequence of operation is to provide a reliable hot water boiler

plant controls without excessively cycling the boilers and to prevent too cool of return

water temperatures to the inlet of boilers, as these boilers are non-condensing. The BAS

shall coordinate all sequences with the boiler manufacturer and follow their

recommendations to be coordinated into final programmed sequence.

G. System Startup: On a call for heat by any piece of equipment, the boiler shall be enabled

and shall operate under its onboard controls to maintain its outlet set point (180°F).

H. Boiler sequencing: As the hot water supply temperature falls below set point (5°F below

set point for 5 minutes) OR if the return water temperature falls below set point (142°F) as

sensed by the primary loop return line, the second boiler (lag boiler, B-1) shall be enabled,

where its primary pump shall be started just prior to the boiler firing and shall operate

under its onboard controls to maintain set point (180°F). Each boiler will utilize its

onboard controls to maintain each boiler’s set point, where both are set to 180°F. The





second boiler (lag boiler, B-1) shall be disabled when the return water temperature rises

10°F from the supply water setpoint (170°F), as sensed by the primary loop return line.

I. Heating hot water pump control: The pumps are constant speed with duty/standby

operation. Pumps will alternate in the duty position monthly to equalize run time. The

BAS shall start and stop the building loop hot water pump. Minimum pump run time

shall be 15 minutes.

J. System shutdown: Whenever there has been no call for heating for more than the heating

hot water deactivation time period, the heating hot water system shall be deactivated. The

boilers shall be stopped and after a 15 minute time delay and the hot water pumps shall be

stopped.

K. Control Points / Set points

1. Control Points

a. Heating Hot Water Temperature: 180 degrees F.

b. Heating hot water deactivation time period: 1 hour

c. Hot water supply temperature

d. Hot water return temperature

e. Hot water pump 1 commanded position

f. Hot water pump 2 commanded position

g. Hot water pump 1 speed

h. Hot water pump 2 speed

i. Hot water pump on/off 1 status

j. Hot water pump on/off 2 status

2.9 FAN COIL UNITS

A. Initial Setpoints:

1. Occupied:

a. Cooling Space Temperature: 75 F.

b. Heating Space Temperature: 70 F.

c. Relative Humidity: 50%

2. Unoccupied:

a. Cooling Space Temperature: 85 F.

b. Heating Space Temperature: 60 F.

c. Relative Humidity: 50% 60% (*AD-02)

B. Fan:

1. Occupied: The BAS shall operate the fan continuously.

2. Fan Fail: Should the fan fail to operate (as sensed by the current sensing relay), the BAS

shall send a stop command to the fan, close the outside air damper and send an alarm to

the head end identifying the fan coil unit by “Number” (FC-01) and stating its fan has

failed.

C. Space Temperature Control:





1. Dead Band: The temperature control program shall require a 5 dead band between

heating and cooling. When the operator attempts to input heating and cooling setpoints

within 5 of each other the operator shall be notified that a 5 dead band is required.

2. Cooling: The BAS shall modulate the cooling coil control valve as required to maintain

setpoint.

3. Heating: The BAS shall stage/modulate the hot water control valve as required to

maintain setpoint.

D. Drain Pan Overflow: A condensate overflow switch located in the overflow drain line shall

disable the fan coil unit. This shall stop the fan and close the control valves. The BAS shall

send an alarm to the head end identifying the fan coil unit by “Number” (FC-01), the “Room

Served” (As Assigned by the Owner or Architect during construction) and stating the unit drain

pan has overflowed.

E. Dehumidification Mode: During occupied or unoccupied operation when the relative

humidity (as sensed by the space relative humidity sensor) rises above set point, the unit

shall be placed in dehumidification mode. Cooling control valve shall modulate fully open

and hot water reheat coil should be modulated to maintain space temperature set point.

The unit shall remain in dehumidification mode until the relative humidity drops to 5%

RH below set point at which time the unit shall return to normal leaving air temperature

reset control. (*AD-02)

2.10 BOILERS AND BOILER PUMPS – B-1, B-2, B-3 (*AD-02)

A. Initial Set Points:

1. Heating hot water temperature: 180 degrees F.

2. Heating hot water deactivation time: 1 hour

B. The BAS shall enable the boiler control panel based on outside air temperature (less than

60°F adjustable), a call for heating, or a call for dehumidification.

C. The BAS shall start and stop the boilers and associated pumps based on demand in the hot

water loop. Start and stop functions shall be equipped with adjustable time delays to

prevent unnecessary starting and stopping of the equipment.

D. System Startup: On a call for heat by any piece of equipment, the boiler shall be enabled

and shall operate under its onboard controls to maintain its outlet set point (180°F).

E. Boiler hot water pump control: The pump is constant speed. The BAS shall start and stop

the boiler hot water pump. Minimum pump run time shall be 15 minutes.

F. System shutdown: Whenever there has been no call for heating for more than the heating

hot water deactivation time period, the heating hot water system shall be deactivated. The

boilers shall be stopped and after a 15 minute time delay and the hot water pumps shall be

stopped.





2.11 MULTI-ZONE SPLIT AIR HANDLING UNITS & RETURN FANS – AHU-1 & AHU-2

(*AD-02)

A. The air handling units are a split-air handling unit served by condensing units located on

the roof. The air handling unit is equipped with a supply fan, DX cooling coil, and hot

water heating coil serving two zones. A separate inline return fan is external to the unit.

B. Initial Setpoints:

1. Occupied:

a. Cooling Space Temperature: 75ºF.

b. Heating Space Temperature: 70ºF.

c. Cold Deck Leaving Air Temperature Cooling: 55F.

d. Cold Deck Leaving Air Temperature Heating: 65ºF.

e. Hot Deck Leaving Air Temperature Cooling: 80F.

f. Hot Deck Leaving Air Temperature Heating: 100ºF.

g. High Static Limit: 4” water column

h. Enthalpy High Limit: 28.0 BTU/lb

i. Outside Airflow: Refer to Equipment Schedule on Drawings.

2. Unoccupied:

a. Cooling Space Temperature: 80F.

b. Heating Space Temperature: 65ºF.

C. Enable/Disable:

1. Occupied Operation: During occupied hours the BAS will enable the unit. Once

enabled the supply and return fans shall be running, and the dampers shall

modulate in accordance with applicable sequences below.

2. Unoccupied: During unoccupied hours, the BAS will disable the unit. Once disabled

the supply and return fans shall be off, return air damper shall be open, outdoor air

damper shall be closed, and relief air damper shall be closed.

a. Unoccupied Heating: Should the space temperature fall below the

unoccupied heating space temperature setpoint, the unit shall be started in the

warm-up mode until the space temperature rises 5F above the unoccupied

heating space temperature setpoint.

b. Unoccupied Cooling: Should the space temperature rise above the

unoccupied cooling space temperature setpoint, the unit shall be started in the

cool-down mode until the space temperature falls 5F below the unoccupied

cooling space temperature setpoint.

c. Warm-up Operation: The BAS shall optimize the early start of the unit in

warm-up mode to reach the occupied space heating setpoint by the occupied

time. During warm-up the supply and return fans shall be ramped up to

100%, return damper shall be fully open, and all other dampers shall be

closed. Leaving air temperature shall be reset to its maximum setpoint.

d. Cool-down Operation: The BAS shall optimize the early start of the unit in

cool-down mode to reach the occupied space cooling setpoint by the occupied

time. During cool-down the supply and return fans shall be ramped up to





100%, the return damper shall be fully open, and all other dampers shall be

closed. Leaving air temperature shall be reset to its minimum setpoint.

D. Supply Fan Control:



2. During occupied hours, the BAS shall start the supply fan.

a. Fan Failure Alarm: Should the supply fan fail (sensed by its current sensing

relay), the unit shall be disabled, and an alarm shall be sent to the head end

identifying the unit and stating that the supply fan has failed.

E. Return Fan (Inline Fan External to Unit F-1 & F-2) Control:

1. During unoccupied hours, the fan shall be deactivated.

2. During occupied hours, the BAS shall start the return fan.

a. Fan Failure Alarm: Should the return fan fail (as sensed by its current

sensing relay), an alarm shall be sent to the head end identifying the unit and

stating that the relief fan has failed.

F. Heating / Cooling Mode:

1. Anytime the space temperature for any of the zones rises 1F (adjustable) above

cooling setpoint (as sensed by the temperature sensors in the zone) the BAS shall

place the unit in the cooling mode.

2. Anytime the space temperature for any of the zones drops 1F (adjustable) below

heating setpoint (as sensed by the temperature sensor in the zone) the BAS shall

place the unit in the heating mode.

G. Space Temperature (Zone Damper MZD-1 & MZD-2) Control:

1. The hot deck and cold deck zone dampers shall modulate in an inverse relationship

to control space temperature at cooling and heating setpoints. On a rise in space

temperature (as sensed by the temperature sensor in the zone), the BAS shall

modulate the zone dampers open to the cold deck and a proportional amount closed

to the hot deck to maintain set point. The dampers shall be fully open to the cold

deck and closed to the hot deck at 2 above the cooling set point. On a fall to 1

below the heating setpoint the dampers shall modulate closed to the cold deck and

fully open to the hot deck.

2. Zone Damper Check: Once each week the dampers shall be commanded fully open

to the cold deck and fully closed to the hot deck. The BAS shall confirm that the end

switches have operated. If the commanded position is not confirmed an alarm shall

be sent to the head end identifying the unit, and the zone, stating “Zone damper

MZD-# requires inspection”.

H. Cooling Mode: The condensing unit compressors should stage on as required to maintain

cold deck leaving air temperature at setpoint.

I. Hot Water Control Valve: The hot water control valve should modulate as required to

maintain hot deck leaving air temperature at setpoint.





J. Return Air Damper:

1. Unoccupied: Damper shall be fully open. The damper end switch shall confirm the

damper is open. If the damper fails to open, an alarm shall be sent to the head end

identifying the unit and stating that the return damper failed to open.

2. Occupied: The damper shall modulate to close inversely with the outdoor air

damper to maintain scheduled outdoor air (as sensed by the outdoor air flow

measuring station).

K. Outdoor Air Damper:

1. Unoccupied: Damper shall be fully closed. The damper end switch shall confirm the

damper is closed. If the damper fails to close, an alarm shall be sent to the head end

identifying the unit and stating that the outdoor damper failed to close.

2. Occupied: The damper shall modulate to open inversely with the return air damper

to maintain scheduled outdoor air (as sensed by the outdoor air flow measuring

station). If the damper fails bring in design outdoor air within +-10% after 5

minutes (adjustable), an alarm shall be sent to the head end identifying the unit and

stating that the unit is not providing design outdoor air.

L. Relief Air Damper:




2. Occupied: The damper shall be open. If damper fails to open (as sensed by the

damper position switch) an alarm shall be sent to the head end identifying the unit

and stating that the relief air damper failed to open.

M. Condensate Pan Overflow Prevention: BAS shall monitor float switches in auxiliary

condensate pan under the unit. If the float switch detects the pan is about to overflow and

has reached its high limit, the BAS shall disable the cooling and issue an alarm to the BAS.

N. Life Safety: Duct smoke detectors located in the return air duct, upon detection of

products of combustion from any detector, signal the building fire alarm system and shut

down the unit & supply fan. This function shall be manually reset from the unit and shall

be so identified on the head-end graphics. An alarm shall also be provided to the BAS

head-end.

O. System Safety: Whenever the supply fan is stopped or airflow ceases for any reason (as

sensed by its current sensing relay), the supply fan, relief fan, and compressor(s) shall be

deactivated. The outdoor air damper shall be positioned closed. The relief air damper

shall be positioned closed. In all modes of operation, commanded position values for all

control devices such as dampers and valves shall be readable from the head end.





2.12 SPLIT SYSTEM AIR HANDLING UNIT WITH HOT WATER HEAT – AHU-3

(*AD-02)

A. General: These units include a constant speed supply fan, single stage condensing unit for

cooling with hot water heating coil. It provides temperature control for a single zone.

B. Initial Set points

1. Occupied Mode:

a. Cooling: 75° F

b. Heating: 70° F

2. Unoccupied Mode:

a. Cooling: 85° F

b. Heating: 55° F

C. Enable/Disable:

1. Occupied Operation: During occupied hours, the unit shall be enabled and the

supply fan shall be started.

2. Unoccupied Operation: During unoccupied hours, the supply fan shall be cycled on

and off to maintain unoccupied set points.

3. Warm-up Operation: The BAS shall optimize the early start of the unit in warm-up

mode to reach occupied space heating set point by the occupied time.

4. Cool-down Operation: The BAS shall optimize the early start of the unit in cool-

down mode to reach the occupied space cooling set point by the occupied time.


1. During unoccupied hours, the fan shall be cycled as necessary to maintain set points.


E. Return Fan (Inline Fan External to Unit) Control:

1. During unoccupied hours, the fan shall be deactivated.

2. During occupied hours, the BAS shall start the return fan.

a. Fan Failure Alarm: Should the return fan fail (as sensed by its current

sensing relay), an alarm shall be sent to the head end identifying the unit and

stating that the relief fan has failed.

F. Cooling Control: If cooling is required, the DX coil shall stage on to maintain space

temperature set point.

G. Heating Control: If heating is required, the hot water control valve shall modulate open as

required to maintain space temperature set point.

H. Supply Air Temperature: The BAS shall monitor supply air temperature and shall display

the temperature on the head end.

I. Return Air Damper:










measuring station).

J. Outdoor Air Damper:









K. Relief Air Damper:




2. Occupied: The damper shall be open. If damper fails to open (as sensed by the

damper position switch) an alarm shall be sent to the head end identifying the unit

and stating that the relief air damper failed to open.

L. Condensate Pan Overflow Prevention: BAS shall monitor float switches in auxiliary



M. Life Safety: Duct smoke detectors located in the return air duct, upon detection of




head-end.

N. System Safety: Whenever the supply fan is stopped or airflow ceases for any reason (as

sensed by the motor status sensing circuit), the supply fan shall be deactivated and alarm

issued to BAS. In all modes of operation, commanded position values for all control

devices such as dampers shall be readable from the head-end.

2.13 SPLIT SYSTEM AIR CONDITIONER – AHU-A – ALTERNATE #1 ONLY (*AD-02)

A. General: These units include a constant speed supply fan, two-stage condensing unit for

cooling with existing hot water reheat coils downstream that will remain. It provides

temperature control for multiple zones.

B. Initial Set points

1. Occupied:

a. Minimum Leaving Air Temperature: 55F.

b. Maximum Leaving Air Temperature: 65ºF.





2. Unoccupied:

a. Minimum Leaving Air Temperature: 55F.

b. Maximum Leaving Air Temperature: 65ºF.

C. Enable/Disable:

1. Occupied Operation: During occupied hours, the unit shall be enabled and the

supply fan shall be started.

2. Unoccupied Operation: During unoccupied hours, the supply fan shall be cycled on

and off to maintain unoccupied set points.

3. Warm-up Operation: The BAS shall optimize the early start of the unit in warm-up

mode to reach occupied space heating set point by the occupied time.

4. Cool-down Operation: The BAS shall optimize the early start of the unit in cool-

down mode to reach the occupied space cooling set point by the occupied time.


1. During unoccupied hours, the fan shall be cycled as necessary to maintain set points.


E. Cooling Control: If cooling is required, the DX coil shall stage on to maintain space

temperature set point.

F. Supply Air Temperature: The BAS shall monitor supply air temperature and shall display

the temperature on the head end.

G. Return Air Damper:






measuring station).

H. Outdoor Air Damper:









I. Condensate Pan Overflow Prevention: BAS shall monitor float switches in auxiliary



J. Life Safety: Duct smoke detectors located in the return air duct, upon detection of








head-end.

K. System Safety: Whenever the supply fan is stopped or airflow ceases for any reason (as

sensed by the motor status sensing circuit), the supply fan shall be deactivated and alarm

issued to BAS. In all modes of operation, commanded position values for all control

devices such as dampers shall be readable from the head-end.

2.14 EXHAUST FANS – CONTROL METHOD BAS SCHEDULE (F-3) (*AD-02)

A. General: These are general duty fans that operate on a time-of-day schedule. Refer to the

Fan Schedule for fan information.

B. Occupied/Unoccupied:

1. Unoccupied Operation: During unoccupied hours, the fan shall be off and the

damper shall be closed.

2. Occupied Operation: During occupied hours, the fan shall be on and the damper

shall be open.

C. Start:

1. At the start of occupied operation, the BAS shall open the motorized damper

associated with the fan. Once the damper is confirmed open, the BAS shall start

the fan. If the damper is interlocked with fan operation, then the BAS shall start

the fan.

D. Stop:

1. At the beginning of unoccupied operation, the BAS shall stop the fan and close the

associated damper (or just stop the fan if the damper is interlocked).

E. Fan failure alarm:

1. If the fan fails to start (as sensed by its current sensing relay), an alarm shall be

sent to the head end identifying the fan and stating that is has failed to start.

PART 3 - EXECUTION (Not Applicable)





OUTDOOR AIR UNITS – ADDENDUM NO. 2 237333 - 1

SECTION 237333 – OUTDOOR AIR UNITS (*AD-02)

PART 1 - GENERAL



1.2 SUMMARY

A. Section Includes:

1. Constant air volume, rooftop outdoor air units with sensible and total energy recovery

wheels.

1.3 SUBMITTALS

A. Pre-Submittal Meeting: A representative of the manufacturer producing equipment provided

under this Section of the specifications shall attend a meeting for coordinating with the

contractor performing work under section “Building Automation System.” The Contractor shall

arrange the meeting. Submittals shall be essentially complete and a pre-submittal shall be

provided one week prior to the meeting.

B. Product Data: For each outdoor air unit, include manufacturer's technical data for each model

indicated, including rated capacities, dimensions, required clearances, characteristics, furnished

specialties, fan performance curves, coil capacities, filters and accessories.

C. Shop Drawings:

1. Detail equipment assemblies, include:

a. Internal components

b. Dimensions

c. Weights

d. Loads

e. Supports

f. Required clearances.

2. Provide method of field assembly.

3. Indicate:

a. Components

b. Location

c. size of each field connection

4. Provide Wiring Diagrams for:

a. Power

b. Control





5. For AHU Support comply with performance requirements and design criteria, including

analysis data signed and sealed by the qualified professional engineer responsible for

support selection.

a. Calculations: Calculate requirements for selecting vibration isolation, seismic

restraint where required, and for vibration isolation.

b. Detail mounting, securing, and flashing of roof curb to roof structure. Indicate

coordinating requirements with roof membrane system.

c. Restraint: Detail fabrication and attachment of restraints. Indicate anchorage

details, quantity, diameter, and connections.

D. Coordination Drawings: Floor plans and other details, drawn to scale, on which the following

items are shown and coordinated with each other, using input from installers of the items

involved:

1. Mechanical-room layout and areas indicated on “M” drawings at ¼”=1’-0” or greater.

2. Areas where

3. Relationships between components and adjacent structural and mechanical elements.

4. Support location, type, and weight.

5. Field measurements.

E. Field quality-control reports.

F. Operation and Maintenance Data: For outdoor air units to include in emergency, operation, and

maintenance manuals.


A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,

by a qualified testing agency, and marked for intended location and application.

B. NFPA Compliance: Comply with NFPA 90A for design, fabrication, and installation of

outdoor air units and components.

C. Comply with NFPA 70.

1.5 COORDINATION

A. Coordinate sizes and locations of structural-steel support members, if any, with actual

equipment provided.

B. Coordinate sizes and locations of Housekeeping Pads with actual equipment provided.

1.6 EXTRA MATERIALS

A. Furnish extra materials that match products installed and that are packaged with protective

covering for storage and identified with labels describing contents.

1. Filters: One set for each outdoor air unit.





2. Fan Belts: One set for each outdoor air unit fan.

3. Wheel Belts: One set for each enthalpy wheel and desiccant wheel.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the

following:

1. Munters Corporation

2. Innovent.

3. Semco

4. Venmar.

2.2 OUTDOOR AIR UNITS

A. General Descriptions: Outdoor air units are air handlers that provide dehumidified outdoor air

to the spaces. Units shall be factory-assembled and –tested; designed for interior installation;

consisting of supply fan, exhaust fan, constant speed enthalpy wheel, pre-filters, final filters,

hydronic heating and cooling coils, sensible wheel, and dampers.

B. Unit Dimensions: Provide units with the overall dimensions as indicated on the drawings.

Supply and return ductwork connections shall have the indicated dimensions and locations

within the unit. Provide units with the same layout of components as indicated.

C. Casings: Manufacturer’s standard double-wall galvanized sheet metal construction with

standard paint finish, galvanized inner lining and floor, removable panels and access doors with

neoprene gaskets for inspection and access to internal parts, minimum thermal insulation R-

value of 12, knockouts for electrical and piping connections, exterior condensate drain

connection, and lifting lugs. Stainless steel condensate drain pans shall slope in two planes to

collect condensate from cooling coils (including coil piping connections, coil headers and return

bends, and a minimum of 6 inches downstream from cooling-coil face) in accordance with

ASHRAE Standard 62.

D. Outdoor air-Unit Mounting Frame: Formed galvanized-steel channel or structural channel

supports, designed for low deflection, welded with integral lifting lugs.

E. Access Doors: Access doors shall be constructed with double-wall insulated panels of same

material and thickness as casing. Door gasketing shall be mounted to the perimeter of the door

and shall seal against a raised door frame. Door frame shall channel water away from gasket.

Access door hinges shall include a minimum of two ball-bearing hinges and two wedge-lever-

type latches, operable from inside and outside. Arrange doors to be opened against air-pressure

differential.

F. Service Light: Factory-mounted, 120-volt, 70-watt vapor-proof fixture in each section accessed

with door, with switched junction box located outside adjacent to door.





G. Fan and Drive Assemblies: Fan and drive shall be statically and dynamically balanced and

designed for continuous operation up to the maximum-rated fan speed and motor horsepower.

1. Shafts: Designed for continuous operation at maximum-rated fan speed and motor

horsepower, and with field-adjustable alignment.

a. Turned, ground, and polished hot-rolled steel with keyway. Ship with a protective

coating of lubricating oil.

b. Designed to operate at no more than 70 percent of the first critical speed at the top

of the fan's speed range.

H. Fan Housings: Formed and reinforced galvanized steel panels to form curved scroll housing

with shaped cutoff and spun-metal inlet bell.

1. Bracing: Galvanized steel angle or channel supports for mounting and supporting fan

scroll, wheel, motor, and accessories.

2. Horizontal-Flanged, Split Housing: Bolted construction.

3. Housing Attachment: Attach housing to fan-section casing with metal-edged flexible

duct connector.

I. Fan Shaft Bearings: Pre-lubricated, self-aligning bearings with an L-50 life of 200,000 hours.

J. Internal Vibration Isolation: Fans shall be factory mounted with manufacturer's standard

vibration isolation mounting devices having a minimum static deflection of 2 inch.

K. Motors: General requirements for motors are specified in Division 23 Section "Motors for

HVAC Equipment." Provide minimum motor size as indicated; if not indicated, large enough

so driven load will not require motor to operate in service factor range above 1.0. Electrical

devices and wiring are specified in Division 26 Sections.

L. Hydronic Heating and Cooling Coils: Aluminum-plate fin and seamless copper tube in steel

casing with equalizing-type vertical distributor with copper or cast iron headers. Comply with

ARI 410. Fabricate coil section to allow removal and replacement of coil for maintenance and

to allow in-place access for service and maintenance of coil(s).

M. Air Filtration:

1. Required sections: Provide filter sections indicated. If not otherwise indicated provide

MERV 8 (30% efficient) 2” thick disposable pre-filters with MERV 13 (85% efficient)

4” thick final-filters.

2. Position: Final-filter shall be downstream of pre-filter

3. Filter Gage: For final filters, provide 3-1/2-inch diameter, diaphragm-actuated dial in

metal case with black figures on white background, front recalibration adjustment, 3

percent of full-scale accuracy, a 0- to 3.0-inch wg range.

N. Dampers:

1. General Requirements for Dampers: Leakage rate, according to AMCA 500, "Laboratory

Methods for Testing Dampers for Rating," shall not exceed 2% of air quantity at 2000

FPM face velocity through damper and 4” WG pressure differential.

2. Dampers shall be as large as possible within unit to maximize face area and minimize air

velocity.





3. Damper Operators: Electric specified in "Building Automation System”.

4. Outdoor Air Damper: Opposed-blade, galvanized-steel dampers mechanically fastened to

steel operating rod in reinforced cabinet.

5. Exhaust Air Damper: Opposed-blade, galvanized-steel dampers mechanically fastened to

steel operating rod in reinforced cabinet.

O. Enthalpy Wheel: Units with energy recovery shall include a horizontal, rotary enthalpy wheel

with the performance and pressure drop as scheduled.

1. The rotor shall be constructed of corrugated synthetic media providing individual flutes

to channel airflow and minimize cross contamination. Rated performance shall be

maintained under all differential pressure conditions. The desiccant shall be intimately

bound and uniformly and permanently dispersed throughout the matrix structure of the

media. Media shall be non-metallic to provide corrosion resistance against attack from

office, laboratory chemicals, etc. ---OR--- The rotor shall be made of aluminum coated to

prohibit corrosion; etched or oxidized surfaces are not acceptable. All surfaces must be

coated with a non-migrating adsorbent layer prior to being formed into the honeycomb

media structure to insure that all surfaces are coated and that adequate latent capacity is

provided. The desiccant must be specifically designed for the adsorption of water vapor.

Verification in writing must be presented from the desiccant manufacturer confirming

that the internal pore diameter distribution inherent in the desiccant being provided limits

adsorption to materials not larger than the critical diameter of a water molecule (2.8

angstroms).

2. The rotor shall provide equal sensible and latent recovery efficiencies. This must be

clearly documented through a certification program conducted in accordance with

ASHRAE 87-78P and ARI 1060 standards. The certification must have been conducted

by a qualified independent organization. Independent wheel testing to document that the

desiccant material utilized does not transfer pollutants typically encountered in the indoor

air environment shall be provided from a credible test laboratory.

3. The wheel manufacturer must have been producing the wheel product for a minimum of

five years and must provide references with a successful operating history of at least four

years.

4. Ribbon-type, heat exchangers that cannot control cross contamination at all differential

pressures are not acceptable.

5. Unless otherwise specified rotors with desiccants applied as a coating, bonded, or

synthesized onto the media are not acceptable due to the potential for de-lamination and

erosion of the desiccant material.

6. The desiccant material shall be a molecular sieve with pore diameters ranging from 3A to

4A or silica gel.

7. Wheels shall be able to withstand air stream temperatures in excess of 200°F with no

deterioration of the matrix.

8. Wheels shall be cleanable by vacuuming, blowing with compressed air (20 PSIG max.),

low temperature steam, hot water, or light detergent, without degradation of latent

recovery capacity.

9. The wheel frames shall consist of evenly spaced galvanized steel spokes, aluminum outer

band, and rigid center hub.

10. The wheel construction shall allow for post fabrication wheel alignment.

11. The wheel seals shall be neoprene non-contact bulb seals and shall be easily adjustable.

12. Cassettes shall be fabricated of heavy-duty reinforced 16 gauge galvanized steel.

13. Bearings shall be inboard, zero maintenance, permanently sealed roller bearings.





14. Drive systems shall be an AC drive motor with urethane drive belts.

15. Heat exchangers shall be tested in accordance with ARI Standard 1060 and ASHRAE

Standard 84-1991.

P. Accessories: One 120-volt ground-fault circuit interrupter type service outlet.

2.3 SOURCE QUALITY CONTROL

A. Fan Sound-Power Level Ratings: Comply with AMCA 301, "Methods for Calculating Fan

Sound Ratings from Laboratory Test Data." Test fans according to AMCA 300, "Reverberant

Room Method for Sound Testing of Fans." Fans shall bear AMCA-certified sound ratings seal.

B. Fan Performance Rating: Factory test fan performance for airflow, pressure, power, air density,

rotation speed, and efficiency. Rate performance according to AMCA 210, "Laboratory

Methods of Testing Fans for Aerodynamic Performance Rating."

C. Water Coils: Factory tested to 300 psig according to ARI 410 and ASHRAE 33.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas and conditions, with Installer present, for compliance with requirements for

installation tolerances and other conditions affecting performance of the Work.

B. Examine casing insulation materials and filter media before outdoor air unit installation. Reject

insulation materials and filter media that are wet, moisture damaged, or mold damaged.

C. Examine roughing-in for hydronic and condensate drainage piping systems and electrical

services to verify actual locations of connections before installation.

D. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. Floor Mounted Units: Install air-handling units on housekeeping pads without vibration

isolation devices. Secure units as indicated or required by unit manufacturer. When securing is

indicated or required secure to anchor bolts installed in housekeeping pad.

B. Arrange installation of units to provide access space around outdoor air units for service and

maintenance.

C. Do not operate fan system until filters (temporary or permanent) are in place. Replace

temporary filters used during construction and testing, with new, clean filters.





D. Install filter-gage, static-pressure taps upstream and downstream of filters. Mount filter gages

on outside of filter housing or filter plenum in accessible position. Provide filter gages on filter

banks, installed with separate static-pressure taps upstream and downstream of filters.

3.3 CONNECTIONS

A. Comply with requirements for piping specified in other Division 23 Sections. Drawings

indicate general arrangement of piping, fittings, and specialties.

B. Install piping adjacent to outdoor air unit to allow service and maintenance.

C. Connect piping to outdoor air units mounted on vibration isolators with flexible connectors.

D. Connect condensate drain pans using ASTM B 88, Type M copper tubing. Extend to nearest

roof drain. Construct deep trap at connection to drain pan and install cleanouts at changes in

direction.

E. Hot- and Chilled-Water Piping: Comply with applicable requirements in Division 23 Section

"Hydronic Piping." Install shutoff valve and union or flange at each coil supply connection.

Install balancing valve and union or flange at each coil return connection.

F. Connect duct to outdoor air units with flexible connections. Comply with requirements in

Division 23 Section "Air Duct Accessories."


A. Perform tests and inspections.

1. Manufacturer's Field Service: Engage a factory-authorized service representative to

inspect components, assemblies, and equipment installations, including connections, and

to assist in testing.

B. Tests and Inspections:

1. Leak Test: After installation, fill water coils with water and test coils and connections for

leaks.

2. Fan Operational Test: After electrical circuitry has been energized, start units to confirm

proper motor rotation and unit operation.

3. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and

equipment.

C. Outdoor air unit or components will be considered defective if unit or components do not pass

tests and inspections.

D. Prepare test and inspection reports.





3.5 STARTUP SERVICE

A. Engage a factory-authorized service representative to perform startup service.

1. Complete installation and startup checks according to manufacturer's written instructions.

2. Verify that shipping, blocking, and bracing are removed.

3. Verify that unit is secure on mountings and supporting devices and that connections to

piping, ducts, and electrical systems are complete. Verify that proper thermal-overload

protection is installed in motors, controllers, and switches.

4. Verify proper motor rotation direction, free fan wheel rotation, and smooth bearing

operations. Reconnect fan drive system, align belts, and install belt guards.

5. Verify that bearings, pulleys, belts, and other moving parts are lubricated with factory-

recommended lubricants.

6. Verify that outdoor- and return-air mixing dampers open and close, and maintain

minimum outdoor-air setting.

7. Comb coil fins for parallel orientation.

8. Verify that proper thermal-overload protection is installed for electric coils.

9. Install new, clean filters.

B. Starting procedures for outdoor air units include the following:

1. Energize motor; verify proper operation of motor, drive system, and fan wheel. Adjust

fan to indicated rpm.

3.6 ADJUSTING

A. Adjust damper linkages for proper damper operation.

B. Comply with requirements in Division 23 Section "Testing, Adjusting, and Balancing for

HVAC" for outdoor air system testing, adjusting, and balancing.

3.7 CLEANING

A. After startup service, clean outdoor air units internally on completion of installation, according

to manufacturer's written instructions. Clean fan interiors to remove foreign material and

construction dirt and dust. Vacuum clean fan wheels, cabinets, and coils entering air face.

B. After completing system installation and testing, adjusting, and balancing outdoor air unit and

air-distribution systems, clean filter housings and install new, clean filters.

3.8 DEMONSTRATION

A. Engage a factory-authorized service representative to train Owner's maintenance personnel to

adjust, operate, and maintain outdoor air units.





SPLIT-SYSTEM AIR-CONDITIONERS 238126 - 1

SECTION 238126 - SPLIT-SYSTEM AIR-CONDITIONERS

PART 1 - GENERAL



1.2 SUMMARY

A. This Section includes the following:

1. Ductless mini-split air-conditioning units consisting of a separate evaporator-fan and

compressor-condenser units.

2. Ducted split system air conditioning units consisting of a separate evaporator-fan and

compressor-condenser units. Units shall be located above ceiling.

1.3 DEFINITIONS

A. Evaporator-Fan Unit: The part of the split-system air-conditioning unit that contains a coil for

cooling (heat rejection for heating operation in heat pump units) and a fan to circulate air to

conditioned space.

B. Compressor-Condenser Unit: The part of the split-system air-conditioning unit that contains a

refrigerant compressor and a coil for condensing refrigerant (evaporator for heating operation in

heat pump units).

1.4 SUBMITTALS

A. Product Data: Include rated capacities, furnished specialties, and accessories for each type of

product indicated. Include performance data in terms of capacities, outlet velocities, static

pressures, sound power characteristics, motor requirements, and electrical characteristics.

B. Shop Drawings: Diagram power, signal, and control wiring.

C. Operation and Maintenance Data: For split-system air-conditioning units to include in

emergency, operation, and maintenance manuals.

D. Warranty: Special warranty specified in this Section.


A. Product Options: Drawings indicate size, profiles, and dimensional requirements of split-

system units and are based on the specific system indicated. Refer to Division 01 Section

"Product Requirements."





B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,

Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for

intended use.

C. Energy-Efficiency Ratio: Equal to or greater than prescribed by ASHRAE 90.1-2007, "Energy

Efficient Design of New Buildings except Low-Rise Residential Buildings."

D. Units shall be designed to operate with HCFC-free refrigerants.

1.6 COORDINATION

A. Coordinate size, location, and connection details with roof curbs, equipment supports, and roof

penetrations specified in Division 07 Section "Roof Accessories."

1.7 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or

replace components of split-system air-conditioning units that fail in materials or workmanship

within specified warranty period.

1. Warranty Period: Five years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 REGISTER OF DEEDS – SPLIT AIR-HANDLING UNITS (SSI-1,2,3,4 & SSO-1,2,3,4)


following:

1. Lennox Industries Inc.

2. Trane.

3. York.

B. General Description:

1. Indoor air handling unit shall be factory-assembled and -tested; designed for constant

volume operation and interior vertical flow installation; consisting of unit supply fan,

evaporator coil, electric reheat coil, filters, control devices and accessories.

C. Evaporator-Fan Components

1. Chassis: Galvanized steel with flanged edges, removable panels for servicing, and

insulation on back of panel.

a. Insulation: Faced, glass-fiber duct liner or manufacturer’s standard insulation that

prevents erosion into air stream.

b. Drain Pans: Stainless steel, plastic, or fiberglass with connection for drain; insulated

and double sloped to drain.

2. Refrigerant Coil: Copper tube, with mechanically bonded aluminum fins, complying with

ARI 210/240, and with thermal-expansion valve.





a. Provide dual circuit for AHU-1.

3. Electric Coil: Helical, nickel-chrome, resistance-wire heating elements with refractory

ceramic support bushings; automatic-reset thermal cutout; built-in magnetic contactors;

manual-reset thermal cutout; airflow proving device; and one-time fuses in terminal box

for overcurrent protection.

4. Fan: Forward-curved, double-width wheel of galvanized steel; directly connected to motor

and statically and dynamically balanced.

5. Fan Motor: Refer to section “Motors”

6. Airstream Surfaces: Surfaces in contact with the airstream shall comply with requirements

in ASHRAE 62.1-2010.

7. Filters: 2” thick MERV-13 filters with access from side coil panels.

8. Wiring Terminations: Connect motor to chassis wiring with plug connection.

9. Power Wiring: Provide single point power connection control box for electric heat and

fan.

D. Air-Cooled, Compressor-Condenser Components

1. Casing: Steel, finished with baked enamel, with removable panels for access to controls,

weep holes for water drainage, and mounting holes in base. Provide brass service valves,

fittings, and gage ports on exterior of casing.

2. Compressor: Hermetically sealed with crankcase heater and mounted on vibration

isolation. Compressor motor shall have thermal- and current-sensitive overload devices,

start capacitor, relay, and contactor.

a. Compressor Type: Scroll.

b. Refrigerant Charge: R-410A.


ARI 210/240, and with liquid subcooler.

4. Heat-Pump Components: Reversing valve and low-temperature air cutoff thermostat.

5. Fan: Aluminum-propeller type, directly connected to motor.

6. Motor: Permanently lubricated, with integral thermal-overload protection.

7. Low Ambient Kit: Permits operation down to 35 deg F.

8. Factory installed liquid line filter drier complying with ARI 730.

E. Basic Unit Controls:

1. Control voltage transformer.

2. Initial Setpoints:

a. Cooling:

1) Occupied: 75 F.

2) Unoccupied: 80 F.

b. Heating:

1) Occupied: 70 F.

2) Unoccupied: 65 F.

3. Solid-State, Combination Thermostat and Humidistat: Wall-mounting, programmable,

microprocessor-based unit with automatic switching from heating to cooling and

humidifying to dehumidifying, preferential rate control, seven-day programmability with

minimum of four temperature presets per day, and battery backup protection against power

failure for program settings.

a. Heat-cool-off switch.





b. Fan on-auto switch.

c. Fan-speed switch.

d. Automatic changeover.

e. Adjustable deadband.

f. Exposed set point.

g. Exposed indication.

h. Degree F indication.

4. Unoccupied-period-override push button.

5. Data entry and access port.

a. Input data includes room temperature set points and occupied and unoccupied

periods.

b. Output data includes room temperature, supply-air temperature, entering-water

temperature, operating mode, and status.

2.2 REGISTER OF DEEDS – DUCTLESS MINI-SPLIT AIR-CONDITIONING UNIT (DSS-

1A/1B)


following:

1. Lennox Industries Inc.

2. Mitsubishi Electronics America, Inc.; HVAC Division. (Basis of Design)

3. Sanyo Fisher (U.S.A.) Corp.

4. Trane Company (The); Unitary Products Group.

5. Carrier Corporation.

B. Wall-mounting, Evaporator-Fan Components

1. Cabinet: Enameled steel with removable panels on front and ends in color selected by

Architect, and discharge drain pans with drain connection.


ARI 210/240, and with thermal-expansion valve.

3. Fan: Direct drive, centrifugal fan.

4. Fan Motors: Comply with requirements in Division 23 Section "Motors for HVAC

Equipment."

a. Special Motor Features: Multitapped, multispeed with internal thermal protection

and permanent lubrication.

5. Filters: Permanent, cleanable.

C. Air-cooled, Compressor-Condenser Units

1. General: Outdoor unit shall be the same capacity as the indoor unit and include a control

board that interfaces with the indoor unit to perform all necessary operation functions.

Outdoor unit shall be capable of operating at 0˚F ambient temperature without additional

low ambient controls. Outdoor unit shall be able to operate with a maximum height

difference of 100 feet from indoor unit to outdoor unit and a maximum refrigerant tubing

length of 165 feet between the indoor and outdoor unit without the need for line size

changes, traps, or additional oil

2. Casing: Casing shall be galvanized steel plate coated with an electrostatically applied

thermally fused acrylic or polyester powder coating. The fan grille shall be ABS plastic.





3. Compressor: The compressor shall be a DC rotary compressor with variable compressor

speed inverter technology. The compressor shall be driven by inverter circuitry to control

compressor speed. Compressor speed shall be varied to match space load. Outdoor unit

shall include an accumulator and high pressure safety switch. The compressor shall be

mounted to avoid the transmission of vibration.

4. Refrigerant Coil: Condenser coil shall be copper tubing with aluminum fins. The coil shall

be protected with an integral metal guard. Refrigerant flow from the condenser shall be

controlled by means of linear expansion valve (LEV) metering orifice. The LEV shall be

controlled by a microprocessor-controlled step motor.

5. Fan: The fan motor bearings shall be permanently lubricated. The fan shall have horizontal

discharge airflow. The fan shall be mounted in front of the coil. The fan shall include a

raised guard to prevent contact with moving parts.


7. Low Ambient Kit and Wind Baffle: Permits operation down to 0 deg F.

D. Controls:

1. Unit shall operate under manufacturer’s control of cooling operation and maintain required

safeties.

2. The control system shall be microprocessor-based and include one microprocessor on the

outdoor unit and one on the indoor unit. Wall-mounted controller shall a have a liquid

crystal display indicating operating status and alarm condition and shall include a

temperature sensor. A membrane keypad shall be included for program control and set

point adjustment.

3. The controller shall consist of On/Off button, increase/decrease set temperature buttons, a

cool/dry/fan mode selector, timer menu button, timer on/off button, set time buttons, fan

speed selector, vane position selector, a ventilation button, a test run button, and a check

mode button.

4. The controller shall display operating conditions such as set temperature, room

temperature, pipe temperatures (i.e. liquid, discharge, indoor and outdoor), compressor

operating conditions (including running current, frequency, input voltage, On/Off status

and operating time), LEV opening pulses, sub-cooling and discharge super heat.

5. Normal operation of the controller shall provide individual system control in which one

controller and one indoor unit are installed in the same room.

6. The control voltage from the controller to the indoor unit shall be 12 volts, DC. The

control signal between the indoor and outdoor unit shall be pulse signal 24 volts DC. Up

to two wired controllers shall be able to be used to control one unit.

7. Control system shall control the continued operation of the air sweep louvers, as well as

provide On/Off and mode switching. The controller shall have the capability to provide

sequential starting with up to fifty seconds delay.

2.3 ACCESSORIES

A. Refrigerant Line Kits: Soft-annealed copper suction and liquid lines factory cleaned, dried,

pressurized, and sealed; factory-insulated suction line with flared fittings at both ends.

1. Provide locking access ports for refrigerant system.

B. Drain Hose: For condensate.





C. Drain Pan Level Sensor: Sensor shall disable unit on detection of moisture.

D. Condensate Pump: As scheduled.

2.4 GOVERNMENT CENTER – SPLIT AIR-HANDLING UNITS (AHU-1, AHU-2) (*AD-

02)


following:

1. Daikin

2. Trane

3. Thybar

4. York

B. General Description: Indoor air handling unit shall be factory-assembled and -tested;

designed for multizone operation and interior vertical flow; consisting of unit supply fans,

evaporator coil, hot water heating coil, filters, control devices and accessories.

C. Casings: Manufacturer’s standard double-wall galvanized sheet metal interior

construction with standard paint finish, galvanized inner lining and floor, minimum

thermal resistance (R-value) of 8.33 insulation, removable panels and access doors with

neoprene gaskets for inspection and access to internal parts, knockouts for electrical and

piping connections, exterior condensate drain connection, lifting lugs and seals to prevent

air bypass between internal components.

D. Access Doors: Same materials and finishes as casing complete with hinges, latches,

handles, and gaskets. Inspection doors shall be sized and located to allow periodic

maintenance and inspections. Provide access door handles that do not require any tool for

operation. Provide access doors in the following locations:

1. Fan Sections

2. Coil Sections

3. Filter Sections

E. Condensate Drain Pans: Formed sections of stainless-steel sheet complying with

requirements in ASHRAE 62. Fabricate pans with slopes in two planes to collect

condensate from evaporator coils.

1. Double-Wall Construction: Fill space between walls with foam insulation and seal

moisture tight.

2. Pan-Top Surface Coating: Elastomeric compound.

3. Units with stacked coils shall have an intermediate drain pan or drain trough to

collect condensate from top coil.

F. Fan and Drive Assemblies: Single, forward curved, centrifugal blower type fan,

dynamically balanced and designed for continuous operation at maximum-rated fan speed

and motor horsepower. Shafts shall be designed for continuous operation at maximum-

rated fan speed and motor horsepower, and with field-adjustable alignment. Drive shall

have variable pitch sheaves for balancing. Shaft shall be supported by permanently

lubricated bearings with 200,000 hour, L50 design life.





G. Internal Vibration Isolation: Fans shall be factory mounted with manufacturer's

standard vibration isolation mounting devices having a minimum static deflection of 1

inch.

H. Motors: General requirements for motors are specified in Division 23 Section "Motors

for HVAC Equipment." Provide minimum motor size as indicated; if not indicated, large

enough so driven load will not require motor to operate in service factor range above 1.0.

Electrical devices and wiring are specified in Division 26 Sections.

I. Evaporator Coil:

1. Direct-Expansion Coil: Seamless copper tubes expanded into aluminum fins with

equalizing-type vertical distributor. Factory testing to 450 psig according to ARI

410 and ASRHAE 33.

2. Refrigerant Circuits: Intertwined dual circuit.

3. Condensate Drain Pan: Stainless steel formed with pitch and external drain

connections complying with ASHRAE 62, sloped in two directions.

J. Hydronic Heating Coils: Aluminum-plate fin and seamless copper tube in steel casing

with equalizing-type vertical distributor with copper or cast iron headers. Comply with

ARI 410. Fabricate coil section to allow removal and replacement of coil for maintenance

and to allow in-place access for service and maintenance of coil(s).

K. Air Filtration:

1. Provide filter holding frames arranged for flat or angular orientation, with access

doors on both sides of unit. Filters shall be removable from one side.

2. Air Filters: (Located at inlet of unit)

a. Media: Cotton and synthetic pleated.

b. Efficiency: Filter media shall have an average efficiency of 30-35% (MERV

8) and an average arrestance of greater than 90% in accordance with

ASHRAE Standard 52.1. Minimum of MERV 8 in accordance with ASHRAE

Standard 52.2.

c. Thickness: Thickness shall be 2”.

d. Media Support Grid: Welded wire on 1” centers with 96% free area bonded

to the media.

e. Filter Frame: High wet strength cardboard with diagonal support members

bonded to the media on the entering side and exiting side of each pleat.

f. Holding Frame: Galvanized steel with metal grid on outlet side, polyurethane

gaskets, and spring fasteners.

g. Filter shall be Camfil Farr 30/30 or approved equal.

2.5 GOVERNMENT CENTER – SPLIT AIR-HANDLING UNIT (AHU-3, AHU-A) (*AD-02)


following:

1. Daikin

2. Trane

3. Thybar

4. York





B. General Description: Indoor air handling unit shall be factory-assembled and -tested;

designed for constant volume operation and interior vertical flow installation; consisting of

unit supply fan, evaporator coil, hot water coil (AHU-3 only), filters, control devices and

accessories.

C. Casings: Manufacturer’s standard double-wall galvanized sheet metal interior

construction with standard paint finish, galvanized inner lining and floor, minimum

thermal resistance (R-value) of 8.33 insulation, removable panels and access doors with

neoprene gaskets for inspection and access to internal parts, knockouts for electrical and

piping connections, exterior condensate drain connection, lifting lugs and seals to prevent

air bypass between internal components.

D. Access Doors: Same materials and finishes as casing complete with hinges, latches,

handles, and gaskets. Inspection doors shall be sized and located to allow periodic

maintenance and inspections. Provide access door handles that do not require any tool for

operation. Provide access doors in the following locations:

1. Fan Sections

2. Coil Sections

3. Filter Sections

E. Condensate Drain Pans: Formed sections of stainless-steel sheet complying with

requirements in ASHRAE 62. Fabricate pans with slopes in two planes to collect

condensate from evaporator coils.

1. Double-Wall Construction: Fill space between walls with foam insulation and seal

moisture tight.

2. Pan-Top Surface Coating: Elastomeric compound.

3. Units with stacked coils shall have an intermediate drain pan or drain trough to

collect condensate from top coil.

F. Fan and Drive Assemblies: Double inlet, double width, forward curved, centrifugal

blower type fan, dynamically balanced and designed for continuous operation at

maximum-rated fan speed and motor horsepower. Shafts shall be designed for continuous

operation at maximum-rated fan speed and motor horsepower, and with field-adjustable

alignment. Drive shall have variable pitch sheaves for balancing. Shaft shall be supported

by permanently lubricated bearings with 200,000 hour, L50 design life.

G. Internal Vibration Isolation: Fans shall be factory mounted with manufacturer's

standard vibration isolation mounting devices having a minimum static deflection of 1

inch.

H. Motors: General requirements for motors are specified in Division 23 Section "Motors

for HVAC Equipment." Provide minimum motor size as indicated; if not indicated, large

enough so driven load will not require motor to operate in service factor range above 1.0.

Electrical devices and wiring are specified in Division 26 Sections.

I. Evaporator Coil:

1. Direct-Expansion Coil: Seamless copper tubes expanded into aluminum fins with

equalizing-type vertical distributor. Factory testing to 450 psig according to ARI

410 and ASRHAE 33.

2. Refrigerant Circuits: Intertwined dual circuit.





3. Condensate Drain Pan: Stainless steel formed with pitch and external drain

connections complying with ASHRAE 62, sloped in two directions.

J. Hydronic Heating Coils: Aluminum-plate fin and seamless copper tube in steel casing

with equalizing-type vertical distributor with copper or cast iron headers. Comply with

ARI 410. Fabricate coil section to allow removal and replacement of coil for maintenance

and to allow in-place access for service and maintenance of coil(s).

K. Air Filtration:

1. Provide filter holding frames arranged for flat or angular orientation, with access

doors on both sides of unit. Filters shall be removable from one side.

2. Air Filters: (Located at inlet of unit)

a. Media: Cotton and synthetic pleated.

b. Efficiency: Filter media shall have an average efficiency of 30-35% (MERV

8) and an average arrestance of greater than 90% in accordance with

ASHRAE Standard 52.1. Minimum of MERV 8 in accordance with ASHRAE

Standard 52.2.

c. Thickness: Thickness shall be 2”.

d. Media Support Grid: Welded wire on 1” centers with 96% free area bonded

to the media.

e. Filter Frame: High wet strength cardboard with diagonal support members

bonded to the media on the entering side and exiting side of each pleat.

f. Holding Frame: Galvanized steel with metal grid on outlet side, polyurethane

gaskets, and spring fasteners.

g. Filter shall be Camfil Farr 30/30 or approved equal.

2.6 GOVERNMENT CENTER – AIR-COOLED, COMPRESSOR-CONDENSER

COMPONENTS (CU-1, CU-2, CU-3) (*AD-02)

A. Casing: Galvanized Steel, finished with baked enamel in color selected by Architect, with

removable panels for access to controls, weep holes for water drainage, and mounting

holes in base. Provide brass service valves, fittings, and gage ports on exterior of casing.

B. Air-Cooled Condenser:

1. Description: Factory-assembled and -tested with condenser coil, fans and motors,

operating controls and suitable for pad mounting.

a. Condenser Coil: Aluminum-fin copper tube with integral subcooler; leak

tested to 450 psig.

b. Condenser Fans: Statically and dynamically balanced direct-drive propeller

type with aluminum blades with three-phase, permanently lubricated, ball

bearing motors with built-in thermal-overload protection.

c. Terminate suction and liquid refrigerant piping with service valves within

unit.

d. Coil Guard: Painted galvanized steel with louvered grilles.

e. Circuits: One circuit per compressor unless indicated otherwise.

f. Filter Dryer: Factory installed liquid line filter dryer in each circuit.

g. Loss of Charge Protection: Discharge line thermostats in each circuit.

h. Evaporator defrost control.





C. Compressor: Hermetically sealed with crankcase heater and mounted on vibration

isolation. Compressor motor shall have thermal- and current-sensitive overload devices,

start capacitor, relay, and contactor.

1. Compressor Type: Scroll

2. Refrigerant: R-410A.

3. Refrigerant Coil: Copper tube, with mechanically bonded aluminum fins,

complying with ARI 210/240, and with liquid subcooler.

4. Fan: Aluminum-propeller type directly connected to motor.


6. Minimum Energy Efficiency: Comply with ASHRAE/IESNA 90.1-2007, "Energy

Standard for Buildings except Low-Rise Residential Buildings."

7. Acoustical Treatment: Sound absorbing wrap around each compressor.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install units level and plumb.

B. Install evaporator-fan components using manufacturer's standard mounting devices securely

fastened to building structure.

C. Install and connect pre-charged refrigerant tubing to component's quick-connect fittings. Install

tubing to allow access to unit.

3.2 CONNECTIONS

A. Piping installation requirements are specified in other Division 23 Sections. Drawings indicate

general arrangement of piping, fittings, and specialties.

B. Install piping adjacent to unit to allow service and maintenance.

C. Ground equipment according to Division 26 Section "Grounding and Bonding for Electrical

Systems."

D. Electrical Connections: Comply with requirements in Division 26 Sections for power wiring,

switches, and motor controls.


A. Manufacturer's Field Service: Engage a factory-authorized service representative to

inspect, test, and adjust field-assembled components and equipment installation, including

connections. Report results in writing.

B. Perform the following field tests and inspections and prepare test reports:





1. Leak Test: After installation, charge system and test for leaks. Repair leaks and retest

until no leaks exist.

2. Operational Test: After electrical circuitry has been energized, start units to confirm

proper motor rotation and unit operation.

3. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and

equipment.

C. Remove and replace malfunctioning units and retest as specified above.

3.4 STARTUP SERVICE

A. Engage a factory-authorized service representative to perform startup service.

1. Complete installation and startup checks according to manufacturer's written instructions.

3.5 DEMONSTRATION

A. Engage a factory-authorized service representative to train Owner's maintenance personnel to

adjust, operate, and maintain units. Refer to Division 01 Section "Closeout Procedures."


UPUP

REF.

UP

UP

UP

UP

FLOOR PATTERN GENERAL NOTES

A. REFER TO FLOORING HATCHES BELOW FOR LIMITS OF FLOORING AREAS. REFER

TO FINISH SCHEDULE FOR MORE INFORMATION.

CARPET TILE

VINYL FLOORING

EXISTING BRICK PAVER FLOORING

STATIC-RESISTANT VINYL FLOORING

2' - 6"

ADA

111

ADA

113

ADA

114

ADA

115

OPEN OFFICE

104

LEGAL ASST.

105

BREAK

106

ELEV

133

CORRIDOR

135

EQUIPMENT

136

STAIR

134

PARALEGAL

119

ADA

133

ADA

132

ELECTED DA

131

ADA

130

CORR

128TLT

129

ACCESS

137

STR

127

M/E

126

CORR

120

I.T.

121

TLT

122

TOILET

102

TOILET

101

LOBBY

100

ADA

123

ADA

125

WAITING

103 TLT

107

TLT

109

M/E

110

CORR

108

FILES/COPY

118

ADA

117-BADA

116

CLERK OF

COURT

2073

ESTATES

2074

BREAK

2075

CLERK OPEN

OFFICE

2078

HEARING

ROOM

2071

LOBBY/

SCREENING

2064

DEPUTY

CRIMINAL

SUPERVISOR

2079

BOOKKEEPER

2080

SERVER/

MICROFILM

2081

STORAGE

2082

VAULT

2083

DEPUTY

CLERK -

JUVENILE

2085

ADOPTIONS

2084

VESTIBULE

115

MAGISTRATE

COURT ROOM

2052

CHAMBERS

2053

LOBBY

2051

STAIRSTAIR

STAIR

CLERK LOBBY

2070

TOILET

2066

TOILET

2068

ELEC

2069

ELEV

178

JAN

179

OFFICE

183

ELEV EQ.

180

CELL

189

CELL

190

TLT

2077

BREAK

2076

CELL

3080

CUSTOMER

SERVICE

COUNTERS

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FIRST FLOOR PLAN - HCH - FLOORING1

1/8" = 1'-0"A3.2.2 A3.1.2

FIRST FLOOR PLAN - MAIN COURTHOUSE - EAST2

REVISIONS

DATE DESCRIPTION

4/24/20 AD 02

AD 02

REF.

PRETRIAL

RELEASE

COORDINATOR

3060

STOR.

3060-A

J/C

135

ATTY CONF

3076

COURTROOM

C

3067

JURY

DELIBERATION

3073

CHAMBER

3068

TLT

85

TLT

86TLT

87

LONG-TERM

CLERK

STORAGE

VAULT

3065

LAW LIBRARY

3057

CLERK

3061-A

TLT

3062

CLERK AREA

3061

ATTORNEY

3058

ATTY

CONF

3063

LOUNGE

3056

TLT

149

TLT

150

ATTY CONF

3074

SECURITY

OFFICE

3051-A

I.T.

3059

ATTY CONF

3064

LOBBY

3055

ELEV

CORR

3072

CORR

3056-A

JUDGE ENTRY

3040

STAIR

EAST-2

STAIR

EAST-1

GRAND JURY

3008

JURY BREAK

LOBBY

3031

TOILET

3032

TOILET

3033

JURY

ASSEMBLY

3007

CONFERENCE

3027

CELL

3023

CELL

3025

VESTIBULE

3024

ELEVATOR

BAILIFF

3022

MEDIATION

OFFICE

3026

OFFICE

3038

CHAMBER

3016

JURY

DELIBERATION

3017

COURTROOM A

3020

COURTROOM B

3048

JURY ROOM/

WORK AREA

3045

JUDGE'S

CHAMBERS

3043

TLT

3035

TLT

3036

COURT

REPORTER

3012

DISTRICT

ATTORNEYS

RECEPTION

3050

OFFICE

3052OFFICE

3053

OFFICE

3055

OFFICE

3039

JUDICIAL

RECEPTION

3034

CORR

3009

CORRIDOR

3010

OPEN

3054

CORR

3051

LOBBY

3055

TLT

3017-A

TLT

3017-B

TLT

3015

TEMP EVID

3014

JURY ROOM/

WORK AREA

3045-B

STAIR VEST.

W-3

STAIR VEST.

W-2

STAIR

WEST-2

STAIR

WEST-1

STAIR

WEST-3

JUDGE ENTRY

3020-A

CL

3045-A

STAIR

WEST-4

CARD READER ACCESS

EMERGENCY EXIT ONLY

GRAY SOLID HATCH

SHOWS LIMITS OF NEW

CARPET TILE FLOORING

PATCH AND REPAIR

EXISTING WINDOW SILL WALLS

TYPICAL, U.N.O.

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1/8" = 1'-0"A3.1.3

SECOND FLOOR PLAN - MAIN COURTHOUSE EAST - FLOORING1

1/8" = 1'-0"A3.1.3

SECOND FLOOR PLAN - MAIN COURTHOUSE - WEST - FLOORING2

REVISIONS

DATE DESCRIPTION

4/24/20 AD 02

AD 02

A. FINISH SCHEDULE DESCRIBES ONLY THE BASIC OR PREDOMINANT SURFACE FINISH.

B. PROVIDE SAME FINISHES AS THE ADJACENT SPACE IN ALCOVES AND CONTINUOUS SPACES WITHOUT DESIGNATED SPACE NUMBERS.

C. CASEWORK FINISHES ARE NOT NOTED IN THE FINISH SCHEDULE. REFER TO CASEWORK ELEVATIONS AND SPECIFICATIONS FOR MATERIALS AND FINISHES.

D. DIRECTIONAL WALL FINISH INDICATORS (NORTH, EAST, SOUTH, WEST) REFER TO THE "PLAN" NORTH ORIENTATION.

E. BULKHEADS AND SOFFITS MAY NOT BE INDICATED IN FINISH SCHEDULES. REFER TO RCP DETAILS, AND OTHER DOCUMENTS FOR EXTENT.

F. PROVIDE CONTINUOUS SEALANT BETWEEN INTERIOR SLAB-ON-GRADE AND VERTICAL ELEMENT WHERE JOINT IS NOT CONCEALED BY FINISH BASE OR OTHER CONSTRUCTION.

G. PROVIDE METAL TRANSITIONS AT ALL NEW FLOORING FINISHES U.N.O. REFER TO DIVISION 9 SECTION RESILIENT BASE AND ACCESSORIES.

FINISH SCHEDULE GENERAL NOTES

1. EXISTING BRICK PAVER TO REMAIN. REFER TO A1.3.1 FOR EXTENTS OF DEMOLITION.

2. COMBINATION OF NEW AND EXISTING CEILING GRID AND TILE. REFER TO CEILING PLANS A9.2.X FOR EXTENTS OF NEW WORK.

ACCENT FINISH SCHEDULEAPPLIES TO DRAWINGS A3.0.1-A3.0.n

SPACE NUMBER ACCENT COLOR LOCATION

3081 NO. 1 PARTIAL HEIGHT WALLS

- - -

ACCENT FINISH SCHEDULE NOTES:

1. ABOVE COLOR NOS. ARE FOR ACCENT PAINT COLORS ONLY. THEY DO NOT INCLUDE DOOR FRAMES, PAINTED BASE, GENERAL WALL COLORS.

2. COLOR NOS. INDICATED ABOVE ARE PARTICULAR TO THE DESIGNATED SPACE ONLY (I.E. COLOR NO.1 FOR Ann MAY BE DIFFERENT FROM COLOR NO.1 FOR Bnn)

3. PAINT ALL EXPOSED ELEMENTS (SUCH AS PIPING AND CONDUITS) TO MATCH ADJACENT COLOR (HIDE & BLEND).

4. NOTE...

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

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D G

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BU

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8277

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704)

540-3

755 F

AX

(704)

540-3

754

4-06-2020

4/2

4/2

02

0 5

:37

:18

PM

FINISH SCHEDULE -

COURTHOUSES

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

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ME

NT

CE

NT

ER

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A3.2.1

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23

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FINISH SCHEDULE

NUMBER NAME FLOOR BASE

WALLS

WAINSCOT CEILING NOTESNORTH EAST SOUTH WEST

103 WAITING C-TILE-A2 RB-A2 PT-A2 PT-A2 PT-A2 PT-A2 EXISTING

104 OPEN OFFICE C-TILE-A2 RB-A2 PT-A2 PT-A2 PT-A2 PT-A2 EXISTING

105 LEGAL ASST. C-TILE-A2 RB-A2 PT-A2 PT-A2 PT-A2 PT-A2 EXISTING

106 BREAK VT-A2 RB-A2 PT-A2 PT-A2 PT-A2 PT-A2 EXISTING

108 CORR C-TILE-A2 RB-A2 PT-A2 PT-A2 PT-A2 PT-A2 EXISTING

111 ADA C-TILE-A2 RB-A2 PT-A2 PT-A2 PT-A2 PT-A2 EXISTING






117-A ADA C-TILE-A2 RB-A2 PT-A2 PT-A2 PT-A2 PT-A5 EXISTING

117-B ADA C-TILE-A2 RB-A2 PT-A5 PT-A2 PT-A2 PT-A2 EXISTING

118 FILES/COPY C-TILE-A2 RB-A2 PT-A2 PT-A2 PT-A2 PT-A2 EXISTING

119 PARALEGAL C-TILE-A2 RB-A2 PT-A2 PT-A2 PT-A2 PT-A2 EXISTING







131 ELECTED DA C-TILE-A2 RB-A2 PT-A2 PT-A2 PT-A5 PT-A2 EXISTING



2051 LOBBY C-TILE-B RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 EXISTING

2052 MAGISTRATE COURT ROOM C-TILE-B RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-C

2053 CHAMBERS C-TILE-B RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-C

2070 CLERK LOBBY VT-A3 / EX PAVER RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B / EXISTING 1, 2

2071 HEARING ROOM -- -- -- -- -- -- --

2073 CLERK OF COURT -- -- -- -- -- -- --

2074 ESTATES -- -- -- -- -- -- --

2075 BREAK -- -- -- -- -- -- --

2076 BREAK -- -- -- -- -- -- --

2077 TLT -- -- -- -- -- -- --

2078 CLERK OPEN OFFICE C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 EXISTING

2079 DEPUTY CRIMINAL SUPERVISOR C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A6 PT-A3 EXISTING

2080 BOOKKEEPER -- -- -- -- -- -- --

2081 SERVER/ MICROFILM -- -- -- -- -- -- --

2082 STORAGE -- -- -- -- -- -- --

2083 VAULT -- -- -- -- -- -- --

2084 ADOPTIONS -- -- -- -- -- -- --

2085 DEPUTY CLERK - JUVENILE C-TILE-A3 RB-A3 PT-A6 PT-A3 PT-A3 PT-A3 EXISTING

3007 JURY ASSEMBLY C-TILE-B RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-C

3008 GRAND JURY C-TILE-B RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-C

3009 CORR C-TILE-C RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3010 CORRIDOR C-TILE-C RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3012 COURT REPORTER C-TILE-A4 RB-A3 PT-A3 PT-A6 PT-A3 PT-A3 ACP-B

3026 MEDIATION OFFICE C-TILE-A4 RB-A3 PT-A3 PT-A3 PT-A6 PT-A3 EXISTING

3027 CONFERENCE C-TILE-A4 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 EXISTING

3031 JURY BREAK LOBBY VT-C RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3034 JUDICIAL RECEPTION C-TILE-A4/VT-C RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3037 CORR C-TILE-A4 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3038 OFFICE C-TILE-A4 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B


3050 DISTRICT ATTORNEYS RECEPTION C-TILE-A4 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3051 CORR C-TILE-C RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B



3054 OPEN C-TILE-A4 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B


3056 LOUNGE C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3056-A CORR VT-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3057 LAW LIBRARY C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 EXISTING

3058 ATTORNEY C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A6 PT-A3 EXISTING

3059 I.T. RFT-A RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 EXISTING

3060 PRETRIAL RELEASE COORDINATOR C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A6 PT-A3 ACP-B

3060-A STOR. C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3061 CLERK AREA VT-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 EXISTING

3061-A CLERK VT-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 EXISTING

3062 TLT VT-A3 RB-A3 EPX-PT-A3 EPX-PT-A3 EPX-PT-A3 EPX-PT-A3 EXISTING

3063 ATTY CONF C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3064 ATTY CONF C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 ACP-B

3081 CUSTOMER SERVICE COUNTERS C-TILE-A3 RB-A3 PT-A3 PT-A3 PT-A3 PT-A3 EXISTING

REVISIONS

DATE DESCRIPTION

4/24/20 AD 02

AD 02

AD 02

AD 02

AD 02

AD 02

AD 02

AD 02

AD 02

AD 02

A. UNLESS INDICATED OTHERWISE, ALL COUNTERTOP(S): • 2’-10” AFF OR 2’-10” TO TOP OF RIM AT DROP-IN SINKS AND LAVATORIES WHERE

OCCURS• 2’-1” DEEP• SOLID SURFACE • BACKSPLASHES: 4” HIGH AT ALL SIDES AND BACK

B. UNLESS INDICATED OTHERWISE, ALL BASE CABINET(S):• 2’-0” DEEP NOMINAL• TOE KICKS: 4” HIGH AND 3” DEEP• SINK LOCATIONS: 3’-0” WIDE CLEAR KNEE SPACE (NO BASE CABINET) FOR BARRIER

FREE ACCESS

C. UNLESS INDICATED OTHERWISE, ALL WALL CABINET(S):• 1’-0” DEEP NOMINAL• 2’-6” HIGH• TOP AT 7’-0” AFF

D. BUILT-IN EQUIPMENT: SIZE OPENING (HEIGHT, WIDTH, AND DEPTH) AND ROUGH-IN REQUIREMENTS AS REQUIRED BASED ON APPROVED MANUFACTURER SUBMITTED.

E. ALL SHELVES: ADJUSTABLE UNLESS INDICATED OTHERWISE.

F. PROVIDE FINISH END PANELS AT ALL EXPOSED CASEWORK ENDS.

G. LOCKS: WHERE COORDINATED WITH SPECIALTY CASEWORK IN CLERK OF COURTS AND

REGISTER OF DEEDS; UNLESS INDICATED OTHERWISE.

CASEWORK GENERAL NOTES

1. LOCKABLE VENTILATED BASE CABINET FOR P.C. TOWER

2. 12" DEEP SOLID SURFACE TRANSACTION COUNTERTOP WITH MITERED WATERFALL EDGE.

3. 11 1/2" STEEL SHELVING SUPPORT

4. 3/4" SOLID SURFACE CAP WITH EASED EDGE

5. UNDERCOUNTER HEAVY DUTY PREFABRICATED STEEL BRACE

6. LOCKABLE CASH DRAWER

7. SSM COUNTERTOP W/ APRON

8. 2X WD LEDGER ANCHOR AT EACH STUD

9. 2 1/2"x2 1/2"x .185 STL ANGLE BRACKET CENTERED BETWEEN LAVATORIES & AT OPEN ENDS, 4'-0" MAX

10. REMOVABLE PLAM PANEL, 4'-0" WIDE MAX

11. 1X WD BACKER SCREW-ATTACHED TO STL BRACKET

12. CONT 1X2 WD BLOCKING W/ BRACKETS FOR Z CLIPS

13. 2 1/2"x2 1/2"x.185 STL ANGLE APRON CARRIER CONT

14. 4" SSM BACKSPLASH

15. FINISHED END PANEL BEYOND

16. CUT-OUT FOR WIRE MANAGEMENT. PROVIDE PVC FINISHED EDGES.

17. CPU (NIC)

18. PERFORATED AIR VENTS. 1" W X 1'-4" H

19. PRE-FINISHED STEEL SUPPORTS TO STRUCTURE ABOVE CEILING

20. PRE-FINISHED STEEL FRAMED GLAZING PANELS, TYP, U.N.O.

21. PASS-THRU OPENING @ CUSTOMER SERVICE WINDOWS

22. GLASS MOUNTED AMPLIFIER / SPEAKER UNIT

23. EXISTING WALL TO REMAIN

REPRESENTED BY n

APPLIES TO DRAWINGS A8.1 - A8.nn

CASEWORK KEYNOTES

AD 02

FILLER

3' - 0" 1' - 6" 3' - 0"

FILLER

FILLER

2' - 6" 2' - 6" 2' - 6"

FILLER

12

A8.2.1

T/B

OT

TO

M O

F E

XIS

T. S

OF

FIT

7' -

11"

+/-

CLE

AR

5' -

0"

EX

IST

ING

CE

ILIN

G H

EIG

HT

10' -

0"

+/-

13

A8.2.1

3

2

3

2

2' -

6"

3' -

6"

3' -

6"

2' -

6"

1' - 9" EQ 2' - 6" EQ

4 4 4 4 4 4 4 4

201919 19

EQ EQ

2

2' -

6"

3' -

6"

3

2' - 6"

44 4

FILLER

1' - 3" 1' - 3"

FILLER

FILLER

1' - 3" 1' - 3"

FILLER13

A8.2.1

4' -

8"

6

1

4

21

22

4 4 4 44

FILLER

1' - 6" 1' - 6" 1' - 3" 2' - 6"

5

4

4' -

8"

19

1' - 3" 2' - 10" 2' - 10"

4

56

1

4 44

4

1' - 6"2' - 9"1' - 6"

FILLER

44

1919

4' -

5"7' -

6"

23

AD 02

1' - 3"

1

6

4

204 4 4

MAX

6"

2' -

10"

MA

X T

O R

IM

2' -

3"

MIN 8" MIN

9"

MIN

LIF

TIN

G C

LE

AR

AN

CE

2' - 0"

11

10

8

12

9

15

7

13

14

2' -

10"

4 1

/8"

1' -

1 1

/4"

3 7

/8"

4"

4"

6"

1"

4"

1"

4"

1"

2' - 0"

6

16

17

18

2' - 0" 2' - 6"

FILLER

FILLER

1' - 9" 3' - 0"

FILLER2' - 3" 2' - 6"

FILLER

30 31 33

S

G

H

M

4

A5.2.1

A8.2.1

8

A8.2.1

5

7

A8.2.16

4

A8.2.110

9

13

A8.2.1

2078a

2070a

2070b

2078b

CRIMINAL

CIVIL

CASHIER

CASHIER

STORAGE/

WORK COUNTER

PUBLIC KIOSKS

PUBLIC TABLE

F

GLASS PANELS

ABOVE SERVICE

COUNTERS.

ADA PULL-OUT

COUNTERS

INTEGRATED

WITH WALLS

EACH SERVICE COUNTERTO INCLUDE SPACEFOR (2) MONITORS, KEYBOARD, CPU (BELOW, SCANNER AND FILE / STORAGE BASE CABINETS

10' - 10" 3' - 0"

4' -

8" 9' -

6"

8' -

11"

EQ

UA

LE

QU

AL

VIF

5' -

11 3

/8"

+/-

VIF

2' - 5" +/-

2078

2070

2064

2069

2068

P1

TYP BELOW

CASEWORK,

UNO

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P1

14

1

CW

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U.N.O.

P4

P3P4

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LOW

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AD 02

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1/4" = 1'-0"

HC - BREAK 106 - WEST2

1/4" = 1'-0"

MC - LOBBY 2070 - EAST4

1/4" = 1'-0"

MC - LOBBY 2070 - SOUTH5

1/4" = 1'-0"

MC - CASHIER 2078 - WEST6

1/4" = 1'-0"

MC - CIVIL 2078 - EAST7

1/4" = 1'-0"

MC - CIVIL 2078 - NORTH8

1/4" = 1'-0"

MC - CRIMINAL 2078 - NORTH9

1/4" = 1'-0"

MC - CRIMINAL 2078 - WEST10

3/4" = 1'-0"A8.2.1 A8.2.1

SECTION - ACCESSIBLE LAVATORY12

1" = 1'-0"A8.2.1 A8.2.1

SECTION - CPU CABINET WITH CASH DRAWER13

1/4" = 1'-0"

HC - BREAK 106 - EAST3

1/4" = 1'-0"

MC - CLERK AREA 3061 - EAST11

1/4" = 1'-0"A2.3.1 A8.2.1

FIRST FLOOR ENLARGED PLAN - CLERK OF COURTS1

44 4

1/4" = 1'-0"

MC - CIVIL 2078 - WEST14

REVISIONS

DATE DESCRIPTION

4/24/20 AD 02

SEAL

SONP. FORS

Y

037569

TH

JA

CAROLINA

HTRO

N

PR

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SCHEDULES

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dofiibI=obdfpqboI=C=afccrpbo=p`ebaribTAG MANUFACTURER MODEL NUMBER MOUNTING STYLE NECK SIZE FACE SIZE MAX NC LEVEL NOTES

S1 PRICE ASCD LAY-IN 6" 24x24 30 -

S2 PRICE ASCD LAY-IN 8" 24x24 30 -

S3 PRICE ASCD SURFACE 6x6 8x8 30 -

R1 PRICE 635FF LAY-IN 22x22 24x24 30 1

E1 PRICE 635-F-L SURFACE 6x6 8x8 30 -

E2 PRICE 635-F-L SURFACE 12x6 14x8 30 -

E3 PRICE 635-TB-L LAY-IN 6x6 24x24 30 -

E4 PRICE 635-TB-L LAY-IN 8x8 24x24 30 -

FAN COIL UNIT SCHEDULE

TAG MFRMODEL

NUMBER

SUPPLYAIRFLOW

(CFM)

FANSPEED

SETTING

HYDRONIC COOLING COIL HYDRONIC HEATING COIL ELECTRICAL DATA

WEIGHT(LBS)

TOTALCAPACITY

(BTUH)

SENSIBLECAPACITY

(BTUH)

EAT LAT

EWT(°F)

LWT(°F)

WATERFLOWRATE(GPM)

WATERPRESSURE

DROP(FT WC)

CAPACITY(BTUH)

EAT(°F)

LAT(°F)

EWT(°F)

LWT(°F)

WATERFLOWRATE(GPM)

WATERPRESSURE

DROP(FT WC)

MOTORSIZE

(WATTS)MCA(A)

MOCP(A)

SERVICE

(°FDB)

(°FWB)

(°FDB)

(°FWB) (V) (PH) (HZ)

FC-1 TRANE FCBB03 193 MEDIUM 6.19 3.98 77.0 67.0 56.5 56.1 45 57.5 1.0 2.06 5.30 68.0 95.2 180 159 0.5 0.07 23 2.8 15.0 120 1 60 97

FC-2 TRANE FCBB04 320 HIGH 10.16 6.47 77.0 67.0 56.2 55.7 45 58.8 1.5 4.85 8.80 68.0 96.2 180 162 1.0 0.26 58 2.8 15.0 120 1 60 125






FC-8 TRANE FCCB08 685 MEDIUM 19.63 12.91 77.0 67.0 58.1 57.2 45 58.5 3.0 4.86 12.15 68.0 85.8 180 161 0.5 0.13 187 3.9 15.0 120 1 60 164

AIR HANDLING UNIT SCHEDULE

TAG MANUFACTURERMODEL

NUMBER

SUPPLY FAN DX COOLING COIL HYDRONIC HEATING COIL ELECTRICAL DATA

WEIGHT(LBS) NOTES

DESIGNAIRFLOW

(CFM)ESP

(IN WC)

FAN WHEEL

MOTORSIZE(HP)

TOTALCAPACITY

(BTUH)

SENSIBLECAPACITY

(BTUH)

EAT LAT

SENSIBLECAPACITY

(BTUH)EAT(°F)

LAT(°F)

EWT(°F)

LWT(°F)

WATERFLOWRATE(GPM)

WATERPRESSURE

DROP(FT WC)

SINGLE-POINT DATA SERVICE

TYPE

FANSPEED(RPM)

DB(°F)

WB(°F)

DB(°F)

WB(°F)

UNITFLA(A)

UNITMCA(A)

UNITMOCP

(A) (V) (PH) (HZ)

AHU-1 THYBAR - 4,960 1.00 PF 3161 5 190,200 127,400 80.0 67.0 56.2 54.8 230,500 60.0 102.8 180 160 19 3.1 15.7 19.6 35.0 208 3 60 3,425 1

AHU-2 THYBAR - 2,790 1.00 PF 3577 3 106,200 73,700 80.0 67.0 55.6 54.9 123,500 60.0 100.8 180 160 11 1.8 9.7 12.1 20.0 208 3 60 3,425 1

AHU-3 TRANE TWE060 2,080 1.00 FC 1728 60,000 48,000 80.0 67.0 55.0 54.0 80,000 60.0 90.0 180 160 8 1.4 5.3 7.0 15.0 208 3 60 1

AHU-A TRANE TWE180 4,800 1.00 FC 1728 184,170 130,610 80.0 67.0 56.1 54.8 9.4 12.0 20.0 208 1 60 675 1,2

BOILER SCHEDULE

TAG MANUFACTURER MODEL LOCATION

INPUTCAPACITY

(BTUH)

OUTPUTCAPACITY

(BTUH)FUELTYPE

EWT(°F)

LWT(°F)

DESIGNFLOW RATE

(GPM)

WATERPRESSURE

DROP AT DESIGN(FT WC)

COMBUSTIONAIR OUTLET

(IN)

WATERFUELINLET

(IN)

ELECTRICAL DATA

INLET(IN)

OUTLET(IN)

FLA(A)

SERVICE

(V) (PH) (HZ)

B-1 RAPAK H-330 MECHANICAL ROOM #1 334,000 274,000 NATURAL GAS 160 180 27 3.4 8 1.5 1.5 0.75 1.2 120 1 60



FAN SCHEDULE

TAG MANUFACTURER MODEL NUMBER SERVING TYPEAIRFLOW

(CFM)ESP

(IN WC)FAN WHEEL

(RPM) DRIVE TYPE SONESCONTROLMETHOD

MOTOR(HP)

ELECTRICAL DATA WEIGHT(LBS) NOTES(V) (PH) (HZ)

F-1 GREENHECK BSQ-240 AHU-1 INLINE CENTRIFUGAL 4,960 0.50 694 BELT 12.8 BAS 1 208 1 60 240 1,2

F-2 GREENHECK BSQ-160 AHU-2 INLINE CENTRIFUGAL 2,790 0.50 1139 BELT 12.2 BAS 3/4 208 1 60 136 1,2

F-3 GREENHECK G-70-VG LAB 239 ROOF MTD. CENTRIFUGAL 180 0.25 1327 DIRECT 2.8 BAS 1/15 120 1 60 22 1

PUMP SCHEDULE

TAG MANUFACTURER MODEL NUMBER SERVING LOCATION

OPERATING DATA SUCTIONSIZE(IN)

DISCHARGESIZE(IN)

IMPELLER SIZE(IN)

MOTOR SIZE(HP) MOTOR RPM

ELECTRICAL DATA

FLOW(GPM)

HEAD(FT WC)

EFFICIENCY(%) V PH HZ

CHWP-2 BELL & GOSSETT e1510-3BC CHILLED WATER LOOP CHILLER ROOM 351.0 68 79.1 4.00 3.00 8.500 10 1800 208 3 60

HWP-2 BELL & GOSSETT e1510-2½AC HOT WATER LOOP PENTHOUSE 189.0 43 78.3 3.00 2.50 7.000 3 1800 208 3 60

HWP-3 BELL & GOSSETT e90-1.25AAB BOILER B-1 MECHANICAL ROOM #1 27.0 20 61.2 1.25 1.25 4.625 1/2 1800 120 1 60



CONDENSING UNIT SCHEDULE

TAG MANUFACTURER MODEL SERVING LOCATIONCAPACITY

(TONS)

NUMBEROF

COMPRESSORS

NUMBEROF

CIRCUITS

AMBIENT AIRTEMPERATURE

(°F)MCA(A)

MOCP(A)

ELECTRICAL DATA

NOTES(V) (PH) (HZ)

CU-1 TRANE TTA180 AHU-1 ROOF 15.0 2 2 95 66.0 90 208 3 60 1

CU-2 TRANE TTA090 AHU-2 ROOF 7.5 2 2 95 33.0 45 208 3 60 1

CU-3 TRANE TTA072 AHU-3 ON-GRADE 6.0 2 2 95 23.0 30 208 3 60 2

GENERAL NOTES:

A. ALL CHW AND HW PIPING RUNOUTS ARE 3/4" EXCEPT FC-7. FC-7 CHW RUNOUTS ARE 1", HW RUNOUTS ARE 3/4".

B. ALL UNITS HAVE 4 ROW COOLING COILS AND 1 ROW HEATING COILS.

C. HEATING COILS ARE IN THE REHEAT POSITION.

NOTES:

1. PROVIDE 2" DEEP PLEATED MERV 8 FILTER. FILTER LENGTH AND WIDTH TO MATCH NECK SIZE.

5

NOTES:

1. PROVIDE UNIT AS A PART OF ALTERNATE #1 ONLY.

2. AIR HANDLING UNIT IS SERVED BY EXISTING CONDENSING UNIT TO REMAIN. RE-USE EXISTING REFRIGERANT LINES AND RE-CHARGE AS REQUIRED.

3. PROVIDE HOT WATER COIL AT DISCHARGE OF UNIT.

NOTES:

1. PROVIDE MOTORIZED DAMPER AND INTERLOCK WITH FAN OPERATION.

2. PROVIDE FAN AS A PART OF ALTERNATE #1 ONLY.

1

NOTES:

1. PROVIDE UNIT AS A PART OF ALTERNATE #1 ONLY.

2. PROVIDE UNIT AS A PART OF BASE BID.

lrqpfab=^fo=rkfq=p`ebarib

TAG MANUFACTURERMODEL

NUMBER SERVING

SUPPLY FAN

OUTSIDEAIRFLOW

(CFM)

EXHAUST/RELIEF FAN ENTHALPY WHEEL SENSIBLE WHEEL COOLING COIL HYDRONIC HEATING COIL ELECTRIC DATA

WEIGHT(LBS)

DESIGNAIRFLOW

(CFM)ESP

(IN WC)

MOTORSIZE(HP)

DESIGNAIRFLOW

(CFM)ESP

(IN WC)MOTOR SIZE

(HP)

OUTDOOR AIR EXHAUST AIR OUTDOOR AIR EXHAUST AIR

TOTALCAPACITY

(BTUH)

SENSIBLECAPACITY

(BTUH)

EAT LAT

EWT(°F)

LWT(°F)

FLOWRATE(GPM)

MAXWPD

(FT WC)

SENSIBLECAPACITY

(BTUH)EAT(°F)

LAT(°F)

EWT

(°F)LWT(°F)

FLOWRATE(GPM)

MAXWPD

(FT WC)MCA(A)

MOCP(A)

SERVICE

DESIGNAIRFLOW

(CFM)

SUMMER WINTER

DESIGNAIRFLOW

(CFM)

SUMMER WINTER

DESIGNAIRFLOW

(CFM)

SUMMER

DESIGNAIRFLOW

(CFM)

SUMMER

DB(°F)

WB(°F)

DB(°F)

WB(°F) (V) (PH) (HZ)

EAT LAT EAT LAT EAT LAT EAT LAT EAT LAT EAT

DB(°F)

WB(°F)

DB(°F)

WB(°F)

DB(°F)

DB(°F)

DB(°F)

WB(°F)

DB(°F)

WB(°F)

DB(°F)

DB(°F)

DB(°F)

WB(°F)

DB(°F)

WB(°F)

DB(°F)

WB(°F)

OAU-1 SEMCO EPD-05 THIRD AND FOURTH FLOOR 2,970 1.50 5 2,970 2,535 1.50 5 2,970 83.9 78.5 63.7 62.9 23.4 52.3 2,535 52.8 79.0 77.9 74.5 59.2 29.0 2,970 49.8 49.3 68.8 57.2 2,535 75.0 62.5 331,600 128,200 83.9 78.5 49.2 49.2 44 54 65 27.7 150,900 23.0 70.0 180 160 15.3 4.3 53.8 60 208 3 60 8,600

OAU-2 SEMCO EPD-03 SECOND FLOOR 2,325 1.25 5 2,325 1,485 1.25 5 2,325 83.9 78.5 68.5 66.8 23.4 43.9 1,485 51.0 51.0 80.8 67.6 53.8 27.4 2,325 49.8 49.3 64.2 55.4 1,485 75.0 62.5 254,100 98,600 83.9 78.5 48.8 48.8 44 54 50 13.7 124,300 23.0 70.0 180 160 12.5 4.3 53.8 60 208 3 60 7,900

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

GENERAL NOTES:A. SCHEDULED RELIEF AND OUTSIDE AIRFLOW DO NOT INCLUDE AN ALLOWANCE FOR LEAKAGE IN ENTHALPY WHEELS. FINAL RELIEF FAN SELECTION AND OUTSIDE AIRFLOW SHALL INCLUDE THESE AIRFLOWS.B. PROVIDE FACTORY-INSTALLED SINGLE-POINT POWER CONNECTION.C. SCHEDULED PERFORMANCE IS AT THE WORST CASE OF DESIGN DRY BULB (95°F DB/75.5°F WB) AND DESIGN DEHUMIDIFICATION (82.7°F DB/78.5°F WB). UNIT SHALL BE CAPABLE OF DELIVERING DESIGN SUPPLY AIR CONDITIONS (70°F, 52 GRAINS/LB) AT BOTH CONDITIONS.

AD-02

- - - - - - -

AD-02

AD-02

AD-02

S

S

S

S

S

M1.7

4

M1.7

3

M1.7

2

M1.7

1

REFER TO DRAWING M1.1

FOR CONTINUATION.

REMOVE EXISTING CONDENSING UNIT AND

ALL ASSOCIATED REFRIGERANT PIPING.

EXISTING CONDENSING

UNIT TO REMAIN.

EX 6"

EX 6"

EX 1 1/4" D

EX 1 1/2" D

EX 1 1/2" D

EX 1 1/2" D

EX 1 1/4" D

EX 1 1/2" D

EX 1 1/4" D

EX 1 1/2" DEX 1 1/4" D

EX 1 1/4" D

EX 1 1/2" D

EX 1 1/4" D

EX 1 1/2" D

EX 1 1/2" D

EX 1 1/4" D

EX 1 1/2" D

EX 1 1/2" D

EX 1 1/2" D

EX 1 1/4" DEX 1 1/4" D

REMOVE EXISTING

TEMPERATURE

SENSOR.

AD-02

REMOVE EXISTING

TEMPERATURE

SENSOR.

AD-02

REMOVE EXISTING

TEMPERATURE

SENSOR.

AD-02

REMOVE EXISTING

TEMPERATURE

SENSOR.

REMOVE EXISTING

TEMPERATURE

SENSOR.

AD-02

AD-02

SEAL

SONP. FORS

Y

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PROJECT NO:

DATE:

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ON

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70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

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AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

TT

E, N

C 2

8277

4/2

4/2

02

0 8

:07

:12

AM

FIRST FLOOR

DEMOLITION

PLAN

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

7330

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PR

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592385

APRIL 6, 2020

1/8" = 1'-0"

FIRST FLOOR DEMOLITION PLAN

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

1

1

1

1

1

1

1

1

1

1

111

1 1

1 1 1 1 1 1 1

1

1

1

1

1 1

1

1

1

1

1 1 1

111

1

2 3

4

5

EX 3"

EX 3"

EX 3"

EX 3"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/2"

EX 1 1/2"

EX 1 1/4"

EX 1 1/4"

6

7

7

6 6

8

EX 20x8

EX 16x10

EX 36x12

EX 24x12

EX 14x10 EX 24x8

EX 12x6

EX 14x8EX 8x8

EX 20x6

EX 1 1/2"EX 1 1/2"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"EX 1 1/4"

EX 2"EX 2"

EX 1 1/4"EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/2"

EX 1 1/2"

EX 1 1/4"

EX 1 1/4"

9

SEAL

SONP. FORS

Y

037569

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ENG INEE

R4/6/20


PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

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E, N

C 2

8277

4/2

4/2

02

0 8

:07

:24

AM

SECOND FLOOR

DEMOLITION

PLAN

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

7330

M1.2

PR

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592385

APRIL 6, 2020

1/8" = 1'-0"

SECOND FLOOR DEMOLITION PLAN

KEYNOTES

APPLICABLE TO THIS DRAWING

1 REMOVE EXISTING FAN COIL UNIT AND ALL ASSOCIATED HYDRONIC

PIPING AND CONTROLS. EXISTING CONDENSATE LINE TO REMAIN

FOR FUTURE USE.

2 EX 24x14 UP TO THIRD FLOOR.

3 EX 36x12 UP TO THIRD FLOOR.

4 EX 6" CHWS & CHWR DOWN TO FIRST FLOOR AND EX 4" CHWS &

CHWR UP TO THIRD FLOOR.

5 EX 3" HWS & HWR UP TO THIRD FLOOR.

6 CAP EXISTING DUCTWORK AT FLOOR PENETRATION.

7 CAP EXISTING TAPS AT WALL PENETRATION.

8 CAP DUCTWORK.

9 EXISTING NEGATIVE PRESSURE FAN TO REMAIN.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

1

1

1

1

1

1

11111

1 1 1

1

1 1

1

1

1

1

1

1

1

1

1 1 1

1111

1

1

2

3

4

5

EX

34x10

EX 16x8

EX 26x10EX 12x10

EX

12x10

EX

10x10

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 3"

EX 3"

EX 2"

EX 2"

EX 1 1/4"EX 1 1/4"EX 1 1/4"EX 1 1/4"

EX 1 1/4"EX 1 1/4"

EX 1 1/4"

EX 1 1/4" EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"EX 1 1/4"EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

EX 1 1/4"EX 1 1/4"

EX 1 1/4"

EX 1 1/4"

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02AD-02

AD-02

SEAL

SONP. FORS

Y

037569

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L

ENG INEE

R4/6/20


PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

TT

E, N

C 2

8277

4/2

4/2

02

0 8

:07

:33

AM

THIRD FLOOR

DEMOLITION

PLAN

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

7330

M1.3

PR

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23

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592385

APRIL 6, 2020

1/8" = 1'-0"

THIRD FLOOR DEMOLITION PLAN

KEYNOTES


1 REMOVE EXISTING FAN COIL UNIT AND ALL ASSOCIATED HYDRONIC

PIPING AND CONTROLS. EXISTING CONDENSATE LINE TO REMAIN

FOR FUTURE USE.

2 EX 24x14 DOWN TO SECOND FLOOR AND EX 24x24 UP TO FOURTH

FLOOR.

3 EX 36x12 DOWN TO SECOND FLOOR AND EX 36x16 UP TO FOURTH

FLOOR.

4 EX 3" HWS & HWR DOWN TO SECOND FLOOR AND UP TO FOURTH

FLOOR.

5 EX 3" CHWS & CHWR DOWN TO SECOND FLOOR AND UP TO FOURTH

FLOOR.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

1

2

3

3

4

EX

36x28

EX

34x34

EX 2 1/2"

EX 2 1/2"EX 3"

EX 3"

EX HWP-1

EX BOILER EX BOILER

AD-02

5

AD-02

REFER TO DRAWING M1.1

FOR CONTINUATION.

EX 6"

EX 6"

EX CHWP-1

EX AIR SEPARATOR

TO REMAIN.

EX 6" CHWR

EX 6" CHWS

EX 6" CHWS

EX 3" CHWS

EX 3" CHWS

EX CH-1 EX CH-2

AD-02

EX EXPANSION

TANK TO REMAIN.

AD-02

5

AD-02

SEAL

SONP. FORS

Y

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PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

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AR

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8277

4/2

4/2

02

0 8

:07

:33

AM

MECHANICAL

ROOM

DEMOLITION

PLANS

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

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C 2

7330

M1.5

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592385

APRIL 6, 2020

1/4" = 1'-0"

PENTHOUSE DEMOLITION PLAN1/8" = 1'-0"

MECHANICAL ROOM DEMOLITION PLAN

KEYNOTES


1 REMOVE EXISTING AIR HANDLING UNIT AND ALL ASSOCIATED PIPING

AND CONTROLS.

2 EX 58x18 DOWN TO FOURTH FLOOR.

3 EX 3" HWS & HWR DOWN TO FOURTH FLOOR.

4 EX 3" CHWS & CHWR DOWN TO FOURTH FLOOR.

5 PERFORM PRE-CONSTRUCTION TESTING FOR PUMP PRIOR TO ANY

DEMOLITION WORK. REFER TO SPECIFICATION 014520 FOR

REQUIREMENTS.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

AD-02

1

1

AD-02

AD-02

AD-02

AD-02

AD-02

2

3

33

EX-EF-7

EX-EF-6

EX-EF-3

EX-EF-2

AD-02EX-EF-4 EX-EF-5

EX-EF-10

4

4

SEAL

SONP. FORS

Y

037569

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L

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R4/6/20


PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

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AT

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, S

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E 4

25 •

CH

AR

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8277

4/2

4/2

02

0 8

:15

:55

AM

ROOF

DEMOLITION

PLAN

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

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. SA

NF

OR

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7330

M1.6

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592385

APRIL 6, 2020

1/8" = 1'-0"

ROOF DEMOLITION PLAN

KEYNOTES


1 ALTERNATE NO. 1 ONLY: REMOVE EXISTING CONDENSING UNIT AND

REFRIGERANT PIPING. EXISTING SUPPORTS SHALL REMAIN FOR

FUTURE USE.

2 REMOVE EXISTING EXHAUST FAN.

3 REMOVE EXISTING EXHAUST FAN AND CAP ROOF CURB PER DETAIL.

4 EXISTING TO REMAIN.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

AD-02

S

S

S

S

S

M3.1

1

M3.1

2

M3.1

3

M3.1

4

CU-3

EXISTING CONDENSING

UNIT TO REMAIN.

AD-02

AD-02

TO AHU-1

TO AHU-1

TO AHU-3AD-02

SEAL

SONP. FORS

Y

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PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

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AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

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E, N

C 2

8277

4/2

4/2

02

0 8

:07

:37

AM

FIRST FLOOR

PLAN -

DUCTWORK

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

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M2.1.1

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APRIL 6, 2020

1/8" = 1'-0"

FIRST FLOOR PLAN - DUCTWORK

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

SH

SH

SH S

H

SHSHSH

S H

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

S H

S HS H

SH

SH

SH

SH

SH

SH

SH

SH

SH S

H

SH

LOBBY

201

STAIR

200L

WIC

202

CONFERENCE

ROOM

203

OFFICE

204

OFFICE

205

STORAGE

211

EXAM ROOM

209

VESTIBULE

212

TOILET

210

OFFICE

208

STORAGE

213

CORRIDOR

200B

RECEPTION

218

INTERVIEW

ROOM

219

STORAGE

221

OFFICE

220

CORRIDOR

200A

EXAM ROOM

289

TOILET

291

TOILET

292

TOILET

293

VESTIBULE

294

OFFICE/LACTATION

252

NURSES OPEN

OFFICE

270

OFFICE

272

STAIR

298

WAITING

232

INTERVIEW

ROOM

231

INTERVIEW

ROOM

229

EXAM ROOM

233

TOILET

234

EXAM ROOM

236

STORAGE

237

NURSES

STATION

240

LAB

239

NEGATIVE

PRESSURE

EXAM ROOM

241

STAIR

314

EXAM ROOM

244

TOILET

245

EXAM ROOM

246

EXAM ROOM

247

TOILET

248

STORAGE

249WIC STORAGE

282

OFFICE

281

STORAGE

280

KITCHEN

285 BREAK ROOM

286

WOMEN

288

MEN

287

CORRIDOR

200C

CONFERENCE

ROOM

279

HEALTH DEPT

DIRECTOR

283

OFFICE

284

STAIR

300L

STORAGE

300P

FC-7 FC-1 FC-6

S1

80

S1

30

S2

150

S1

45

FC-4

FC-2

S1

30

FC-1

S1

956ø

12x10

6ø

6x8

10x10

8x6

S1

30

FC-1

S1

30

S1

30

FC-2 FC-4 FC-1

S1

30

FC-1

FC-4FC-4FC-5

6ø6ø

FC-2

S1

30

10x8

S1

30

FC-1

6ø

6ø

S1

30

FC-1

FC-4

S2

135

S1

30

FC-2

FC-4

FC-1

FC-3

FC-2

S1

100

FC-1 FC-4

FC-2

S2

115

FC-6 FC-4 FC-2

S1

30

S1

30

S1

95

S1

45

FC-6

6ø

6ø

8x8

6ø

S1

50

FC-5FC-4

S1

30

FC-1S1

30

6ø

8x6

12x8

8x8

FC-1

S1

50

6ø

FC-2

S1

30

6ø

8ø

FC-2

S1

30

S1

30

14x8

6ø

6øS1

30

FC-2

6ø

6ø

S1

30

FC-2

S2

185

S1

50

FC-1

FC-4

S1

30

6ø

R1

685

S2

200

S2

135

S2

200

S1

75

S1

75

22x8

18x8

8ø

6ø

8ø

6ø

8x10

8ø

FC-8

1

18x18

20x12 20x8

EX 24x8EX 14x8

EX 16x10

6ø

8x6

6ø

8ø

E2

75

E1

75

EX 8x6

E3

25

E2

90

8x812x8

6x6

12x6

6x6

12x6

34x8

16x6

6x6

E3

40

E2

120

12x6

14x8

8x8

EX-H

140

EX-F

70

EX-F

70

34x8 14x8

8x6

6x8

8x6

6x8

12x8

6x6

6x6

8x8

EX-F

70

EX-F

70

EX-G

75

E4

100 E3

25

E4

60

E3

25

8x8

6ø

6ø

8ø

EX-1

70

8x6

6x6

EX-E

70

EX-F

70

EX-M

40

EX-M

40

EX-M

40

EX-M

40

E1

70

6x6

2

EX-2

400

AD-02EX 8x4

EX 10x10

EX 18x10

EX 10x10

S2

185

6ø

12x8

6ø

8ø

S2

185 8ø

AD-02

EX-G

180EX-G

180

3

6ø

6ø

4

4

4

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

24x12

5

SEAL

SONP. FORS

Y

037569

TH

JA

CAROLINA

HTRO

N

PR

OFESSIONA

L

ENG INEE

R4/6/20


PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

TT

E, N

C 2

8277

4/2

4/2

02

0 8

:07

:41

AM

SECOND FLOOR

PLAN -

DUCTWORK

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

7330

M2.2.1

PR

OJ

EC

T #

59

23

85

-V

OL

UM

E T

WO

592385

APRIL 6, 2020

1/8" = 1'-0"

SECOND FLOOR PLAN - DUCTWORK

KEYNOTES


1 18x18 UP TO THIRD FLOOR.

2 CONTRACTOR TO VERIFY EXISTING EXHAUST IN THIS SPACE AND

CONNECT TO EXHAUST SYSTEM AS NECESSARY.

3 EXISTING NEGATIVE PRESSURE FAN TO REMAIN.

4 6" DOWN TO GRILLE WITH MANUAL BALANCING DAMPER IN VERTICAL.

5 20x12 UP TO THIRD FLOOR.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

AD-02

SH

SH

SH S

H

SHSHSH

S H

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

S H

S HS H

SH

SH

SH

SH

SH

SH

SH

SH

SH S

H

SH

LOBBY

201

STAIR

200L

WIC

202

CONFERENCE

ROOM

203

OFFICE

204

OFFICE

205

STORAGE

211

EXAM ROOM

209

VESTIBULE

212

TOILET

210

OFFICE

208

STORAGE

213

CORRIDOR

200B

RECEPTION

218

INTERVIEW

ROOM

219

STORAGE

221

OFFICE

220

CORRIDOR

200A

EXAM ROOM

289

TOILET

291

TOILET

292

TOILET

293

VESTIBULE

294OFFICE/LACTATION

252

NURSES OPEN

OFFICE

270

OFFICE

272

STAIR

298

WAITING

232

INTERVIEW

ROOM

231

INTERVIEW

ROOM

229

EXAM ROOM

233

TOILET

234

EXAM ROOM

236

STORAGE

237

NURSES

STATION

240

LAB

239

NEGATIVE

PRESSURE

EXAM ROOM

241

STAIR

314

EXAM ROOM

244

TOILET

245

EXAM ROOM

246

EXAM ROOM

247

TOILET

248

STORAGE

249

WIC STORAGE

282

OFFICE

281

STORAGE

280

KITCHEN

285

BREAK ROOM

286

WOMEN

288

MEN

287

CORRIDOR

200C

CONFERENCE

ROOM

279

HEALTH DEPT

DIRECTOR

283

OFFICE

284

STAIR

300L

STORAGE

300P

Room

323

OFFICE

300E

FC-1

FC-4

FC-2

FC-2

FC-1

FC-4 FC-5 FC-6

FC-2FC-4FC-6

FC-1

FC-2

FC-3FC-1

FC-2

FC-1 FC-4

FC-4

FC-4

FC-1

FC-1

FC-2

FC-1FC-4FC-2FC-4FC-4FC-5

FC-7 FC-1 FC-6

FC-4

FC-2

FC-1

FC-1 FC-1

FC-2

FC-2

FC-2

3" CHWS

3" CHWR

3" HWS

3" HWR

1 1/4" HWR

1 1/4" HWS

1 1/2" CHWR

1 1/2" CHWS

1 1/4" HWR

1 1/4" HWS

1 1/4" CHWR

1 1/4" CHWS

1 1/4" HWR

1 1/4" HWS

1 1/4" CHWR

1 1/4" CHWS

1" HWR

1" HWS

1 1/4" CHWR

1 1/4" CHWS

1 1/4" HWR1 1/4" HWS

1 1/4" CHWR

1 1/4" CHWS

1" HWR

1" HWS

1 1/4" HWR

1 1/4" HWS

2 1/2" CHWR

2 1/2" CHWS1 1/2" CHWR

1 1/2" CHWS

2" CHWS

2" CHWR

1 1/4" HWR

1 1/4" HWS

1 1/2" CHWR

1 1/2" CHWS

1" HWR

1" HWS

1 1/2" D

1" HWR

1" HWS

1" CHWR

1" CHWS

1 1/4" HWR1 1/4" HWS

1 1/4" CHWR

1 1/4" CHWS

1 1/4" HWR

1 1/4" HWS

1 1/4" CHWR

1 1/4" CHWS

1 1/2" D

1 1/2" D

1 1/2" D

1 1/2" D

1 1/2" D

1 1/2" D

1

2

1

1

1

1

3

4

5

3

4

3

5

3433

3534

5

3

5

3

4

4

5

33

3

4

5

5

5

4

54545353

3 4 5 4 3 4 5 3

3 5

5

5

3

4

4

45

FC-8

67

TOILET

241A

88

AD-02

88

AD-02

88

AD-02

88

AD-02

88

AD-02

AD-02AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

SEAL

SONP. FORS

Y

037569

TH

JA

CAROLINA

HTRO

N

PR

OFESSIONA

L

ENG INEE

R4/6/20


PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

TT

E, N

C 2

8277

4/2

4/2

02

0 8

:07

:54

AM

SECOND FLOOR

PLAN - PIPING

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

7330

M2.2.2

PR

OJ

EC

T #

59

23

85

-V

OL

UM

E T

WO

592385

APRIL 6, 2020

1/8" = 1'-0"

SECOND FLOOR PLAN - PIPING

GENERAL NOTES

A. ALL CONDENSATE PIPING SIZE 1 1/4" EXCEPT WHERE INDICATED.B. ALL PIPING SHOWN SERVES FAN COILS ON THIS LEVEL AND THE THIRD LEVEL (M2.3.2)

KEYNOTES


1 CONDENSATE UP AND DOWN.

2 CONDENSATE DOWN TO FIRST FLOOR.

3 PIPING UP AND DOWN TO FAN COIL.

4 PIPING UP TO FAN COIL.

5 PIPING DOWN TO FAN COIL.

6 3" HWS & HWR UP TO THIRD FLOOR.

7 6" CHWS & CHWR DOWN TO FIRST FLOOR. 4" CHWS & CHWR UP TO

THIRD FLOOR.

8 MANUAL ISOLATION VALVES.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

AD-02

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH S

H

SH

SH

SH

SH

S H

SH

SH

SH

S H

SH

SH

SH

S H

SH

SHS

H

SH

SH

SH S

H

S H

S H

SH S

H

SH

STAIR

21

OFFICE

387

MEN

205

STORAGE

33

OFFICE

307

STORAGE

57

STAIR

64

OFFICE

306

OFFICE

310

LOBBY

302

OFFICE

304

STORAGE

308

OFFICE

312

STAIR

52

OFFICE

332

OFFICE

356

STAIR

37

TAX DEPT

RECORDS

362OFFICE

360

STORAGE

357

CORRIDOR

63

CORRIDOR

300B

Room

20

IT STORAGE

44

CORRIDOR

300C

IT

SUPPLY/STORAGE

327

IT STORAGE

329

MDF

333

STORAGE

333A

OFFICE

331

OFFICE

320

IT

TRAINING/STORAGE

378

OFFICE

380

OFFICE

386

OFFICE

383

OFFICE

385

OFFICE

309OFFICE

305OFFICE

59

OFFICE

328

KITCHEN

207

WOMEN

206

CORRIDOR

300D

STORAGE

382

VESTIBULE

379

WOMEN

381

WOMEN

315

MEN

316

OFFICE

355A

OFFICE

355B

OFFICE

326

BREAK

208

FC-4 FC-3 FC-2 FC-3 FC-6 FC-4

FC-6FC-3FC-2FC-5FC-5

FC-4

FC-3

FC-4

FC-2 FC-4

FC-2

FC-1

FC-1

FC-2

FC-3

FC-4 FC-4 FC-7

FC-6FC-3FC-7FC-6

FC-2

FC-2

FC-5

FC-5

FC-2

FC-3

FC-4

FC-3FC-2

S3

30

S3

30

S3

30

S3

30EX-B

50

S3

30

S3

30

S3

30

S1

30

S1

30

6ø

6ø

6ø

S1

30

6x6

S1

30

S1

30

6ø

6ø

S3

45

6x6

S1

30

S1

30

S3

30

EX-B

50

6ø

6x6

S3

30

S3

30

S3

30

6ø

OFFICE

303

EX-A

50

S1

30

S1

30

S1

30

S1

30

S1

30

S1

100

S1

30

S1

30

S1

30

S1

35

EX

34x10

EX 16x8

EX 26x10

EX

12x10

EX

10x10

EX 12x10

6ø

6ø

8x8

6ø 6ø

6ø

6x8

6ø

6ø 6ø6ø

11

EX-C

50

EX-C

50EX-B

75EX-B

75

EX-D

30

EX-F

70

EX-H

140

EX-F

70

EX-C

50

EX-C

50

EX-D

70

EX-D

70

EX-D

70

FC-1

E2

170

E2

135

12x6

12x6

E3

25

E3

25

6x6

6x6

E1

25

6x8

6x6E1

25

6x6

6x6

6x6

6x6

E1

25

E1

25

E1

25

E1

25

6x6

6x6

6x6

6x6

6x8

E3

55

E3

80

E1

40

6x66x6

6x6

E1

25

E1

25

6x6

6x8

6x6

E1

55

E3

25

6x6 6x6

6x6

E3

25

10x10

16x10

10x8

AD-02

2

3

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02AD-02

AD-02AD-02

AD-02

SEAL

SONP. FORS

Y

037569

TH

JA

CAROLINA

HTRO

N

PR

OFESSIONA

L

ENG INEE

R4/6/20


PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

TT

E, N

C 2

8277

4/2

4/2

02

0 8

:07

:58

AM

THIRD FLOOR

PLAN -

DUCTWORK

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

7330

M2.3.1

PR

OJ

EC

T #

59

23

85

-V

OL

UM

E T

WO

592385

APRIL 6, 2020

1/8" = 1'-0"

THIRD FLOOR PLAN - DUCTWORK

KEYNOTES


1 18x18 UP TO FOURTH FLOOR AND DOWN TO SECOND FLOOR.

2 EX 24x24 UP TO FOURTH FLOOR.

3 EX 36x16 UP TO FOURTH FLOOR.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

AD-02

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH S

H

SH

SH

SH

SH

S H

SH

SH

SH

S H

SH

SH

SH

S H

SH

SHS

H

SH

SH

SH S

H

S H

S H

SH S

H

SH

STAIR

21

OFFICE

387

MEN

205

STORAGE

33

OFFICE

307

STORAGE

57

STAIR

64

OFFICE

306

OFFICE

310

LOBBY

302

OFFICE

304 STORAGE

308

OFFICE

312

STAIR

52

OFFICE

332

OFFICE

356STAIR

37

TAX DEPT

RECORDS

362OFFICE

360

STORAGE

357

CORRIDOR

63

CORRIDOR

300B

Room

20

IT STORAGE

44

CORRIDOR

300C

IT

SUPPLY/STORAGE

327

IT STORAGE

329

MDF

333

STORAGE

333A

OFFICE

331

OFFICE

320

IT

TRAINING/STORAGE

378

OFFICE

380

OFFICE

386

OFFICE

383

OFFICE

385

OFFICE

309

OFFICE

305 OFFICE

59

OFFICE

328

KITCHEN

207

WOMEN

206

CORRIDOR

300D

STORAGE

382

VESTIBULE

379

WOMEN

381

WOMEN

315

MEN

316

OFFICE

355A

OFFICE

355B

OFFICE

326

BREAK

208

Room

16

FC-7FC-4

FC-4

FC-6FC-7 FC-3 FC-6

FC-2

FC-1

FC-1

FC-2

FC-4

FC-4

FC-3

FC-4

FC-6FC-3FC-2FC-5FC-5

FC-4 FC-3 FC-2 FC-3 FC-6

FC-2

FC-2

FC-5

FC-2

FC-3

FC-3

FC-5

FC-4

FC-1

FC-2

FC-3

FC-2

FC-4

3" CHWS

3" CHWR

2" HWS

2" HWR

1 1/4" HWR

1 1/4" HWS

1 1/4" CHWR

1 1/4" CHWS

1 1/4" HWR

1 1/4" HWS

2" CHWR

2" CHWS

2" HWR

2" HWS

2" CHWR

2" CHWS

1" CHWS

1" CHWR

3/4" HWS

3/4" HWR

1 1/4" HWR

1 1/4" HWS

1 1/4" CHWR

1 1/4" CHWS

3/4" CHWS

3/4" CHWR

3/4" HWS

3/4" HWR

1 1/4" CHWS

1 1/4" CHWR1 1/4" HWS

1 1/4" HWR

1 1/4" HWR

1 1/4" HWS

1 1/4" CHWR

1 1/4" CHWS

3/4" HWR

3/4" HWS3/4" CHWR

3/4" CHWS

3/4" HWR

3/4" HWS

3/4" CHWR

3/4" CHWS

1 1/4" HWR1 1/4" HWS

1 1/4" CHWS

1 1/4" CHWR

1 1/4" CHWS

1 1/4" CHWR

1 1/4" HWS

1 1/4" HWR

3/4" HWS

3/4" HWR

3/4" CHWR

3/4" CHWS

1 1/4" CHWS

1 1/4" CHWR

1 1/4" HWS

1 1/4" HWR

3/4" HWR

3/4" HWS1" CHWR

1" CHWS

1 1/4" HWR

1 1/4" HWS

1 1/4" CHWR

1 1/4" CHWS

3/4" HWR

3/4" HWS

3/4" CHWR

3/4" CHWS

1 1/2" D

1 1/2" D

1 1/2" D

1 1/2" D

1 1/2" D

1 1/2" D

1 1/2" D

1 1/2" D

1 1/4" D

1

2

3

3

3

33

3

4

5

66

AD-02 66

AD-02

66

AD-02

66

AD-02

6666

AD-02

AD-02

AD-02

AD-02AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

SEAL

SONP. FORS

Y

037569

TH

JA

CAROLINA

HTRO

N

PR

OFESSIONA

L

ENG INEE

R4/6/20


PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

TT

E, N

C 2

8277

4/2

4/2

02

0 8

:08

:06

AM

THIRD FLOOR

PLAN - PIPING

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D,

NC

273

30

M2.3.2

PR

OJ

EC

T #

59

23

85

-V

OL

UM

E T

WO

592385

APRIL 6, 2020

1/8" = 1'-0"

THIRD FLOOR PLAN - PIPING

GENERAL NOTES

A. ALL PIPING FOR FAN COILS ON THIS LEVEL SHOWN ON SECOND FLOOR PLAN (M2.2.2).B. ALL CONDENSATE PIPING SIZE 1 1/4" EXCEPT WHERE INDICATED.C. ALL PIPING SHOWN SERVES FAN COILS ABOVE ON FOURTH FLOOR PLAN (M2.4.2).

KEYNOTES


1 CONDENSATE UP AND DOWN.

2 CONDENSATE DOWN TO SECOND FLOOR.

3 CONDENSATE DOWN TO FIRST FLOOR.

4 3" HWS & HWR DOWN TO SECOND FLOOR AND UP TO FOURTH

FLOOR.

5 3" CHWS & CHWR DOWN TO SECOND FLOOR. 3" CHWS & CHWR UP TO

FOURTH FLOOR.

6 MANUAL ISOLATION VALVES.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

AD-02

SH

SH

SH

SH

SH

SHS

H

S H

S H SH S

H

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

S H

SH

SH

SH

SH

S H

SHS

H

SH

S H S H

S H

S H

S H

SH S

H

SH

STORAGE

2

OFFICE

485

STORAGE

460

CORRIDOR

400E

SERVER

15

CLOSET

14

STAIR

12

JANITOR

435

STAIR

3

STORAGE

424

CHILD

SERVICES

VISITATION

427

OFFICE

435A

OFFICE

483

OFFICE

458

OFFICE

431A

OFFICE

433A

OFFICE

403

OFFICE

405

OFFICE

402

OFFICE

404

ELEVATOR

LOBBY/VENDING

401

OFFICE

410OFFICE

460A

OFFICE

462

OFFICE

476A

VESTIBULE

479B

JANITOR

477

VESTIBULE

481B

WOMEN

481A

MEN

479A

OFFICE

428A

OFFICE

430A

OFFICE

409

CORRIDOR

13OFFICE

417

Room

400D

OFFICE

411 OFFICE

413

OFFICE

415

CORRIDOR

407

OFFICE

439

OFFICE

461

OFFICE

459

OFFICE

466

OFFICE

464

OFFICE

478A

OFFICE

406

OFFICE

408

OFFICE

412

OFFICE

414

STAIR

1

OFFICE

437A

CORRIDOR

400C

OFFICE

434A

OFFICE

432A

STORAGE

480

OFFICE

484

Room

486

OFFICE

426OFFICE

457

IT

455

OFFICE

455A

CORRIDOR

400B

OFFICE

419

FC-4 FC-4 FC-7 FC-2

S1

30

S1

30

S1

30

S1

30

6ø

6x8

6ø 6ø

S1

105

8x8

6ø

S1

30

FC-7 FC-5FC-5 FC-2

S1

30

S1

30

S1

30

6x8

10x10

6x6

S1

30

FC-2

FC-1

FC-7

S1

30

14x10

6x8

FC-1

6ø

6ø

S1

30

S1

30

FC-3

S1

30

FC-5 FC-2

S1

30

FC-1

S1

30

8x6

6ø

6ø

S1

30

FC-4 FC-1

FC-5

S1

90

6ø 6ø

S1

30

S1

30

FC-3

S1

30

FC-3

FC-4

S1

30

6ø

6ø

6ø

FC-3

S1

30

FC-4

S1

30

6ø6ø

6ø

FC-4

S1

30

FC-4FC-5

FC-4

S1

30

6ø

6øS1

30

FC-3

FC-2

S1

30

6ø

6øS1

30

FC-7

FC-5

S1

30

6ø 6ø

6ø S1

30

S1

30

FC-4FC-3

FC-4

6x8

S1

30

FC-4

FC-4

8x8

10x10

10x10

FC-5

FC-4 FC-1

FC-1S1

30

S1

30

S1

30

FC-6 FC-4

S1

30

FC-2

S1

30

8x6

6ø

6ø

6ø

S1

30

FC-2 FC-6FC-7

FC-7S1

30

S1

30

S1

55 6x8

8x8

6x8

6ø

6x8

6ø

S1

30

FC-7

18x18

18x18

EX

58x12

EX 36x12

1

2

3

44

55

EX-E

60

EX-H

280

EX-H

210

E3

25

E3

55

6x6

6x6

6x6

E3

55

E4

135

E3

25

6x6

8x8

E3

25

E3

80

6x6

6x6

8x106x8

10x10

16x10

6x6

E3

25

E3

55

E3

25

E3

25E3

25 E3

80

6x6

6x6

6x6

8x10

8x8 10x8

6x6

6x6

10x10

18x12

E3

25

12x10

22x12

6x6

6

6

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

SEAL

SONP. FORS

Y

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PROJECT NO:

DATE:

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70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

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E, N

C 2

8277

4/2

4/2

02

0 8

:08

:10

AM

FOURTH FLOOR

PLAN -

DUCTWORK

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

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M2.4.1

PR

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APRIL 6, 2020

1/8" = 1'-0"

FOURTH FLOOR PLAN - DUCTWORK

KEYNOTES


1 EX 36x16 DOWN TO THIRD FLOOR AND EX 58x18 UP TO PENTHOUSE.

2 EX 36x28 UP TO PENTHOUSE.

3 EX 24x24 DOWN TO THIRD FLOOR.

4 18x18 UP TO PENTHOUSE.

5 18x18 DOWN TO THIRD FLOOR.

6 6" DOWN TO GRILLE WITH MANUAL BALANCING DAMPER IN VERTICAL.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

AD-02

SH

SH

SH

SH

SH

SHS

H

S H

S H SH S

H

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

SH

S H

SH

SH

SH

SH

S H

SHS

H

SH

S H S H

S H

S H

S H

SH S

H

SH

STORAGE

2

OFFICE

485

STORAGE

460

CORRIDOR

400E

SERVER

15

CLOSET

14

STAIR

12

JANITOR

435

STAIR

3

STORAGE

424

CHILD

SERVICES

VISITATION

427

OFFICE

435A

OFFICE

483

OFFICE

458

OFFICE

431A

OFFICE

433A

OFFICE

403

OFFICE

405

OFFICE

402

OFFICE

404

ELEVATOR

LOBBY/VENDING

401

OFFICE

410

OFFICE

460A

OFFICE

462

OFFICE

476A

VESTIBULE

479B

JANITOR

477

VESTIBULE

481B

WOMEN

481A

MEN

479A

OFFICE

428A

OFFICE

430A

OFFICE

409

CORRIDOR

13

OFFICE

417

Room

400D

OFFICE

411

OFFICE

413

OFFICE

415

CORRIDOR

407

OFFICE

439

OFFICE

461

OFFICE

459

OFFICE

466

OFFICE

464

OFFICE

478A

OFFICE

406

OFFICE

408

OFFICE

412

OFFICE

414

STAIR

1

OFFICE

437A

CORRIDOR

400C

OFFICE

434A

OFFICE

432A

STORAGE

480

OFFICE

484

Room

486

OFFICE

426

OFFICE

457

IT

455

OFFICE

455A

CORRIDOR

400B

FC-4

FC-4

FC-4

FC-5

FC-7

FC-3

FC-1

FC-2

FC-4

FC-1

FC-2FC-5FC-7FC-5

FC-4 FC-4 FC-7 FC-2 FC-5 FC-2 FC-4 FC-1

FC-5

FC-3

FC-4

FC-3

FC-4

FC-4

FC-4

FC-4

FC-3

FC-3

FC-7

FC-7

FC-7 FC-6

FC-2

FC-4FC-6FC-1

FC-1

FC-4

FC-1FC-2

FC-7

FC-3

FC-5

FC-5

FC-2OFFICE

419

1

2

AD-02 AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

AD-02

SEAL

SONP. FORS

Y

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ENG INEE

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PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

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E, N

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8277

4/2

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02

0 8

:08

:13

AM

FOURTH FLOOR

PLAN - PIPING

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D,

NC

273

30

M2.4.2

PR

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592385

APRIL 6, 2020

1/8" = 1'-0"

FOURTH FLOOR PLAN - PIPING

GENERAL NOTES

A. ALL PIPING FOR FAN COILS ON THIS LEVEL SHOWN ON THRID FLOOR PLAN (M2.3.2).B. ALL CONDENSATE PIPING SIZE 1 1/4" EXCEPT WHERE INDICATED.

KEYNOTES


1 3" HWS & HWR DOWN TO THIRD FLOOR AND UP TO PENTHOUSE.

2 3" CHWS & CHWR DOWN TO THIRD FLOOR AND UP TO PENTHOUSE.

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

HWP-2

HWP-2

VFD

OAU-2

OAU-1

CONNECT TO LOUVER. REFER

TO ARCHITECTURAL DRAWINGS.

EX BOILER EX BOILER

18x18

18x18

16x16

16x16

20x18

20x20

20x18

CONNECT TO

EXISTING

LOUVER.

1 1/2" HWR

1 1/2" HWS

2" CHWR

2" CHWS

1 1/2" HWS

1 1/2" HWR

2 1/2" CHWR

2 1/2" CHWS

3" HWS & HWR DOWN

TO FOURTH FLOOR.

3" CHWS & CHWR DOWN

TO FOURTH FLOOR.

3" HWR

3" HWS

3" CHWR

3" CHWS

18x18 DOWN TO

FOURTH FLOOR.

EX 36x28

DOWN TO

FOURTH

FLOOR.

EX 36x28

EX 34x34

EX 58x18 DOWN TO

FOURTH FLOOR.AD-02

EX HWP-1

AD-02

HWP-1

VFD

EX EXPANSION

TANK TO REMAIN.

EXTEND EQUIPMENT

PAD AS REQUIRED

FOR INSTALLATION

OF AIR HANDLING

UNIT. MATCH

CONSTRUCTION OF

EXISTING PAD.

REFER TO DRAWING M2.1.2

FOR CONTINUATION.

CHWP-2

CHWP-2

VFD

EX CH-1 EX CH-2

6" CHWR

6" CHWS

EX CHWP-1

CHWP-1

VFD

AD-02

EX EXPANSION

TANK

SEAL

SONP. FORS

Y

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R4/6/20


PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

TT

E, N

C 2

8277

4/2

4/2

02

0 8

:08

:14

AM

MECHANICAL

ROOM FLOOR

PLANS

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

7330

M2.5

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APRIL 6, 2020

1/4" = 1'-0"

PENTHOUSE ENLARGED PLAN1

1/8" = 1'-0"

MECHANICAL ROOM FLOOR PLAN2

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

CU-1

CU-2

COORDINATE EXACT LOCATION

WITH EXISTING UNIT.

COORDINATE EXACT

LOCATION WITH

EXISTING UNIT.

EX-EF-3

EX-EF-6

F-3

AD-02

EXISTING NEGATIVE

PRESSURE FAN TO REMAIN.

EX-EF-7

AD-02

AD-02

AD-02

SEAL

SONP. FORS

Y

037569

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PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

TT

E, N

C 2

8277

4/2

4/2

02

0 8

:08

:17

AM

ROOF PLAN

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D, N

C 2

7330

M2.6

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APRIL 6, 2020

1/8" = 1'-0"

ROOF PLAN

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

BEAM CLAMP (TYP)

STRUCTURAL

STEEL BEAMS

VIBRATION ISOLATOR(TYP OF 4)

FLEX CONNECTION

1/2" DIA

THREADED ROD

SUPPLY DUCTRETURN DUCT

AUXILIARY DRAIN PAN REFER TO

AUXILIARY DRAIN PAN MOUNTING DETAIL

CONDENSATE DRAIN

DOUBLE NUT (TYP)

STEEL CHANNEL SUPPORT(UNISTRUT) DESIGNED BYCONTRACTOR

FC-XX

DOUBLE SLOPE UNIT

AND DRAIN PAN PER

MANUFACTURER'S

REQUIREMENT

1 1/2"

WASHER

SECURE ROD TO

UNISTRUT WITH

DOUBLE NUTS

ELASTOMER

BUSHING

STEEL CHANNEL SUPPORT(P1000 UNISTRUT OR EQUAL)

18 GAUGE GALVANIZED

STEEL, LAP CORNERS

AND WELD SOLID TO

PROVIDE WATERTIGHT

CONSTRUCTION.

PROVIDE FLOAT

SWITCH/MOISTURE

SENSOR. SENSOR

SHALL DISABLE UNIT

ON DETECTION OF

MOISTURE3/8" THREADED RODTO STRUCTURE TYP OF 4

NOTE: EXTEND DRAIN PAN A MINIMUM OF

3" PAST EQUIPMENT ON ALL SIDES.

R-20 INSULATION

1"x1" PPT WOOD

BLOCKING ATTACHED

TO ONE SIDE OF

CURB FOR SLOPE

SEAL CAP

WATER TIGHT

PPT 2x4 - CENTER IN

CURB AND FASTEN

EACH END

EXISTING ROOF

CURBROOF

20 GAUGE SHEET METAL

SHELF FOR INSULATION.

BREAK MINIMUM 3" LIP

ON ALL SIDES AND

SECURE TO CURB BELOW

ROOF DECK MINIMUM 6".

CONTINUOUS DOUBLE

BEAD OF SEALANT AT

CURB PERIMETER

FASTEN CAP TO CURB W/FLAT HEAD EMBEDDEDSCREWS @ 6" OC

CONTINUOUS PVC ROOF

OVER ROOF AND SHEET

METAL CAP

20 GAUGE GALVANIZED

SHEET METAL CAP SLOPED

OVER 3/4" PPT PLYWOOD -

HEM EDGESSLOPE DOWN

1/4" PER FOOT

bibs^qflk=sfbt

RETURN AIR

SU

PP

LY

FA

N

HOT WATER

HEATING COIL

DIRECT

EXPANSION

COOLING COIL

FILTERS

SUPPLY AIR SUPPLY AIR

4' -

10"

3' -

8"

SU

PP

LY

FA

N

FILTERS

HO

T W

AT

ER

HE

AT

ING

CO

IL

DIR

EC

T E

XP

AN

SIO

N C

OO

LIN

G C

OIL

5' -

0"

9' - 6"

mi^k=sfbt

AD-02

AD-02

bibs^qflk=sfbt

RETURN AIR

SU

PP

LY

FA

N

HOT WATER

HEATING COIL

DIRECT

EXPANSION

COOLING COIL

FILTERS

SUPPLY AIR SUPPLY AIR

3' -

11 1

/4"

2' -

9"

SU

PP

LY

FA

N

FILTERS

HO

T W

AT

ER

HE

AT

ING

CO

IL

DIR

EC

T E

XP

AN

SIO

N C

OO

LIN

G C

OIL

5' -

0"

9' - 6"

mi^k=sfbt

AD-02

AD-02

bibs^qflk=sfbt=J l^rJO

SU

PP

LY

FA

N

iltbo=ibsbi=mi^k=sfbt

EX

HA

US

T F

AN

SE

NS

IBL

E W

HE

EL

HO

T W

AT

ER

HE

AT

ING

CO

IL

CH

ILL

ED

WA

TE

R

CO

OLIN

G C

OIL

TO

TA

L E

NE

RG

Y W

HE

EL

7' -

2 1

/4"

14' - 1"

FILTER

FILTER

rmmbo=ibsbi=mi^k=sfbt

SU

PP

LY

FA

N

TO

TA

L E

NE

RG

Y W

HE

EL

HO

T W

AT

ER

HE

AT

ING

CO

IL

7' -

6 1

/4"

14' - 1"

FILTER

SE

NS

IBLE

WH

EE

L

CH

ILL

ED

WA

TE

R

CO

OLIN

G C

OIL

1' - 8"

2' -

0"

2' -

0"

1' - 8"

RETURN AIR

SUPPLY AIR

EXHAUST AIR

OUTSIDE AIR

bibs^qflk=sfbt=J l^rJO

SU

PP

LY

FA

N

TO

TA

L E

NE

RG

Y W

HE

EL

HO

T W

AT

ER

HE

AT

ING

CO

IL

9' -

6 1

/4"

14' - 1"

FILTER

SE

NS

IBLE

WH

EE

L

CH

ILLE

D W

AT

ER

CO

OLIN

G C

OIL

FULL SIZE

TO DRAIN

BOILER

AGA

APPROVED

GAS TRAIN

EXISTING HOUSEKEEPING PAD

TO DRAIN

FULL SIZE 8"

LONG DRIP LEG

FLOOR

P

HOT WATER

IN

FLUE

HOT WATER

OUT

SEAL

SONP. FORS

Y

037569

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PROJECT NO:

DATE:

PH

ON

E (

70

4)

54

0-3

755

F

AX

(7

04

) 5

40

-375

4

A

B

C

D

E

1 2 4 53 6 7 8 9 10

F

G

H

I

J

6210 A

RD

RE

Y K

ELL R

OA

D •

TH

E H

UB

AT

WA

VE

RLY

, S

UIT

E 4

25 •

CH

AR

LO

TT

E, N

C 2

8277

4/2

4/2

02

0 1

:20

:41

PM

DETAILS

CO

UR

TS

CO

MP

LE

X A

ND

GO

VE

RN

ME

NT

CE

NT

ER

LE

E C

OU

NT

Y R

EN

OV

AT

ION

S

106

HIL

LC

RE

ST

DR

. SA

NF

OR

D,

NC

273

30

M5.2

PR

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APRIL 6, 2020

FAN COIL UNIT DETAIL (FC-XX) AUXILIARY DRAIN PAN MOUNTING DETAILEXISTING ROOF CURB CAP DETAIL

AHU-1 LAYOUT - ALTERNATE NO.1 ONLY AHU-2 LAYOUT - ALTERNATE NO.1 ONLY

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

OAU-1 & OAU-2 LAYOUT

AD-02

BOILER PIPING DIAGRAM

AD-02

MM

MM

M

M

MM

bu=ètmJN ètmJO

A

CHILLED WATER

SUPPLY

SPD

AI bu=èJN

bu=èJO

^foJ`lliba=èfiibop

P

A

N

E

L

P

A

N

E

L

VFD

SPD

AO

ALM

BI

SS

BO

SPD

AI

VFD

SPD

AO

ALM

BI

SS

BO

TS

AI

TS

AI

EX AIR

SEPARATOR

ALM

BI

STS

BI

PMP

BI

CHILLED WATER

RETURN

SS

BO

DAT

AO

CH-1 DISCHARGE SET POINT.

ALM

BI

STS

BI

PMP

BI

SS

BO

DAT

AO

CH-2 DISCHARGE SET POINT.

POS

AO

POS

AO

EX EXPANSION

TANK

EX MECHANICAL

ROOM WALL

POS

AI

POS

AI

PLACE IN SHADE ORPROVIDE SUN SHIELD(TYPICAL OF 2)

TS

AI

RH

AI

VSD

SPD

AO

SS

BO

ALM

BI

ALM

BI

EXHAUST

FAN

OUTDOOR AIR

FILTER

DRAIN PAN WATER LEVEL

DETECTION DEVICE

ALM

BI

POS

BI

DM

BO

M

END SWITCH

CLOSED

AF

AI

SP

AI

STATIC PRESSURE SENSOR TO

ACT AS A LOW STATIC LIMIT

RETURN AIR

RH

AI

TS

AI

R

SD

ALM

BI

SUPPLY AIR

RH

AI

TS

AI

SP

AI

STATIC PRESSURE

SENSOR LOCATED

DOWNSTREAM OF

SUPPLY FAN TO

ACT AS A HIGH

STATIC LIMIT

HO

T W

AT

ER

HE

AT

ING

C

OIL

POS

AO

POS

AI

FO

ALM

BI FREEZESTAT

SE

NS

IBLE

ON

LY

WH

EE

L

ATS

AI

CH

ILL

ED

WA

TE

R

CO

OLIN

G C

OIL

POS

AO

POS

AI

FO

ALM

BI FREEZESTAT

CSR VSD

SPD

AO

SS

BO

ALM

BI

ALM

BI

TO

TA

L E

NE

RG

Y R

EO

CV

ER

Y W

HE

EL

CSR VSD

SPD

AO

SS

BO

ALM

BI

ALM

BI

VSD

SPD

AO

SS

BO

ALM

BI

ALM

BI

EXHAUST AIR

SUPPLY

FAN

FILTER

POS

BI

DM

BO

M

END SWITCH

CLOSEDPOS

BI

DM

BO

M

END SWITCH

CLOSED

CHILLED WATER COIL

SPACE TEMPERATURE SENSOR

HOT WATER COIL

SPACE RELATIVE HUMIDITY SENSOR.

FAN

MOTOR

SS

BO

ALM

BI

POS

AI

POS

AO

POS

AI

POS

AO

TS

AI

RH

AI

CSR

WATER LEVEL

DETECTION

DEVICE

ALM

BI

SPD

AI

VFD

SPD

AO

ALM

BI

SS

BO

bu=etmJN

A

SPD

AI

VFD

SPD

AO

ALM

BI

SS

BO

EX AIR

SEPARATOR

EX EXPANSION

TANK

bu=_JN bu=_JO

etmJO

HOT WATER RETURN

HOT WATER SUPPLY

TS

AI

TS

AI

BACNET

INTERFACE

BACNET

INTERFACE

FILTER

HOT WATER

HEATING COIL

DX

CO

OLIN

G C

OIL

RETURN AIR

CONDESING UNIT

SUPPLY FANR

ELIE

F/E

XH

AU

ST

AIR

M

POS

AI

DM

AO

ATS

AI

D-2,

FO

ENB

BO

STS

BI

CSR

OUTDOOR

AIR

AFMSAF

AI

R SDALM

BI

STATIC PRESSURE SENSOR

LOCATED DOWNSTREAM OF SUPPLY

FAN TO ACT AS A HIGH STATIC LIMIT

MPOS

AI

DM

AOD-1,

FO

ALM

BI

DRAIN PAN WATER LEVEL

DETECTION DEVICE

SU

PP

LY

AIR

SP

AI

TS

AI

CSR

SS

BO

ALM

BI

POS

AOPOS

AI

FO

RETURN

FAN

SS

BO

ALM

BICSR

MPOS

AI

DM

AOD-3,

FO

TS

AIZONE TEMPERATURE SENSOR #1

TS

AIZONE TEMPERATURE SENSOR #2

NOTE: IF ALTERNATE #1 IS NOT ACCEPTED, BAS CONTRACTOR SHALL TIE IN EXISTING SCHNEIDER

ELECTRIC OR ROBERTSHAW CONTROLS TO NEW BAS SYSTEM FOR MONITORING AND CONTROL.

SPACE TEMPERATURE SENSOR

TS

AI

SUPPLY AIR

FAN

SS

BO

TS

AI

SPLIT AIR

HANDLING UNIT

SPLIT SYSTEM

OUTDOOR UNIT

ALM

BI

DRAIN PAN OVERFLOW

HOT WATER HEAT

HO

T W

AT

ER

HE

AT

ING

CO

IL

POS

AO

POS

AI

FO

RETURN AIR

RE

LIE

F/E

XH

AU

ST

AIR

M

POS

AI

DM

AO

D-2,

FO

OUTDOOR

AIR

AFMSAF

AI

RSDALM

BI

MPOS

AI

DM

AOD-1,

FO

RETURN

FAN

SS

BO

ALM

BICSR

MPOS

AI

DM

AOD-3,

FO

ENB

BO

STS

BI

CSR

NOTE: IF ALTERNATE #1 IS NOT ACCEPTED, BAS CONTRACTOR SHALL

TIE IN EXISTING SCHNEIDER ELECTRIC OR ROBERTSHAW CONTROLS

TO NEW BAS SYSTEM FOR MONITORING AND CONTROL.

OU

TD

OO

R A

IR

RETURN AIR

TS

AI

SUPPLY AIR

FAN

SS

BO

SPLIT SYSTEM AIR

HANDLING UNIT

SPLIT SYSTEM

OUTDOOR UNIT

SS

BO

ALM

BI

DRAIN PAN OVERFLOW

MPOS

AI

DM

AO

M

POS

AI

DM

AO

R SDALM

BI

AFMSAF

AI

NOTE: IF ALTERNATE #1 IS NOT ACCEPTED, BAS CONTRACTOR SHALL TIE IN EXISTING SCHNEIDER

ELECTRIC OR ROBERTSHAW CONTROLS TO NEW BAS SYSTEM FOR MONITORING AND CONTROL.

FAN

MOTOR

SS

BO

EXHAUST AIR

ALM

BI

CSR

M

FAN

ROOF

BOILER

HOT WATER

IN

HOT WATER

OUT

TS

AI

TS

AI

CSR

SS

BO

ALM

BI

BACNET

INTERFACE

SEAL

SONP. FORS

Y

037569

TH

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HTRO

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ENG INEE

R4/6/20


PROJECT NO:

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592385

APRIL 6, 2020

CHILLED WATER SYSTEM SCHEMATIC

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

OUTDOOR AIR SENSORS

OUTDOOR AIR UNIT - OAU-1 & 2FAN COIL UNITS

HOT WATER SYSTEM SCHEMATIC

AD-02

SPLIT-SYSTEM AIR HANDLING UNIT - AHU-1/CU-1, AHU-2/CU-2

SPLIT SYSTEM AIR HANDLING UNIT WITH HOT WATER HEAT (AHU-3) SPLIT SYSTEM AIR HANDLING UNIT (AHU-A)

EXHAUST FAN - F-3

BOILER (B-1, B-2, B-3)

PMCC

HWP-2

HWP-2VFD

PA

1

OAU-2 OAU-1

F-3 2

AD-02

CAROLINA

HTRO

N

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OFESSIONAL

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ENG I N EER

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040202

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04/06/20

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PROJECT NO:DATE:

PH

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1 2 4 53 6 7 8 9 10

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9 P

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PENTHOUSE -

MECHANICAL

POWER PLAN

CO

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CO

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592385APRIL 6, 2020

1/8" = 1'-0"

PENTHOUSE MECHANICAL POWER PLAN1

1 REPLACE EXISTING 200A, 208V, 3PH, 3W FEDERAL PACIFIC MOTOR CONTROL CENTERWITH A 200A MCB, 208V, 3PH, 3W PANELBOARD. MAKE CONNECTIONS AS REQUIRED TOMAINTAIN FEED-THRU CIRCUITING TO PANEL "PA" AND BRANCH CIRCUIT FOR EXISTINGHOT WATER PUMP.

2 RECONNECT MECHANICAL EQUIPMENT TO EXISTING BRANCH CIRCUIT.

REPRESENTED BY n

APPLIES TO THIS SHEET

KEYNOTES

REVISIONS

DATE DESCRIPTION

04/24/20 AD-02

DIV 23 ELECTRICAL CONNECTION SCHEDULE E2.5

TAG VOLTAGE#

POLES LOAD PANEL CCT# WIRE DISCONNECTING MEANS REMARKS

HWP-2 208 V 3 3.8 kVA PMCC 7,9,11 (3) #12, (1) #12 E.G. IN 3/4"C INSTALL VFD FURNISHED BY DIV 23

OAU-1 208 V 3 15.5 kVA PMCC 1,3,5 (3)#6, (1)#10 E.G. IN 1"C BY DIV 23

OAU-2 208 V 3 15.5 kVA PMCC 2,4,6 (3)#6, (1)#10 E.G. IN 1"C BY DIV 23

MISCELLANEOUS 0 VA 0.00% 0 VA

HVAC 7640 VA 100.00% 7640 VA

ELECTRIC HEAT 0 VA 0.00% 0 VA Total Est. Demand... 107 A

AC / HEAT PUMP 31000 VA 100.00% 31000 VA Total Conn. Current: 107 A

RECEPTACLES 0 VA 0.00% 0 VA Total Est. Demand: 38.6 kVA

EXTERIOR LIGHTING 0 VA 0.00% 0 VA Total Conn. Load: 38.6 kVA

INTERIOR LIGHTING 0 VA 0.00% 0 VA

Load Classification Connected Load Demand Factor Estimated Demand Panel Totals

(GE) = PROVIDE GFCI BREAKER FOR EQUIPMENT, 6-50mA PER NEC 427.22 DED. NEUTRAL.(GP) = PROVIDE GFCI BREAKER FOR PERSONNEL, 4-6mA PER NEC 210.8. DED. NEUTRAL.(L) = PROVIDE LOCKOUT BREAKER TO PREVENT UNAUTHORIZED SWITCHING.(LC) = ROUTE TO LOAD VIA LIGHTING CONTACTOR, REF DETAIL ON DWG E4.X.(ML) = PROVIDE BREAKER WITH MAINTENANCE LOCKOUT, LOCKABLE OFF.

107 A 107 A 107 A

13 kVA 13 kVA 13 kVA

41 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 42

39 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 40

37 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 38

35 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 36

33 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 34

31 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 32

29 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 30

27 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 28

25 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 26

23 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 24

21 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 22

19 20 A 1 SPARE 0.0 0.0 SPARE 1 20 A 20

17 0.0 0.0 18

15 0.0 0.0 16

13

20 A 3 SPARE

0.0 0.0

SPARE 3 20 A

14

11 1.3 1.3 12

9 1.3 1.3 10

7

20 A 3 HWP-2

1.3 1.3

EX HWP-1 3 20 A

8

5 5.2 5.2 6

3 5.2 5.2 4

1

60 A 3 OAU-1

5.2 5.2

OAU-2 3 60 A

2

CKT BRKR POLE LOAD A B C LOAD POLE BRKR CKT

225 AMP MCB 120/208 Wye 3 PH 4 W MOUNT: SURFACE PANEL ASSEMBLY RATED (KAIC): 10 KAIC

PANELBOARD SCHEDULE PMCC LOCATION: FED FROM:

AD-02

AD-02