ATTACHEMNT K - CONTROLS SPEC.pdf
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This document is a technical specification for a Direct-Digital Control (DDC) System for HVAC at the Olin E. Teague Veterans Center Outpatient Rehab Medicine facility. The specification details requirements for a comprehensive building automation control system using BACnet protocol, including controllers, sensors, networks, software, and integration of various building systems. Key technical requirements include native BACnet controllers, HTML5 web browser interfaces, peer-to-peer networking, and the ability to control mechanical systems with stand-alone functionality.
The system must provide advanced features such as graphical user interfaces, alarm management, remote communications, scheduling, trend logging, and energy management reporting. It specifies detailed technical standards for equipment like temperature sensors, pressure sensors, actuators, and control valves, with strict performance requirements for accuracy, communication, and system responsiveness. The specification also mandates comprehensive validation, demonstration, and training processes, requiring the contractor to prove system functionality through detailed testing and provide technical training for VA personnel.
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08-01-20
OLIN E. TEAGUE VETERANS CENTER DIRECT-DIGITAL CONTROL
RECONFIGURE OUTPATIENT REHAB MEDICINE SYSTEM FOR HVAC
VA Project No. 674-21-101
EA Project No. 04.0101 23 09 23 - 1 05/31/2022
SECTION 23 09 23
DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC
PART 1 – GENERAL
1.1 DESCRIPTION
A. General Contractor shall provide direct-digital control system(s) as indicated on the project documents, point list, interoperability tables, drawings and as described in these specifications. Include a complete and working direct-digital control system. Include all engineering, programming, configuration/setup hardware and software, controls and installation materials, installation labor, commissioning and start-up, training, final project documentation and warranty
1. The direct-digital control system(s) shall consist of high-speed, peer-to-peer network of DDC controllers, a control system server, all configuration and setup software and hardware devices.
2. All new building controllers shall be native BACnet. All new BACNet workstations, controllers, devices and components shall be listed by
BACnet Testing Laboratories. All new BACNet workstations, controllers, devices and components shall be accessible using a
HTML5 Web browser interface. Browsers shall not require the use of an extension or add on software in order to access aforementioned workstations, controllers, devices, and components.
a. If used, gateways shall be BTL listed.
b. If used, gateways shall provide all object properties and read/write services shown on VA-approved interoperability schedules.
3. The work administered by this Section of the technical specifications shall include all labor, materials, special tools, equipment, enclosures, power supplies, software, software licenses, Project specific software configurations and database entries, interfaces, wiring, tubing, installation, labeling, engineering, calibration, documentation, submittals, testing, verification, training services, permits and licenses, transportation, shipping, handling, administration, supervision, management, insurance, Warranty, specified services and any other items required for a complete and fully functional Controls System.
4. The control systems shall be designed such that each mechanical system shall operate under stand-alone mode. The A/E shall designate
ATTACHMENT K
PRE-BID RFI QUESTION 66
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EA Project No. 04.0101 23 09 23 - 2 05/31/2022 what each “mechanical systems” is composed of. The contractor administered by this Section of the technical specifications shall provide controllers for each mechanical system. In the event of a network communication failure, or the loss of any other controller, the control system shall continue to operate independently. Failure of the ECC shall have no effect on the field controllers, including those involved with global strategies.
B. Some products are furnished but not installed by the contractor administered by this Section of the technical specifications. The contractor administered by this Section of the technical specifications shall formally coordinate in writing and receive from other contractors formal acknowledgements in writing prior to submission the installation of the products. These products include but are not limited to the following:
1. Control valves.
2. Flow switches.
3. Flow meters.
4. Sensor wells and sockets in piping.
5. Terminal unit controllers.
C. Some products are installed but not furnished by the contractor administered by this Section of the technical specifications. The contractor administered by this Section of the technical specifications shall formally coordinate in writing and receive from other contractors formal acknowledgements in writing prior to submission the procurement of the products. These products include but are not limited to the following:
1. Factory-furnished accessory thermostats and sensors furnished with unitary equipment.
D. Some products are not provided by, but are nevertheless integrated with the work executed by, the contractor administered by this Section of the technical specifications. These products include but are not limited to the following:
1. Fire alarm systems. If zoned fire alarm is required by the project-specific requirements, this interface shall require multiple relays, which are provided and installed by the fire alarm system contractor, to be monitored.
2. Terminal units’ velocity sensors
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3. Variable frequency drives. These controls, if not native BACnet, will require a BACnet Gateway.
4. The following systems have limited control (as individually noted below) from the ECC
a. Constant temperature rooms: temperature out of acceptable range and status alarms.
Fume hoods and biological safety cabinets: status alarms.
a. Isolation/pharmacy hood rooms: pressure outside of acceptable limit alarms.
E. Responsibility Table:
Work/Item/System Furnish Install Low
Voltage
Wiring
Line
Power
Control system low voltage and communication wiring
23 09 23 23 09 23 23 09 23 N/A
Terminal units 23 23 N/A 26
Controllers for terminal units
23 09 23 23 23 09 23 16
LAN conduits and raceway 23 09 23 23 09 23 N/A N/A
Automatic dampers (not furnished with equipment)
23 09 23 23 N/A N/A
Automatic damper actuators 23 09 23 23 09 23 23 09 23 23 09 23
Manual valves 23 23 N/A N/A
Automatic valves 23 09 23 23 23 09 23 23 09 23
Pipe insertion devices and taps, flow and pressure stations.
23 23 N/A N/A
Thermowells 23 09 23 23 N/A N/A
Current Switches 23 09 23 23 09 23 23 09 23 N/A
Control Relays 23 09 23 23 09 23 23 09 23 N/A
Power distribution system monitoring interfaces
23 09 23 23 09 23 23 09 23 26
All control system nodes, equipment, housings, enclosures and panels.
23 09 23 23 09 23 23 09 23 26
Smoke detectors 28 31 00 28 31 00 28 31 00 28 31 00
Fire/Smoke Dampers 23 23 28 31 00 28 31 00
Smoke Dampers 23 23 28 31 00 28 31 00
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Work/Item/System Furnish Install Low
Voltage
Wiring
Line
Power
Fire Dampers 23 23 N/A N/A
VFDs 23 26 23 09 23 26
Laboratory Environmental
Controls
23 09 23 23 09 23 23 09 23 26
Fume hood controls 23 09 23 23 09 23 23 09 23 26
Control system interface with CRU A/C controls
23 09 23 23 09 23 23 09 23 26
CRU A/C unit controls interface with control system
23 23 09 23 23 09 23 26
Fire Alarm shutdown relay interlock wiring
28 28 28 26
Control system monitoring of fire alarm smoke control relay
28 28 23 09 23 28
Fire-fighter’s smoke control station (FSCS
28 28 28 28
Fan Coil Unit controls
(not furnished with equipment)
23 09 23 23 09 23 23 09 23 26
Unit Heater controls (not furnished with equipment)
23 09 23 23 09 23 23 09 23 26
Starters, HOA switches 23 23 N/A 26
F. This facility’s existing direct-digital control (DDC) system is manufactured by JCI The contractor administered by this Section of the technical specifications shall observe the capabilities, communication network, services, spare capacity of the existing control system and its ECC prior to beginning work
1. Provide a new BACnet ECC, communications network, and controllers.
Provide a programmable internetworking gateway allowing for real-time communication between the existing direct-digital control system and the new BACnet control system. Real-time communication shall provide all object properties and read/write services shown on
VA-approved interoperability schedules. The contractor administered by this Section of the technical specifications shall provide all necessary investigation and site-specific programming to execute the interoperability schedules.
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a. The combined system shall operate and function as one complete system including one database of control point objects and global control logic capabilities. Facility operators shall have complete operations and control capability over all systems, new and existing including; monitoring, trending, graphing, scheduling, alarm management, global point sharing, global strategy deployment, graphical operations interface and custom reporting as specified.
b.
I. The direct-digital control system shall start and stop equipment, move
(position) damper actuators and valve actuators, and vary speed of equipment to execute the mission of the control system. Use electricity as the motive force for all damper and valve actuators, unless use of pneumatics as motive force is specifically granted in writing by the VA.
1.2 RELATED WORK
A. Section 13 21 29, Constant Temperature Rooms.
B. Section 23 09 11, Instrumentation and Control for Boiler Plant.
C. Section 23 21 13, Hydronic Piping.
D. Section 23 31 00, HVAC Ducts and Casings.
E. Section 23 36 00, Air Terminal Units.
F. Section 23 73 00, Indoor Central-Station Air-Handling Units.
G. Section 23 84 00, Humidity Control Equipment.
DD. Section 28 31 00, Fire Detection and Alarm.
1.3 DEFINITION
A. Algorithm: A logical procedure for solving a recurrent mathematical problem; A prescribed set of well-defined rules or processes for the solution of a problem in a finite number of steps.
B. Analog: A continuously varying signal value (e.g., temperature, current, velocity etc.
C. BACnet: A Data Communication Protocol for Building Automation and
Control Networks -as defined by ANSI/ASHRAE Standard 135. This communications protocol allows diverse building automation devices to communicate data and services over a network.
D. BACnet/IP: Annex J of Standard 135. It defines and allows for using a reserved UDP socket to transmit BACnet messages over IP networks. A
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BACnet/IP network is a collection of one or more IP sub-networks that share the same BACnet network number.
E. BACnet Internetwork: Two or more BACnet networks connected with routers. The two networks may use different LAN technologies.
F. BACnet Network: One or more BACnet segments that have the same network address and are interconnected by bridges at the physical and data link layers.
G. BACnet Segment: One or more physical segments of BACnet devices on a
BACnet network, connected at the physical layer by repeaters.
H. BACnet Broadcast Management Device (BBMD): A communications device which broadcasts BACnet messages to all BACnet/IP devices and other
BBMDs connected to the same BACnet/IP network.
I. BACnet Interoperability Building Blocks (BIBBs): BACnet
Interoperability Building Blocks (BIBBs) are collections of one or more
BACnet services. These are prescribed in terms of an "A" and a "B" device. Both of these devices are nodes on a BACnet internetwork.
J. BACnet Testing Laboratories (BTL). The organization responsible for testing products for compliance with the BACnet standard, operated under the direction of BACnet International.
K. Baud: It is a signal change in a communication link. One signal change can represent one or more bits of information depending on type of transmission scheme. Simple peripheral communication is normally one bit per Baud. (e.g., Baud rate = 78,000 Baud/sec is 78,000 bits/sec, if one signal change = 1 bit).
L. Binary: A two-state system where a high signal level represents an "ON" condition and an "OFF" condition is represented by a low signal level.
M. BMP or bmp: Suffix, computerized image file, used after the period in a
DOS-based computer file to show that the file is an image stored as a series of pixels.
N. Bus Topology: A network topology that physically interconnects workstations and network devices in parallel on a network segment.
O. Control Unit (CU): Generic term for any controlling unit, stand-alone, microprocessor based, digital controller residing on secondary LAN or
Primary LAN, used for local controls or global controls
P. Deadband: A temperature range over which no heating or cooling is supplied, i.e., 22-25 degrees C (72-78 degrees F), as opposed to a single point change over or overlap).
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Q. Device: a control system component that contains a BACnet Device Object and uses BACnet to communicate with other devices.
R. Device Object: Every BACnet device requires one Device Object, whose properties represent the network visible properties of that device.
Every Device Object requires a unique Object Identifier number on the
BACnet internetwork. This number is often referred to as the device instance.
S. Device Profile: A specific group of services describing BACnet capabilities of a device, as defined in ASHRAE Standard 135-2008, Annex
L. Standard device profiles include BACnet Operator Workstations (B-
OWS), BACnet Building Controllers (B-BC), BACnet Advanced Application
Controllers (B-AAC), BACnet Application Specific Controllers (B-ASC), BACnet Smart Actuator (B-SA), and BACnet Smart Sensor (B-SS). Each device used in new construction is required to have a PICS statement listing which service and BIBBs are supported by the device.
T. Diagnostic Program: A software test program, which is used to detect and report system or peripheral malfunctions and failures. Generally, this system is performed at the initial startup of the system.
U. Direct Digital Control (DDC): Microprocessor based control including
Analog/Digital conversion and program logic. A control loop or subsystem in which digital and analog information is received and processed by a microprocessor, and digital control signals are generated based on control algorithms and transmitted to field devices in order to achieve a set of predefined conditions.
V. Distributed Control System: A system in which the processing of system data is decentralized and control decisions can and are made at the subsystem level. System operational programs and information are provided to the remote subsystems and status is reported back to the
Engineering Control Center. Upon the loss of communication with the
Engineering Control center, the subsystems shall be capable of operating in a stand-alone mode using the last best available data.
W. Download: The electronic transfer of programs and data files from a central computer or operation workstation with secondary memory devices to remote computers in a network (distributed) system.
X. DXF: An AutoCAD 2-D graphics file format. Many CAD systems import and export the DXF format for graphics interchange.
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Y. Electrical Control: A control circuit that operates on line or low voltage and uses a mechanical means, such as a temperature sensitive bimetal or bellows, to perform control functions, such as actuating a switch or positioning a potentiometer.
Z. Electronic Control: A control circuit that operates on low voltage and uses a solid-state components to amplify input signals and perform control functions, such as operating a relay or providing an output signal to position an actuator.
AA. Engineering Control Center (ECC): The centralized control point for the intelligent control network. The ECC comprises of personal computer and connected devices to form a single workstation.
BB. Ethernet: A trademark for a system for exchanging messages between computers on a local area network using coaxial, fiber optic, or twisted-pair cables.
CC. Firmware: Firmware is software programmed into read only memory (ROM) chips. Software may not be changed without physically altering the chip.
DD. Gateway: Communication hardware connecting two or more different protocols. It translates one protocol into equivalent concepts for the other protocol. In BACnet applications, a gateway has BACnet on one side and non-BACnet (usually proprietary) protocols on the other side.
EE. GIF: Abbreviation of Graphic interchange format.
FF. Graphic Program (GP): Program used to produce images of air handler systems, fans, chillers, pumps, and building spaces. These images can be animated and/or color-coded to indicate operation of the equipment.
GG. Graphic Sequence of Operation: It is a graphical representation of the sequence of operation, showing all inputs and output logical blocks.
HH. I/O Unit: The section of a digital control system through which information is received and transmitted. I/O refers to analog input
(AI, digital input (DI), analog output (AO) and digital output (DO).
Analog signals are continuous and represent temperature, pressure, flow rate etc, whereas digital signals convert electronic signals to digital pulses (values), represent motor status, filter status, on-off equipment etc.
II. I/P: a method for conveying and routing packets of information over LAN paths. User Datagram Protocol (UDP) conveys information to “sockets” without confirmation of receipt. Transmission Control Protocol (TCP)
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JJ. JPEG: A standardized image compression mechanism stands for Joint
Photographic Experts Group, the original name of the committee that wrote the standard.
KK. Local Area Network (LAN): A communication bus that interconnects operator workstation and digital controllers for peer-to-peer communications, sharing resources and exchanging information.
LL. Network Repeater: A device that receives data packet from one network and rebroadcasts to another network. No routing information is added to the protocol.
NN. Native BACnet Device: A device that uses BACnet as its primary method of communication with other BACnet devices without intermediary gateways. A system that uses native BACnet devices at all levels is a native BACnet system.
OO. Network Number: A site-specific number assigned to each network segment to identify for routing. This network number must be unique throughout the BACnet internetwork.
PP. Object: The concept of organizing BACnet information into standard components with various associated properties. Examples include analog input objects and binary output objects.
QQ. Object Identifier: An object property used to identify the object, including object type and instance. Object Identifiers must be unique within a device.
RR. Object Properties: Attributes of an object. Examples include present value and high limit properties of an analog input object. Properties are defined in ASHRAE 135; some are optional and some are required.
Objects are controlled by reading from and writing to object properties.
SS. Operating system (OS): Software, which controls the execution of computer application programs.
TT. PCX: File type for an image file. When photographs are scanned onto a personal computer they can be saved as PCX files and viewed or changed by a special application program as Photo Shop.
UU. Peripheral: Different components that make the control system function as one unit. Peripherals include monitor, printer, and I/O unit.
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VV. Peer-to-Peer: A networking architecture that treats all network stations as equal partners- any device can initiate and respond to communication with other devices.
WW. PICS: Protocol Implementation Conformance Statement, describing the
BACnet capabilities of a device. All BACnet devices have published
PICS.
XX. PID: Proportional, integral, and derivative control, used to control modulating equipment to maintain a setpoint.
YY. Repeater: A network component that connects two or more physical segments at the physical layer.
ZZ. Router: a component that joins together two or more networks using different LAN technologies. Examples include joining a BACnet Ethernet
LAN to a BACnet MS/TP LAN.
AAA. Sensors: devices measuring state points or flows, which are then transmitted back to the DDC system.
BBB. Thermostats : devices measuring temperatures, which are used in control of standalone or unitary systems and equipment not attached to the DDC system.
1.4 QUALITY ASSURANCE
A. Criteria:
1. Single Source Responsibility of subcontractor: Either the DDC
Contractor or the System Integrator shall obtain hardware and software supplied under this Section and delegate the responsibility to a single source controls installation subcontractor. The
Integration subcontractor shall be responsible for the complete design, installation, integration, and commissioning of the system.
The controls subcontractor shall be in the business of design, installation and service of such building automation control systems similar in size and complexity.
2. Equipment and Materials: Equipment and materials shall be cataloged products of manufacturers regularly engaged in production and installation of HVAC control systems. Products shall be manufacturer’s latest standard design and have been tested and proven in actual use.
3. The controls subcontractor shall provide a list of no less than five similar projects which have building control systems as specified in this Section. These projects must be on-line and functional such
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4. The controls subcontractor shall have an in-place facility within
100 miles with technical staff, spare parts inventory for the next five (5) years, and necessary test and diagnostic equipment to support the control systems.
5. The controls subcontractor shall have minimum of three years of experience in design and installation of building automation systems similar in performance to those specified in this Section.
6. Provide a competent and experienced Project Manager employed by the
Controls Contractor. The Project Manager shall be supported as necessary by other Contractor employees in order to provide professional engineering, technical and management service for the work. The Project Manager shall attend scheduled Project Meetings as required and shall be empowered to make technical, scheduling and related decisions on behalf of the Controls Contractor.
B. Codes and Standards:
1. All work shall conform to the applicable Codes and Standards.
2. Electronic equipment shall conform to the requirements of FCC
Regulation, Part 15, Governing Radio Frequency Electromagnetic
Interference, and be so labeled.
1.5 PERFORMANCE
A. The system shall conform to the following:
1. Graphic Display: The system shall display up to four (4) graphics on a single screen with a minimum of twenty (20) dynamic points per graphic. All current data shall be displayed within ten (10) seconds of the request.
2. Graphic Refresh: The system shall update all dynamic points with current data within eight (8) seconds. Data refresh shall be automatic, without operator intervention.
3. Object Command: The maximum time between the command of a binary object by the operator and the reaction by the device shall be two(2) seconds. Analog objects shall start to adjust within two (2) seconds.
4. Object Scan: All changes of state and change of analog values shall be transmitted over the high-speed network such that any data used
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5. Alarm Response Time: The maximum time from when an object goes into alarm to when it is annunciated at the workstation shall not exceed
(10) seconds.
6. Program Execution Frequency: Custom and standard applications shall be capable of running as often as once every (5) seconds. The
Contractor shall be responsible for selecting execution times consistent with the mechanical process under control.
7. Multiple Alarm Annunciations: All workstations on the network shall receive alarms within five (5) seconds of each other.
8. Performance: Programmable Controllers shall be able to execute DDC
PID control loops at a selectable frequency from at least once every one (1) second. The controller shall scan and update the process value and output generated by this calculation at this same frequency.
9. Reporting Accuracy: Listed below are minimum acceptable reporting end-to-end accuracies for all values reported by the specified system:
Measured Variable Reported Accuracy
Space temperature ±0.5C (±1F)
Ducted air temperature ±0.5C [±1F]
Outdoor air temperature ±1.0C [±2F]
Dew Point ±1.5C [±3F]
Water temperature ±0.5C [±1F]
Relative humidity ±2% RH
Water flow ±1% of reading
Air flow (terminal) ±10% of reading
Air flow (measuring stations) ±5% of reading
Air pressure (ducts) ±25 Pa [±0.1"w.c.]
Air pressure (space) ±0.3 Pa [±0.001"w.c.]
Water pressure ±2% of full scale *Note 1
Electrical Power ±0.5% of reading
Note 1: for both absolute and differential pressure
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10. Control stability and accuracy: Control sequences shall maintain measured variable at setpoint within the following tolerances:
Controlled Variable Control Accuracy Range of Medium
Air Pressure ±50 Pa (±0.2 in. w.g.)
0–1.5 kPa (0–6 in. w.g.)
Air Pressure ±3 Pa (±0.01 in. w.g.) -25 to 25 Pa
(-0.1 to 0.1 in. w.g.)
Airflow ±10% of full scale
Space Temperature ±1.0ºC (±2.0ºF)
Duct Temperature ±1.5ºC (±3ºF)
Humidity ±5% RH MRI, SPS, PHARMACY
Fluid Pressure ±10 kPa (±1.5 psi)
0–1 MPa (1–150 psi)
Fluid Pressure ±250 Pa (±1.0 in. w.g.) 0–12.5 kPa
(0–50 in. w.g.)
differential
11. Extent of direct digital control: control design shall allow for at least the points indicated on the points lists on the drawings.
1.6 WARRANTY
A. Labor and materials for control systems shall be warranted for a period as specified under Warranty in FAR clause 52.246-21.
B. Control system failures during the warranty period shall be adjusted, repaired, or replaced at no cost or reduction in service to the owner.
The system includes all computer equipment, transmission equipment, and all sensors and control devices.
C. The on-line support service shall allow the Controls supplier to dial out over telephone lines to or connect via (through password-limited access) VPN through the internet to monitor and control the facility’s building automation system. This remote connection to the facility shall be within two (2) hours of the time that the problem is reported.
This coverage shall include normal business hours, after business hours, weekend and holidays. If the problem cannot be resolved with on-line support services, the Controls supplier shall dispatch the qualified personnel to the job site to resolve the problem within 8 hours after the problem is reported.
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1.7 SUBMITTALS
A. Submit shop drawings in accordance with Section 01 33 23, SHOP
DRAWINGS, PRODUCT DATA, AND SAMPLES.
B. Manufacturer’s literature and data for all components including but not limited to the following:
1. A wiring diagram for each type of input device and output device including DDC controllers, modems, repeaters, etc. Diagram shall show how the device is wired and powered, showing typical connections at the digital controllers and each power supply, as well as the device itself. Show for all field connected devices, including but not limited to, control relays, motor starters, electric or electronic actuators, and temperature pressure, flow and humidity sensors and transmitters.
2. A diagram of each terminal strip, including digital controller terminal strips, terminal strip location, termination numbers and the associated point names.
3. Control dampers and control valves schedule, including the size and pressure drop.
4. Control air-supply components, and computations for sizing compressors, receivers and main air-piping, if pneumatic controls are furnished.
5. Catalog cut sheets of all equipment used. This includes, but is not limited to software (by manufacturer and by third parties), DDC controllers, panels, peripherals, airflow measuring stations and associated components, and auxiliary control devices such as sensors, actuators, and control dampers. When manufacturer’s cut sheets apply to a product series rather than a specific product, the data specifically applicable to the project shall be highlighted.
Each submitted piece of literature and drawings should clearly reference the specification and/or drawings that it supposed to represent.
6. Sequence of operations for each system and the associated control diagrams. Equipment and control labels shall correspond to those shown on the drawings.
7. Color prints of proposed graphics with a list of points for display.
8. Furnish a BACnet Protocol Implementation Conformance Statement
(PICS) for each BACnet-compliant device.
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9. Schematic wiring diagrams for all control, communication and power wiring. Provide a schematic drawing of the central system installation. Label all cables and ports with computer manufacturers’ model numbers and functions. Show all interface wiring to the control system.
10. An instrumentation list for each controlled system. Each element of the controlled system shall be listed in table format. The table shall show element name, type of device, manufacturer, model number, and product data sheet number.
11. Riser diagrams of wiring between central control unit(CCU)and all control panels.
12. Plan drawings showing routing of LAN and locations of control panels, controllers, routers, gateways, ECC, and larger controlled devices.
13. Construction details for all installed conduit, cabling, raceway, cabinets, and similar. Construction details of all penetrations and their protection.
14. Quantities of submitted items may be reviewed but it is the responsibility of the contractor administered by this Section of the technical specifications to provide sufficient quantities for a complete and working system.
C. Product Certificates: Compliance with Article, QUALITY ASSURANCE.
D. Licenses: Provide licenses for all software residing on and used by the
Controls Systems, ECC, and portable OWS and transfer these licenses to the Owner prior to completion.
E. As Built Control Drawings:
1. Furnish three (3) copies of as-built drawings for each control system. The documents shall be submitted for approval prior to final completion.
2. Furnish one (1) set of applicable control system prints for each mechanical system for wall mounting. The documents shall be submitted for approval prior to final completion.
3. Furnish one (1) CD-ROM in CAD DWG and/or .DXF format for the drawings noted in subparagraphs above.
F. Operation and Maintenance (O/M) Manuals):
1. Submit in accordance with Article, INSTRUCTIONS, in Specification
Section 01 00 00, GENERAL REQUIREMENTS.
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2. Include the following documentation:
a. General description and specifications for all components, including logging on/off, alarm handling, producing trend reports, overriding computer control, and changing set points and other variables.
b. Detailed illustrations of all the control systems specified for ease of maintenance and repair/replacement procedures, and complete calibration procedures.
c. One copy of the final version of all software provided including operating systems, programming language, operator workstation software, and graphics software.
d. Complete troubleshooting procedures and guidelines for all systems.
e. Complete operating instructions for all systems.
f. Recommended preventive maintenance procedures for all system components including a schedule of tasks for inspection, cleaning and calibration. Provide a list of recommended spare parts needed to minimize downtime.
g. Training Manuals: Submit the course outline and training material to the Owner for approval three (3) weeks prior to the training to VA facility personnel. These persons will be responsible for maintaining and the operation of the control systems, including programming. The Owner reserves the right to modify any or all of the course outline and training material.
h. Licenses, guaranty, and other pertaining documents for all equipment and systems.
G. Submit Performance Report to COR prior to final inspection.
1.8 INSTRUCTIONS
A. Instructions to VA operations personnel: Perform in accordance with
Article, INSTRUCTIONS, in Specification Section 01 00 00, GENERAL
REQUIREMENTS, and as noted below. First Phase: Formal instructions to the VA facilities personnel for a total of 16 hours, given in multiple training sessions (each no longer than four hours in length), conducted sometime between the completed installation and prior to the performance test period of the control system, at a time mutually agreeable to the Contractor and the VA.
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1. Second Phase: This phase of training shall comprise of on the job training during start-up, checkout period, and performance test period. VA facilities personnel will work with the Contractor’s installation and test personnel on a daily basis during start-up and checkout period. During the performance test period, controls subcontractor will provide 8 hours of instructions, given in multiple training sessions (each no longer than four hours in length), to the VA facilities personnel.
2. The O/M Manuals shall contain approved submittals as outlined in
Article 1.7, SUBMITTALS. The Controls subcontractor will review the manual contents with VA facilities personnel during second phase of training.
3. Training shall be given by direct employees of the controls system subcontractor.
1.9 PROJECT CONDITIONS (ENVIRONMENTAL CONDITIONS OF OPERATION)
A. The ECC and peripheral devices and system support equipment shall be designed to operate in ambient condition of 20 to 35C (65 to 90F) at a relative humidity of 20 to 80% non-condensing.
B. The Controllers used outdoors shall be mounted in NEMA 4 waterproof enclosures, and shall be rated for operation at –40 to 65C (-40 to
150F).
C. All electronic equipment shall operate properly with power fluctuations of plus 10 percent to minus 15 percent of nominal supply voltage.
D. Sensors and controlling devices shall be designed to operate in the environment, which they are sensing or controlling.
1.10 APPLICABLE PUBLICATIONS
A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.
B. American Society of Heating, Refrigerating, and Air-Conditioning
Engineers (ASHRAE):
135-2017................BACNET Building Automation and Control Networks
C. American Society of Mechanical Engineers (ASME):
B16.18-2018.............Cast Copper Alloy Solder Joint Pressure
Fittings.
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B16.22-2018.............Wrought Copper and Copper Alloy Solder Joint
Pressure Fittings.
D. American Society of Testing Materials (ASTM):
B32-2014................Standard Specification for Solder Metal
B88-2016................Standard Specifications for Seamless Copper
Water Tube
B88M-2018...............Standard Specification for Seamless Copper
Water Tube (Metric)
B280-2019...............Standard Specification for Seamless Copper Tube for Air-Conditioning and Refrigeration Field
Service
D2737-2018..............Standard Specification for Polyethylene (PE)
Plastic Tubing
E. Federal Communication Commission (FCC):
Rules and Regulations Title 47 Chapter 1-2014 Part 15: Radio Frequency
Devices.
F. Institute of Electrical and Electronic Engineers (IEEE):
802.3-2018..............Information Technology-Telecommunications and
Information Exchange between Systems-Local and
Metropolitan Area Networks- Specific
Requirements-Part 3: Carrier Sense Multiple
Access with Collision Detection (CSMA/CD)
Access method and Physical Layer Specifications
G. National Fire Protection Association (NFPA):
70-2017.................National Electric Code
90A-2018................Standard for Installation of Air-Conditioning and Ventilation Systems
H. Underwriter Laboratories Inc (UL):
94-2013.................Tests for Flammability of Plastic Materials for
Parts and Devices and Appliances
294-2013................Access Control System Units
486A/486B-2018..........Wire Connectors
555S-2014 (R2016).......Standard for Smoke Dampers
916-2015................Energy Management Equipment
1076-2018...............Proprietary Burglar Alarm Units and Systems
PART 2 – PRODUCS
2.1 MATERIALS
A. Use new products that the manufacturer is currently manufacturing and that have been installed in a minimum of 25 installations. Spare parts shall be available for at least five years after completion of this contract.
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2.2 CONTROLS SYSTEM ARCHITECTURE
SPEC WRITER NOTE: Coordinate with Design
Team and/or COR and edit as per project specific requirements.
A. General
1. The Controls Systems shall consist of multiple Nodes and associated equipment connected by industry standard digital and communication network arrangements.
2. The ECC, building controllers and principal communications network equipment shall be standard products of recognized major manufacturers available through normal PC and computer vendor channels – not "Clones" assembled by a third-party subcontractor.
3. The networks shall, at minimum, comprise, as necessary, the following:
a. A fixed ECC and a portable operator’s terminal.
b. Network computer processing, data storage and BACnet-compliant communication equipment including Servers and digital data processors.
c. BACnet-compliant routers, bridges, switches, hubs, modems, gateways, interfaces and similar communication equipment.
d. Active processing BACnet-compliant building controllers connected to other BACNet-compliant controllers together with their power supplies and associated equipment.
e. Addressable elements, sensors, transducers and end devices.
f. Third-party equipment interfaces and gateways as described and required by the Contract Documents.
g. Other components required for a complete and working Control
Systems as specified.
B. The Specifications for the individual elements and component subsystems shall be minimum requirements and shall be augmented as necessary by the Contractor to achieve both compliance with all applicable codes, standards, and to meet all requirements of the Contract Documents.
C. Network Architecture
1. The Controls communication network shall utilize BACnet communications protocol operating over a standard Ethernet LAN and operate at a minimum speed of 100 Mb/sec.
2. The networks shall utilize only copper and optical fiber communication media as appropriate and shall comply with applicable
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3. All necessary telephone lines, ISDN lines and internet Service
Provider services and connections will be provided by the VA.
D. Third Party Interfaces:
1. The contractor administered by this Section of the technical specifications shall include necessary hardware, equipment, software and programming to allow data communications between the controls systems and building systems supplied by other trades.
2. Other manufacturers and contractors supplying other associated systems and equipment shall provide their necessary hardware, software and start-up at their cost and shall cooperate fully with the contractor administered by this Section of the technical specifications in a timely manner and at their cost to ensure complete functional integration.
E. Servers:
1. Provide data storage server(s) to archive historical data including trends, alarm and event histories and transaction logs.
2. Equip these server(s) with the same software tool set that is located in the BACnet building controllers for system configuration and custom logic definition and color graphic configuration.
3. Access to all information on the data storage server(s) shall be through the same browser functionality used to access individual nodes. When logged onto a server the operator will be able to also interact with any other controller on the control system as required for the functional operation of the controls systems. The contractor administered by this Section of the technical specifications shall provide all necessary digital processor programmable data storage server(s).
4. These server(s) shall be utilized for controls systems application configuration, for archiving, reporting and trending of data, for operator transaction archiving and reporting, for network information management, for alarm annunciation, for operator interface tasks, for controls application management and similar.
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2.3 COMMUNICATION
A. Control products, communication media, connectors, repeaters, hubs, and routers shall comprise a BACnet internetwork. Controller and operator interface communication shall conform to ANSI/ASHRAE Standard 135, BACnet.
1. The Data link / physical layer protocol between the ECC and all B-
BC’s (for communication) acceptable to the VA throughout its facilities is Ethernet (ISO 8802-3) and BACnet/IP.
B. Internetwork operator interface and value passing shall be transparent to internetwork architecture.
1. An operator interface connected to a controller shall allow the operator to interface with each internetwork controller as if directly connected. Controller information such as data, status, reports, system software, and custom programs shall be viewable and editable from each internet controller.
2. Inputs, outputs, and control variables used to integrate control strategies across multiple controllers shall be readable by each controller on the internetwork. Program and test all cross-controller links required to execute specified control system operation. An authorized operator shall be able to edit cross-controller links by typing a standard object address.
C. ECCs and Controllers with real-time clocks shall use the BACnet Time
Synchronization service. The system shall automatically synchronize system clocks daily from an operator-designated device via the internetwork. The system shall automatically adjust for daylight savings and standard time as applicable.
D. ECC Software:
1. Provide for automatic system database save and restore on the ECC’s hard disk a copy of the current database of each Controller. This database shall be updated whenever a change is made in any system panel. In the event of a database loss in a building management panel, the ECC shall automatically restore the database for that panel. This capability may be disabled by the operator.
2. Provide for manual database save and restore. An operator with proper clearance shall be able to save the database from any system panel. The operator also shall be able to clear a panel database and
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3. Provide a method of configuring the system. This shall allow for future system changes or additions by users with proper clearance.
4. Operating System. Furnish a concurrent multi-tasking operating system. The operating system also shall support the use of other common software applications. Acceptable operating systems are
Windows Server //2019//, Linux, and UNIX.
5. System Graphics. The operator workstation software shall be graphically oriented. The system shall allow display of up to 10 graphic screens at once for comparison and monitoring of system status. Provide a method for the operator to easily move between graphic displays and change the size and location of graphic displays on the screen. The system graphics shall be able to be modified while on-line. An operator with the proper password level shall be able to add, delete, or change dynamic objects on a graphic. Dynamic objects shall include analog and binary values, dynamic text, static text, and animation files. Graphics shall have the ability to show animation by shifting image files based on the status of the object.
6. Custom Graphics. Custom graphic files shall be created with the use of a graphics generation package furnished with the system. The graphics generation package shall be a graphically based system that uses the mouse to create and modify graphics that are saved in industry standard formats such as PCX, TIFF, and GEM. The graphics generation package also shall provide the capability of capturing or converting graphics from other programs such as Designer or AutoCAD.
7. Graphics Library. Furnish a complete library of standard HVAC equipment graphics such as chillers, boilers, air handlers, terminals, fan coils, and unit ventilators. This library also shall include standard symbols for other equipment including fans, pumps, coils, valves, piping, dampers, and ductwork. The library shall be furnished in a file format compatible with the graphics generation package program.
8. The Controls Systems Operator Interfaces shall be user friendly, readily understood and shall make maximum use of colors, graphics, icons, embedded images, animation, text based information and data
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9. Provide graphical user software, which shall minimize the use of keyboard through the use of the mouse and "point and click" approach to menu selection.
10. The software shall provide a multi-tasking type environment that will allow the user to run several applications simultaneously. The mouse or Alt-Tab keys shall be used to quickly select and switch between multiple applications. The operator shall be able automatically export data to and work in Microsoft Word, Excel, and other Windows based software programs, while concurrently on-line system alarms and monitoring information.
11. On-Line Help. Provide a context-sensitive, on-line help system to assist the operator in operating and editing the system. On-line help shall be available for all applications and shall provide the relevant data for that particular screen. Additional help information shall be available through the use of hypertext.
12. User access shall be protected by a flexible and Owner re-definable software-based password access protection. Password protection shall be multi-level and partition able to accommodate the varied access requirements of the different user groups to which individual users may be assigned. Provide the means to define unique access privileges for each individual authorized user. Provide the means to on-line manage password access control under the control of a project specific Master Password. Provide an audit trail of all user activity on the Controls Systems including all actions and changes.
13. The system shall be completely field-programmable from the common operator’s keyboard thus allowing hard disk storage of all data automatically. All programs for the CUs shall be able to be downloaded from the hard disk. The software shall provide the following functionality as a minimum:
a. Point database editing, storage and downloading of controller databases.
b. Scheduling and override of building environmental control systems.
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c. Collection and analysis of historical data.
d. Alarm reporting, routing, messaging, and acknowledgement.
e. Definition and construction of dynamic color graphic displays.
f. Real-time graphical viewing and control of environment.
g. Scheduling trend reports.
h. Program editing.
i. Operating activity log and system security.
j. Transfer data to third party software.
14. Provide functionality such that using the least number of steps to initiate the desired event may perform any of the following simultaneously:
a. Dynamic color graphics and graphic control.
b. Alarm management.
c. Event scheduling.
d. Dynamic trend definition and presentation.
e. Program and database editing.
f. Each operator shall be required to log on to the system with a username and password to view, edit or delete the data. System security shall be selectable for each operator, and the password shall be able to restrict the operator’s access for viewing and changing the system programs. Each operator shall automatically be logged off the system if no keyboard or mouse activity is detected for a selected time.
15. Graphic Displays:
a. The workstation shall allow the operator to access various system schematics and floor plans via a graphical penetration scheme, menu selection, or text-based commands. Graphic software shall permit the importing of AutoCAD or scanned pictures in the industry standard format (such as PCX, BMP, GIF, and JPEG) for use in the system.
b. System Graphics shall be project specific and schematically correct for each system. (ie: coils, fans, dampers located per equipment supplied with project.) Standard system graphics that do not match equipment or system configurations are not acceptable. Operator shall have capability to manually operate the entire system from each graphic screen at the ECC. Each
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c. Dynamic temperature values, humidity values, flow rates, and status indication shall be shown in their locations and shall automatically update to represent current conditions without operator intervention and without pre-defined screen refresh values.
d. Color shall be used to indicate status and change in status of the equipment. The state colors shall be user definable.
e. A clipart library of HVAC equipment, such as chillers, boilers, air handling units, fans, terminal units, pumps, coils, standard ductwork, piping, valves and laboratory symbols shall be provided in the system.
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