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VICTOR VALLEY COLLEGE BUILDING CONTROL SYSTEM 23 09 00- 1

SECTION 230900 – BUILDING AUTOMATION SYSTEM (BAS) CONTROLS PART 1 - GENERAL 1.1 APPLICABLE REQUIREMENTS

A. All work to be furnished and installed under this section shall comply with all the requirements of General Conditions, Supplemental Conditions, Division 01 - General Requirements, Section 230500 - Basic Materials and Methods, and other Sections in Division 23 specified herein.

1.2 SCOPE

A. All work to be furnished and installed under this Section shall comply with all the requirements of Division 01, and shall include but not necessarily be limited to the following:

1. Submit shop drawings of the entire control system components fully coordinated with major equipment suppliers' requirements. Provide proposed programming logic sequences of control functions on each system. 2. Installation of control components other than valves, dampers and sensing wells as required for a complete and workable system. 3. This Contractor shall furnish, install and coordinate the interlock and control wiring as specified and/or required for a complete and workable control system. 4. Controls dampers are furnished by Mechanical contractor. Provide damper actuators, wiring and conduit as required to operate all dampers as shown. 5. Upon completion of the installation, data entry and programming, provide complete validation and adjustment of specified control system through period of testing and Owner’s acceptance. The control contractor shall perform a point-to-point check out of all newly installed points to verify point existence, proper end to end connection and correct units with VVC 6. The entire program and sequence of operation with the final points list shall be verified by the Control Contractor, VVC authority, and signed by both parties. A copy of the final program, sequence of operation, and points list shall be submitted to VVC Authority for approval and inclusion with the operation and maintenance manuals. 7. Owner training on operation of the control system. 8. One-year warranty on workmanship and materials.


9. Interlocking of electrical systems and motors as shown on Drawings, except where specifically shown on electrical drawings. 10. The System Integrator for Victor Valley College is Climatec BTG. All front end integration services related to the existing Server shall be performed utilizing Climatec as the system integrator. Any other system integrator will void current services being provided. All hardware and software tools must be utilized to modify the programming and database changes in all new controllers; no other manufacturer tools are acceptable. This integration shall be seamless and complete; including but not limited to: all necessary hardware, system server, software, and new system graphic pages for all points and systems in these buildings, no exceptions.

1.3 RELATED WORK IN OTHER SECTIONS

A. Mechanical Provision.

1. Variable frequency drives. 2. Boiler controls, and boiler management panels. 3. Chiller controls, and chiller management panels. 4. Cooling towers. 5. Humidifiers. 6. Air handlers. 7. Fan coils. 8. Terminals units. 9. Pumps

. B. Electrical Provisions. Sources of 120-volt electrical power as indicated on the electrical drawings and specifications for control system components furnished by Electrical contractor. C. BAS contractor will furnish, but not install the following:

1. Flow meters: furnish to mechanical installer and coordinate per manufacturers requirements. 2. Flow switches: furnish to mechanical installer and coordinate per manufacturer’s requirements. 3. Refrigerant pressure and temperature sensor wells: furnish to mechanical installer and coordinate per manufacturer’s requirements. 4. Hydronic pressure and temperature sensor wells: furnish to mechanical installer and coordinate per manufacturer’s requirements. 5. Control valves: furnish to mechanical installer and coordinate per manufacturer’s requirements. 6. Automatic control dampers actuators: furnish to mechanical installer and coordinate per manufacturer’s requirements.


F. BAS contractor must meet with installer furnishing the following equipment to coordinate details of the control interface boards between these products and the BAS networks. The owner or his representative shall be present at this meeting. Each installer shall provide the owner and all other Installers with details of the proposed interface including PICS for BACnet equipment, hardware, and software identifiers for the interface points, network identifiers, wiring requirements, communication speeds, and required network accessories. The purpose of the meeting shall be to insure there are not unresolved issues regarding the integration of these products in the BAS network. G. ALL projects are to report back to the existing central EMS Tridium server. EMS integrator is to coordinate the connection and IP addressing through owner representative and construction team. Campus preferred EMS integrator is Climatec BTG

1.4 REFERENCE STANDARDS

A. The latest edition of the following standards and codes in effect and amended as of supplier's proposal date, and any applicable subsections thereof, shall govern design and selection of equipment and material supplied:

1. American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE). 2. ANSI/ASHRAE Standard 135-2008, BACnet. 3. Uniform Building Code (UBC), including local amendments. 4. UL 916 Underwriters Laboratories Standard for Energy Management equipment. Canada and the US. 5. National Electrical Code (NEC). 6. FCC Part 15, Subpart J, Class A. 7. EMC Directive 89/336/EEC (European CE Mark). 8. UL-864 UUKL listing for Smoke Controls for any equipment used in smoke control sequences. 9. BACnet

B. City, county, state, and federal regulations and codes in effect as of contract date. C. Except as otherwise indicated, the system supplier shall secure and pay for all permits, inspections, and certifications required for his work, and arrange for necessary approvals by the governing authorities.

1.5 WORK INCLUDED

A. The Building Automation System (BAS) specified herein is an “integrated” system that utilizes a Tridium Niagara AX front end with BAS contractor’s native BACnet


controllers. The BAS integrator shall maintain the central Tridium Niagara AX based front end in a owner provided location, install hardware systems, and equipment to access and interface with a open protocol control system that utilizes unitary controllers to control all mechanical equipment, including all unitary equipment such as VAV boxes, fan-coils, etc., and all air handlers, boilers, chillers, and any other listed equipment. B. The BAS integrator shall develop, test, and commission all local Energy Management Systems and GUI (Graphic User Interface) software applications for the HVAC control system. Additionally, the BAS contractor shall assist VVC authority in configuring and commissioning the Ethernet communication network for the HVAC system to the existing Central Server. C. Only BAS contractors that are Factory Authorized to sell and install the NiagaraAX hardware and software are authorized to connect new systems to central server. The NiagaraAX Authorized Contractor will have a minimum of 10 factory trained programmers. The programmers will have completed the NiagaraAX Certification Program and work as full time employees, not sub-contractors. The Technicians must have at least 3 years experience with the NiagaraAX Controller. The BAS contractor shall have an in place support facility within 55 miles of the site with factory certified technicians and engineers, spare parts inventory and all necessary test and diagnostic equipment for the installed system, and the BAS contractor shall have emergency service available. D. It is the VVC Authority’s express goal to implement an open system that will allow products from various suppliers to be integrated into unified systems in order to provide flexibility for expansion, maintenance, and service of the system. VVC Authority shall be the named license holder of all software associated with any and all incremental work on the project(s). The intent is to insure that the installed Niagara AX products may be completely open for integrations. The Owner shall be free to direct the modifications of the any software license, regardless of supplier. In addition, the owner shall receive ownership of all job specific software configurations documentation, data files, and application-level software developed for the project. This shall include all custom job specific software code and documentation for all configuration and programming that is generated for a given project and/or configured for use within Niagara AX Framework (Niagara AX ) based controllers and/or servers and any related LAN/ WAN Intranet and Internet connected routers and devices. Any and all required Ids and passwords for access to any component or software program shall be provided to the owner.

E. Provide all necessary open protocol compliant hardware and software to meet the system’s functional specifications. Provide Protocol Implementation Conformance Statement (PICS) for Windows based control software and every controller in system, including unitary controllers. F. Prepare individual hardware layouts, interconnection drawings, and software configuration from project design data.


G. Implement the detailed design for all analog and binary objects, system databases, graphic displays, logs, and management reports based on control descriptions, logic drawings, configuration data, and bid documents. H. Design, provide, and install all equipment cabinets, and panels. I. Provide and install all interconnecting cables between supplied cabinets, application controllers, and input/output devices. J. Provide and install all interconnecting cables between all operator’s terminals and peripheral devices (such as printers, etc.) supplied under this section. K. Provide complete manufacturer’s specifications for all items that are supplied. L. Provide supervisory specialists and technicians at the job site to assist in all phases of system installation, startup, and commissioning. M. Provide a comprehensive operator and technician training program as described herein. N. Provide as-built documentation, operator’s terminal software, diagrams, and all other associated project operational documentation (such as technical manuals) on approved media, the sum total of which accurately represents the final system. O. Provide new sensors, actuators, valves, and install only new electronic actuators. No used components shall be used as any part or piece of installed system.

P. Coordinate all CAT6 locations with VVC Authority immediately Q. Awarding mechanical contractor is to coordinate with VVC Authority to ensure a single preferred EMS integrator is working on the existing Tridium Server necessary to maintain campus standards and consistency R. EMS integrator is to be familiar with TRIDIUM AX. Must be A Niagara certified integrator. S. EMS field level controls must be Alerton branded to maintain consistency. Global level controllers must be Tridium Jace modules – open soured, non branded

1.6 SYSTEM DESCRIPTION

A. Ethernet (IEEE 802.3), peer-to-peer CSMA/CDA. Furnish all labor, materials, equipment, and service necessary for a complete and operating temperature control system, utilizing a high speed peer to peer network of interoperable Direct Digital Controls (DDC) and Graphical User interface (GUI) with color graphic displays available on at least 64 client computers, and electronic interfaces and actuation devices, as shown on the drawings and as described herein.


B. The Local Area Network (LAN) shall be either a 10 or 100 Mpbs Ethernet network supporting LON, BACnet, N2, Java, XML, HTTP, and CORBA IIOP for maximum flexibility for integration of building data with enterprise information systems and providing support for multiple Enterprise Network Controllers (ENCs), user workstations and a local host computer system. C. The Enterprise Ethernet (IEEE 802.3) LAN shall utilize Carrier Sense Multiple/Access/Collision Detect (CSMA/CD), Address Resolution Protocol (ARP) and User Datagram Protocol (UDP) operating at 10 or 100 Mbps. D. The Enterprise system as provided in this Division shall be based on a hierarchical architecture incorporating the Niagara AX FrameworkTM (or “Niagara”), a Java-based framework technology developed by Tridium. System not developed based on Niagara FrameworkTM technology are unacceptable. E. Local system shall be designed around BACnet with the capability of supporting native protocols such as LONworks, MODbus and Native JCI N2 devices F. The software tools required to network manage the ANSI / ASHRAE™ Standard 135-2004, BACnet protocol must be provided with the system. Drawings are diagrammatic only. Equipment and labor not specifically referred to herein or on the plans that are required to meet the functional intent, shall be provided without additional cost to the Owner. Minimum BACnet compliance is Level 3; with the ability to support data read and write functionality. Physical connection of BACnet devices shall be via Ethernet/Ethernet IP or MS/TP. G. Complete temperature control system to be DDC with electronic sensors and electronic/electric actuation of Mechanical Equipment Room (MER) valves and dampers and electronic actuation of terminal equipment valves and actuators as specified herein. 1. The supplied system must incorporate the ability to access all data using Java enabled browsers without requiring proprietary operator interface and configuration programs.

2. An Open DataBase Connectivity (ODBC) or Structured Query Language (SQL) compliant server database is required for all system database parameter storage.

a. This data shall reside on a supplier-installed server for all database access. b. Systems requiring proprietary database and user interface programs shall not be acceptable. c. A hierarchical topology is required to assure reasonable system response times and to manage the flow and sharing of data without unduly burdening the VVCs internal Intranet network. d. Systems employing a “flat” single tiered architecture shall not be acceptable.


1.7 APPROVED PRODUCTS MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements and best overall value for the campus, provide products by the following pre-qualified BACnet manufacturers: 1. Alerton Controls 2. Honeywell Branch 3. Johnson Controls Branch B. ALL SYSTEMS AND VENDORS MUST UTILIZE OPEN NIAGRA JACE CONTROLLERS AS VVC Authorities GLOBAL OF CHOICE C. Preferred front end integrator is Climatec BTG

1.75 APPROVED ENTERPRISE SOFTWARE MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, provide products by the following pre-qualified manufacturer: 1. Axcess Enterprise Energy Management No known equal

1.8 QUALITY ASSURANCE

A. The system manufacturer shall, as a minimum, manufacture and supply the Variable Air Volume Direct Digital Controller, Unitary Equipment Controller, Advanced Application Controller, Graphical User Interface, damper actuators, and valve actuator assemblies. B. All work described in this section shall be installed, wired, circuit tested and calibrated by factory certified technicians qualified for this work and in the regular employment of the temperature control system manufacturer’s local field office.

C. The BAS contractor shall have a full service facility within 55 miles of the project that is staffed with engineers trained in Integrating Interoperable Systems and technicians fully capable of providing routine emergency maintenance service on all system components. D. Any installing contractor, not listed as prequalified in the Approved Manufacturer's section, shall submit credentials as detailed in the Prebid Submittal section for the engineer's review 2 weeks prior to bid date. Failure to follow the attached formats shall disqualify potential alternate bidders. Credentials must attest that the contractor meets all requirements of the specification and the Engineers judgment regarding approval to bid as an acceptable installer after reviewing the data will be final.


E. Mechanical equipment manufacturers that are listed as approved to provide DDC type controls may submit a bid with factory mounted controls, and shall also provide a separate bid for their products less all controls, actuators, valve assemblies and sensors, which are specified to be provided by the BMS contractor. F. 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. G. Comply with NFPA 90A, "Installation of Air Conditioning and Ventilation Systems.". H. Comply with National Electric Code, UL-916 Energy Management Systems, ULC, FCC Part 15, subpart J, Class B Computing Devices.

1.9 SUBMITTALS

A. Drawings

1. The system supplier shall submit point-to-point engineered drawings, control sequence, and bill of materials for approval. 2. Drawings shall be submitted in a standard size of 11” x 17” (ANSI B), as a minimum. 3. Eight complete sets (copies) of submittal drawings shall be provided. 4. Drawings shall be available on CD-ROM.

B. System Documentation

1. Include the following in submittal package: a. System configuration diagrams in simplified block format. b. All input/output object listings and an alarm point summary listing. c. Electrical drawings that show all system internal and external connection points, terminal block layouts, and terminal identification. d. Complete bill of materials, valve schedule with Cv, and damper schedule. e. Manufacturer's instructions and drawings for installation, maintenance, and operation of all purchased items. f. Overall system operation and maintenance instructions—including preventive maintenance and troubleshooting instructions. g. Provide complete description and documentation of any proprietary (non-BACnet) services and/or objects used in the system. h. A list of all functions available and a sample of function block programming that shall be part of delivered system.


C. Project Management

1. The vendor shall provide a detailed project design and installation schedule with time markings and details for hardware items and software development phases. Schedule shall show all the target dates for transmission of project information and documents, and shall indicate timing and dates for system installation, debugging, and commissioning.

1.10 WARRANTY

A. Warranty shall cover all costs for parts, labor, associated travel, and expenses for a period of one year from completion of system acceptance. B. Hardware and software personnel supporting this warranty agreement shall provide on-site or off-site service in a timely manner after failure notification to the vendor. The maximum acceptable response time to provide this service at the site shall be 24 hours, Monday through Friday and 48 hours on Saturday and Sunday. C. This warranty shall apply equally to both hardware and software.

PART 2 - PRODUCTS 2.1 OPERATOR’S WORKSTATION

A. All EMS related work to connect to existing CENTRAL VVC SERVER. B. LOCAL COMPUTER MUST HAVE THE FOLLOW GUI (Graphic User Interface) Application Software: Include the following: Input/output capability from operator station for monitoring and controlling all of the points listed in the input/output point list. The operator shall be able to monitor and access all points by means of clear concise English names without having to understand or reference hardware point locations or controller programs.

1. Operating System: The GUI shall run on Microsoft Windows 7 Professional, or later. 2. The GUI shall employ browser-like functionality for ease of navigation. It shall include a tree view (similar to Windows Explorer) for quick viewing of, and access to, the hierarchical structure of the database. In addition, menu-pull downs, and toolbars shall employ buttons, commands and navigation to permit the operator to perform tasks with a minimum knowledge of the HVAC Control System and basic computing skills. These shall include, but are not limited to, forward/backward buttons, home button, and a context sensitive locator line (similar to a URL line), that displays the location and the selected object identification.

3. Real-Time Displays. The GUI, shall at a minimum, support the following graphical features and functions:


a. Graphic screens shall be developed using any drawing package capable of generating a GIF, BMP, or JPG file format. Use of proprietary graphic file formats shall not be acceptable. In addition to, or in lieu of a graphic background, the GUI shall support the use of scanned pictures. b. Graphic screens shall have the capability to contain objects for text, real-time values, animation, color spectrum objects, logs, graphs, HTML or XML document links, schedule objects, hyperlinks to other URL’s, and links to other graphic screens. c. Graphics shall support layering and each graphic object shall be configurable for assignment to one a layer. A minimum of six layers shall be supported. d. Modifying common application objects, such as schedules, calendars, and set points shall be accomplished in a graphical manner.

1) Schedule times will be adjusted via VVC Authority CENTRAL SERVER 2) ALARMS AND TRENDS ARE TO BE LOGGED AND CONFIGURED VIA CENTRAL SERVER

4. Commands to start and stop binary objects shall be done by right-clicking the selected object and selecting the appropriate command from the pop-up menu. No entry of text shall be required. 5. Adjustments to analog objects, such as set points, shall be done by right-clicking the selected object and using a graphical slider to adjust the value. No entry of text shall be required. 6. System Configuration. At a minimum, the LOCAL GUI shall permit the operator to perform the following tasks, with proper password access:

a. Create, delete or modify control strategies. b. Add/delete objects to the system. c. Tune control loops through the adjustment of control loop parameters. d. Enable or disable control strategies. e. Generate hard copy records or control strategies on a printer. f. Select points to be trended over a period of time and initiate the recording of values automatically.

7. Security. Each operator shall be required to log on to that system with a user name and password in order to view, edit, add, or delete data. System security shall be selectable for each operator. The system administrator shall have the ability to set passwords and security levels for all other operators. Each operator password shall be able to restrict the operators’ access for viewing and/or changing each system application, full screen editor, and object. Each operator shall automatically be logged off of the system if no keyboard or mouse activity is detected. This auto log-off time shall be set per operator password. All system security data shall be stored in an encrypted format.


8. System Diagnostics. The system shall automatically monitor the operation of all workstations, printers, modems, network connections, building management panels, and controllers. The failure of any device shall be annunciated to the operator.

.

D. Web Browser Clients

1. The system shall be capable of supporting 64 clients using a standard Web browser such as Internet Explorer™ or Firefox™. Systems requiring additional software (to enable a standard Web browser) to be resident on the client machine, are only acceptable if 64 licensed copies of the client machine software are provided, installed, and tested. 2. The Web browser software shall run on any operating system and system configuration that is supported by the Web browser. Systems that require specific machine requirements in terms of processor speed, memory, etc., in order to allow the Web browser to function with the BAS, shall only be acceptable if 64 workstations or workstation hardware upgrades are provided. 3. The Web browser shall provide the same view of the system, in terms of graphics, schedules, calendars, logs, etc., and provide the same interface methodology as is provided by the Graphical User Interface. Systems that require different views or that require different means of interacting with objects such as schedules, or logs, shall not be permitted.

4. The Web browser client shall support at a minimum, the following functions:

a. User log-on identification and password shall be required. If an unauthorized user attempts access, a blank web page shall be displayed. Security using Java authentication and encryption techniques to prevent unauthorized access shall be implemented. b. Graphical screens developed for the GUI shall be the same screens used for the Web browser client. Any animated graphical objects supported by the GUI shall be supported by the Web browser interface. c. HTML programming shall not be required to display system graphics or data on a Web page. HTML editing of the Web page shall be allowed if the user desires a specific look or format. d. Storage of the graphical screens shall be in the Building Control Units (BC), without requiring any graphics to be stored on the client machine. Systems that require graphics storage on each client are not acceptable. e. Real-time values displayed on a Web page shall update automatically without requiring a manual “refresh” of the Web page. f. User’s shall have administrator-defined access privileges. Depending on the access privileges assigned, the user shall be able to perform the following:


1) Modify common application objects, such as schedules, calendars, and set points in a graphical manner.

a) Schedule times will be adjusted using a graphical slider, without requiring any keyboard entry from the operator.

b) Holidays shall be set by using a graphical calendar, without requiring any keyboard entry from the operator. 2) Commands to start and stop binary objects shall be done by right-clicking the selected object and selecting the appropriate command from the pop-up menu. No entry of text shall be required. 3) View logs and charts 4) View and acknowledge alarms The system shall provide the capability to specify a user’s (as determined by the log-on user identification) home page. Provide the ability to limit a specific user to just their defined home page. From the home page, links to other views, or pages in the system shall be possible, if allowed by the system administrator. Graphic screens on the Web Browser client shall support hypertext links to other locations on the Internet or on Intranet sites, by specifying the Uniform Resource Locator (URL) for the desired link.

2.2 BUILDING NETWORK CONTROLLER

A. The BAS integrator shall supply one or more Building Network Controllers (BNC) as required per contract. Number of network controllers required is dependent on the type and quantity of field control devices provided. VVC utilizes non branded Tridium Jace controllers as the standard BNC B. The Building Network Controllers shall provide the interface between the LAN or WAN and the field control devices, and provide global supervisory control functions over the control devices connected to the existing CENTRAL SERVER. THE LOCAL SERVER shall be capable of executing the following:

a. Calendar functions b. Scheduling c. Trending d. Alarm monitoring and routing e. Time synchronization by means of an Atomic Clock Internet site including automatic synchronization F. Network Management functions

2. The Building Network Controller must provide the following hardware features as a minimum:


a. Two Ethernet Port -10/100 Mbps b. One RS-232 ports c. Two BACnet MS/TP interface Ports if BACnet controllers are used. d. Power Supply Module e. Battery Backup f. Real-time clock

5. Event Alarm Notification and actions

a. The BNC shall provide alarm recognition, storage; routing, management, and analysis to supplement distributed capabilities of equipment or application specific controllers. b. The BNC shall be able to route any alarm condition to any defined user location whether connected to a local network or remote via dial-up telephone connection, or wide-area network. c. Provide for the creation of a minimum of eight of alarm classes for the purpose of routing types and or classes of alarms, i.e.: security, HVAC, Fire, etc. d. Provide timed (schedule) routing of alarms by class, object, group, or node. e. Provide alarm generation from binary object "runtime" and log event counts for equipment maintenance. The user shall be able to reset runtime or event count values with appropriate password control. f. Control equipment and network failures shall be treated as alarms and annunciated. g. Graphic with flashing alarm object(s) h. The following shall be recorded by the BNC for each alarm (at a minimum):

1) Time and date 2) Location (building, floor, zone, office number, etc.) 3) Equipment (air handler #, etc.) 4) Acknowledge time, date, and user who issued acknowledgement. 5) Number of occurrences since last acknowledgement.

i. Alarm actions may be initiated by user defined programmable objects created for that purpose. j. Defined users shall be given proper access to acknowledge any alarm, or specific types or classes of alarms defined by the user. k. A log of all alarms shall be maintained by the JACE and/or a server (if configured in the system) and shall be available for review by the user. l. Provide a "query" feature to allow review of specific alarms by user defined parameters. m. A separate log for system alerts (controller failures, network failures, etc.) shall be provided and available for review by the user. n. An Error Log to record invalid property changes or commands shall be provided and available for review by the user.

6. Data Collection and Storage


a. The BNC shall have the ability to collect data for any property of any object and store this data for future use. b. The data collection shall be performed by log objects, resident in the BNC that shall have, at a minimum, the following configurable properties:

1) Designating the log as interval or deviation. 2) For interval logs, the object shall be configured for time of day, day of week and the sample collection interval. 3) For deviation logs, the object shall be configured for the deviation of a variable to a fixed value. This value, when reached, will initiate logging of the object. 4) For all logs, provide the ability to set the maximum number of data stores for the log and to set whether the log will stop collecting when full, or rollover the data on a first-in, first-out basis. 5) Each log shall have the ability to have its data cleared on a time-based event or by a user-defined event or action.

7. All log data shall be stored in a relational database in the BNC and the data shall be accessed from a server (if the system is so configured) or a standard Web Browser. 8. All log data, when accessed from a server, shall be capable of being manipulated using standard SOL statements. 9. All log data shall be available to the user in the following data formats:

a. HTML b. XML c. Plain Text d. Comma or tab separated values

10. Systems that do not provide log data in HTML and XML formats at a minimum shall provide as an alternative Microsoft SOL Server, Oracle Si or Expressa, Hyperion Solutions™ SOL Server. 11. The BNC shall have the ability to archive it's log data either locally (to itself), or remotely to a server or other BNC on the network. Provide the ability to configure the following archiving properties, at a minimum: a. Archive on time of day b. Archive on user-defined number of data stores in the log (buffer size) c. Archive when log has reached its user-defined capacity of data stores d. Provide ability to clear logs once archived 12. Audit Log

a. Provide and maintain an Audit Log that tracks all activities performed on the BNC. Provide the ability to specify a buffer size for the log and the ability to archive log based on time or when the log has reached the user-defined buffer size. Provide the ability to archive the log locally (to the BNC), to another BNC on the network, or to a server. For each log entry, provide the following data:


1) Time and date 2) User ID 3) Change or activity: i.e., Change setpoint, add or delete objects, commands, etc.

13. Database Backup and Storage

a. The BNC shall have the ability to automatically backup its database. The database shall be backed up based on a user defined time interval. b. Copies of the current database and, at the most recently saved database shall be stored in the BNC. The age of the most recently saved database is dependent on the user-defined database save interval. c. The BNC database shall be stored, at a minimum, in XML format to allow for user viewing and editing, if desired. Other formats are acceptable as well, as long as XML format is supported.

14. A BNC with I/O boards shall not be used for the control of any equipment such as fancoil units, boilers, pumps..etc. A single Unitary or Programmable controller shall manage the control functions for a specific mechanical system.

2.3 ADVANCED APPLICATION CONTROLLER (AAC)

Modular, comprising processor board with programmable, nonvolatile, RAM/EEPROM memory for custom control applications. AAC’s shall be provided for large AHU’s, Boiler Plant, Chiller Plant and other applications as shown on drawings.

1. Units monitor or control each input/output point; process information; and at least 50 expressions for customized HVAC control including mathematical equations, Boolean logic, PID control loops with anti-windup, sequencers, timers, interlocks, thermostats, enthalpy calculation, counters, interlocks, ramps, drivers, schedules, calendars, OSS, compare, limit, curve fit, and alarms. 2. The Advanced Application Controller shall have the following point count as a minimum.

a. 4 Digital Inputs. 1) 10 pulses per second. b. 12 Universal Inputs 1) 0-20mA 2) 0-5 VDC 3) Balco Sensors 4) Platinum Sensor 5) 10K thermistor c. 8 Universal Outputs 1) 0-20 mA 2) 12 VDC relay driver 3) Individually short circuit protected 4) LED indication d. 8 Digital Outputs 1) Triacs 2) LED indication


3. The controller shall come with an on board regulated 20 VDC power supply rated at 100mA. 4. The controller shall have removable terminals for:

a. 24 VAC Power inputs b. MS/TP Communication terminals

5. Stand-alone mode control functions operate regardless of network status. Functions include the following:

a. Peer to peer primary network level communications supporting BACnet/LON objects and services according to PIC and BIBBs statement. b. Automatic communications loss detection to maintain normal control functionality regardless of available networks communications. c. Discrete/digital, analog, and pulse input/outputs. d. Monitoring, controlling, or addressing data points. e. Local energy management control strategies f. Incorporate internal customizable safeties and limits to prevent third party tools from providing improper and unrealistic inputs to AAC’s.

6. Local operator interface port provides for download from and connection to portable workstation. 7. Communication:

a. The Advanced Application Controller shall communicate via the Primary Controller Network between BMS Controllers and other devices. b. Communication shall be peer-peer. c. AAC’s shall communicate with and other devices at a baud rate selectable between 9.6 and 76.8 K baud using MS/TP communications protocol. d. AAC shall communicate with the ENC using:

1) RS-485 trunk with a baud rate selectable between 9.6 and 76.8 K baud using MSTP communications protocol. 2) An Ethernet trunk 10/100 Mb

2.4 UNITARY EQUIPMENT CONTROLLER (UEC)

Single board construction comprising processor board with programmable, nonvolatile, RAM/EEPROM memory for custom control and unitary applications. UECs shall be provided for Unit Ventilators, Fan Coils, Heat Pumps, Rooftop Units, and other applications as shown on the drawings. To assure complete interoperability, all UEC's firmware shall support all LON objects and services as called out in the PIC and BIBBs statement.


1. The Unitary Equipment Controller shall have the following point count as a minimum. a. 6 Universal Inputs 1) 0-20mA 2) 0-5 VDC 3) Balco Sensors 4) Platinum Sensor 5) 10K thermistor b. 4 Analog Outputs 1) 0-20 mA 2) 0-5/10 VDC 3) Individually short circuit protected c. 8 Digital Outputs 1) Triacs 2) LED indication 2. Units monitor or control each input/output point; process information; and download from the operator station. 3. The controller shall have removable terminals for: a. 24 VAC Power inputs b. MS/TP Communication terminals 4. Stand-alone mode control functions operate regardless of network status. Functions include the following: a. Peer to peer primary network level communications with automatic communications loss detection to maintain normal control functionality regardless of available network communications. b. Discrete/digital, analog, and pulse input/output. c. Monitoring, controlling, or addressing data points. d. Appropriate BACnet Objects for specific unitary applications. 5. Local operator interface port located on UEC and UEC sensor provides for download from or upload to portable workstation. All bus devices shall be accessible from either port. 6. Communication: UEC’s shall communicate with the BNC and ACC at a baud rate selectable of 9.6-76.8 K baud utilizing MS/TP. 7. UEC units monitor or control each input/output point; process information; and at least 50 expressions for customized HVAC control including mathematical equations, Boolean logic, PID control loops with anti-windup, sequencers, timers, interlocks, thermostats, counters, interlocks, compare, limit, and alarms. 8. All UEC Controller setpoints shall be digital display setpoints with dual setpoint limits (integral hard limits which the user cannot exceed above and below and independent soft limits which are hidden from the user). All digital setpoints shall be network retentive after power outages and after replacement of sensor.


2.5 VAV BOX CONTROLLER (VAVDDC)

Controls shall be microprocessor based Pressure Independent Variable Air Volume Digital Controllers, as shown in the drawings. The VAVDDC shall be a single integrated package consisting of a microprocessor, power supply, damper actuator, differential pressure transducer, field terminations, and application software. An alternate model shall be offered that allows for direct connectivity to an external actuator for those applications that employ a non-butterfly style damper configuration. All input/output signals shall be directly hardwired to the VAVDDC controller. The internal actuator shall employ a manual override that allows for powered or non-powered adjustment of the damper position. In all cases, the controller shall automatically resume proper operation following the return of power to, or control by the ASC. Programming, configuring and/or troubleshooting of input/output signals shall be easily executed through the Room sensor or Graphical Programming tool connected at the wall sensor location.

1. Shall provide BACnet object and service support to provide BAS integration and optimum use of network bandwidth. 2. The VAVDDC control algorithms shall be designed to limit the frequency of damper repositioning, to assure a minimum 10-year life from all components. The VAVDDC shall provide internal differential pressure transducer for pressure independent applications with an accuracy of ± 5 %. VAVDDC and transducer shall be able to deliver accurate measurement and control for a minimum pressure of .004 in wc. Flow through transducers requiring filter maintenance are not acceptable. 3. The VAVDDC shall provide zone control accuracy equal to or better than +/- 1 degree F. Systems providing control accuracies greater than +/- 1 degree F are not acceptable. With the submittal package, contractor shall provide performance data that verifies control accuracy of the VAVDDC. 4. All input/output signals shall be directly hardwired to the VAVDDC. A minimum of three input points of the VAVDDC shall employ a universal configuration that allows for flexibility in application ranging from dry contact, resistive, to voltage/current sourced inputs. If three universal points are not available, a minimum of three input points (each) of the dry contact, resistive and analog voltage/current types must be Triac and universal analog form. All digital outputs shall be Triac type. Devices utilizing non-relay outputs shall provide an interface relay for all points. All analog outputs shall be programmable for their start points and span to accommodate the control devices. Configuration of all I/O points shall be accomplished without physical hardware jumpers, switches or settings. Troubleshooting of input/output signals shall be easily executed with the Graphical Programming tool or a volt-ohm meter (VOM). All I/O points shall be utilized by the local ASC or shall be available as I/O points for other controllers throughout the network.


5. The BAS contractor shall provide VAVDDC to the VAV box manufacturer, for factory mounting. The VAV terminal unit supplier shall include in its price all costs for mounting of VAVDDC controller, connection of actuator to damper shaft, wiring of device power, wiring of VAVDDC to fan (fan powered terminal) and wiring to electric reheat coils or reheat valve actuator as specified on drawing. 6. The VAV terminal manufacturer shall provide a multi-point, averaging, differential pressure sensor mounted on the inlet to each VAV box. The VAV terminal unit manufacturer shall supply a line to low voltage transformer, of sufficient capacity, to power the VAVDDC plus all reheat valves and/or contactors and fan circuits associated with the VAV terminal and actuator assemblies. The FMCS contractor shall provide all reheat control valves to the mechanical contractor for mounting and piping. The BAS contractor shall provide and install all wiring between the valve and VAVDDC controller and between the room sensor and the VAVDDC controller. 7. A minimum of three input points of the VAVDDC shall employ a universal configuration that allows for flexibility in application ranging from dry contact, resistive, to voltage/current sourced inputs. If these universal points are not available, a minimum of two input point (each) of the dry contact, resistive and analog voltage/current types must be provided on every controller.

2.6 ROOM SENSOR

1. The Room Sensor shall provide room temperature value and humidity (if required) to the controller. 2. The Room Sensor shall connect directly to the controller and shall not utilize any of the I/O points of the controller. 3. The Room Sensor shall provide a two-wire connection to the controller 4. The Room Sensor shall provide a communications jack for connection to the device. 5. The Room Sensor, the connected controller, and all other devices on the LON bus shall be accessible by the Portable Engineering Station as needed. 6. The Room Sensor shall be provided in a modular configuration that allows for the rough in of all wiring without the presence of the electronics or esthetic covering. 7. The Room Sensor shall be supplied in the following manner:

a. LCD display for showing (typically) the current temperature. b. Tenant override to allow timed override of unoccupied to occupied mode of operation. c. LED indication of override state.


d. Up/Down keys to allow adjustment of the current setpoint e. User interface with the Room Sensor shall be provided as a configurable function, and shall offer password protection for access to network variable editing. f. ASHRAE 95 compliance (LCD display and sub-base functionality) g. The room sensor shall provide access to additional diagnostic data from a sensor user keypad request. This Diagnostic mode is displayed on the LCD screens and includes separate displays for the controllers:

1) Subnet and Node Address 2) Errors 3) Alarms 4) Temperature Offset

2.7 ENCLOSURES

A. All controllers, power supplies and relays shall be mounted in enclosures. B. Enclosures may be NEMA 1 when located in a clean, dry, indoor environment. C. Indoor enclosures shall be NEMA 12 when installed in other than a clean environment. NEMA 3R. E. Enclosures shall have hinged, locking doors. F. Provide laminated plastic nameplates for all enclosures in any mechanical room or electrical room. Include location and unit served on nameplate. Laminated plastic shall be 0.125 inches thick and appropriately sized to make label easy to read.

2.8 INSTALLATION (GENERAL)

A. Install in accordance with manufacturer's instructions. B. Provide all miscellaneous devices, hardware, software, interconnections, installation, and programming required to ensure a complete operating system in accordance with the sequences of operation and point schedules.

2.9 LOCATION AND INSTALLATION OF COMPONENTS

A. Locate and install components for easy accessibility; in general, mount 48 inches above floor with minimum 3 feet of clear access space in front of units. Obtain approval on locations from owner’s representative prior to installation B. Wall mounted temperature sensors will typically be mounted directly above or below light switches and comply with ADA height requirements. Coordinate with owner, architect and other trades to assure proper mounted locations prior to installation. C. All instruments, switches, transmitters, etc., shall be suitably wired and mounted to protect them from vibration, moisture, and high or low temperatures. D. Identify all equipment and panels. Provide permanently mounted tags for all panels.


E. Provide stainless steel or brass thermowells suitable for respective application and for installation under other sections, and sized to suit pipe diameter without restricting flow.

3.0 LOW VOLTAGE INTERLOCKING AND CONTROL WIRING, AND CONDUIT

A. All control and interlock wiring shall comply with national and local electrical codes, and Division 26 of this specification, Where the requirements of this section differ from Division 26, the requirements of this section shall take precedence. B. All line voltage shall meet NEC Class 1 requirements. Wiring shall be UL listed in approved conduit according to NEC and Division 26 requirements. C. All low-voltage wiring shall meet NEC Class 2 requirements. Low-voltage power circuits shall be subfused when required to meet Class 2 current limit. D. Unless otherwise noted, power wiring for all valve and damper actuators is Class 2. If the BAS contractor desires to substitute 120V actuators, the BAS contractor shall provide all Class 1, 120V wiring and conduit at own expense. E. Where low voltage wires are in concealed and accessible locations, including ceiling return air plenums, approved cables not in conduit may be used provided that cables are UL listed for the intended application (plenum rated, etc.).

1. Where plenum cables are run exposed, wiring is to be run parallel along a surface or perpendicular to it and neatly supported at 10 ft intervals. 2. Where plenum cables are used without conduit, they shall be supported from or anchored to structural members. Cables shall not be supported by or anchored to ductwork, electrical conduits, piping, or ceiling suspension systems. 3. Install plenum cables in sleeves where it passes through walls and floors. Maintain fire rating at all penetrations.

F. All low voltage wiring exposed to weather shall be installed in rigid conduit. Low voltage wiring in mechanical, electrical, or service rooms shall be installed in conduit at levels below 10ft. G. Plenum Cable acceptable H. Conceal all conduits, except within mechanical, electrical, or service rooms. Install conduit to maintain a minimum clearance of 6 in. from high-temperature equipment (i.e.-such as flues or high temperature pipes). I. Secure conduits with conduit clamps fastened to the structure and spaced according to code requirements. Conduits and pull boxes may not be hung on flexible duct strap or tie rods. Conduits may not be run on or attached to ductwork. J. Do not install wiring in conduit containing tubing. K. Size of conduit and size and type of wire type shall be the responsibility of the contractor in keeping with the manufacturer’s recommendations and NEC requirements, except as noted elsewhere. L. Include one pull string in each conduit (1 in.) or larger. M. Adhere to this specification's Division 26 requirements where conduit crosses building expansion joints. N. Install insulated bushings on all conduit ends and openings to enclosures. Seal top end of vertical conduits. O. Flexible metal conduits and liquid-tight flexible metal conduits shall not exceed 3 ft in length and shall be supported at each end. Flexible metal conduit less than ½ in.


electrical trade size shall not be used. In areas exposed to moisture, including chiller and boiler rooms, liquid-tight, flexible metal conduits shall be used. P. Conduit must be rigidly installed, adequately supported, properly reamed at both ends, and left clean and free of obstructions. Conduit sections shall be joined with couplings (according to code). Terminations must be made with fittings at boxes, and ends not terminating in boxes shall have bushings installed. Q. Do not install Class 2 wiring in conduits containing Class 1 wiring. Boxes and panels containing high-voltage wiring and equipment may not be used for low-voltage wiring except for the purpose of interfacing the two (e.g. relays and transformers). R. All wire-to-device connections shall be made at a terminal block or terminal strip. All wire-to wire connections shall be at a terminal block. S. All wiring within enclosures shall be neatly bundled and anchored to permit access and prevent restriction to devices and terminals. T. Maximum allowable voltage for control wiring shall be 120 V. If only higher voltages are available, the contractor shall provide step-down transformers. U. All wiring shall be installed as continuous lengths, with no splices permitted between termination points. V. Use color-coded conductors throughout with conductors of different colors. W. Control and status relays are to be located in designated enclosures only. These enclosures include packaged equipment control panel enclosures unless they also contain Class 1 starters. X. The contractor shall terminate all control and/or interlock wiring and shall maintain updated (asbuilt) wiring diagrams with terminations identified at the job site.

3.1 COMMUNICATION WIRING

A. The contractor shall adhere to the wiring requirement previously listed. B. All cabling shall be installed in a neat and workmanlike manner. Follow manufacturer's installation recommendations for all communication cabling C. Do not install communication wiring in conduits and enclosures containing Class 1 or other Class 2 wiring. D. Maximum pulling, tension, and bend radius for the cable installation, as specified by the cable manufacturer, shall not be exceeded during installation. E. Contractor shall verify the integrity of the entire network following cable installation. Use appropriate test measures for each particular cable. F. When a cable enters or exits a building, a lightning arrestor must be installed between the lines and ground. The lighting arrestor shall be installed according to manufacturer’s instructions. G. All runs of communication wiring shall be unspliced length when that length is commercially available. H. All communication wiring shall be labeled to indicate origination and destination data. I. Grounding of coaxial cable shall be in accordance with NEC regulations article on "Communications Circuits, Cable, and Protector Grounding." J. BACnet MS/TP communications wiring shall be installed in accordance with ASHRAE/ANSI Standard 135. This includes but is not limited to:


1. The network shall use shielded, twisted-pair cable with characteristic impedance between 100 and 120 ohms. Distributed capacitance between conductors shall be less than 100 pF per meter (30 pF per foot.) 2. The maximum length of an MS/TP segment is 1200 meters (4000 ft) with AWG 18 cable. The use of greater distances and/or different wire gauges shall comply with the electrical specifications of EIA-485. 3. The maximum number of nodes per segment shall be 32, as specified in the EIA 485 standard. Additional nodes may be accommodated by the use of repeaters. 4. An MS/TP EIA-485 network shall have no T connections.

3.2 CONTROL OBJECT TYPE SUMMARY

A. Provide all database generation. B. Displays

1. System displays shall show all analog and binary object types within the system. They shall be logically laid out for easy use by the owner. Provide outside air temperature indication on all system displays associated with economizer cycles.

C. Run Time Totalization 1. At a minimum, run time totalization shall be incorporated for each monitored supply fan, return fan, exhaust fan, hot water and chilled water pumps. Warning limits for each point shall be entered for alarm and or maintenance purposes.

D. Trend Log 1. VVC Authority shall approve trend log point list per project

E. Alarm 1. All analog inputs (High/Low Limits) and selected binary input alarm points shall be prioritized and routed (locally or remotely) with alarm message per owner's requirements.

F. Database Save 1. Provide backup database for all standalone application controllers on disk.

3.3 FIELD SERVICES

A. Prepare and start logic control system under provisions of this section. B. Start up and commission systems. Allow sufficient time for startup and commissioning prior to placing control systems in permanent operation. Provide all labor and services as necessary to support testing and verification by third party commissioning authority. C. Provide the capability for off-site monitoring at control contractor's local or main office. At a minimum, off-site facility shall be capable of system diagnostics and software download. Owner shall provide phone line for this service for one year or as specified. .

3.8 AS-BUILT DOCUMENTATION REQUIRED


3.9 TRAINING

A. Provide application engineer to instruct owner in operation of systems and equipment. B. Provide system operator’s training to include (but not be limited to) such items as the following: modification of data displays, alarm and status descriptors, requesting data, execution of commands and request of logs. Provide this training to a minimum of three persons. C. Provide on-site training above as required, up to 16 hours per contract. D. Provide tuition for at least one if requested per contract

3.10 DEMONSTRATION

A. Demonstrate complete operating system to owner's representative. B. Provide certificate stating that control system has been tested and adjusted for proper operation.

END OF SECTION 230900

section 230900 – building automation system (bas) controls ... · victor valley college building...

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