building management system.pdf

8/9/2019 Building Management System.pdf

1/24

www.eng-mep.com TECHNICAL SPECIFICATIONS

www.Eng-mep.com Building Management System

SECTION 16975

BUILDING MANAGEMENT SYSTEM (BMS)

PART 1 - GENERAL

1.01 SUMMARY

A.

Section Includes: Work of this section consist of installing of all materials furnishedunder this section including all equipment, labor, services and incidental item requiredto complete work as shown on drawings and specified in this section.

1. A fully integrated building, automation and control system (BACS), UL listed,

incorporating direct digital control technology where applicable, equipmentmonitoring and control including color graphic workstations. System majorelements include, without being limited to, the following:

a) Computer based processing units.

b) Personal computer operator workstations.

c)

Data storage units.

d) Stand alone Data terminal units.

e) Data communication units.

f)

Stand alone Remote control units.

g) Portable operator’s terminals.

h) Data interface units.

i)

Communication cable.

j)

System software.

1.02 RELATED WORK

A. The following divisions contain requirements that relate to this section:

1.

Division 14 Conveying System.

2. Division 15 Mechanical.

3. Division 16 Electrical.

1.03 SCOPE OF WORK


2/24



A.

General: all materials and/or equipment, necessary for proper operation of thesystems, not specified or described herein are to be deemed part of the Specification.Perform the work under this section and provide all labor, materials, services,equipment and accessories necessary to furnish and install all instrumentation and

equipment as indicated by the Electrical & Mechanical Drawings and/or as required bythe Specification, which without limiting the generality thereof, consists of thefollowing:

1. Master Control Communication Station: to be located in the central controlroom where shown on the Drawings and to be the primary operator’s positionfor the systems being monitored and controlled. From this position theoperator is to monitor and control all systems of the Building (pumps,ventilation control, fans, smoke detection, switch-gear, unit sub-stations,lighting control, etc..) via a communication network at a minimum of 16Kbaud communication speed.

2.

Secondary Station: to be located as required by the Engineer.

3. Field Processing Unit (FPU): to monitor and control all functions specified onthe function list. Field Procession Units or controllers (FPU) are to be of thepreprogrammed and/or programmable type of appropriate number ofinput/output points for the specified application.

4. Interfacing Panels to enable connection to physical control points viatransducers, signal conditions, interposing relays and the like.

5. Instrumentation, including sensors/transducers, transformers, sensing piping,tubing as required.

6.

Field wiring conducting communication trunks from DDC/FPU back to centralprocessors in addition to interconnections between processors peripherals,etc. to yield a complete system. This to include power supply connection fromnearest emergency panels/substations.

7.

Shop drawings, as-built drawings, instruction manuals, source codeprogramme listing and all other documentation as required.

8. Testing and commissioning of installations to take over.

B. BMS supplier shall furnish the following programs as part of the system :

1.

Supervisory workstation software as specified for monitoring and control.License for ten users or more and installed on five separate workstations.

2. One complete set of software programs that has the full feature to programall quoted controllers and the graphic workstation, including programdownload and upload from controllers. License for two users or more andinstalled on two different workstations.

3. Software program to check the operation of all quoted controllers both viaphysical connection to a controller and by using simulation software to mimiccontroller operation. License for two users or more and installed on twodifferent workstations.


3/24



4.

Portable operator terminal software application that allows the use of a laptopas an interface to all types of quoted controllers. License for two users ormore and installed on two different workstations.

5.

All other software designed and provided by the BMS manufacturer andrequired for modification or implementation of control logics, graphics, andaddition/deletion of points for future usage of available spares and systemexpansion.

6. All required software programs shall be the manufacturer's latest releasedversions at the time of system handing over and shall be licensed uniquelythis project. For each required software, two copies of the installation CD's ordiskettes shall be provided.

1.04 SYSTEM DESCRIPTION

A.

Building Automation and Control System: Distributed process control systemconsisting of central control, central communications, and remote control systems tomonitor and control but not limited to the following building systems:

1.

Plumbing systems controls.

2. HVAC.

3. Systems control.

4. Smoke control.

5.

Fire alarm and detection.

6. Security and access control systems.

7. Fire protection system.

8.

Power supply.

9. Fuel oil systems.

10. Irrigation system.

B. The communication method between the different components of the BACS system

shall be LONMARK Compatible system should also support the "BACNET" Building Automation and Control Networking Protocol as per ASHRAE Standard 135-95. Allsystems shall be compatible with the above standard protocol as applicable.

C. General Product Description:

1.

The Building Automation and Control System (BACS) shall integrate multiplebuilding functions including equipment supervision and control, alarmmanagement, energy management and historical data collection.

2. The system shall be modular in nature and shall permit expansion of bothcapacity and functionality through the addition of sensors, actuators, field

processing units (FPU’s), Application Specific Controllers and operator devices.


4/24



3.

System architectural design shall eliminate dependence upon any singledevice for alarm reporting and control execution. Each FPU shall operateindependently by performing its own specified control, alarm management,operator I/O and data collection. The failure of any single component or

network connection shall not interrupt the execution of control strategies atother operational devices.

4.

FPU’s shall be able to access any data from, or send control commands andalarm reports directly to, any other FPU or combination of FPU’s on thenetwork without dependence upon a central processing device. FPU’s shallalso be able to send alarm reports to multiple operator workstations withoutdependence upon a central processing device.

1.05 SCHEDULE OF CONTROL FUNCTIONS

A.

Schedule of control functions included in the Drawings or in this Specification is for

the control and monitoring functions related to HVAC, Plumbing and Electrical Works.Contractor should refer to the control sequence shown on drawings and all equipmentspecified for this project and should generate his own point schedule during tenderphase and should not in any means claim for additional price during the execution ofthe project.

1.06 DESIGN REQUIREMENTS

A. Design central processing unit with modular system architecture to allow expansion ofprocessor memory and addition of application software programs, terminal units, andcentral memory units.

B.

Minimum System Configuration:

1. Accommodate input and output points, building systems data base, andfunctions specified and allow for 20% additional input/output points andrelated expanded data base, without modifying system hardware or software.

C.

Future System Expansion:

1. Design system to be expanded to accommodate 50% additional input/outputpoints and related expanded data base, without modifying system hardwareor software. Design application software programs and system data base tobe transportable to expanded central processing unit if required toaccommodate specified future expansion.

1.07 QUALIFICATIONS

A. Manufacturer and installer to have an office staffed with factory trained engineers andtechnicians fully capable of providing instructions, routine maintenance andemergency maintenance service on all system components.

B.

Manufacturer and installer to have at least 10 years experience in design andinstallation of computerized building systems similar to performance to that specifiedherein and to provide evidence of experience as condition of acceptance andapproval.

C.

Supplier to have an in-place support facility within 100 km of the site with spare partsinventory and all necessary test and diagnostic equipment.


5/24



1.08 QUALITY ASSURANCE

A. All electronic equipment shall conform to the requirements of FCC Regulation, Part 15,

Section 15, Governing Radio Frequency Electromagnetic Interference and be solabeled.

B.

BACS shall comply with UL 916 PAZX and 864 UDTZ and be so listed at the time ofbid. All equipment used in system is to bear appropriate UL listing label/mark toensure compliance.

C. Systems conforming to other equivalent international regulatory requirements will beaccepted. The burden of proof for equivalent is on the Contractor.

1.09 SUBMITTALS

A.

Submit in accordance with the Contract Documents.

B. Shop Drawings: Indicate system configuration; interconnection wiring diagrams;location, data characteristics, range and units for each input and output point; logicdiagram for each type of control routine; programming and operating reference forprocessing unit operating system; programming and operating reference for eachapplication and programming language provided.

C. Product Data: Provide for each component, including sensors, control drives andelements, plug-in circuit boards, and enclosed equipment units. Include cabinetdimensions, weights, and support point locations for each item of enclosedequipment.

D.

Design Data: Indicate basis of optimization algorithms.

E. Manufacturer’s Installation Instructions: Indicate installation instructions.

F.

Manufacturer’s Certificate: Certify system meets or exceeds listing requirements ofUnderwriters Laboratories, Inc. for fire alarm and security equipment.

G. Submit software provider’s license agreement stating limits on use, copying, andtransferring software.

H. Manufacturer’s Field Reports: Indicate acceptance of component and equipmentinstallation, interconnecting wiring, and weekly progress on installation and start-up

of system software.

I. Where installation procedures, or any part thereof, are required to be in accordancewith the recommendations of the manufacturer of the material being installed, printedcopies of these recommendations shall be furnished to the Engineer prior toinstallation. Installation of the item will not be allowed to proceed until therecommendations are received.

J. P & I or process flow diagrams: to be completed for each system and submitted forapproval.

K. Technical Data Sheets: control and instrumentation technical data sheets (TDS) to be

prepared for each advice.


6/24



L.

Loop Diagrams: control and instrument loop diagrams prepared and furnished for allinstrument systems. Typical diagrams are not permitted. Loop diagrams are to beunique for each loop.

M.

Equipment Installation Plans: to indicate location of instrument junction boxes,individual field instruments, transmitter racks, and routing of cable duct from junctionboxes to respective remote processing units and back to Central Control Room. This isto be accompanied by a list of control points connected by each FPU, with indicationof related control functions. Interfacing provided is to be listed; these are to begrouped as per standard sub-module size of digital and analog input/output boards,comprising similar requirements; such as interposing relays amplifiers, leveltranslators, etc..

N. Operating Consoles: drawings detailing operating consoles, instrument panel layoutsand dimensions and control room plans.

O.

Instrument Installation: detail drawings for each field installation are to be furnished.Details are to include but are not limited to instrument piping details, transmitter rackdetails and pipe mounted equipment installation details.

P.

Logic Diagrams detailing the operational logic are to be completed for the digitalbinary operations. In addition to these drawings, operational logic descriptions are tobe prepared detailing the sequence of operation and operational constraints andlimitations.

Q. Instrument schedule listing all devices to be keyed to instrument loop number anddevice numbers.

R.

Instrument Schedule to provide a comprehensive data source indicating where allspecific information may be found for each service. Schedule to include not onlybalance of plant equipment but also that equipment furnished as part of packagedsystems and is to be noted as such.

S.

Prior to procurement of equipment submit for approval the following drawings anddocuments:

1. Process and instrumentation flow diagrams.

2. Equipment Specifications and completed technical data sheets.

3. Control logic diagrams and logic descriptions.

4.

Input/output points charts for every processing unit.

T. Prior to start of system installation and construction submit for approval the followingdrawings and documents:

1.

Shop drawings for valves, dampers, transducers, transmitters, signalconditioners, indicators, recorders, miscellaneous instruments, centraloperator processing unit, consoles and ancillary.

2. Control loop diagrams.

3.

Electrical elementary diagrams.


7/24



4.

Instrument installation plans.

5. Detailed panel diagrams.

6.

Point to point wiring diagrams.

7. Instrument schedule, including processing unit panel termination/interface.

U. Prior to commencing start-up activities the following documents to be submitted forapproval:

1. System construction inspection procedures.

2. Points calibration procedures.

3.

Calibrated control checkout procedures.

4. Plant operational system test procedures.

5. Operator and maintenance personnel training curriculum.

V.

Prior to system acceptance and turnover and as a condition of system acceptance, thefollowing documents are to be submitted in four copies in accordance with contractrequirements.

1. System user manual.

2. Systems maintenance manual including Specifications of each piece ofequipment, trouble-shooting charts, and preventing maintenance instructions,technical data sheet for each instrument referenced for each application.

3. As-built drawings including equipment outlined dimension drawings,equipment wiring and or piping connection drawing.

4.

Complete supplementary information about software and hardware of systemsupplied. This to include:

a) system block diagram (hardware)

b) software “functional” flow diagram

c)

memory map of all units

d) specific tasks performed by each processor, especially where adistributed processing architecture is provided. These are to beclearly indicated in functional form.

e)

source and object lists of software program

1.10 DELIVERY, STORAGE AND HANDLING

A. Deliver, store, protect and handle products to site under provisions of the Contract

Documents.


8/24



B.

Accept products on site and verify damage.

C. Protect products from construction operations, dust and debris by storing inconditioned space.

1.11 MAINTENANCE SERVICE

A.

Furnish service and maintenance of building management system for one year fromDate of Substantial Completion.

B. Include installation of software revisions issued during maintenance service period.

1.12 SPARE PARTS

A.

As soon as practicable after approval of materials and equipment and, if possible, notlater than 4 months prior to the date of beneficial use, submit spare parts data for

each different item of equipment furnished. Data to include a complete source ofsupply, a list of parts and supplies that are either normally furnished at no extra costwith the purchase of the equipment, or specified hereinafter as EXTRA MATERIALS tobe furnished as part of the Contract; and a list of additional items recommended bythe manufacturer to assure efficient operation for a period of 360 days at theparticular installation. The foregoing is not to relieve the Contractor of anyresponsibilities under the guarantee condition.

1.13 EXTRA MATERIALS

A. Provide special tools required for maintenance.

B.

Provide two of each plug-in circuit board.

C. Provide 1000 sheets of continuous form paper.

PART 2 - PRODUCTS

2.01 ACCEPTAB:E MANUFACTURERS

A. Honeywell

B. Or approved equal.

2.02 NETWORKING COMMUNICATIONS

A. The design of the BACS shall network operator workstations and stand-alone FPU’s.

B.

Access to system data shall not be restricted by the hardware configuration of theBuilding Management System. The hardware configuration of the BACS network shallbe totally transparent to the user when accessing data or developing controlprograms.


9/24



1.

Operator workstations and FPU’s shall directly reside on a network such thatcommunications may be executed directly between FPU’s, directly betweenworkstations and between FPU’s and workstations.

2.

Network design shall include the following provisions:

a) Provide high-speed data transfer rates for alarm reporting, quickreport generation from multiple controllers and upload/downloadefficiency between network devices. System performance shallinsure that an alarm occurring at any FPU is displayed atworkstations and/or alarm printers within 5 seconds.

b) Support of any combination of FPU’s and operator workstationsdirectly connected to the network.

c)

Message and alarm buffering to prevent information from being lost.

d) Error detection, correction and retransmission to guarantee dataintegrity.

e)

Synchronization of real-time clocks.

C. Telecommunication Capability:

1. Auto-dial/auto-answer communications shall be provided to allow FPU’s tocommunicate with remote operator stations and/or remote terminals on anintermittent basis via telephone lines, as indicated in the sequence ofoperations.

2.

Provide all necessary hardware and software for remote communications withall remote processors, back-up processors and all operator input/outputperipheral devices.

2.03 CENTRAL PROCESSING

A. BACS hardware to be totally solid-state using computer oriented digital technology.System to have a fully modular architecture permitting expansion by adding computermemory, additional processing units application software, operator peripherals andfield hardware.

B. Main Station Processing Unit to be microprocessor based mini-computer, Pentium IV,

2.4 GHZ, 16 bit word, with minimum resident random access memory (RAM) capacityof 250 mega-bytes. Processor to be provided with hard disk of mass memorystorage/access, based totally on Winchester Technology, with storage capacity of atleast 40 Giga bytes.

C. Secondary Station Processing Unit to be microprocessor based mini-computer,Pentium IV, 2.4GHZ, 16 bit word, with minimum resident random access memory(RAM) capacity of 256 mega-bytes. Processor to be provided with hard disk of massmemory storage/access, based totally on Winchester technology, with storagecapacity of at least 40 Giga bytes.

D. Field Processing Unit or Controller to be distributed stand alone for control of various

unitary and terminal equipment or controls with built in network communication forintegration into the BACS system.


10/24



E.

Loading/Backup Facilities: provide as an integral of an IBM PC or compatible, allhardware required to load, reload, or backup the memory of the system and thesoftware to execute specified functions. Loading of system to be through use of high-

speed, mass storage media, such as magnetic tape cartridge or floppy diskette. Thissame media to be used for making on-line system backups and for remote historicaldata storage.

F. Data Dumpings: if FPU memory fails, the operator shall not have to manually re-entersystem data. Necessary hardware and software are to be supplied to:

1. Allow periodic dumping of operator entered data onto another storage mediaon line.

2.

Reload this data as the operator desires.

Data dumpings are not to interrupt any other system operation (such as operatorinput/output, scanning of field hardware, application software execution, etc...).

2.04 FPU/DDC CONTROLLERS

A.

Stand-alone Controllers shall be microprocessor based with a minimum word size of16 bits. They shall also be multi-tasking, multi-user, real-time, digital controlprocessors consisting of modular hardware with plug-in enclosed processors,communication controllers, power supplies and input/output point modules. Controllersize shall be sufficient to fully meet the requirements of this Specification and theattached function list.

B.

Each FPU shall have sufficient memory, to support its own operating system anddatabase.

C. Each FPU shall have a minimum of 10% spare capacity for future point connection.The type of spares shall be in the same proportion as the implemented I/O functionsof the panel, but in no case shall there be less than two spares of each implementedI/O type. Provide all processors, power supplies and communication controllerscomplete so that the implementation of a point only requires the addition of theappropriate point input/output termination module and wiring.

1. Provide sufficient internal memory for the specified control sequences andhave at least 25% of the memory available for future use.

D.

FPU shall provide at least One RS-232C serial data communication ports for operationof operator I/O devices such as industry standard printers, operator terminals,modems and potable operator’s terminals. FPUs shall allow temporary use of portabledevices without interrupting the normal operation of permanently connected modems,printers and terminals. FPU shall also support one port from communication toECHELONS LONMARK approved devices.

E.

FPUs shall provide local LED status indication for each digital input and output forconstant, up-to-date verification of all point conditions without the need for anoperator I/O device. Graduated intensity LEDs or analog indication of value shall beprovided for each analog output. Status indication shall be visible without opening thepanel door.


11/24



F.

Each FPU shall continuously perform self-diagnostics, communication diagnosis anddiagnosis of all panel components.

G. In the event of the loss of normal power non-volatile memory shall be incorporated

for all critical controller configuration data and battery backup shall be provided tosupport the real-time clock and all volatile memory for a minimum of 72 hours.

1.

Upon restoration of normal power, the Controller shall automatically resumefull operation without manual intervention.

2.05 FPU/DDC RESISDENT SOFTWARE FEATURES

A. General:

1.

All necessary software to form a complete operating system as described inthis specification shall be provided.

2. The software programs specified in this Section shall be provided as anintegral part of FPU/DDC Controllers and shall not be dependent upon anyhigher level computer for execution.

B.

The DDC programming software shall be user friendly objet oriented programminglanguage.

C. DDCs :

1. DDCs shall be of the programmable type only. Programmed, applicationspecific DDCs may be used for FCUs and VAVs only.

2.

DDCs shall communicate with each other on a peer to peer communication.Workstations shall be switched on and off without any interruption to controland monitoring sequences. DDCs shall be stand-alone in terms of operation,control, and alarming, and shall have sufficient memory to support its ownoperating system and data base.

3. Each DDC shall be able to be connected to remote input/output I/O modulesthrough a communication bus.

4. Output modules shall have override switches for each point (on/off/autoswitches for digital outputs, gradual switches for analog outputs). DDC

controllers shall monitor the status of all overrides and inform the operatorthat automatic control has been inhibited. The supervisory software shall beable to report override activity information.

5. Each DDC shall perform self diagnostics and report to the supervisoryworkstation any component failures, such as low battery condition.

6.

All Points for a given piece of equipment shall be monitored and controlledfrom one DDC, division of points related to the same equipment, chilled waterplant, heating plant, between DDCs is not allowed.

7. DDCs shall be able to perform the following algorithms:

a)

Two position control


12/24



b)

Proportional control

c) Proportional plus integral control

d) Proportional, integral, plus differential control

8.

DDCs shall use any of the following in a custom process :

a) Any system measured point data or status

b) Any calculated value

c) Any results from other processes

d)

User-defined constants

e) Arithmetic functions (+,-,*,/, square root, exp, etc.)

f) Boolean logic operators (and, or, exclusive or, etc.)

9.

Custom processes can be triggered based on time interval, time of day,events, or any combination of the above. Custom processes shall be able toincorporate measured or calculated data from any DDC on the network.

10. Trend logging.

a) Any point, physical or calculated may be designated for trending.Two methods of collection shall be allowed either by a predefinedtime interval or upon a predefined change of value, Sample intervalsof 1 minute to 7 days shall be selectable.

b) Trend data shall be uploaded to the connected Supervisoryworkstation for points for which trend logging is activated on theSupervisory software. All trend data shall be available for use with3rd party personal computer applications.

c) Display of trend data shall be selectable for the same aboveintervals. Where minimum, maximum, and average values of eachinterval are displayed.

11.

Alarms

a) All alarms shall include the point's English language name, time ofoccurrence, and an assigned alarm message. Each DDC shall be ableto store a minimum of 50 different alarm messages, each 200characters long to fully describe the alarm condition and therequired operator action. These messages shall be assigned to anynumber of points.

i. Each point shall have at least four levels of alarm.

ii. The user shall be able to define specific system reaction for

each level of alarm for any point.


13/24



iii.

Alarm levels shall be combined with user definabledestinations, such as Supervisory workstation, Printer, dial-up connection, DDC only etc or any combination of the abovedestination.

iv. Controller shall automatically inhibit the reporting of selectedalarms during system shutdown and start-up.

v. Users shall have the ability of manually inhibiting alarmreporting for any point.

12. Totalizers

a) DDCs shall automatically accumulate and store run-time hours fordigital input and output points, and shall automatically calculate andstore consumption totals, such as K Wh, gallons, tons, etc., on a

daily, weekly or monthly basis for analog and digital pulse input typepoints.

b) The totalization routine shall have a sampling time of one minute orless.

c) The user shall have the ability to define a warning limit for totalizers.Unique, user defined messages and events shall be activated whenthe limit is reached.

d) DDC's shall have the ability to count events such as the number oftimes a pump or a fan is cycled on and off.

D.

Provide one operator interface to be plugged directly to DDCs. Operator shall have aminimum LCD display of 30 characters per line and 6 lines and a fully featuredkeyboard. Provide user friendly, English language prompted interface for quick accessto system information, codes requiring look-up charts are not acceptable. Thefollowing functions shall be available from the operator interface:

1. Display all points on a DDC

2. Display trending and totalizing information

3. Command, change set-point, enable/disable any system point

2.06 PORTABLE OPERATOR’S TERMINAL (POT)

A. Provide one portable operator terminal with a minimum LCD display of 80 charactersby 25 lines and a full featured keyboard. The POT shall be handheld and plug directlyinto individual distributed control panels. Provide a user friendly, English languageprompted interface for quick access to system information, not codes requiring look-up charts.

B. If the same Portable Operator’s Terminal cannot be used for all control processors,provide separate POTs to accomplish the above functional requirements.

C. Portable operator terminal access to controller shall be password controlled.


14/24



D.

The portable operator terminal, POT, software application shall be installed on alaptop and plugged directly to DDCs. The Portable operator terminal softwareapplication shall provide the following functions :

1.

Back-up and/or restore DDC data bases

2. Display all points on a DDC

3. Display trending and totalizing information

4. Command, change set-point, enable/disable any system point

5. Load and/upload DDC logic programs.

2.07 OPERATOR PERIPHERAL DEVICES

A.

General: operator peripheral device communications, here designated as Man-Machine Interface (MMI) to be handled simultaneously through various devicesgenerally categorized as software and hardware. Each device may be connected in adirect proprietary, leased phone line, or dial-up phone line application.

B.

Standards: all peripheral devices to utilize ASCII (American Standard Code forInformation Interchange) code and to be interfaced to the processing units withstandard RS 232 port. Communication versatility is to comply with all methodspreviously specified herein.

C. Operator Station to comprise multiple operator peripheral input/output devices whichcan all be used simultaneously.

D.

Operator Access to system to be restricted by a software coding process. Systemswhich provide only manual key lock accessibility are not acceptable.

E. Printers: system printers to provide hard copy data retention of change of state,operator initiated actions, management reports, graphics and trended information.Printers which can be interfaced include the following:

1. color printer

2. receive only (RO) printer

Main control station to be provided with one color and two receive only printers.

Secondary stations to be provided with one color and one receive printer.

Provide a printer (RO) for recording alarms, operator transactions and systemsreports, meeting the following minimum requirements:

1. Wide carriage 160 character per second print speed.

2.

9 x 9 DOT matrix character structure switchable to 9 x 18 DOT matrix forletter quality output.

3. Compressed mode option for 220 characters per line.

4.

Software selectable under line, emphasized, double strike and expanded(double width) characters capability.


15/24



5.

Adjustable line spacing.

6. Adjustable tractor for 5 inch to 15 inch paper widths.

Provide an A3 inkjet type color printer for printing of graphics and any other screendisplays. Printer shall include as a minimum:

1. 80 Column tractor feed for normal use with ability to switch to friction feed ofsingle sheets of paper without any mechanical adjustments.

2. 360 x 360 Dot/inch image resolution.

3. Draft and letter quality print selection for alpha-numeric operations.

4.

32 K Buffer to store complete graphics for printing.

2.08 CATHODE RAY TUBE (CRT)

A. General: provide color Cathode Ray Tubes (CRT) with direct video capability andkeyboards to display real-time data, allow operator commands, perform data basegeneration and report system activity.

2.09 FIELD DEVICES AND CONTROLS

A.

Provide all necessary transducers, flow and level switches, pressure and temperaturesensors, transmitters, etc.. where applicable to satisfy all functions required.

B. Proof of fan operation shall be by means of air flow switches. Proof of pump operationshall be by means of water flow switches.

C.

Water temperature sensors shall be Resistance Temperature Detector (RTD) type of1000 ohm platinum, or 20,000 ohm. Sensors shall have + or - 1.0 degrees Faccuracy between 32 degrees and 212 degrees.

D. Duct temperature sensors shall be rigid stem or averaging type as specified in thesequence of operation. Water sensors shall be provided with a separable copper,monel or stainless-steel well.

E.

Water flow analog sensors shall be provided complete with flow element and shall bean all solid state precision industrial type with stainless-steel meter body, maximumerror of no more than .5% of span, and 4 to 20 ma output. Sensor shall be rated for250 psi minimum and installed in strict accordance to the manufacturer's instructionscomplete with three-valve manifold for calibration and maintenance.

F.

Kilowatt transducers shall be the integrated electronic type with accuracy of .2% ofscale. For balanced (such as motors) three phase loads, two current transformers(CTs) shall be provided and for unbalanced loads, three CTs shall be provided. Twoor three potential transformers (PTs) shall be provided as recommended by themanufacturer for the application.


16/24



G.

Analog output transducers shall be designed for precision closed loop control withpneumatic repeatability error no greater than 1 %.

H. Unless specified otherwise elsewhere, relative humidity sensors shall be capacitance

type with 10% to 90% range. Duct mounted humidity sensors shall be provided witha sampling chamber.

I.

Current sensing relays used for proof-of-loading for fans and pumps shall be suitablefor 2 to 200 amperes and shall have adjustable trip thresholds of plus or minus twopercent of range. Each relay shall be provided with an LED to allow readyobservation of the relay status.

J. Fan proof-of-flow switches shall be adjustable set point and differential pressure type.Switches shall be piped to fan discharge except where fans operate at less than oneinch WC, they shall be piped across the fan. For fractional horsepower and non-ducted fans, relays or auxiliary contacts may be used. Maximum pressure rating shall

be at least 10 inches WC.

K. Pump proof-of-flow switches shall be adjustable differential pressure or flow type asspecified in the sequence of operation or data point summary. Devices shall be 150psi with IP65 protection class. Switch to be SPDT with 250 VAC, 8 Amp rating.

L. On-off motorized butterfly valves shall be have a housing of ductile iron GGG40 withstainless steel shaft. They shall have PN16 rating and be suitable for temperatures of-10 to 130 Deg C. Actuator shall be provided with a manual operator and should besuitable to provide the necessary torque for tight close-off.

M. Differential water pressure transducer shall have 0-10 volt output and a protectionclass of IP65. Housing to be aluminum die cast with stainless steel sensing element.Transducers should be suitable for temperatures up to 70 Deg C

N. Current transducers should have a rated input of 1 amp. or 5 amp. Accuracy to be0.2% minimum and linearity to be less than 0.1%. Response time to be less than 250ms. Output signal to be 4-20 ma or 0-20 ma. Transducer should be able to withstanda continuous overload of 4 times the rated input current and a maximum overload offifty times the rated current for 1 second.

O. Voltage transducers should have a rated input of 600 Volts. Accuracy to be 0.2%minimum and linearity to be less than 0.1%. Response time to be less than 250 ms.Output signal to be 4-20 ma or 0-20 ma. Transducer should be able to withstand acontinuous overload of 1.5 times the rated input current and a maximum overload of

two times the rated voltage for 1 second.

P. Current transformers should be instrument grade split core type with outputs of 1 Amp. or 5 Amp. Accuracy to be 0.5% from 10% to 100% of rated current. Insulationclass to be 600 VAC

Q.

Water pressure switches should be suitable for media temperature of -25 to 70 DegC. Switch should have IP54 protection and should be supplied with SPDT micro switchrated at 5 Amps inductive or 8 Amps resistive current. Switch to have an adjustablesetting for the set point and the hysterisis

R. Air pressure transmitter should be suitable for media temperature of -25 to 70 Deg C.

It should have IP54 protection and should have an output of 0-10 Volts DC output.


17/24



Transmitter should also be supplied with necessary accessories for installation onducts.

S. Air flow switches shall be paddle type suitable for a maximum pressure of 0.25 bars.

Devices shall be IP65 protection class. Switch to be SPDT with 250 VAC, 8 Amprating.

T.

Occupancy sensor shall use Dual Sensing Verification Principle for coordinationbetween ultrasonic and passive infrared technologies. Detection verification of bothtechnologies must occur in order to activate lighting systems. Upon verification,detection by either shall hold lighting on.

U. CO sensor should be suitable for ranges of 0-100 ppm to 0-500 ppm. Sensor to haveIP65 protection and to provide 4-20 ma output.

V.

Wind speed sensor should be suitable for speeds up to 90 m/s. It should be provided

with a contact output suitable for 0-100 VDC, 0.5 Amps. Switch to have IP65protection.

W. Rain sensor should have IP65 protection and should be supplied with a switching unitto provide a SDPT contact suitable for 230 VAC, 5 Amps.

X. Level switches to be magnetic float types with a guide tube and should allow single ormultilevel switching types. Switch to be top mounted. Switch should be suitable forwater and oil applications. For gas applications and explosive atmospheres a switchwith intrinsic safety approval should be used.

Y. Level transmitters for oil and water should be of the ultrasonic type, top mountedwith 4-20 ma output. Sensor to have IP 68 protection while the housing should haveIP67 protection.

Z. Level transmitters for gas tanks should work on the float principle with magnetictransmission (permanent magnet, reed switches and resistance chain). Level to beread by continuously measuring the total resistance as the float moves along theguide. Transmitter should be supplied with an intrinsically safe control unit to convertthe resistance into a 4-20 ma current.

AA. Conductivity sensor should provide accurate temperature compensated measurementover the ranges of 0.055 to 1,000,000 micromhos/cm and 0-18.2 Megohms-cm.Sensor should provide an output of 0-10 volts or 4-20 ma DC corresponding to linearconcentration output signals Accuracy to be less than 0.5% of span. It should be

supplied

2.10 SCHEDULE OF SYSTEM GRAPHICS

A. HVAC monitoring and control

1.

Equipment: Show layout of all equipment including chillers, boilers, AHUs,FCUS,VAV boxes, pumps, dampers, etc...., as per mechanical drawings.

B. Monitoring and control Points: Show all monitoring and control points related to allequipment indicated above as per schedule of functional point list.

C.

Ventilating monitoring and control:


18/24



1.

Equipment: Show layout of all fans and motorized dampers, as permechanical drawings.

2. Monitoring and control Points: Show all monitoring points related to all

equipment indicated above as per schedule of functional point list.

D. Plumbing monitoring and control

1. Domestic Cold and Hot Water System: Show all monitoring and controlfunctions as per design drawings.

2. Drinking and Irrigation Water System: Show all monitoring and controlfunctions as per design drawings.

3.

Lift station: Show all control and monitoring functions as per design drawings.

4.

Water treatment plant: show layout with monitoring and control functions forall water treatment equipment.

5. Fuel oil systems : show all monitoring and control functions as per designdrawings.

6. Fire Pump: Show layout plan, with location, by color change status.

7. Fire Fighting System: Show all monitoring and control functions as per designdrawings.

8. Location plan for each floor, indicating flow alarm devices and zone limits withcolor change status.

9. Irrigation system – show all monitoring and control points.

E. Fire Detection and Alarm

1.

Fire Detection System: Overview schematic of detection / protection scheme.

2. Zone Alarm/Fault: Layout plans of each basement floor with colour change toindicate condition.

3. Zone Alarm/Fault: Allow for backup advisory messages in case of alarmsgeneration. Relay for action to be taken; mechanical equipment shutdown,

etc.

F. Electrical Control:

1. Power Distribution System: System overview with indication of list feeders,main feeders, tie breaker status, by color change. Show all control functionsas per control sequence shown on design drawings.

2. General Switchgear: Show all monitoring functions as per design drawings.

3. Diesel Engine System: Show all monitoring functions as per design drawings.

4.

Unit Substation: Show all monitoring functions as per design drawings.


19/24



5.

Lighting Panel Boards: System overview with status indication of allcontactors.

G. Required Graphics shall include but not limited to the below list :

1. Main graphic shall be a digital photograph of the buildings façade from whichan Auto-cad elevation drawing of the Library, Business School, or Parkingbuildings can be selected.

2. From the Auto-cad elevation drawings an Auto-cad floor layout can beselected where room temperatures are displayed.

3. Selecting a technical room will open the equipment layout graphic of theroom with basic readings. The drawn equipment shall resemble the actualequipment. Selecting equipment will open the graphic containing theschematic of the equipment with all related readings.

4. Selecting other rooms will open the graphic of HVAC equipment serving thatroom, e.g. FCU, VAV box or AHU, with available readings and with a link tothe graphic of the main equipment, e.g. AHU serving that VAV box, ChillerPlant or Heating Plant Serving that FCU.

5. For smoke exhaust under fire conditions an Auto-cad elevation drawing shallshow the position of all smoke fire dampers, the status of AHU's, smokeexhaust fans, and pressurization fans.

PART 3 – EXECUTIONS

3.01 EXAMINATION

A. Verify that conditioned monitoring rooms are ready to receive work.

B.

Verify field measurements are as shown on shop drawings and as instructed bymanufacturer.

C. Verify that required utilities are available, in proper locations, and ready for use.

D. Correct unsatisfactory conditions.

3.02 INTERFACES WITH OTHER PRODUCTS

A. Connect HVAC monitoring devices under provisions of Division 15 related Sections.

B. Connect motor controllers, lighting controls, fire alarm and smoke detection devices,intrusion detection and security access devices, electrical sensing and measurementdevices, electrical controls and relays, programmable logic controller, under provisionsof Divisions 14 and 16 related Sections.

3.03 FIELD QUALITY CONTROL

A. Test each sequence of building management system by simulation of normal, off-

normal, and alarm conditions.


20/24



3.04 ON-SITE TESTING

A. Provide Engineer-approved operation and acceptance testing of the complete system.The Engineer will witness all tests.

B. Field Test:

1.

When installation of the system is complete, calibrate equipment and verifytransmission media operation before the system is placed on line. All testing,calibrating, adjusting and final field tests shall be completed. Provide adetailed cross check of each sensor within the system by making acomparison between the reading at the sensor and a standard traceable tothe National Bureau of Standards. Provide a cross check of each monitoringpoint within the system by making a comparison between the monitoringcommand and the field controlled device. Verify that all systems are operablefrom local controls in the specified failure mode upon panel failure or loss of

power. Submit the results of functional and diagnostic tests and calibrationsto the Engineer for final system acceptance.

C. Compliance Inspection Checklist: Submit in the form requested, the following items ofinformation to the Engineer for verification of compliance to the project specifications.Failure to comply with the specified information all constitute non-performance of thecontract. The Contractor shall submit written justification for each item in the checklistthat he is unable to comply with. The Engineer will initial and date the checklist tosignify Contractor’s compliance before acceptance of system.

1. Verify to the Engineer in letter form that supplier has in-place support facility.Letter shall show location of support facility, name and titles of technical staff,engineers, supervisors, fitters, electricians, managers and all other personnelresponsible for the completion of the work on this project.

2. Submit in data sheet form or official government approval form compliance toF.C.C. Regulation, Part 15, Section 15.

3.

Manually generate an alarm at a remote Controller as selected by theEngineer to demonstrate the capability of the workstation and alarm printerto receive alarms within 5 seconds.

4. Disconnect an operator workstation in the central monitoring room andmanually generate an alarm at a remote Controller to demonstrate thecapability of the system printer to receive alarms when the workstation is

disconnected from the system

5. Disconnect one Controller from the network to demonstrate that a singledevice failure shall not disrupt or halt peer-to-peer communication. Panel tobe disconnected shall be selected by the Engineer.

6.

At a Controller of the Engineer’s choice, display on the portable operator’sterminal:

a) Set points and status conditions, i.e., on or off for a system or pieceof equipment attached to that panel as well as for points at anotherController on the network, as selected by the Engineer.


21/24



b)

The diagnostic results as specified for a system or piece ofequipment attached to that panel as well as for a system or piece ofequipment attached to another Controller.

c)

The ability to add a new point to the Controller with the POT andhave it automatically uploaded to the workstation to modify thatpanel’s stored database.

3.05 FIELD SERVICES

A. Adjust set points, alarm points, and display configurations so that system performs asspecified.

B. Include installing and debugging hardware and software. Perform hardwareconfiguration revisions required to accommodate software patches.

C.

Enter building management data base and provide backup copy.

3.06 CLEANING

A.

Clean equipment finishes interiors of equipment cabinets.

3.07 SERVICE AND GUARANTEE

A. General Requirements:

1. Provide all services, materials and equipment necessary for the successfuloperation of the entire BACS system for a period of one year after completionof successful performance test. Provide necessary material required for thework. Minimize impacts on facility operations when performing scheduledadjustments and non-scheduled work.

B. Description of Work: The adjustment and repair of the system includes all computerequipment, software updates, transmission equipment and all sensors and monitoringdevices. Provide the manufacturer’s required adjustment and all other worknecessary.

C. Personnel: Provide qualified personnel to accomplish all work promptly andsatisfactorily. Owner shall be advised in writing of the name of the designated servicerepresentative, and of any changes in personnel.

D.

Schedule of Work: Provide two minor inspections at 6 month intervals and two majorinspections offset equally between the minor inspections to effect quarterly inspectionof alternating magnitude, and all work required as specified. Minor inspection shallinclude visual checks and operational tests of all equipment delivered. Majorinspections shall include all work described for minor inspections and the followingwork:

1.

Clean all equipment, including interior and exterior surfaces.

2. Perform signal, voltage and system isolation checks of system workstationsand peripheral.

3.

Check and calibrate each field device. Check all analog points and digitalpoints.


22/24



4.

Run all diagnostics and correct all previously diagnosed problems.

5. Resolve and correct any previous outstanding problems.

6. Provide detailed report after each inspection.

E.

Emergency Service: Owner will initiate service calls when the system is notfunctioning properly. Qualified personnel shall be available to provide service to thecomplete system. Furnish Owner with a telephone number where servicerepresentative can be reached at all times. Service personnel shall be at the sitewithin 24 hours after receiving a request for service. Restore the monitoring system toproper operating condition within 3 days.

F.

Operation: Performance of scheduled adjustments and repair shall verify operation ofthe system as demonstrated by the initial performance test.

G. Systems Modifications: Provide any recommendations for system modification inwriting to Owner. Do not make any system modifications, including operatingparameters and monitoring settings, without prior approval of Owner. Anymodifications made to the system shall be incorporated into the operations andmaintenance manuals, and other documentation affected.

H. Software: Provide all software updates and verify operation in the system. Theseupdates shall be accomplished in a timely manner, fully coordinated with the systemoperators, and shall be incorporated into the operations and maintenance manuals,and software documentation.

3.08 DEMONSTRATION

A. Provide systems demonstration under provisions of the Contract Documents.

3.09 TRAINING

A.

The Contractor shall provide competent instructors to give full instruction todesignated personnel in the adjustment, operation and maintenance of the systeminstalled rather than a general training course. Instructors shall be thoroughly familiarwith all aspects of the subject matter they are to teach. All training shall be heldduring normal work hours as follows:

B. Training shall include:

1.

Explanation of drawings, operations and maintenance manuals.

2. Walk-thru of the job to locate monitoring components.

3. Operator workstation and peripherals

4.

Controller operation/function

5. Operator monitoring functions including graphic generation and field panelprogramming.

6.

Operation of portable operator’s terminal.


23/24



7.

Explanation of adjustment, calibration and replacement procedures.

C. Provide additional training quarterly for a period of one year from final completion ofthe project.

3.10 MANUALS

A.

Provide four sets of manuals in hard copy an one set in soft copy for the following :

1. All System Graphics; indicate the tag number of the equipment and eachcontrol point name and address

2. All control logic; indicate the tag number of the equipment and each controlpoint name and address

3.

List of all control points parameters with the values used for commissioning

4. Operator manuals for the supplied software

5. Operation and maintenance manual

3.11 CONTROL WIRING

A. All control wires are to be numbered with 5-digit scheme using legrand or 3Mnumbers.

B. All input and output cables should be routed separately from lines with voltagesgreater than 48 volts and cables transmitting a switching action. All temperature andhumidity input cables should be routed alone. All wiring for inputs shall be shieldedcables. All low voltage cables should be routed separately from line voltage cables.Low voltage cables from each field item to be routed back to the BMS panel, i.e.connections to transformer output to be done at the panel. Communication cableshould be routed alone.

C.

Electric power connections to field equipment to be done via terminal blocks. Electricpower to each transformer to be separately protected via fused terminal blocks.Electric power circuits from a transformer to be separately protected via fusedterminal blocks. Terminal blocks to be rail mounted terminal blocks with disconnectfeature. Provide 10% spare terminal blocks per panel. Terminal Blocks Approvedmanufacturers:

1.

Wago

2. Legrand

3. Or approved equal.

D.

Provide an intermediate external 24v relay, outside the DDC, for all digital outputs.

E. Cable selection shall be based on the load they supply, but in circumstance shall beless than 1.0 mm2. Contractor shall make sure that the voltage drops on every line(cable) is within the permissible range of the devices installed, and this shall becalculated based on the worst case scenario (i.e. all devices on the same line and/or

power supply) are operational at the same time. This calculation sheet shall besubmitted prior to the installation of conduits.


24/24


F.

Conduit size shall be selected based on the 40% fill criteria.

G. To obtain a step down in voltage use transformers only. All transformers are to be

located in the control panel.

H. Each DDC is to be housed in a separate lockable panel; transformers, relays andterminal blocks to be housed in another panel. Panel to be IP55 with back mountingplate and lockable door. Panel to be as specified for electric panels.

www.eng-mep.com