Attachment 9_Volume 2 100 CD Specifications.pdf

DEPARTMENT OF VETERAN AFFAIRS

PROGRAM CONTRACTING ACTIVITY CENTRAL

6100 Oak Tree Blvd, Suite 460 Independence, OH 44131

1009 Bayou Place Alexandria, LA 71303

(318) 445-6571

1151 Kildaire Farm Road

Cary, NC 27511

(919) 838-7622

Specifications

Tuscaloosa, Laundry Renovation and Addition Building 18

Tuscaloosa VA Medical Center

3701 Loop Road

Tuscaloosa, AL 35404

100% Construction Documents – Volume 2

February 26, 2026

Project Number: 679-24-102

SPECIFICATIONS

AND

CONTRACT DOCUMENTS

FOR

Tuscaloosa, Laundry Renovation and Addition Building 18 Tuscaloosa VA Medical Center

Of the Augusta VAMC 3701 Loop Road

Tuscaloosa, AL 35404

VA 679-24-102

BALLARD CLC, INC.

PROJECT NO. 233200

BALLARD CLC, INC.

1009 BAYOU PLACE

ALEXANDRIA, LA 71303

FEBRUARY 26, 2026

William Aldridge, AIA, NCARB Ballard CLC, Inc. Ballard CLC, Inc.

Reg. Architect No. 9349 Professional Engineer No. 28875 State of Alabama State of Alabama

This specification is the property of Ballard CLC, Inc., and is submitted on the condition that it shall not be reproduced or copied in whole or in part without prior written consent of Ballard CLC, Inc.

Foresite Group, LLC Professional Engineer No. PE051563 State of Georgia

02/26/26

Apogee Consulting Group, P.A.

Professional Engineer No. 23894 State of North Carolina

Apogee Consulting Group, P.A.

Professional Engineer No. 057626 State of North Carolina

Tuscaloosa, Apogee Consulting Group, P.A.

Professional Engineer No. 9300406 State of Indiana

Apogee Consulting Group, P.A.

Registered Communications Distribution Designer BICSI ID. 3711721

Docusign Envelope ID: 169E7DFF-8E07-4C0E-A911-D647CA4AAAD4

Tuscaloosa VAMC February 26, 2026

Laundry Renovation and Addition Bldg.18 100% Construction Documents

Tuscaloosa, AL 35404 Project No: 679-24-102

00 01 10-1

DEPARTMENT OF VETERANS AFFAIRS

VHA MASTER SPECIFICATIONS

TABLE OF CONTENTS

Section 00 01 10

SECTION NO DIVISION AND SECTION TITLES DATE

VOLUME 1

DIVISION 00 - SPECIAL SECTIONS

00 01 15 List of Drawing Sheets 05-20

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00 General Requirements 11-21

01 33 23 Shop Drawings, Product Data, and Samples 11-23

01 45 00 Quality Control 02-21

01 45 29 Testing Laboratory Services 11-21

01 45 35 Special Inspections 11-21

01 45 35 Special Inspections Schedule

01 74 19 Construction Waste Management 04-22

01 81 13 Sustainable Construction Requirements 10-17

01 91 00 General Commissioning Requirements

DIVISION 02 – EXISTING CONDITIONS

02 41 00 Demolition 08-17

02 83 33.13 Lead-Based Paint Removal and Disposal 01-21

DIVISION 03 – CONCRETE

03 01 30 Maintenance of Cast-In-Place Concrete

03 30 00 Cast-in-Place Concrete 01-21

DIVISION 04 – MASONRY

04 01 00 Maintenance of Masonry 01-21

04 05 13 Masonry Mortaring 11-21

04 05 16 Masonry Grouting 11-21

04 20 00 Unit Masonry 08-17

DIVISION 05 – METALS

05 12 00 Structural Steel Framing 11-18

05 31 00 Steel Decking 01-21

00 01 10-2

DIVISION 06 – WOOD, PLASTICS AND COMPOSITES

06 10 00 Rough Carpentry 10-17

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 21 13 Thermal Insulation 01-21

07 22 00 Roof and Deck Insulation 01-21

07 27 27 Fluid-Applied Membrane Air Barrier, Vapor Retarding 01-21

07 54 23 Thermoplastic Polyolefin (TPO) Roofing 01-21

07 60 00 Flashing and Sheet Metal 01-21

07 84 00 Firestopping 01-21

07 92 00 Joint Sealants 04-22

DIVISION 08 - OPENINGS

08 51 13 Aluminum Windows 01-21

08 51 13.11 Side-Hinged Aluminum Windows 01-21

08 51 69.11 Aluminum Storm Windows 01-21

08 52 00 Historic Aluminum Windows

08 56 53 Blast Resistant Windows 01-21

08 71 00 Door Hardware 03-24

08 71 13 Automatic Door Operators 01-21

08 80 00 Glazing 01-21

08 90 00 Louvers and Vents 01-21

DIVISION 09 – FINISHES

09 22 16 Non-Structural Metal Framing 06-18

09 30 13 Ceramic/Porcelain Tiling 01-21

09.67.23.40 Resinous Poured In Place Resilient Flooring (RES-4) 01-21

09 91 00 Painting 01-21

DIVISION 10 – SPECIALTIES

10 28 00 Toilet, Bath, and Laundry Accessories 01-21

10 44 13 Fire Extinguisher Cabinets 08-18

DIVISION 21- FIRE SUPPRESSION

21 13 13 Wet-Pipe Sprinkler Systems 06-15

DIVISION 22 – PLUMBING

22 05 11 Common Work Results for Plumbing 01-23

22 05 12 General Motor Requirements for Plumbing Equipment 09-20

22 05 19 Meters and Gages for Plumbing Piping 09-20

22 05 23 General-Duty Valves for Plumbing Piping 09-20

22 07 11 Plumbing Insulation 09-19

22 08 00 Commissioning of Plumbing Systems

00 01 10-3

22 11 00 Facility Water Distribution 05-21

22 11 23 Domestic Water Pumps 09-15

22 13 00 Facility Sanitary and Vent Piping 09-20

22 14 29 Sump Pumps 09-15

22 33 00 Electric Domestic Water Heaters 09-20

22 35 00 Domestic Water Heat Exchangers 09-20

22 40 00 Plumbing Fixtures 05-24

DIVISION 23 – HEATING, VENTILATING, AND AIR

CONDITIONING (HVAC)

23 05 11 Common Work Results for HVAC 03-23

23 05 12 General Motor Requirements for HVAC and Steam

Generation Equipment

03-23

23 05 93 Testing, Adjusting, and Balancing for HVAC 03-23

23 07 11 HVAC and Boiler Plant Insulation 02-20

23 08 00 Commissioning of HVAC Systems 03-23

VOLUME 2

23 09 23 Direct-Digital Control System for HVAC 03-23

23 10 00 Facility Fuel Systems 04-20

23 21 13 Hydronic Piping 03-23

23 21 23 Hydronic Pumps 03-23 23 22 13 Steam and Condensate Heating Piping 03-24 23 23 00 Refrigerant Piping 03-24

23 31 00 HVAC Ducts and Casings 03-23

23 34 00 HVAC Fans 03-23

23 37 00 Air Outlets and Inlets 03-23

23 40 00 HVAC Air Cleaning Devices 03-23

23 74 13 Packaged, Outdoor, Central-Station Air-Handling Units 03-23

23 82 00 Convection Heating and Cooling Units 03-23

23 82 16 Air Coils 03-24

DIVISION 25 – INTEGRATED AUTOMATION

25 10 10 Advanced Utility Metering System 02-10

DIVISION 26 – ELECTRICAL

26 05 11 Requirements for Electrical Installations 11-22

26 05 19 Low-Voltage Electrical Power Conductors and Cables 11-22

26 05 26 Grounding and Bonding for Electrical Systems 11-22

26 05 33 Raceway and Boxes for Electrical Systems 11-22

26 05 41 Underground Electrical Construction 11-22

26 05 73 Overcurrent Protective Device Coordination Study 11-22

26 08 00 Commissioning of Electrical Systems

26 09 23 Lighting Controls 11-22

26 22 00 Low-Voltage Transformers 11-22

00 01 10-4

26 24 13 Distribution Switchboards 11-22

26 24 16 Panelboards 11-22

26 27 26 Wiring Devices 11-22

26 29 11 Motor Controllers 11-22

26 29 21 Enclosed Switches and Circuit Breakers 11-22

26 32 13 Engine Generators 11-22

26 36 23 Automatic Transfer Switches 11-22

26 41 00 Facility Lightning Protection 11-22

26 43 13 Surge Protective Devices 11-22

26 51 00 Interior Lighting 03-24

26 56 00 Exterior Lighting 11-22

DIVISION 27 – COMMUNICATIONS

27 05 11 Requirements for Communications Installations 09-19

27 05 26 Grounding and Bonding for Communications Systems 06-15

27 05 33 Raceways and Boxes for Communications Systems 10-18

27 05 53 Identification for Communications Systems

27 11 16 Communications Cabinets, Racks, Frames, and Enclosures

27 11 19 Communications Termination Blocks and Patch Panels

27 11 26 Communications Rack Mounted Power Protection and Power

Strips

27 15 13 Communications Copper Horizontal Cabling

27 16 19 Communications Patch Cords, Station Cords, and Cross

Connect Wire

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

28 05 00 Common Work Results for Electronic Safety and Security 04-18

28 05 13 Conductors and Cables for Electronic Safety and

Security

10-18

28 05 28.33 Conduits and Backboxes for Electronic Safety and

Security

09-11

28 13 00 Physical Access Control System 10-11

28 23 00 Video Surveillance 09-11

28 31 00 Fire Detection and Alarm 10-11

DIVISION 31 – EARTHWORK

31 20 11 Earthwork (Short Form) 10-12

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 05 23 Cement and Concrete for Exterior Improvements 08-16

32 12 16 Asphalt Paving 09-15

32 17 23 Pavement Markings 08-16

32 31 13 Chain Link Fences and Gates 06-18

DIVISION 33 – UTILITIES

00 01 10-5

33 10 00 Water Utilities 03-17

DIVISION 34 – TRANSPORTATION

34 71 13 Passive Vehicle Barriers 04-18

34 75 13.13 Active Vehicle Barriers 08-16

Laundry Renovation and Addition Bldg. 18 100% Construction Documents

23 09 23 - 1

SECTION 23 09 23

DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC

PART 1 - GENERAL

1.1 DESCRIPTION

General Contractor shall provide direct-digital control system(s) to tie into the existing 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 startup, training, final project documentation and warranty. A System Integrator and Direct Digital

Controls Contractor shall be two separate direct subcontractors of

General Contractor.

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, and an

Engineering Control Center. Provide a remote user using a standard

HTML 5 web browser to access the control system graphics and change adjustable setpoints with the proper password.

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, 23 09 23 - 2 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 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.

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.

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.

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:

23 09 23 - 3

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.

3. Steam trap monitoring system: Monitoring and alarms shall be connected to the ECC via BACnet.

4. Variable frequency drives. These controls, if not native BACnet, will require a BACnet Gateway.

5. The following systems have limited control (as individually noted below) from the ECC:

a. Emergency generators: status alarms.

b. Domestic water heating systems: low temperature, high temperature and status alarms.

c. Sanitary sewage pumps: status alarm.

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 Div. 23 Div. 23 N/A Div. 26

Controllers for terminal units

23 09 23 Div. 23 23 09 23 Div. 26

LAN conduits and raceway 23 09 23 23 09 23 N/A N/A

Automatic dampers (not furnished with equipment)

23 09 23 Div. 23 23 09 23 N/A

Automatic damper actuators 23 09 23 23 09 23 23 09 23 23 09 23

Manual valves Div. 23 Div. 23 N/A N/A

Automatic valves 23 09 23 Div. 23 23 09 23 23 09 23

Pipe insertion devices and taps, flow and pressure stations.

Div. 23 Div. 23 N/A N/A

Thermowells 23 09 23 Div. 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 Div. 26

All control system nodes, equipment, housings, enclosures and panels.

23 09 23 23 09 23 23 09 23 Div. 26

VFDs Div. 23 Div. 26 23 09 23 Div. 26

23 09 23 - 4

Work/Item/System Furnish Install Low

Voltage

Wiring

Line

Power

Fire Alarm shutdown relay interlock wiring

Div. 28 Div. 28 Div. 28 Div. 26

Starters, HOA switches Div. 23 Div. 23 N/A Div. 26

Steam Trap Monitoring not in Boiler Plant

23 22 13 23 22 13 Div. 26 Div. 26 for licenses residing in the B-BC’s or B-

AAC’s.

This facility’s existing direct-digital control (DDC) system is manufactured by Johnson Controls Inc.. The existing system’s top-end communications is via BACnet. 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. Leave existing direct-digital control system intact and in place.

Provide a new ASHRAE Standard 135 BACnet-compliant controls for the new AHUs, generator moniutoring and control. provide a new standalone BACnet-compliant control system serving the work in this project. Full interoperability with the existing BAS system is required.

This campus has standardized on an existing standard ASHRAE Standard

135, BACnet/IP Control System supported by a preselected controls service company. This entity is referred to as the “Control System

Integrator” in this Section of the technical specifications. The

Control system integrator is responsible for ECC system graphics and expansion. It also prescribes control system-specific commissioning/ verification procedures to the contractor administered by this Section of the technical specification. It lastly provides limited assistance to the contractor administered by this Section of the technical specification in its commissioning/verification work.

1. The General Contractor of this project shall directly hire the

Control System Integrator in a contract separate from the contract procuring the controls contractor administered by this Section of the technical specifications.

2. The contractor administered by this Section of the technical specifications shall coordinate all work with the Control System

Integrator. The contractor administered by this Section of the technical specifications shall integrate the ASHRAE Standard 135, 23 09 23 - 5

BACnet/IP control network(s) with the Control System Integrator’s B-

AWS through an Ethernet connection provided by either the Control

System Integrator or VA.

3. The contractor administered by this Section of the technical specifications shall provide a peer-to-peer networked, stand-alone, distributed control system. This direct digital control (DDC) system at least shall include one portable operator terminal - laptop, one digital display unit, microprocessor-based controllers, instrumentation, end control devices, wiring, piping, software, and related systems. This contractor is responsible for all device mounting and wiring.

4. Responsibility Table:

Item/Task Section

23 09 23 contactor

Control system integrator

VA

ECC expansion X

ECC programming X

Devices, controllers, control panels and equipment

X

Point addressing: all hardware and software points including setpoint, calculated point, data point(analog/ binary), and reset schedule point

X

Point mapping X

Network Programming X

ECC Graphics X

Controller programming and sequences X

Integrity of LAN communications X

Electrical wiring X

Operator system training X

LAN connections to devices X

LAN connections to ECC X

IP addresses X

Overall system verification (Cx) X

Controller and system verification X

Unitary standalone systems including Unit Heaters, Cabinet Unit

Heaters, and similar units for control of room environment conditions may be equipped with integral controls furnished and installed by the equipment manufacturer or field mounted. Refer to equipment

23 09 23 - 6 specifications and as indicated in project documents. Application of standalone unitary controls is limited to at least those systems wherein remote monitoring, alarm and startup are not necessary.

Examples of such systems include:

1. Light-switch-operated toilet exhaust

2. Mechanical or electrical room heating and ventilation.

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

Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS.

Section 23 21 13, Hydronic Piping.

Section 23 22 13, Steam and Condensate Heating Piping.

Section 23 31 00, HVAC Ducts and Casings.

Section 23 36 00, Air Terminal Units.

Section 23 74 13, Packaged, Outdoor, Central-Station Air-Handling

Units.

Section 23 81 43, Air-Source Unitary Heat Pumps.

Section 26 05 11, Requirements for Electrical Installations.

Section 26 05 19, Low-Voltage Electrical Power Conductors and Cables

(600 Volts and Below).

Section 26 05 26, Grounding and Bonding for Electrical Systems.

Section 26 05 33, Raceway and Boxes for Electrical Systems.

Section 26 27 26, Wiring Devices.

Section 26 29 11, Motor Starters. Section 26 32 13, Engine Generators.

Section 27 15 00, Communications Horizontal Cabling.

Section 28 31 00, Fire Detection and Alarm.

1.3 DEFINITION

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.

Analog: A continuously varying signal value (e.g., temperature, current, velocity etc.

23 09 23 - 7

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.

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

BACnet/IP network is a collection of one or more IP sub-networks that share the same BACnet network number.

BACnet Internetwork: Two or more BACnet networks connected with routers. The two networks may use different LAN technologies.

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.

BACnet Segment: One or more physical segments of BACnet devices on a

BACnet network, connected at the physical layer by repeaters.

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.

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.

BACnet Testing Laboratories (BTL). The organization responsible for testing products for compliance with the BACnet standard, operated under the direction of BACnet International.

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).

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.

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.

Bus Topology: A network topology that physically interconnects workstations and network devices in parallel on a network segment.

23 09 23 - 8

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.

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).

Device: a control system component that contains a BACnet Device Object and uses BACnet to communicate with other devices.

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.

Device Profile: A specific group of services describing BACnet capabilities of a device, as defined in ASHRAE Standard 135, 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.

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.

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.

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.

23 09 23 - 9

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.

DXF: An AutoCAD 2-D graphics file format. Many CAD systems import and export the DXF format for graphics interchange.

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.

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.

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.

Ethernet: A trademark for a system for exchanging messages between computers on a local area network using coaxial, fiber optic, or twisted-pair cables.

Firmware: Firmware is software programmed into read only memory (ROM) chips. Software may not be changed without physically altering the chip.

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.

GIF: Abbreviation of Graphic interchange format.

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.

Graphic Sequence of Operation: It is a graphical representation of the sequence of operation, showing all inputs and output logical blocks.

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

23 09 23 - 10 digital pulses (values), represent motor status, filter status, on-off equipment etc.

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) establishes "sessions", which have end-to-end confirmation and guaranteed sequence of delivery.

JPEG: A standardized image compression mechanism stands for Joint

Photographic Experts Group, the original name of the committee that wrote the standard.

Local Area Network (LAN): A communication bus that interconnects operator workstation and digital controllers for peer-to-peer communications, sharing resources and exchanging information.

Network Repeater: A device that receives data packets from one network and rebroadcasts to another network. No routing information is added to the protocol.

MS/TP: Master-slave/token-passing (ISO/IEC 8802-3:2021). It uses twisted-pair wiring for relatively low speed and low-cost communication.

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.

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.

Object: The concept of organizing BACnet information into standard components with various associated properties. Examples include analog input objects and binary output objects.

Object Identifier: An object property used to identify the object, including object type and instance. Object Identifiers must be unique within a device.

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.

23 09 23 - 11

Operating system (OS): Software, which controls the execution of computer application programs.

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.

Peripheral: Different components that make the control system function as one unit. Peripherals include monitor, printer, and I/O unit.

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.

PICS: Protocol Implementation Conformance Statement, describing the

BACnet capabilities of a device. All BACnet devices have published

PICS.

PID: Proportional, integral, and derivative control, used to control modulating equipment to maintain a setpoint.

Repeater: A network component that connects two or more physical segments at the physical layer.

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.

Sensors: devices measuring state points or flows, which are then transmitted back to the DDC system.

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

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.

23 09 23 - 12

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 that the Department of Veterans Affairs (VA) representative could observe the control systems in full operation.

4. The controls subcontractor shall have an in-place facility within 25 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. Provide evidence of experience by submitting resumes of the project manager, the local branch manager, project engineer, the application engineering staff, and the electronic technicians who would be involved with the supervision, the engineering, and the installation of the control systems. Training and experience of these personnel shall not be less than three years. Failure to disclose this information will be a ground for disqualification of the supplier.

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.

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.

23 09 23 - 13

1.5 PERFORMANCE

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 or displayed at a controller or work-station will be current, within the prior six (6) seconds.

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 ±0.5 degrees C (±1 degrees F)

Ducted air temperature ±0.5 degrees C [±1 degrees F]

23 09 23 - 14

Outdoor air temperature ±1.0 degrees C [±2 degrees F]

Dew Point ±1.5 degrees C [±3 degrees F]

Water temperature ±0.5 degrees C [±1 degrees F]

Relative humidity ±2 percent RH

Water flow ±1 percent of reading

Air flow (terminal) ±10 percent of reading

Air flow (measuring stations) ±5 percent of reading

Air pressure (ducts) ±25 Pa [±0.1 inch wg]

Air pressure (space) ±0.3 Pa [±0.001 inch wg]

Water pressure ±2 percent of full scale *Note 1

Electrical Power ±0.5 percent of reading

Note 1: for both absolute and differential pressure.

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 inch wg) 0–1.5 kPa (0–6 inch wg)

Air Pressure ±3 Pa (±0.01 inch wg) -25 to 25 Pa

(-0.1 to 0.1 inch wg)

Airflow ±10 percent of full scale

Space Temperature ±1.0ºC (±2.0 degrees F)

Duct Temperature ±1.5ºC (±3 degrees F)

Fluid Pressure ±10 kPa (±1.5 psig) 0–1 MPa (1–150 psig)

Fluid Pressure ±250 Pa (±1.0 inch wg) 0–12.5 kPa

(0–50 inch wg) 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

Labor and materials for control systems shall be warranted for a period as specified under Warranty in FAR clause 52.246-21.

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.

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

23 09 23 - 15 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 24 hours after the problem is reported.

Controls subcontractor shall be responsible for temporary operations and maintenance of the control systems during the construction period until final commissioning, training of facility operators and acceptance of the project by VA.

1.7 SUBMITTALS

Submit shop drawings in accordance with Section 01 33 23, SHOP

DRAWINGS, PRODUCT DATA, AND SAMPLES.

Information and material submitted under this section shall be marked

“SUBMITTED UNDER SECTION 23 09 23, DIRECT-DIGITAL CONTROL SYSTEM FOR

HVAC”, with applicable paragraph identification.

Manufacturer’s Literature and Data Including:

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

23 09 23 - 16 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.

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.

Product Certificates: Compliance with Article, QUALITY ASSURANCE.

Validation Test Plan: Along with manufacturer’s literature, product certificates, wiring and functional diagrams, and sequence of operations, submit for review and approval a Validation Test Plan which

23 09 23 - 17 is specific to the work of this project and which references the specific controls component nomenclatures found in the control contractor’s wiring and functional diagrams and the specific sequences of controls for this project and which describes how the contractor will implement the controls system validation and demonstration as specified in paragraph 3.2 SYSTEM VALIDATION AND DEMONSTRATION found in this section.

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.

As Built Control Drawings:

1. 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.

2. Furnish to the VA COR AutoCAD DWG and/or .DXF format drawings noted in subparagraphs above.

Operation and Maintenance (O/M) Manuals):

1. Submit in accordance with Article, INSTRUCTIONS, in Specification

Section 01 00 00, GENERAL REQUIREMENTS.

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.

23 09 23 - 18

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.

Submit Performance Report to COR prior to final inspection.

1.8 INSTRUCTIONS

Instructions to VA operations personnel: Perform in accordance with

Article, INSTRUCTIONS, in Specification Section 01 00 00, GENERAL

REQUIREMENTS, and as noted below.

1. Provide 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.

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)

The ECC and peripheral devices and system support equipment shall be designed to operate in ambient condition of 20 to 35 degrees C (65 to

90 degrees F) at a relative humidity of 20 to 80 percent non-condensing.

The Controllers used outdoors shall be mounted in NEMA 4 waterproof enclosures, and shall be rated for operation at –40 to 65 degrees C (-

40 to 150 degrees F).

All electronic equipment shall operate properly with power fluctuations of plus 10 percent to minus 15 percent of nominal supply voltage.

Sensors and controlling devices shall be designed to operate in the environment, which they are sensing or controlling.

23 09 23 - 19

1.10 APPLICABLE PUBLICATIONS

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. Where conflicts occur these specifications and the VHA standards will govern.

American Society of Heating, Refrigerating, and Air-Conditioning

Engineers (ASHRAE):

135-2020(A2024).........BACnet A Data Communication Protocol for

Building Automation and Control Networks

147-2019(A2024).........Reducing the Release of Halogenated

Refrigerants from Refrigerating and Air-

Conditioning Equipment and Systems

Federal Communication Commission (FCC):

Rules and Regulations Title 47 Chapter 1-2014 Part 15: Radio Frequency

Devices

Institute of Electrical and Electronic Engineers (IEEE):

802.3-2022(A2024).......Standard for Ethernet

National Fire Protection Association (NFPA):

70-2023.................National Electric Code

PART 2 - PRODUCTS

2.1 MATERIALS

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.

2.2 CONTROLS SYSTEM ARCHITECTURE

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:

23 09 23 - 20

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.

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.

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 codes, ordinances, and regulations. They may also utilize digital wireless technologies as appropriate to the application and if approved by the VA.

3. All necessary telephone lines, ISDN lines and internet Service

Provider services and connections will be provided by the VA.

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 startup at their cost and shall cooperate fully with

23 09 23 - 21 the contractor administered by this Section of the technical specifications in a timely manner and at their cost to ensure complete functional integration.

Servers:

1. Use the existing data servers for the BAS system.

2. 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).

3. 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.

2.3 COMMUNICATION

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.

Each controller shall have a communication port for connection to an operator interface.

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…