12_A2_Drawings and Specifications_Attachment.pdf

Relay Ground Station -South (RGS-S) - Schriever SFB, CO SHCO00104

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 86 10.01

MECHANICAL REQUIREMENTS (HVAC)

03/24

PART 1 GENERAL

1.1 MECHANICAL SYSTEM CRITERIA

1.1.1 General Parameters/References

1.2 FACILITY DESCRIPTION

1.3 MECHANICAL SCOPE OF WORK

1.3.1 Mechanical General Requirements

1.3.2 Mechanical/Electrical Equipment Coordination

1.3.3 Submittal Requirements

1.3.4 Sustainable Design

1.3.5 Description of Work

1.3.5.1 Room Descriptions

1.3.5.1.1 Shelters

1.4 MECHANICAL SYSTEMS

1.4.1 Environmental Control Units

1.5 DESIGN CONDITIONS

1.5.1 Site Elevation

1.5.2 Latitude

1.5.3 Longitude

1.5.4 Outside Design Conditions

1.5.5 Inside Design Conditions

1.5.6 Minimum Ventilation Requirements

1.5.7 Cooling Load

1.5.8 Building Heating Load

1.5.9 Noise Levels

1.5.10 Structural

1.5.11 Operation

1.5.12 Mechanical/Electrical Equipment Coordination

1.5.13 Utility Interruption

1.5.14 Spare Parts List

1.6 EQUIPMENT IDENTIFICATION AND ABBREVIATIONS

1.6.1 Abbreviations

1.7 SEISMIC PROTECTION FOR MECHANICAL PIPING, DUCTWORK, AND EQUIPMENT

1.7.1 Piping

1.7.2 Ductwork

1.7.3 Miscellaneous Equipment

1.8 THERMAL INSULATION OF MECHANICAL SYSTEMS

1.8.1 Insulation Covers

1.9 AIR SUPPLY AND DISTRIBUTION SYSTEM REQUIREMENTS

1.9.1 Equipment Capacities

1.9.2 Outdoor Air Ventilation Rates

1.9.3 Noise Criteria

1.10 VENTILATION AND EXHAUST SYSTEMS

1.10.1 Intake, Relief and Exhaust Requirements

1.10.2 Exhaust Fans

1.11 CYBERSECURITY

SECTION 01 86 10.01 Page 1Am #0002

1.12 BUILDING TEMPERATURE CONTROL SYSTEM

1.12.1 General DDC Requirements

1.12.2 Alarm Monitoring

1.12.3 Stand-Alone Operation

1.12.4 Input / Output Devices

1.12.5 Control Wiring

1.12.6 Control Valves and Actuators

1.12.7 Control Dampers and Actuators

1.12.8 Control Schematic

1.12.9 Sequence of Control

1.12.10 Description of Components

1.12.11 Legends and Schedules

1.12.12 System Checklists and Startup Instructions

1.13 TESTING, ADJUSTING, AND BALANCING (TAB) OF HVAC SYSTEMS

1.13.1 Balancing Firm Qualifications

1.13.2 Balancing, Commissioning and Integration

1.14 COMMISSIONING OF HVAC SYSTEMS

1.14.1 General

1.14.2 Commissioning Firm Qualifications

1.14.3 Checklists

1.14.4 Pre-commissioning Checks

1.14.5 Functional Performance Tests

1.15 OPERATION AND MAINTENANCE REQUIREMENTS

1.15.1 Facility Operation and Maintenance Manuals

1.15.2 Operation and Maintenance Training Course and Manuals

1.16 TECHNICAL SPECIFICATIONS

1.17 BALANCE OF EQUIPMENT AND MATERIALS

PART 2 PRODUCTS

2.1 STANDARD PRODUCTS

2.2 MECHANICAL SYSTEM PRODUCTS

2.2.1 General Mechanical Requirements

2.2.2 Vibration Isolation / Equipment Pads

2.2.3 Mechanical Equipment Requirements

2.2.3.1 Equipment Identification

2.2.3.2 Environmental Control Unit

2.2.3.3 Spare Parts

2.2.4 AIR SUPPLY AND DISTRIBUTION SYSTEM

2.2.4.1 Ductwork

2.2.4.2 Grilles, Registers and Diffusers

2.2.4.2.1 Ceiling Mounted Supply Diffusers

2.2.4.2.2 Ceiling Mounted Return and Transfer Grilles

2.2.4.2.3 Ceiling Mounted Exhaust Grilles

2.2.5 VENTILATION AND EXHAUST SYSTEMS

2.2.5.1 Exhaust Fans

2.2.5.2 Exhaust Fans for Exhaust cooling

2.3 PLUMBING SYSTEM PRODUCTS

2.3.1 Domestic Water Meters

PART 3 EXECUTION

-- End of Section Table of Contents --

SECTION 01 86 10.01 Page 2Am #0002

SECTION 01 86 10.01

MECHANICAL REQUIREMENTS (HVAC)

03/24

PART 1 GENERAL

1.1 MECHANICAL SYSTEM CRITERIA

1.1.1 General Parameters/References

The publications listed below form a part of this section to the extent referenced. The publications are referred to in the text by basic designation only. The design shall be fully coordinated with all other requirements stated in this document. The latest edition of the following standards and codes in effect and amended as of the date of the supplier's proposal, and any subsections thereof as applicable, shall govern design and selection of equipment and material supplied:

ASSOCIATED AIR BALANCE COUNCIL (AABC)

AABC MN-1 (2002; 6th ed) National Standards for Total System Balance

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI A13.1 (2015) Scheme for the Identification of Piping Systems

AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING

ENGINEERS (ASHRAE)

ASHRAE Handbooks (2017-2020)

ASHRAE 15 (2019) ANSI/ASHRAE Standard 15-Safety Standard for Refrigeration Systems and ANSI/ASHRAE Standard 34-Designation and Safety Classification of Refrigerants

ASHRAE 90.1 - IP (2019) Energy Standard for Buildings Except Low-Rise Residential Buildings

ASHRAE 189.1 (2014) Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings

ASHRAE 55 (2023) Thermal Environmental Conditions for Human Occupancy

ASHRAE 62.1 (2022) Ventilation for Acceptable Indoor Air Quality

ASHRAE 90.1 (2019) Energy Standard for Buildings Except Low-Rise Residential Buildings

SECTION 01 86 10.01 Page 3Am #0002

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

ASME CSD-1 (2021) Control and Safety Devices for Automatically Fired Boilers

ASTM INTERNATIONAL (ASTM)

ASTM A53/A53M (2024) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM D1785 (2021) Standard Specification for Poly(Vinyl Chloride) (PVC), Plastic Pipe, Schedules 40, 80, and 120

INTERNATIONAL CODE COUNCIL (ICC)

ICC IBC (2024) International Building Code

ICC IMC (2024) International Mechanical Code

ICC IPC (2024) International Plumbing Code

ICC IEC (2021) International Energy Code

ICC IGC (2021) International Gas Code

NATIONAL ENVIRONMENTAL BALANCING BUREAU (NEBB)

NEBB-01 (2009) Procedural Standards for Whole Building Systems Commissioning of New Construction; 3rd Edition

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 54 (2024) National Fuel Gas Code

NFPA 70 (2023; ERTA 7 2023; TIA 23-15) National Electrical Code

NFPA 72 (2022; ERTA 22-1) National Fire Alarm and Signaling Code

NFPA 90A (2024) Standard for the Installation of Air Conditioning and Ventilating Systems

NFPA 91 (2020) Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists and Noncombustible Particulate Solids

SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION

(SMACNA)

SMACNA Guidelines (2008) IAQ Guidelines for Occupied Buildings Under Construction, 2nd Edition

SMACNA 1966 (2020) HVAC Duct Construction Standards Metal and Flexible, 4th Edition

SECTION 01 86 10.01 Page 4Am #0002

U.S. ARMY CORPS OF ENGINEERS (USACE)

ODDG (2019) Omaha District Design Guide for Design Solicitations

U.S. DEPARTMENT OF DEFENSE (DOD)

UFC 1-200-01 (2022; with Change 3, 2024) DoD Building Code

UFC 1-200-02 (2020; Change 2, 2022) High Performance and Sustainable Building Requirements

UFC 3-301-01 (2023; with Change 3, 2025) Structural Engineering

UFC 3-400-02 (2018) Design: Engineering Weather Data

UFC 3-401-01 (2013; Change 1, OCT 2015) Mechanical Engineering

UFC 3-410-01 (2013; Change 9, 09 JAN 2024) Heating, Ventilating, and Air Conditioning Systems

UFC 3-410-02 (2018; with Change 2, 2021) Direct Digital Control for HVAC and Other Building Control Systems

UFC 3-420-01 (2021) Plumbing Systems

UFC 3-430-01FA (2003) Heating and Cooling Distribution Systems

UFC 3-430-07 (2003; Change 5, 07 MAY 2019) Operations and Maintenance: Inspection and Certification of Boilers and Unfired Pressure Vessels

UFC 3-450-01 (2022) Noise and Vibration Control

UFC 3-600-01 (2016; with Change 6, 2021) Fire Protection Engineering for Facilities

UFC 4-010-01 (2018; with Change 3, 2024) DoD Minimum Antiterrorism Standards for Buildings

UFC 4-010-06 (2023) Cybersecurity of Facility-Related Control Systems

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

EO 13834 (17 May 2018) Efficient Federal Operations

PL 109-58 Energy Policy Act of 2005 (EPAct05)

PL 110-140 Energy Independence and Security Act of

SECTION 01 86 10.01 Page 5Am #0002

1.2 FACILITY DESCRIPTION

See Section 01 81 00 for a description of the facility and overall scope of work.

1.3 MECHANICAL SCOPE OF WORK

1.3.1 Mechanical General Requirements

The mechanical engineering design and construction of the following shall be included, as a minimum:

Heating, Ventilation, Exhaust Systems, and Air Conditioning Systems

Plumbing Systems

Building Direct Digital Control System for plumbing and Heating, Ventilation and Air Conditioning (HVAC) systems and equipment

Operation and Maintenance Requirements

Testing, Balancing and Commissioning

All systems description and performance requirements in this specification indicate the minimum requirements. Calculations shall be performed to determine equipment capacities and sizing.

The contractor shall perform heating, ventilation and air conditioning calculations to determine the HVAC loads for the building. [*Am-2]<text deleted>[**Am-2] HVAC loads for Communications Room shall be coordinated with end-user. Computer load calculations shall be provided and shall include complete input and output summaries, room load calculations, block load calculations and calculations for each system / air handling unit.

Pre-approved computer load analysis programs are Hourly Analysis Program (HAP) by Carrier Corp., Trace 700 by Trane Corp., Trace 3D Plus by Trane Corp., DOE-2 by US Department of Energy and EnergyPlus by DoD/DoE. If the designer wishes to use a different load analysis program, this shall be specifically listed in the proposal and requires approval by the Contracting Officer's Representative. Room air flow requirements shall be computed based on the individual room loads.

Design drawings and specifications shall be developed as required to meet the mechanical scope of work. This shall include locations of air handling units, boilers, pumps, chillers, fan coil units, ductwork, diffusers, grilles, supply fans, exhaust fans, air intakes and exhausts, temperature sensors, heating and chilled water piping and condensate drain lines, as a minimum.

Equipment selections shall be made for all major pieces of equipment, including but not limited to, boilers, chillers, pumps, fan coil units, air handling units, supply fans, exhaust fans, air intake louvers or hoods, air exhaust louvers or hoods. Catalog data shall be provided as part of the design analysis to demonstrate that the selected equipment will meet the applicable operational and physical space requirements.

Provide mechanical systems, complete and ready for operation. The design and construction of all mechanical systems, including manufacturer's products, shall meet the instructions and requirements contained herein and the requirements of the referenced technical guide specifications.

SECTION 01 86 10.01 Page 6Am #0002

[*Am-2]<text deleted>[**Am-2]

Where conflicts between these instructions and the guide specifications or above mentioned criteria exist, the most stringent shall take precedence.

Any installation requirements within these instructions, but not contained in the specifications, shall be added to the specification or shown on the drawings.

The design shall be economical, maintainable, energy efficient and shall take into account the functional requirements and planned life of the facility. Ease of access to components and systems in accordance with industry standards and safe working practices is a design requirement.

Calculations shall be provided for all new mechanical equipment such as piping, pumps, fans, ducts, unit heaters, domestic water heaters, and cooling units regardless of end use. Heating and cooling calculations for the building must be performed by computer analysis i.e., Elite Software Inc., Trane Trace Load 700, Trane Trace 3D Plus, Carrier E20-II Hourly Analysis Program (HAP) etc. Documentation shall include complete input and output summaries.

The Contractor shall assume full responsibility of all final calculations, equipment designs, equipment selections, equipment layouts, and to provide fully operational systems, regardless of whether calculations, equipment designs, equipment selections or equipment layouts where provided as part of the request for proposal.

1.3.2 Mechanical/Electrical Equipment Coordination

Arrangement of all mechanical equipment and piping shall be coordinated with electrical work to prevent interference with electrical conduits.

This shall include placement of mechanical equipment and electrical conduits in manner that the conduits do not restrict access to the mechanical equipment for maintenance, repair or replacement. Clearances required by NFPA 70 above and in front of electrical panels and devices shall be maintained. Mechanical equipment (pipes, ducts, etc.) shall not be installed OVER OR WITHIN SPACE which is dedicated to transformers, panelboards, or other electrical equipment unless items solely serve the area. When electrical equipment is located in a mechanical equipment space, the dedicated electrical space shall be indicated by a dashed line and noted "Electrical Equipment Space".

1.3.3 Submittal Requirements

Drawings, specifications, design analysis and calculations shall be provided as required for the 60 percent design and the Final design submittals, and shall be in accordance with Section 01 33 00.36 60 PERCENT DESIGN REQUIREMENTS, and Section 01 33 00.38 100 PERCENT DESIGN

REQUIREMENTS.

1.3.4 Sustainable Design

The design of the facility shall incorporate and promote sustainable design principles for the built environment, as outlined in UFC 1-200-02

HIGH PERFORMANCE AND SUSTAINABLE BUILDING REQUIREMENTS.

1.3.5 Description of Work

Design shall consist of heating, ventilating, air-conditioning (HVAC) load calculations, and equipment sizing and layout to meet project requirements.

SECTION 01 86 10.01 Page 7Am #0002

1.3.5.1 Room Descriptions

1.3.5.1.1 Shelters

The shelters shall have an independent packaged heat pump unit with electric backup heat. The outdoor unit for the system shall be located outside on the pad for the shelter. HVAC systems are required to meet Tier II requirements as defined by the Uptime institute.

1.4 MECHANICAL SYSTEMS

The following provides direction for the mechanical systems and shall be applied to equipment provided.

1.4.1 Environmental Control Units

Building heating and cooling shall be accomplished using a heat pump type packaged unit. Locate unit outside.

1.5 DESIGN CONDITIONS

The following conditions shall be taken into consideration for the design.

Location and weather related design information is provided by UFC 3-400-02, Design: Engineering Weather Data and shall be used in designing the mechanical systems.

1.5.1 Site Elevation

Equipment design elevation is 6187 feet above sea level.

1.5.2 Latitude

38.81º North

1.5.3 Longitude

104.7º West

1.5.4 Outside Design Conditions

Summer Conditions: 90ºF dry bulb - 1%; 59ºF MCWB - 1%

Mean Daily Range: 25ºF dry bulb

Winter Conditions: 2ºF dry bulb - 99.6%; 1ºF MCWB - 99.6%

Cooling Degree Days: 2967; Note: CDD50

Heating Degree Days: 6265; Note: HDD65

1.5.5 Inside Design Conditions

Occupied Areas: 68 F DB - (Heating); 78 F DB - (Cooling); 60% RH Max

Comm Room: 72 deg F - Year Around

Mechanical Room: 55 deg F dry bulb - (Heating); 10 deg F above Ambient (Mechanical Ventilation for Cooling)

SECTION 01 86 10.01 Page 8Am #0002

1.5.6 Minimum Ventilation Requirements

All normally occupied spaces shall be mechanically ventilated in accordance with ASHRAE 62.1

1.5.7 Cooling Load

Per load calculations. Coordinate with Electrical Designer.

1.5.8 Building Heating Load

Per load calculations.

1.5.9 Noise Levels

Noise levels shall remain within acceptable criteria as defined by

UFC 3-450-01.

1.5.10 Structural

Attach interior ceiling mounted fixtures to the supporting structural system (i.e., use seismic detailing from UFC 1-200-01) in structures. This includes mechanical equipment, ducting, and piping.

Equipment and piping requiring structural support shall be located in such a way as to minimize support steel costs while providing adequate maintenance access.

1.5.11 Operation

The system shall be designed to operate automatically year round, twenty four (24) hours per day, seven (7) days per week. Equipment and systems shall be designed for remote operation.

1.5.12 Mechanical/Electrical Equipment Coordination

Arrangement of all mechanical equipment ductwork and piping shall be coordinated with electrical work to prevent interference with electrical conduits. Electrical conduits and mechanical piping and ductwork shall not restrict access to the mechanical equipment for maintenance or repair.

Clearances required by NFPA 70 above, in front of, and to the sides of electrical panels and devices shall be maintained. Mechanical equipment (pipes, ducts, etc.) shall not be installed OVER OR WITHIN SPACE which is dedicated to transformers, panels, panelboards, or other electrical equipment unless items solely serve the area and the installation meets all applicable codes. When electrical equipment is located in a mechanical equipment space, the dedicated electrical space shall be indicated by a dashed line and noted "Electrical Equipment Space".

1.5.13 Utility Interruption

Certain limitations on utility interruptions apply. Unauthorized utility interruptions will not be permitted. Any work that requires a utility interruption shall be scheduled in advance. Outages are subject to postponement or cancellation by site authorities without prior notification. Coordination requirements of utility interruptions shall be in accordance with Section 01 30 00.24 OTHER ADMINISTRATIVE AND SPECIAL REQUIREMENTS. All utility interruptions shall be identified with notes on the project drawings.

SECTION 01 86 10.01 Page 9Am #0002

1.5.14 Spare Parts List

Proprietary spare parts lists that require more than a 60 day lead time, and/or any special service tools shall be provided to the Government prior to acceptance of the system.

1.6 EQUIPMENT IDENTIFICATION AND ABBREVIATIONS

This section contains requirements for the identification and abbreviation of mechanical equipment.

1.6.1 Abbreviations

The following list of abbreviations shall be used to describe the mechanical equipment types:

Air-Cooled Condensing Unit CU

Air Filter AF

Air Handling Unit AHU

Air Separator AS

Airflow Measuring Station AFS

Building Automation System BAS

Boiler BLR

Cabinet Unit Heater CUH

Environmental Control Unit ECU

Exhaust Fan EF

Expansion Tank ET

Control Valve CV

Diffuser D

Domestic Hot Water DHW

Gov't Furnished Contractor Installed GFCI

Gov't Furnished Gov't Installed GFGI

Grille G

Heating Coil HC

Heating Hot Water HW

Intake Hood IH

Local Control Panel LCP

Louver L

Motor Operated Damper MOD

Heating Water Pump HWP

Boiler Pump BP

SECTION 01 86 10.01 Page 10Am #0002

Register R

Supply Fan SF

Unit Heater UH

Utility Monitoring and Control System UMCS

The proposal shall indicate any abbreviations to be used for mechanical equipment not listed.

1.7 SEISMIC PROTECTION FOR MECHANICAL PIPING, DUCTWORK, AND EQUIPMENT

Structural bracing and mounting of mechanical piping, ductwork, and equipment shall be designed in accordance with UFC 1-200-01 and the ODDG.

1.7.1 Piping

Piping within the facility, except fire protection piping, is required to have seismic restraints complying with UFC 1-200-01 and UFC 3-301-01.

1.7.2 Ductwork

Ductwork within the facility is required to have seismic restraints complying with UFC 1-200-01.

1.7.3 Miscellaneous Equipment

Miscellaneous items which consist of a number of individual components built into an assembly by the manufacturers may require additional internal reinforcements to meet the requirements of UFC 1-200-01 and

UFC 3-301-01.

1.8 THERMAL INSULATION OF MECHANICAL SYSTEMS

Insulation of hydronic water piping systems and equipment, refrigeration lines and equipment, and the insulation of the duct systems shall meet the more stringent of ASHRAE 189.1, UFGS 23 07 00, and the ODDG.

Refrigeration and hydronic water piping shall be required to follow tabulated thicknesses. All supply air ductwork shall be insulated.

Return air ductwork shall be insulated as needed to prevent condensation formation or heat transfer if ductwork runs through an area with air temperature more than 15 degrees Fahrenheit different from the return air temperature. Provide calculations to prove, if insulation is not provided for ducts, the space will be properly cooled and condensation will not form on ductwork. Relief / exhaust air ductwork within 10 feet of a building penetration shall be insulated. Insulation Tables in UFGS 23 07 00 shall be retained and shall not be replaced with insulation schedules on the drawings.

1.8.1 Insulation Covers

Provide removable and reusable insulation covers at all check valves, control valves, strainers, filters, or any other piping component requiring access for routine maintenance. Exposed exterior insulation shall be covered by an embossed aluminum metal jacket. All piping with

SECTION 01 86 10.01 Page 11Am #0002 metal jacket shall be identified on the drawings.

1.9 AIR SUPPLY AND DISTRIBUTION SYSTEM REQUIREMENTS

The design of all system shall comply with the recommendations of the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) Handbooks, to the requirements of NFPA Standard 90A and the requirements of UFGS Section 23 30 00 HVAC AIR DISTRIBUTION.

1.9.1 Equipment Capacities

Equipment capacities and flow rates shall be corrected for altitude in the Contractors calculations and shall be shown as such on the Contractors drawings.

1.9.2 Outdoor Air Ventilation Rates

Minimum outdoor air ventilation rates shall be provided for occupants and spaces by mechanical ventilation system as required by ASHRAE 62.1

1.9.3 Noise Criteria

Noise criteria shall be in accordance with the following and ASHRAE HVAC APPLICATIONS, and UFC 3-450-01, unless otherwise indicated:

1. Office 25 NC (max)

2. Restrooms 35 NC (max)

1.10 VENTILATION AND EXHAUST SYSTEMS

The design of all systems shall comply with the ASHRAE Handbooks, ASHRAE Standard 62.1, NFPA 90A, and NFPA 91, and shall meet the requirements of the ODDG. Ventilation cooling shall only be utilized if interior temperature exceeds exterior temperature except in instances when continuous exhaust/ventilation is required by code.

1.10.1 Intake, Relief and Exhaust Requirements

Outside air intakes shall be located in areas where potential for air contamination is lowest, and shall be located at least 10 feet above the adjacent finished grade. Motorized insulated low-leakage dampers with blade and jamb seals shall be provided at all outside air intake and exhausts unless otherwise prohibited by code. The maximum leakage rate permitted for outside air intakes shall be based upon UFC 3-410-01 and UFC 4-010-01. Louvers shall be of the storm/drainable type and shall be AMCA certified. Louvers shall be selected based on the following criteria: maximum free area face velocity of 800 feet/min; maximum pressure drop of 0.1 in W.C.; and a water penetration of less than 0.01 oz/square foot.

1.10.2 Exhaust Fans

Care shall be taken to ensure that the noise level generated by exhaust fans is not transmitted to the interior of the building. Sone value of fans measured five feet from fan inlet shall be less than 20 sones. Sound transmission data shall be submitted for approval and design shall indicate noise criteria on schedules. Exhaust fans shall be commercial duty with the exception that small toilet rooms may be ventilated with ceiling mounted exhaust fans.

SECTION 01 86 10.01 Page 12Am #0002

1.11 CYBERSECURITY

The design and construction shall comply with applicable requirements of UFC 4-010-06, Cybersecurity of Facility-Related Control Systems.

1.12 BUILDING TEMPERATURE CONTROL SYSTEM

The temperature controls (HVAC controls) system for the facility shall be direct digital controls (DDC) and shall be tied into and fully integrated with the existing Installation wide utility monitoring and control system.

Access to the building HVAC control system by the Installation UMCS operator shall be seamless via the UMCS operator work station. The design of the control systems for the HVAC equipment shall be in accordance with UFC 3-410-02 and UFC 4-010-01. Installation shall be in accordance with Specification Section 23 09 93 DIRECT DIGITAL CONTROL FOR HVAC & OTHER

LOCAL BUILDING SYSTEMS.

System integration shall include developing interfaces for each piece of equipment and provide a graphical representation of the equipment and control menu screen. Historical data for equipment, buildings, and systems shall be stored for use in determining system maintenance and equipment operation. System integration shall include developing algorithms, analog, and discrete logic to fully automate the starting and stopping of all system equipment. The logic shall also provide for manual operator override, set point adjustments, and control loop adjustments.

The control system shall be designed to provide continuous and automatic control of all HVAC equipment indicated in this specification section.

Programmable controllers and equipment provided with packaged control systems, such as chillers and computer room air conditioning units, shall interface with the control system using the new building control system network. The equipment control systems shall allow monitoring and control of equipment from the building HVAC control system or the Installation wide UMCS.

The temperature control panels shall be located in the mechanical room.

The number of control panels shall be dictated by the number of and types of equipment in the final design. The control system shall allow the UMCS operator to easily adjust setpoint, operating times and other system parameters, if and when necessary, once the building control system has been integrated into the UMCS. Provide a temperature sensor for the mechanical room that is connected to the building automation control system. The sensor shall send an alarm when the temperature drops below 40 degrees Fahrenheit or exceeds 90 degrees Fahrenheit. The alarm shall be programmed to send an alarm to the installation wide UMCS system.

1.12.1 General DDC Requirements

All mechanical systems and equipment, shall be controlled by local direct digital control (DDC) equipment located in the facility's Mechanical room or at the equipment. The DDC system shall be capable of operating in a stand-alone fashion. To facilitate maintenance and to allow manual starting and stopping of equipment by maintenance personnel, a hard-wired Hand-Off-Automatic control switch shall be provided for each air handling unit, pump, and exhaust fan.

a. Temperature Control Contractor Experience - The temperature control Contractor shall have a minimum of 5 years of experience installing DDC systems. The Contractor shall provide for approval the names and

SECTION 01 86 10.01 Page 13Am #0002 qualification of supervisory personnel (i.e. Project Manager and/or Superintendent) that will be used on this project. The Contractor shall also provide a list of references to be contacted from recent projects on which the proposed personnel performed similar duties. Approval shall be based on previous experience with the DDC system to be installed, qualifications and demonstrated ability of proposed personnel to manage resources in an efficient and effective manner. Experience and supervisory personnel qualifications must be submitted and approved before submittal of any technical data.

b. Emergency Service During Warranty - The Government will initiate service calls when the installed DDC/UMCS is not functioning properly.

Qualified personnel shall be available to provide service to the complete DDC/UMCS installed under this project. Qualified personnel shall be defined as a factory trained journeyman in the brand of control system provided, this level of training shall be considered a minimum. The Government shall be furnished with a telephone number where the service supervisor can be reached at all times. Service personnel shall be at the site within 3 hours after receiving a request for service. The control system shall be restored to proper operating condition within 3 calendar days after receiving a request for service.

c. Software - The Contractor shall provide all software updates and verify operation in the system. These updates shall be accomplished in a timely manner, fully coordinated with base operators, and shall be incorporated into the operations and maintenance manuals, and software documentation provided as submittals for review by the Government. There shall be at least one scheduled update near the end of the first years warranty period, at which time the Contractor shall install and validate the latest released version of the Contractor's software. All software shall be licensed for use by the installation.

d. Fuses shall not be used for surge protection. Provide transient voltage surge suppression (TVSS).

e. System descriptions and analyses submittal shall indicate how the new system will interface with the existing UMCS.

1.12.2 Alarm Monitoring

Alarm monitoring shall be provided for all major pieces of equipment.

Indication of failure shall alarm at the UMCS Operators work station. The maximum allowable time for the UMCS to display an alarm condition is 10 seconds starting from the time the alarm condition first exists. The maximum allowable time for equipment to respond to manual UMCS commands is 10 seconds starting from the time the command is initiated at the work station. Alarm monitoring shall include, but not limited to the following alarm indications:

a. Loss of Flow

b. High and low temperature

c. Equipment General Alarm

d. Start/stop actual status different from commanded state

SECTION 01 86 10.01 Page 14Am #0002

1.12.3 Stand-Alone Operation

The control system / equipment installed as part of this contract shall be fully capable of stand-alone operation on a continuous basis. All programs, including those based upon real-time clock or calendar events, shall reside in the local DDC equipment.

1.12.4 Input / Output Devices

The control system shall utilize off-the-shelf input and output instruments (e.g., RTD sensors, space temperature sensors, actuators) which are commercially available from third party vendors who may be independent from the DDC system manufacturers. All sensing devices shall be capable of removal from the system without disruption of service to the system in which they are installed.

1.12.5 Control Wiring

Cable and wire for the DDC system shall be separate from the distribution system serving any other system. All cable and wiring shall be installed in conduit. The control wiring shall be provided by the Contractor.

Control wiring shall be as specified and extended on the Contractor's drawings in accordance with UFGS 23 09 00 INSTRUMENTATION AND CONTROL FOR HVAC and UFGS 23 09 23.02 BACnet Direct Digital Control for HVAC and Other Building Control Systems.

1.12.6 Control Valves and Actuators

Sizing of control valves shall take into account upstream and downstream fittings and shall be in accordance with Instrument Society of America standard ISA S75.Ol-1985. All valves shall be provided with 0-10 vdc operated valve actuators.

1.12.7 Control Dampers and Actuators

New air handling units and exhaust fans shall be provided with low leakage dampers and 4-20 mA operated electronic damper actuators. Low leakage dampers shall have a maximum leakage rate of 3 cfm/sf with a differential pressure of one inch of water gage across the damper. Damper position feedback is required.

HVAC Control Drawings

The HVAC control contractor's drawings, for both the 60 percent and Final submittals, shall be in accordance with SECTION 01 33 00.36 - 60 PERCENT

DESIGN REQUIREMENTS, & SECTION 01 33 00.38 - 100 PERCENT DESIGN

REQUIREMENTS. Control contractor's drawings for the building shall include a system schematic section, a detailed sequence of control, a list of required components with a brief description of each component, legend and schedules, a listing of input and output points and a matrix showing the point type, alarms and applications programs associated with each of the input or output points. EMCS details and points to be monitored shall be detailed on the drawings and follow the conventions as set forth in UFC 3-410-02. Point schedule format shall follow the format available through WBDG. System I/O summaries shall be detailed.

1.12.8 Control Schematic

The control schematic shall be a schematic representation of the HVAC

SECTION 01 86 10.01 Page 15Am #0002 system and the associated control equipment. The control schematic shall be drawn to a large scale to allow for ample space to indicate any necessary performance parameters such as setpoint, etc. Each component shall be identified by a unique alpha-numeric designator such as Sl for sensor number 1. This provides a means of cross referencing to the description of components and the sequence of control. All major control items relative to the system shall be shown. This may include, but shall not be limited to:

Air Handlers Fan coil units Boilers Cooling Coils Heating Coils Freezestats w/manual reset Smoke Detectors w/connection to the FACP Temperature Sensors Valves and Valve Actuators Dampers and Damper Actuators

1.12.9 Sequence of Control

The sequence of control is a written statement of the operation of the system. It should be as detailed and complete as possible and it should refer to individual components by their alpha-numeric designator whenever possible. The sequence shall break the overall system into sub-systems, such as supply fan control, mixed air control, heating control, cooling control, etc., and shall describe the operation of each of the subsystems.

The sequence of control shall also describe the operation of all safety devices such as smoke detectors or freezestats, fire alarm interlock and shall describe the operation of the system in both the occupied, warm-up and unoccupied modes.

1.12.10 Description of Components

The description of components shall provide a generic description of the performance of each component. The components shall be referred to by their alpha-numeric designator.

1.12.11 Legends and Schedules

The legend shall provide a definition of all symbols used in the control drawings. Schedules shall provide all necessary information to clarify the operation of the components or the overall system.

1.12.12 System Checklists and Startup Instructions

The designer shall develop Pre-commissioning Test Checklists, Functional Performance Test Checklists, and Startup Instructions for each system and item of equipment controlled by the temperature control system and shall include them in the temperature controls Specification. Each system and item of equipment shall have its own separate Checklist and Startup Instructions. The Checklists and Startup Instructions shall be tailored to each individual component of the respective system or item of equipment and shall use the terminology and nomenclature used in the contractor's drawings and specification.

SECTION 01 86 10.01 Page 16Am #0002

1.13 TESTING, ADJUSTING, AND BALANCING (TAB) OF HVAC SYSTEMS

Testing, adjusting, and balancing shall meet the requirements of UFGS Section 23 05 93 TESTING, ADJUSTING AND BALANCING OF HVAC SYSTEMS.

The work required by this Section shall be complete, including all test and inspection reports, before starting the commissioning functional testing.

1.13.1 Balancing Firm Qualifications

TAB shall be performed by an independent firm, hired directly by the Contractor only, using certified technicians under the direct supervision of a registered engineer. Technicians shall be certified by the National Environmental Balancing Bureau (NEBB) or the Associated Air Balance Council (AABC). The firm shall select AABC MN-1 or NEBB-01 as the standard for providing TAB of the mechanical systems.

1.13.2 Balancing, Commissioning and Integration

The Contractor shall include additional time required for full balancing and commissioning once the construction of all systems are complete.

Commissioning shall meet the requirements of UFC 1-200-02 and other applicable criteria.

1.14 COMMISSIONING OF HVAC SYSTEMS

This section contains instructions and engineering information relating to the commissioning of HVAC systems, including pre-commissioning checks and functional performance tests. The commissioning of HVAC systems shall meet the requirements of UFGS Sections 01 91 00.15 10 BUILDING COMMISSIONING and 23 08 00 COMMISSIONING OF MECHANICAL SYSTEMS.

1.14.1 General

The purpose of commissioning is to bring the project HVAC systems to a state of dynamic operation by verifying the operation of individual components, subsystems, and systems. The commissioning process shall be planned, scheduled, and prepared for, as an integral portion of the project, from design, through construction, to final acceptance.

Commissioning shall begin only after all work required in articles entitled "BUILDING TEMPERATURE CONTROL SYSTEM" and "TESTING, ADJUSTING, AND BALANCING (TAB)OF HVAC SYSTEMS" has been successfully completed, and all test and inspection reports and operation and maintenance manuals required in these Sections have been submitted and approved. Commissioning and endurance testing of all systems and equipment shall be a prerequisite to final acceptance of the facility.

1.14.2 Commissioning Firm Qualifications

System Commissioning shall be done by an independent firm experienced in this type of work.

1.14.3 Checklists

The commissioning test requirements must be provided in detail, with all specific steps and procedures clearly formulated for a complete checkout of the systems. The prewritten pre-commissioning and functional performance tests checklists provided in the request for proposal specifications are examples only and shall be completely edited, by adding

SECTION 01 86 10.01 Page 17Am #0002 or deleting items, to provide the necessary commissioning test requirements of the actual equipment installed. If there is no example checklist for an item of equipment in the project, the designer shall formulate a checklist and include it in the Contractor's specifications.

1.14.4 Pre-commissioning Checks

Pre-commissioning checks, done in accordance with the prewritten checklists, shall be performed for each item of mechanical equipment.

Deficiencies discovered during these checks shall be corrected and retested prior to start of the Functional Performance Tests.

1.14.5 Functional Performance Tests

Functional performance tests, done in accordance with the prewritten checklists, shall be performed for each equipment item. Functional performance tests shall begin only after all pre-commissioning checks have been successfully completed.

1.15 OPERATION AND MAINTENANCE REQUIREMENTS

Facility Operation and Maintenance (O&M) Manuals, including associated Training Course and Training Manuals, shall be provided for the mechanical systems and shall meet the requirements of the individual Unified Facilities Guide Specifications (UFGS) Sections and UFGS Section 01 78 23.

1.15.1 Facility Operation and Maintenance Manuals

Operation and Maintenance Manuals shall be provided in compliance with

UFGS 01 78 23.

1.15.2 Operation and Maintenance Training Course and Manuals

Training courses shall be conducted in accordance with the requirements of

UFGS 01 78 23.

1.16 TECHNICAL SPECIFICATIONS

Unified Facility Guide Specification (UFGS) shall be completely edited and fully coordinated with the drawings to accurately and clearly identify the product and installation requirements for the facility. THE SPECIFICATIONS

MUST NOT BE EDITED IN A MANNER THAT REDUCES THE LEVEL OF QUALITY FOR

EQUIPMENT, SERVICES PROVIDED, OR MATERIALS. The specifications shall be edited in accordance with the designer notes associated with each specification and with the Specification Requirements (Division 01 General Requirement Specifications). In case of a conflict, the criteria found in the Specification Requirements (Division 01 General Requirement Specifications) shall take precedence. The UFGS define the minimum requirements for items of equipment, materials, installation, training, operating and maintenance instructions, O&M manuals and testing that shall be provided for the facility. Where items of equipment, materials, installation, training, operating and maintenance instructions, O&M manuals or testing requirements are not specified in the provided specifications, special paragraphs within each applicable guide specification shall be prepared to specify those items. Government approval is required for any addition of materials, equipment, or installation requirements not covered in the guide specifications.

Specific items of equipment identified in the UFGS but not required for the facility shall be edited out.

SECTION 01 86 10.01 Page 18Am #0002

1.17 BALANCE OF EQUIPMENT AND MATERIALS

Equipment and materials to achieve a complete balance of the system not detailed in this specification such as, but not limited to, valves, fittings, heat exchangers, pumps, insulation, etc., shall be selected to meet SECTION 1.2 GENERAL REQUIREMENTS, applicable codes and standards, and provide a beneficial life cycle cost.

PART 2 PRODUCTS

2.1 STANDARD PRODUCTS

Material and equipment shall be a standard product of a manufacturer regularly engaged in the manufacture of the product that have been in satisfactory use for at least 2 years prior to bid opening. The label or listing of the Underwriters Laboratories, Inc., will be accepted as evidence that the materials or equipment conform to the applicable standards of that agency. In lieu of this label or listing, a statement from a nationally recognized, adequately equipped testing agency indicating that the items have been tested in accordance with required procedures and that the materials and equipment comply with all contract requirements will be accepted.

2.2 MECHANICAL SYSTEM PRODUCTS

2.2.1 General Mechanical Requirements

As applicable, the following shall be provided for all mechanical systems:

a. All piping and equipment located in finished areas of the building shall be concealed or furred-in; exposed piping and equipment is only allowed in mechanical, equipment, and other rooms of this nature.

b. Provide isolation valves, balancing valve/flow measuring devices, and pressure/temperature test taps at the air handling unit coil(s) and at each fan coil unit. At each air handling unit coil provide supply and return water thermometers and a pressure gage valved to allow reading of supply or return water pressure.

c. All coils shall be provided with valved drain and air vent connections.

d. Air vents shall be installed on all high points in piping systems.

Drain valves shall be installed at low points and at equipment which must be dismantled for servicing.

e. All vents, drain valves, and strainers which are located out of mechanical equipment spaces shall be provided with hose-end connections. All vents, drain valves, and strainers which are located within mechanical equipment spaces shall be piped to the nearest floor drain or floor sink.

f. Eccentric reducers shall not be used.

g. All pipe, ductwork and equipment supports and hangers shall be coordinated with the structure design to avoid possible overloading of any structural elements. Adequate pipe supports

SECTION 01 86 10.01 Page 19Am #0002 and hangers shall be used to prevent piping from imparting load to connected equipment.

h. Where steel flanges mate with cast-iron flanges, provide flat faces and full face gaskets.

i. Piping and supports shall not interfere with equipment maintenance access or pull space.

j. Dielectric unions shall be installed between dissimilar metals in soldered, brazed and threaded piping systems and insulated flanges shall be installed for welded systems.

k. Provide sufficient permanently installed instrumentation to aid maintenance personnel in balancing and/or troubleshooting mechanical systems. Instrumentation shall be provided in the media at each change in temperature and at all mixing points in hydronic piping. Pressure gauges, thermometers, flow indicators, etc., shall be installed to be easily read from the adjacent floor.

2.2.2 Vibration Isolation / Equipment Pads

Provide vibration isolation devices on all floor mounted or suspended mechanical equipment. All floor mounted mechanical equipment shall be provided with 6 inch housekeeping pads which extend 6 inches all around equipment provided.

2.2.3 Mechanical Equipment Requirements

The following provides requirements for the mechanical systems and shall be applied to equipment provided, but is not intended to require the listed equipment. The absence of equipment in the following paragraphs does not prohibit its use.

2.2.3.1 Equipment Identification

Provide a brass name tag for each valve, temperature control device, control system device (including but not limited to sensors, controllers, etc.), etc., installed in all mechanical. In addition, all mechanical equipment shall be clearly identified with a conspicuously located, permanent label. Mechanical equipment shall be identified by type and sequence number.

2.2.3.2 Environmental Control Unit

ECU shall be packaged configuration located on the shelter pad. Duct supply and return air from the shelter to the unit. Provide units with air-to-air heat pump section, electric resistive heating section, disposable filter, and condensate drain pan. Each unit shall be provided with a room space temperature sensor with setpoint and space temperature display (at the temperature sensor.) Coils shall be selected for the required heating and cooling loads. The units standard conditions capacity ratings shall be corrected for the site elevation. Unit efficiencies must meet or exceed the requirements of ASHRAE 90.1 - IP.

HVAC systems are required to meet Tier III concurrent maintenance requirements as defined by the Uptime institute.

SECTION 01 86 10.01 Page 20Am #0002

2.2.3.3 Spare Parts

Proprietary spare parts lists that require more than a 60 day lead time, and/or any special service tools shall be provided to the Government prior to acceptance of the system.

2.2.4 AIR SUPPLY AND DISTRIBUTION SYSTEM

The design of all systems shall comply with the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) Handbooks, to the requirements of NFPA 90A .

a. Equipment capacities and flows shall be corrected for altitude on project contractor's drawings, and shall be identified as such on the contractor's drawings.

b. Minimum outdoor air ventilation rates shall be provided for occupants and spaces by mechanical ventilation system as required by ASHRAE 62.1.

c. Noise Criteria shall be in accordance with the following Noise Criteria, unless otherwise indicated, as follows:

1. Office = 35 NC (max)

2. Restrooms = 35 NC (max)

2.2.4.1 Ductwork

Supply air duct systems shall have a class A seal requirements as established by SMACNA. All duct shall be built to an appropriate minimum pressure rating with a minimum rating of 1" w.c. VAV ductwork shall be sized using Static regain. Constant volume and VAV low pressure duct shall be sized using the equal friction method with 0.08 inches of water column per 100 feet for supply, return, and exhaust ducts and 0.05 inches of water column per 100 feet for transfer ducts. Ductwork shall be metal, except for fan connections, and shall be constructed in accordance with SMACNA Guidelines. Ductwork shall be run above the ceiling. Insulated flexible ducts may be used for connection to supply air diffusers only with maximum length of 5 ft. Do not use flexible duct for elbow, turns, or above rigid ceilings. All elbows and sharp turns shall be standard sheet metal fittings. Flexible ducts shall be connected with mechanical draw bands. Return air shall be ducted.

2.2.4.2 Grilles, Registers and Diffusers

2.2.4.2.1 Ceiling Mounted Supply Diffusers

a. Ceiling diffusers shall be louvered face architectural square panel type. Diffusers shall be provided with a 4-way discharge pattern.

Maximum diffuser size shall be limited to 24in x 24in and minimum size shall be 12 in x 12 in. Diffusers in rooms with windows shall be located in such a way that the windows are wiped with air from the diffusers.

b. Diffusers shall be suitable for use in a lay-in ceiling or a gypsum board ceiling as necessary. Diffusers shall be sized to distribute the required quantity of air evenly over the space intended without causing noticeable drafts, air movement faster than 50 feet per minute in the occupied zone, or causing dead spots anywhere in the conditioned space at variable air flow rates of 40% to 100% of the maximum air flow rate.

SECTION 01 86 10.01 Page 21Am #0002

Diffusers shall be sized and selected based on a maximum velocity of 500 feet/minute, a maximum NC of 20 in all spaces, and a maximum pressure drop of 0.1 in W.C.. Individual diffusers shall not exceed 420 CFM.

c. Elbow immediately upstream of ceiling diffusers shall be sheet metal. Flex duct at this location is not allowed to be used as an elbow.

2.2.4.2.2 Ceiling Mounted Return and Transfer Grilles

Ceiling return air grilles shall be egg crate or perforated type suitable for use in lay-in ceilings or gypsum board ceilings, and shall be located to prevent air stratification at the wall mounted temperature sensor location. The maximum size of grilles shall be 24 in x 24 in and the minimum size shall be 12 in x 12 in. Each grille shall be provided with a return air boot. Individual grilles shall be sized and selected based on a maximum air flow of 1000 CFM, a maximum pressure drop of 0.05 in W.C., and a maximum NC of 20.

2.2.4.2.3 Ceiling Mounted Exhaust Grilles

Ceiling mounted exhaust grilles shall be similar to ceiling mounted return and transfer grilles. Grilles shall be provided with manual volume dampers located in the ductwork along with concealed damper regulators in areas with gypsum board ceilings. The minimum neck size of grille shall be 8

in. x 8 in.

2.2.5 VENTILATION AND EXHAUST SYSTEMS

The design of all systems shall comply with the ASHRAE Handbooks, ASHRAE Standard 62.1, NFPA Standards No. 90A and shall meet the requirements of UFGS Section 23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST

SYSTEMS.

2.2.5.1 Exhaust Fans

Exhaust fans shall be wall-mounted centrifugal type. Care shall be taken to ensure that the noise level generated by exhaust fans is not transmitted to the interior of the building. Sone value of fans measured five feet from fan inlet shall be less than 20 Sones.