600-16-114 FINALSPEC-VOL2.pdf

SPECIFICATIONS - VOLUME - II

600-16-114, Renovate Bldg. 126 OP Basement for Administrative Offices

Tibor Rubin VA Medical Center, Long Beach, CA

FINAL CONSTRUCTION DOCUMENT

AUG 2ND, 2019

Compiled by:

Project No.600-16-114, Renovate Bldg. 126 OP Basement for Administrative Offices Tibor Rubin VA Medical Center, Long Beach, CA.

01-01-18

00 01 10-1

DEPARTMENT OF VETERANS AFFAIRS

VHA MASTER SPECIFICATIONS

TABLE OF CONTENTS

Section 00 01 10

DIVISION 00 - SPECIAL SECTIONS DATE

00 01 15 List of Drawing Sheets 07-15

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00 General Requirements 10-17 01 32 16.15 Project Schedules (Small Projects – Design/Bid/Build 04-13 01 33 23 Shop Drawings, Product Data, and Samples 05-17 01 35 26 Safety Requirements 02-17 01 42 19 Reference Standards 05-16 01 45 00 Quality Control 01-18 01 45 35 Special Inspection 03-19 01 57 19 Temporary Environmental Controls 01-11 01 58 16 Temporary Interior Signage 07-15 01 74 19 Construction Waste Management 09-13 01 81 13 Sustainable Construction Requirements 10-17 01 91 00 General Commissioning Requirements 10-15

DIVISION 02 – EXISTING CONDITIONS

02 41 00 Demolition 08-17

DIVISION 03 – CONCRETE

03 30 53 (Short-Form) Cast-in-Place Concrete 02-16 03 54 16 Engineered Cement 03 81 27 Coring of Concrete 06-13

DIVISION 05 – METALS

05 50 00 Metal Fabrications 04-18 05 51 33.13 Metal Stairs and Ladders

DIVISION 06 – WOOD,PLASTICS AND COMPOSITES

06 20 00 Finish Carpentry 08-16

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 21 13 Acoustical Insulation 10-17 07 84 00 Firestopping 02-16 07 92 00 Joint Sealants 10-17 for Administrative Offices Tibor Rubin VA Medical Center, 00 01 10-2

DIVISION 08 - OPENINGS

08 11 13 Hollow Metal Doors and Frames 08-16 08 14 23 Impact Resistant Interior Wood Doors(Flush) 02-16 08 31 13 Access Doors and Frames 02-16 08 41 13 Aluminum-Framed Storefronts 08-16 08 71 00 Door Hardware 01-16 08 71 13 Automatic Door Operators 02-16 08 80 00 Glazing 10-15

DIVISION 09 – FINISHES

09 05 16 Subsurface Preparation for Floor Finishes 02-15 09 06 00 Schedule for Finishes 04-15 09 22 16 Non-Structural Metal Framing 05-16 09 29 00 Gypsum Board 11-14 09 30 13 Ceramic/Porcelain Tiling 09-15 09 51 00 Acoustical Ceilings 12-16 09 65 13 Resilient Base and Accessories 02-16 09 65 19 Resilient Tile Flooring 12-15 09 67 23.20 Resinous Epoxy Base With Vinyl Chip Broadcast (RES 2) 07-14 09 84 33 Sound-Absorbing Wall Units 10-15 09 91 00 Painting 01-16

DIVISION 10 – SPECIALTIES

10 11 13 Chalkboards and Markerboards 10-15 10 14 00 Signage 10-15 10 21 13 Toilet Compartments 12-15 10 22 43 Sliding Glass Partitions 05-15 10 26 00 Wall and Door Protection 10-15 10 28 00 Toilet, Bath, and Laundry Accessories 02-16 10 44 13 Fire Extinguisher Cabinets 08-14 10 56 26 Mobile Storage System 05-18

DIVISION 12 – FURNISHINGS

12 11 13 Edge-illuminated Photo Murals 07-18 12 32 00 Manufactured Wood Casework 09-15 12 36 00 Countertops 12-15

DIVISION 13 - SPECIAL CONSTRUCTION

13 05 41 Seismic Restraint Requirements for Non-Structural

Components 01-14

DIVISION 21- FIRE SUPPRESSION

21 05 11 COMMON WORK RESULTS FOR FIRE SUPPRESSION 11-09

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21 08 00 Commissioning of Fire Suppression System 11-16 21 13 13 Wet-Pipe Sprinkler Systems 06-15

DIVISION 22 – PLUMBING

22 05 11 Common Work Results for Plumbing 07-16 22 05 23 General-Duty Valves for Plumbing Piping 09-15 22 07 11 Plumbing Insulation 09-15 22 08 00 Commissioning of Plumbing Systems 11-16 22 11 00 Facility Water Distribution 09-15 22 13 00 Facility Sanitary and Vent Piping 09-15 22 40 00 Plumbing Fixtures 09-15 22 42 26 Commercial Disposers 09-15

DIVISION 23 – HEATING, VENTILATING, AND AIR

CONDITIONING (HVAC)

23 05 11 Common Work Results for HVAC 08-17 23 05 12 General Motor Requirements for HVAC and Steam

Generation Equipment 08-17

23 05 41 Noise and Vibration Control for HVAC Piping and Equipment

02-15

23 05 93 Testing, Adjusting, and Balancing for HVAC 02-15 23 07 11 HVAC and Boiler Plant Insulation 02-15 23 08 00 Commissioning of HVAC Systems 11-16 23 09 23 Direct-Digital Control System for HVAC 09-11 23 21 13 Hydronic Piping 08-17 23 21 23 Hydronic Pumps 08-17 23 22 13 Steam and Condensate Heating Piping 08-17 23 22 23 Steam Condensate Pumps 08-17 23 31 00 HVAC Ducts and Casings 03-13 23 34 00 HVAC Fans 02-15 23 36 00 Air Terminal Units 02-15 23 37 00 Air Outlets and Inlets 02-15 23 40 00 HVAC Air Cleaning Devices 02-12 23 73 00 Indoor Central-Station Air-Handling Units 04-11 23 82 16 Air Coils 04-11

DIVISION 26 – ELECTRICAL

26 05 11 Requirements for Electrical Installations 01-16 26 05 19 Low-Voltage Electrical Power Conductors and Cables 01-17 26 05 26 Grounding and Bonding for Electrical Systems 01-17 26 05 33 Raceway and Boxes for Electrical Systems 01-18 26 08 00 Commissioning of Electrical Systems 11-16 26 09 23 Lighting Controls 01-18 26 22 00 Low-Voltage Transformers 01-18 26 24 13 Distribution Switchboards 01-18 26 24 16 Panelboards 01-18 26 27 26 Wiring Devices 01-18 for Administrative Offices Tibor Rubin VA Medical Center, 00 01 10-4

26 29 21 Enclosed Switches and Circuit Breakers 01-17 26 51 00 Interior Lighting 01-18

DIVISION 27 – COMMUNICATIONS

27 05 11 Requirements for Communications Installations 06-15 27 05 26 Grounding and Bonding for Communications Systems 06-15 27 05 33 Raceways and Boxes for Communications Systems 06-15 27 08 00 Commissioning of Communications Systems 11-16 27 10 00 Control, Communication and Signal Wiring 06-15 27 11 00 Communications Equipment Room Fittings 06-15 27 15 00 Communications Structured Cabling 01-16

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

28 05 00 Common Work Results for Electronic Safety and Security 09-11 28 05 13 Conductors and Cables for Electronic Safety and

Security 09-11

28 05 26 Grounding and Bonding for Electronic Safety and Security

09-11

28 05 28.33 Conduits and Backboxes for Electronic Safety and Security

09-11

28 08 00 Commissioning of Electronic Safety and Security Systems 11-16 28 13 00 Physical Access Control System 10-11 28 31 00 Fire Detection and Alarm 10-11 Appendix-A Triennial Asbestos Reinspection Report B126 OP

(Available as Digital Format Only)

Appendix-B Product Data Appendix-C IT – SOP Cabling and Testing for Administrative Offices

Tibor Rubin VA Medical Center

Long Beach, California

02-01-15

23 36 00 - 1

SECTION 23 36 00

AIR TERMINAL UNITS

PART 1 - GENERAL

1.1 DESCRIPTION

Air terminal units, air flow control valves.

1.2 RELATED WORK

A. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and SAMPLES.

B. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL

COMPONENTS.

B. Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION.

C. Section 23 05 41, NOISE and VIBRATION CONTROL FOR HVAC PIPING and

EQUIPMENT.

F. Section 23 05 93, TESTING, ADJUSTING, and BALANCING FOR HVAC.

E. Section 23 09 23, DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC.

D. Section 23 31 00, HVAC DUCTS and CASINGS.

G.Section 23 82 16, AIR COILS.

1.3 QUALITY ASSURANCE

Refer to Paragraph, QUALITY ASSURANCE, in Section 23 05 11, COMMON WORK

RESULTS FOR HVAC AND STEAM GENERATION.

1.4 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, and SAMPLES.

B. Manufacturer's Literature and Data:

1. Air Terminal Units: Submit test data.

2. Air flow control valves.

C. Samples: Provide one typical air terminal unit for approval by the

Resident Engineer. This unit will be returned to the Contractor after all similar units have been shipped and deemed acceptable at the job site.

D. Certificates:

1. Compliance with paragraph, QUALITY ASSURANCE.

2. Compliance with specified standards.

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E. Operation and Maintenance Manuals: Submit in accordance with paragraph, INSTRUCTIONS, in Section 01 00 00, GENERAL REQUIREMENTS.

1.5 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.

B. Air Conditioning and Refrigeration Institute (AHRI)/(ARI):

880-08..................Air Terminals Addendum to ARI 888-98 incorporated into standard posted 15th December

C. National Fire Protection Association (NFPA):

90A-09..................Standard for the Installation of Air

Conditioning and Ventilating Systems

D. Underwriters Laboratories, Inc. (UL):

181-08..................Standard for Factory-Made Air Ducts and Air

Connectors

E. American Society for Testing and Materials (ASTM):

C 665-06................Standard Specification for Mineral-Fiber

Blanket Thermal Insulation for Light Frame

Construction and Manufactured Housing

1.6 GUARANTY

In accordance with the GENERAL CONDITIONS

PART 2 - PRODUCTS

2.1 GENERAL

A. Coils:

1. Water Heating Coils:

a. ARI certified, continuous plate or spiral fin type, leak tested at 2070 kPa (300 PSI).

b. Capacity: As indicated, based on scheduled entering water temperature.

c. Headers: Copper or Brass.

d. Fins: Aluminum, maximum 315 fins per meter (8 fins per inch).

e. Tubes: Copper, arrange for counter-flow of heating water.

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f. Water Flow Rate: Minimum 0.032 Liters/second (0.5 GPM).

g. Provide vent and drain connection at high and low point, respectively of each coil.

h. Coils shall be guaranteed to drain.

2. Electric Heating Coils:

a. ARI certified, spiral fin type.

b. Capacity: As indicated, based on scheduled data.

c. Coil: Enclosed copper tube, aluminum finned element of coiled nickel-chrome resistance wire centered in tubes and embedded in refractory material. Exposed helical coil of nickel-chrome resistance wire with refractory ceramic support bushings will not be allowed.

B. Labeling: Control box shall be clearly marked with an identification label that lists such information as nominal CFM, maximum and minimum factory-set airflow limits, coil type and coil connection orientation, where applicable.

C. Factory calibrate air terminal units to air flow rate indicated. All settings including maximum and minimum air flow shall be field adjustable.

D. Dampers with internal air volume control: See section 23 31 00 HVAC

DUCTS and CASINGS.

E. Terminal Sound Attenuators: See Section 23 31 00 HVAC DUCTS and

CASINGS.

2.2 AIR TERMINAL UNITS (BOXES)

A. General: Factory built, pressure independent units, factory set-field adjustable air flow rate, suitable for single duct applications. Use of dual-duct air terminal units is not permitted. Clearly show on each unit the unit number and factory set air volumes corresponding to the contract drawings. Section 23 05 93, TESTING, ADJUSTING, and BALANCING

FOR HVAC work assumes factory set air volumes. Coordinate flow controller sequence and damper operation details with the drawings and

Section 23 09 23, DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC. All air terminal units shall be brand new products of the same manufacturer.

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B. Capacity and Performance: The Maximum Capacity of a single terminal unit shall not exceed 566 Liters/second (1,200 CFM) with the exception of operating rooms and Cystoscopy rooms, which shall be served by a single air terminal unit at a maximum of 1,250 Liters/second (3,000

CFM).

C. Sound Power Levels:

Acoustic performance of the air terminal units shall be based on the design noise levels for the spaces stipulated in Section 23 05 41

(Noise and Vibration Control for HVAC Piping and Equipment). Equipment schedule (…) shall show the sound power levels in all octave bands.

Terminal sound attenuators shall be provided, as required, to meet the intent of the design.

D. Casing: Unit casing shall be constructed of galvanized steel no lighter than 0.85 mm (22 Gauge). Air terminal units serving the operating rooms and Cystoscopy rooms shall be fabricated without lining. Provide hanger brackets for attachment of supports.

1. Lining material: Suitable to provide required acoustic performance, thermal insulation and prevent sweating. Meet the requirements of

NFPA 90A and comply with UL 181 for erosion as well as ASTMC 665 antimicrobial requirements. Insulation shall consist of 13 mm (1/2

IN) thick non-porous foil faced rigid fiberglass insulation of 4-lb/cu.ft, secured by full length galvanized steel z-strips which enclose and seal all edges. Tape and adhesives shall not be used.

Materials shall be non-friable and with surfaces, including all edges, fully encapsulated and faced with perforated metal or coated so that the air stream will not detach material. No lining material is permitted in the boxes serving operating rooms and Cystoscopy rooms.

2. Access panels (or doors): Provide panels large enough for inspection, adjustment and maintenance without disconnecting ducts, and for cleaning heating coils attached to unit, even if there are no moving parts. Panels shall be insulated to same standards as the rest of the casing and shall be secured and gasketed airtight. It shall require no tool other than a screwdriver to remove.

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3. Total leakage from casing: Not to exceed 2 percent of the nominal capacity of the unit when subjected to a static pressure of 750 Pa

(3 inch WG), with all outlets sealed shut and inlets fully open.

4. Octopus connector: Factory installed, lined air distribution terminal. Provide where flexible duct connections are shown on the drawings connected directly to terminals. Provide butterfly-balancing damper, with locking means in connectors with more than one outlet. Octopus connectors and flexible connectors are not permitted in the Surgical Suite.

E. Construct dampers and other internal devices of corrosion resisting materials which do not require lubrication or other periodic maintenance.

1. Damper Leakage: Not greater than 2 percent of maximum rated capacity, when closed against inlet static pressure of 1 kPa (4 inch

WG).

F. Provide multi-point velocity pressure sensors with external pressure taps.

1. Provide direct reading air flow rate table pasted to box.

G. Provide static pressure tubes.

H. Externally powered DDC variable air volume controller and damper actuator to be furnished under Section 23 09 23, DIRECT-DIGITAL CONTROL

SYSTEM FOR HVAC for factory mounting on air terminal units. The DDC controller shall be electrically actuated.

I. Fan powered terminal units:

1. General: The fan will be in a series configuration inside the unit casing.

2. Fan assembly: Forward curved centrifugal direct drive blower with adjustable speed controller.

a. Motor: Integral thermal overload protection.

SPEC WRITER NOTE: Schedule motor voltage.

1) 115 V single phase.

208/240 V single phase.

277 V single phase.

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b. Motor assembly: Completely isolated from cabinet with rubber vibration mounts.

3. Wiring: Factory mounted and wire controls. Mount electrical components NEMA-1 control box with removable cover. Incorporate single point electrical connection to power source. Provide terminal strip in control box for field wiring of power source.

Provide factory wired non-fused disconnect switch on each terminal unit.

4. Provide 1-inch thick throwaway filter in the return air inlet.

2.3 AIR FLOW CONTROL VALVE (AFCV)

A. Airflow control device shall be a venturi valve type air flow control valve.

B. Pressure independent over a 150 Pa-750 Pa (0.6 inch WG – 3.0 inch WG) drop across valve.

C. Volume control accurate to plus or minus 5% of airflow over an airflow turndown range of 16 to 1. No minimum entrance or exit duct diameters shall be required to ensure accuracy or pressure independence.

D. Response time to change in command signal and duct static pressure within three seconds.

E. 16 gauge spun aluminum valve body and control device with continuous welded seam and 316 stainless steel shaft and shaft support brackets.

Pressure independent springs shall be stainless steel. Shaft bearing surfaces shall be Teflon or polyester.

F. 316 stainless steel continuous welded seam valve body, control device, shaft, shaft support bracket, pivot arm and internal mounting link.

The control device shall have a baked on corrosion resistant phenolic coating. The shaft shall have a Teflon coating and all shaft bearing surfaces shall be made of Teflon. The pressure independent springs shall be made of stainless steel.

G. The airflow device shall have no exposed aluminum or stainless steel components. The shaft support brackets, pivot arm, internal mounting for Administrative Offices

Tibor Rubin VA Medical Center

23 36 00 - 7 link, and pressure independent springs shall have a baked-on corrosion resistant phenolic coating. Internal nuts, bolts, and rivets shall be titanium or phenolic coated stainless steel.

H. Constant volume units:

1. Actuator to be factory mounted to the valve.

2. Closed loop control of airflow by way of flow feedback signal with less than 1 second response time.

3. Shaft positioned using direct potentiometer measurement to produce a linear factory calibrated feedback.

4. The maximum and minimum airflows shall be as scheduled.

I. Variable volume units:

1. Actuator to be factory mounted to the valve.

2. Closed loop control of airflow by way of flow feedback signal with less than 1 second response time.

3. Shaft positioned using direct potentiometer measurement to produce a linear factory calibrated feedback.

J. Certification:

1. Control device: factory calibrated to airflows detailed on plans using NIST traceable air stations and instrumentation having a combined accuracy of plus or minus 1% of signal over the entire range of measurement.

2. Electronic airflow control devices: further calibrated and their accuracy verified to plus or minus 5% of signal at a minimum of eight different airflows across the full operating range of the device.

3. All airflow control devices: individually marked with device specific, factory calibration data to include: tag number, serial number, model number, eight point characterization information (for electronic devices), and quality control inspection numbers.

K. Airflow measuring devices and airflow control devices that are not venturi valves (e.g., Pitot tube, flow cross, air bar, orifice ring, vortex shedder, etc.) are acceptable, provided the following conditions are met:

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1. They meet the performance and construction characteristics stated throughout this section of the specification.

2. Suppliers of airflow control devices or airflow measuring devices requiring minimum duct diameters: provide revised duct layouts showing the required straight duct runs upstream and downstream of these devices.

3. Supplier of the airflow control system: submit coordination drawings reflecting these changes and include static pressure loss calculations as part of submittal.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Work shall be installed as shown and according to the manufacturer’s diagrams and recommendations.

B. Handle and install units in accordance with manufacturer's written instructions.

C. Support units rigidly so they remain stationary at all times.

Cross-bracing or other means of stiffening shall be provided as necessary. Method of support shall be such that distortion and malfunction of units cannot occur.

D. Locate air terminal units to provide a straight section of inlet duct for proper functioning of volume controls. See VA Standard Detail.

3.2 OPERATIONAL TEST

Refer to Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM

GENERATION.

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SECTION 23 37 00

AIR OUTLETS AND INLETS

PART 1 - GENERAL

1.1 DESCRIPTION

A. Roof Curbs

B. Air Outlets and Inlets: Diffusers, Registers, and Grilles.

1.2 RELATED WORK

A. Section 08 90 00, LOUVERS and VENTS.

B. Section 11 53 13, LABORATORY FUME HOODS.

C. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL

COMPONENTS.

D. Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION.

E. Section 23 05 41, NOISE and VIBRATION CONTROL FOR HVAC PIPING and

EQUIPMENT.

F. Section 23 05 93, TESTING, ADJUSTING, and BALANCING FOR HVAC.

1.3 QUALITY ASSURANCE

A. Refer to article, QUALITY ASSURANCE, in Section 23 05 11, COMMON WORK

RESULTS FOR HVAC and STEAM GENERATION.

B. Fire Safety Code: Comply with NFPA 90A.

1.4 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, and SAMPLES.

B. Manufacturer's Literature and Data:

1. Air intake/exhaust hoods.

2. Diffusers, registers, grilles and accessories.

C. Coordination Drawings: Refer to article, SUBMITTALS, in Section 23 05

11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION.

1.5 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.

B. Air Diffusion Council Test Code:

1062 GRD-84.............Certification, Rating, and Test Manual 4th

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Tibor Rubin VA Medical Center

23 37 00 - 2

C. American Society of Civil Engineers (ASCE):

ASCE7-05................Minimum Design Loads for Buildings and Other

Structures

D. American Society for Testing and Materials (ASTM):

A167-99 (2004)..........Standard Specification for Stainless and

Heat-Resisting Chromium-Nickel Steel Plate, Sheet and Strip

B209-07.................Standard Specification for Aluminum and

Aluminum-Alloy Sheet and Plate

E. National Fire Protection Association (NFPA):

90A-09..................Standard for the Installation of Air

Conditioning and Ventilating Systems

F. Underwriters Laboratories, Inc. (UL):

181-08..................UL Standard for Safety Factory-Made Air Ducts and Connectors

PART 2 - PRODUCTS

2.1 GRAVITY INTAKE/EXHAUST VENTILATORS (ROOF MOUNTED)

A. Aluminum, ASTM B209, louvered, spun, or fabricated using panel sections with roll-formed edges, 13 mm (1/2 inch) mesh aluminum welded wire bird screen, with gravity or motorized dampers where shown, accessible interior, designed for wind velocity specified in Paragraph 3.3.

1. Spun Intake/Exhaust Ventilators: Spun aluminum structural components shall be constructed of minimum 1.3 mm (16 Gauge) marine alloy aluminum, bolted to a rigid aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak protection. The spun aluminum baffle shall have a rolled bead for added strength.

2. Louvered Intake/Exhaust Hoods: Louvered hood constructed from 0.081

Gauge extruded aluminum tiers welded to a minimum 3.3 mm (8 Gauge) aluminum support structure. The aluminum hood shall be constructed of a minimum 0.064 marine alloy aluminum and provided with a layer of anti-condensate coating. The aluminum base shall have continuously welded curb cap corners for maximum leak protection.

3. Low Silhouette Intake/Exhaust Ventilator: The unit shall be of bolted and welded construction utilizing corrosion resistant for Administrative Offices

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23 37 00 - 3 fasteners. The aluminum hood shall be constructed of minimum 1.60 mm

(14 Gauge) marine alloy aluminum, bolted to a minimum 3.25 mm (8

Gauge) aluminum support structure. The aluminum base shall have continuously welded curb cap corners for maximum leak protection.

Birdscreen constructed of 13 mm (1/2 inch) mesh shall be mounted across the relief opening.

B. See ventilator schedule on the drawings. Sizes shown on the drawings designate throat size. Area of ventilator perimeter opening shall be not less than the throat area.

C. Dampers for Gravity Ventilators without Duct Connection: Construct damper of the same material as the ventilator and of the design to completely close opening or remain wide open. Hold damper in closed position by a brass chain and catch. Extend chains 300 mm (12 inches) below and engage catch when damper is closed.

E. Provide Roof Curb by unit manufacturer. Refer to Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION for additional requirements.

2.2 EQUIPMENT SUPPORTS

Refer to Section 21 05 11, COMMON WORK RESULTS FOR FIRE SUPPRESSION, Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING, and Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM GENERATION.

2.3 AIR OUTLETS AND INLETS

A. Materials:

1. Steel or aluminum. Provide manufacturer's standard gasket.

2. Exposed Fastenings: The same material as the respective inlet or outlet. Fasteners for aluminum may be stainless steel.

3. Contractor shall review all ceiling drawings and details and provide all ceiling mounted devices with appropriate dimensions and trim for the specific locations.

B. Performance Test Data: In accordance with Air Diffusion Council Code

1062GRD. Refer to Section 23 05 41, NOISE and VIBRATION CONTROL FOR

HVAC PIPING and EQUIPMENT for NC criteria.

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C. Air Supply Outlets:

1. Ceiling Diffusers: Suitable for surface mounting, exposed T-bar or special tile ceilings, off-white finish, square or round neck connection as shown on the drawings. Provide plaster frame for units in plaster ceilings.

a. Square, louver, fully adjustable pattern: Round neck, surface mounting unless shown otherwise on the drawings. Provide equalizing or control grid and volume control damper.

b. Louver face type: Square or rectangular, removable core for 1, 2, 3, or 4 way directional pattern. Provide equalizing or control grid and opposed blade damper.

c. Perforated face type: Manual adjustment for one-, two-, three-, or four-way horizontal air distribution pattern without change of air volume or pressure. Provide equalizing or control grid and opposed blade over overlapping blade damper. Perforated face diffusers for VAV systems shall have the pattern controller on the inner face, rather than in the neck and designed to discharge air horizontally at the ceiling maintaining a Coanda effect.

d. Slot diffuser/plenum:

1) Diffuser: Frame and support bars shall be constructed of heavy gauge extruded aluminum. Form slots or use adjustable pattern controllers, to provide stable, horizontal air flow pattern over a wide range of operating conditions.

2) Galvanized steel boot lined with 13 mm (1/2 inch) thick fiberglass conforming to NFPA 90A and complying with UL 181 for erosion. The internal lining shall be factory-fabricated, anti-microbial, and non-friable.

3) Provide inlet connection diameter equal to duct diameter shown on drawings or provide transition coupling if necessary. Inlet duct and plenum size shall be as recommended by the manufacturer.

4) Maximum pressure drop at design flow rate: 37 Pa

(0.15 inch W.G.)

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2. Linear Bar Grilles and Diffusers: Extruded aluminum, manufacturer's standard finish, and positive holding concealed fasteners.

a. Margin Frame: Flat, 20 mm (3/4 inch) wide.

b. Bars: Minimum 5 mm (3/16 inch) wide by 20 mm (3/4 inch) deep, zero deflection unless otherwise shown. Bar spacing shall be a minimum of 3 mm (1/8 inch) on center. Reinforce bars on 450 mm

(18 inch) center for sidewall units and on 150 mm (6 inch) center for units installed in floor or sills.

c. Provide opposed blade damper and equalizing or control grid where shown .

3. Operating Room Air Distribution Devices:

a. Devices shall consist of a non-aspirating perforated panel center air supply providing downward airflow over the operating table and fixed nonadjustable multiple slot perimeter panels surrounding the operating table area to provide an air curtain which shall be projected outward from the operating table area at not less than a five degree angle nor more than a 15 degree angle. Velocity of air distribution at operating table height shall not exceed 12 m/min (40 feet per minute) for the center supply or 15 m/min (50 feet per minute) for the air curtain.

Perforated pressure plates shall be provided over the perimeter and center air distribution faces to equalize pressure and airflow throughout the system.

b. All components of the system inside the operating room shall be fabricated of 1.0 mm (20 Gauge) thick 18-8 stainless steel (ASTM

A167), No. 4 finish, and outside the operating room shall be of the manufacturer’s standard aluminum finish. All distribution components and pressure plates shall be attached to the face panels at both the perimeter and center. The face panels shall be retained with 1/4 turn fasteners. Plenums shall be supplied by the manufacturer and shall be sized to permit them to be easily wiped out by hand with germicidal solution for sterilization purposes and all horizontal corners of the plenums shall have a minimum radius of 20 mm (3/4 inch). Connecting elbows shall be for Administrative Offices

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23 37 00 - 6 radialized and be sized to permit manual sterilization of the plenums.

4. Supply Registers: Double deflection type with horizontal face bars and opposed blade damper with removable key operator.

a. Margin: Flat, 30 mm (1-1/4 inches) wide.

b. Bar spacing: 20 mm (3/4 inch) maximum.

c. Finish: Off white baked enamel for ceiling mounted units. Wall units shall have a prime coat for field painting, or shall be extruded with manufacturer's standard finish.

5. Supply Grilles: Same as registers but without the opposed blade damper.

6. Drum Louvers: Aluminum construction, drum louver, with pivoted blades and rotating drum to adjust length of throw and direction.

a. Register shall have integral; face adjustable, opposed blade damper constructed of heavy gauge steel. Damper shall be operable from the face of the register. Units shall be nozzle type with adjustable discharge pattern.

7. Jet Diffusers: Aluminum construction (nozzle and frame) suitable for wall or ceiling mounting or direct mounting on ducts.

D. Return and Exhaust Registers and Grilles: Provide opposed blade damper without removable key operator for registers.

1. Finish: Off-white baked enamel for ceiling mounted units. Wall units shall have a prime coat for field painting, or shall be extruded aluminum with manufacturer's standard aluminum finish.

2. Standard Type: Fixed horizontal face bars set at 30 to 45 degrees, approximately 30 mm (1-1/4 inch) margin.

3. Perforated Face Type: To match supply units.

4. Grid Core Type: 13 mm by 13 mm (1/2 inch by 1/2 inch) core with 30 mm (1-1/4 inch) margin.

5. Linear Type: To match supply units.

6. Door Grilles: Are furnished with the doors.

7. Egg Crate Grilles: Aluminum or Painted Steel 1/2 by 1/2 by 1/2 inch grid providing 90% free area.

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a. Heavy extruded aluminum frame shall have countersunk screw mounting. Unless otherwise indicated, register blades and frame shall have factory applied white finish.

b. Grille shall be suitable for duct or surface mounting as indicated on drawings. All necessary appurtenances shall be provided to allow for mounting.

E. Supply Registers in Psychiatric Rooms: Supply air registers shall be security type, steel with perforated faceplate, flat surface margin, extension sleeve, opposed blade damper and back mounting flanges.

Faceplate shall be 5 mm (3/16 inch) (minimum) with 5x5 mm holes on 7 mm (3/16 by 3/16 inch holes on 9/32 inch) spacing and a minimum free area of 45 percent. Wall sleeve shall be 5 mm (3/16 inch) thick

(minimum).

F. Air Inlet Registers in Psychiatric Rooms: Return, exhaust, transfer and relief air registers shall be security type, steel with perforated faceplate, flat surface margin, wall sleeve, opposed blade damper and back mounting flanges. Faceplate shall be 5 mm (3/16 inch) (minimum) with 5x5 mm holes on 7 mm (3/16 by 3/16 inch holes on 9/32 inch) spacing and a minimum free area of 45 percent. Wall sleeve shall be 5 mm (3/16 inch) thick (minimum).

G. Acoustic Transfer Grille: Aluminum, suitable for partition or wall mounting.

2.4 WIRE MESH GRILLE

A. Fabricate grille with 2 x 2 mesh 13 mm (1/2 inch) galvanized steel or aluminum hardware cloth in a spot welded galvanized steel frame with approximately 40 mm (1-1/2 inch) margin.

B. Use grilles where shown in unfinished areas such as mechanical rooms.

2.5 FILTER RETURN/EXHAUST GRILLE

A. Provide grille with in stream 1-inch deep MERV 4 filter and removable face.

1. Finish: Off-white baked enamel for ceiling mounted units. Wall units shall have a prime coat for field painting, or shall be extruded aluminum with manufacturer's standard aluminum finish. Stainless

Steel shall be No. 4 finish.

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2. Standard Type: Fixed horizontal face bars set at 30 to 45 degrees, approximately 30 mm (1-1/4 inch) margin.

3. Steel, Aluminum, or Stainless steel as scheduled.

4. Standard face connected to a mounting frame with space for a throwaway filter. Hold face closed by a locking screw. Provide retaining clips to hold filter in place. Provide fiberglass throwaway filter.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Comply with provisions of Section 23 05 11, COMMON WORK RESULTS FOR

HVAC AND STEAM GENERATION, particularly regarding coordination with other trades and work in existing buildings.

B. Protection and Cleaning: Protect equipment and materials against physical damage. Place equipment in first class operating condition, or return to source of supply for repair or replacement, as determined by

Resident Engineer. Protect equipment during construction against entry of foreign matter to the inside and clean both inside and outside before operation and painting.

3.2 TESTING, ADJUSTING AND BALANCING (TAB)

Refer to Section 23 05 93, TESTING, ADJUSTING, and BALANCING FOR HVAC.

3.3 OPERATING AND PERFORMANCE TESTS

Refer to Section 23 05 11, COMMON WORK RESULTS FOR HVAC and STEAM

GENERATION

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23 40 00 - 1

SECTION 23 40 00

HVAC AIR CLEANING DEVICES

PART 1 - GENERAL

1.1 DESCRIPTION

A. Air filters for heating, ventilating and air conditioning.

B. Definitions: Refer to ASHRAE Standard 52.2 for definitions of face velocity, net effective filtering area, media velocity, initial resistance (pressure drop), MERV (Minimum Efficiency Reporting Value), PSE (Particle Size Efficiency), particle size ranges for each MERV number, dust holding capacity and explanation of electrostatic media based filtration products versus mechanical filtration products. Refer to ASHRAE Standard 52.2 Appendix J for definition of MERV-A.

1.2 RELATED WORK

A. Section 23 05 11, COMMON WORK RESULTS FOR HVAC AND STEAM GENERATION:

General mechanical requirements and items, which are common to more than one section of Division 23.

B. Section 23 73 00, INDOOR CENTRAL-STATION AIR-HANDLING UNITS: Filter housing and racks.

C. Section 23 73 13, PACKAGED, OUTDOOR, CENTRAL-STATION AIR-HANDLING UNITS:

Filter housing and racks.

D. Section 23 08 00 – COMMISSIONING OF HVAC SYSTEMS: Requirements for commissioning, systems readiness checklists, and training.

1.3 QUALITY ASSURANCE

A. Air Filter Performance Report for Extended Surface Filters:

1. Submit a test report for each Grade of filter being offered. The report shall not be more than three (3) years old and prepared by using test equipment, method and duct section as specified by ASHRAE

Standard 52.2 for type filter under test and acceptable to Resident

Engineer, indicating that filters comply with the requirements of this specification. Filters utilizing partial or complete synthetic media will be tested in compliance with pre-conditioning steps as stated in Appendix J. All testing is to be conducted on filters with a nominal 24 inch by 24 inch face dimension. Test for 150 m/min (500 fpm) will be accepted for lower velocity rated filters provided the for Administrative Offices

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23 40 00 - 2 test report of an independent testing laboratory complies with all the requirements of this specification.

2. Government Option: The Government at its option may take one of the filters for each different type submitted and run an independent test to determine if the filter meets the requirements of this specification. When the filter meets the requirements, the Government will pay for the test. When the filter does not meet the specification requirements, the manufacturer will be required to pay for the test and replace the filters with filters that will perform as required by the specifications.

3. Guarantee Performance: The manufacturer shall supply ASHRAE 52.2 test reports on each filter type submitted. Any filter supplied will be required to maintain the minimum efficiency shown on the ASHRAE

Standard 52.2 report throughout the time the filter is in service.

Within the first 6-12 weeks of service a filter may be pulled out of service and sent to an independent laboratory for ASHRAE Standard

52.2 testing for initial efficiency only. If this filter fails to meet the minimum level of efficiency shown in the previously submitted reports, the filter manufacturer/distributor shall take back all filters and refund the owner all monies paid for the filters, cost of installation, cost of freight and cost of testing.

B. Filter Warranty for Extended Surface Filters: Guarantee the filters against leakage, blow-outs, and other deficiencies during their normal useful life, up to the time that the filter reaches the final pressure drop. Defective filters shall be replaced at no cost to the Government.

C. Comply with UL Standard 900 for flame test.

D. Nameplates: Each filter shall bear a label or name plate indicating manufacturer's name, filter size, rated efficiency, UL classification, and file number.

1.4 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Manufacturer's Literature and Data:

1. Extended surface filters.

2. Holding frames. Identify locations.

3. Side access housings. Identify locations, verify insulated doors.

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4. HEPA filters.

5. Magnehelic gages.

C. Air Filter performance reports.

D. Suppliers warranty.

E. Field test results for HEPA filters as per paragraph 2.3.E.3.

1.5 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by basic designation only.

B. American Society of Heating, Refrigerating and Air-conditioning

Engineers, Inc. (ASHRAE):

52.2-2007...............Method of Testing General Ventilation Air-

Cleaning Devices for Removal Efficiency by

Particle Size, including Appendix J

C. American Society of Mechanical Engineers (ASME):

NQA-1-2008..............Quality Assurance Requirements for Nuclear

Facilities Applications

D. Underwriters Laboratories, Inc. (UL):

900;Revision 15 July 2009 Test Performance of Air Filter Units

PART 2 - PRODUCTS

2.1 REPLACEMENT FILTER ELEMENTS TO BE FURNISHED

A. To allow temporary use of HVAC systems for testing and in accordance with Paragraph, TEMPORARY USE OF MECHANICAL AND ELECTRICAL SYSTEMS in

Section 01 00 00, GENERAL REQUIREMENTS, provide one complete set of additional filters to the Resident Engineer.

B. The Resident Engineer will direct whether these additional filters will either be installed as replacements for dirty units or turned over to VA for future use as replacements.

2.2 EXTENDED SURFACE AIR FILTERS

A. Use factory assembled air filters of the extended surface type with supported or non-supported cartridges for removal of particulate matter in air conditioning, heating and ventilating systems. Filter units shall be of the extended surface type fabricated for disposal when the contaminant load limit is reached as indicated by maximum (final) pressure drop.

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B. Filter Classification: UL listed and approved conforming to UL Standard

900.

C. HVAC Filter Types

HVAC Filter Types

Table 2.2C

MERV Value

ASHRAE

52.2

MERV-A

Value

ASHRAE 62.2

Appendix J

Application Particle Size Thickness /Type

8 8-A Pre-Filter 3 to 10 Microns 50 mm (2-inch)

Throwaway

11 11-A After-Filter 1 to 3 Microns 150 mm (6-inch) or 300 mm (12-inch) Rigid

Cartridge

13 13-A After-Filter 0.3 to 1 Microns 150 mm (6-inch) or 300 mm (12-inch) Rigid

Cartridge

14 14-A After-Filter 0.3 to 1 Microns 150 mm (6-inch) or 300 mm (12-inch) Rigid

Cartridge

D. HEPA Filters

HEPA Filters

Table 2.2D

Efficiency at 0.3

Micron

Application Initial

Resistance

(inches w.g.)

Rated CFM Construction

99.97 Final Filter 1.35 1100 Galvanized Frame X-

Body

99.97 Final Filter 1.00 2000 Aluminum Frame V-Bank

2.3 MEDIUM EFFICIENCY PLEATED PANEL PRE-FILTERS (2”; MERV 8; UL 900 CLASS 2):

A. Construction: Air filters shall be medium efficiency ASHRAE pleated panels consisting of cotton and synthetic or 100% virgin synthetic media, self supporting media with required media stabilizers, and beverage board enclosing frame. Filter media shall be lofted to a uniform depth and formed into a uniform radial pleat. The media stabilizers shall be bonded to the downstream side of the media to maintain radial pleats and prevent media oscillation. An enclosing frame of no less than 28-point high wet-strength beverage board shall provide a rigid and durable enclosure. The frame shall be bonded to the media on all sides to prevent air bypass. Integral diagonal support members on the air entering and air exiting side shall be bonded to the apex of each pleat to maintain uniform pleat spacing in varying airflows.

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B. Performance: The filter shall have a Minimum Efficiency Reporting Value of MERV 8 when evaluated under the guidelines of ASHRAE Standard 52.2.

It shall also have a MERV-A of 8 when tested per Appendix J of the same standard. The media shall maintain or increase in efficiency over the life of the filter. Pertinent tolerances specified in Section 7.4 of the

Air-Conditioning and Refrigeration Institute (ARI) Standard 850-93 shall apply to the performance ratings. All testing is to be conducted on filters with a nominal 24” x 24” face dimension.

Minimum Efficiency Reporting (MERV) 8

Dust Holding Capacity (Grams) 105

Nominal Size (Width x Height x Depth) 24x24x2

Rated Air Flow Capacity (Cubic Feet per

Minute)

2,000

Rated Air Flow Rate (Feet per Minute) 500

Final Resistance (Inches w.g.)

Maximum Recommended Change-Out Resistance

(Inches w.g.)

1.0

0.66

Rated Initial Resistance (Inches w.g.) 0.33

C. The filters shall be approved and listed by Underwriters' Laboratories, Inc. as Class 2 when tested according to U. L. Standard 900 and CAN 4-

5111.

2.4 HIGH EFFICIENCY EXTENDED SURFACE (INTERMEDIATE/AFTER (FINAL)) CARTRIDGE

FILTERS (12”; MERV 14/13/11; UL 900 CLASS 2):

A. Construction: Air filters shall consist of 8 pleated media packs assembled into 4 V-banks within a totally plastic frame. The filters shall be capable of operating at temperatures up to 80 degrees C (176 degrees F). The filters must either fit without modification or be adaptable to the existing holding frames. The molded end panels are to be made of high impact polystyrene plastic. The center support members shall be made of ABS plastic. No metal components are to be used.

B. Media: The media shall be made of micro glass fibers with a water repellent binder. The media shall be a dual density construction, with coarser fibers on the air entering side and finer fibers on the air leaving side. The media shall be pleated using separators made of continuous beads of low profile thermoplastic material. The media packs shall be bonded to the structural support members at all points of for Administrative Offices

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23 40 00 - 6 contact, this improves the rigidity as well as eliminates potential air bypass in the filter

C. Performance: Filters of the size, air flow capacity and nominal efficiency (MERV) shall meet the following rated performance specifications based on the ASHRAE 52.2-1999 test method. Where applicable, performance tolerance specified in Section 7.4 of the Air-

Conditioning and Refrigeration Institute (ARI) Standard 850-93 shall apply to the performance ratings. All testing is to be conducted on filters with a nominal 24"x24" header dimension.

Minimum Efficiency Reporting Value

(MERV)

14 13 11

Gross Media Area (Sq. Ft.)

Dust Holding Capacity (Grams)

Nominal Size (Width x Height x Depth) 24x24x12 24x24x12 24x24x12

Rated Air Flow Capacity (cubic feet per minute)

2,000 2,000 2,000

Rated Air Flow Rate (feet per minute) 500 500 500

Final Resistance (inches w.g.)

Maximum Recommended Change-Out

Resistance (Inches w.g.)

2.0

0.74

2.0

0.68

2.0

0.54

Rated Initial Resistance (inches w.g.) 0.37 0.34 0.27

2.5 HIGH EFFICIENCY PARTICULATE AIR (HEPA) FILTERS STANDARD CAPACITY (FINAL

FILTER APPLICATION)

A. Air filters shall be HEPA grade standard capacity air filters with waterproof micro glass fiber media, corrugated aluminum separators, urethane sealant, 16-gauge steel enclosing frame and fluid sealing gasket. Sizes shall be as noted on drawings or other supporting materials.

B. Construction: Filter media shall be one continuous pleating of microfine glass fiber media. Pleats shall be uniformly separated by corrugated aluminum separators incorporating a hemmed edge to prevent damage to the media. The media pack shall be potted into the enclosing frame with a fire-retardant urethane sealant. The enclosing frame shall be of 16-gauge steel, with a zinc aluminum alloy finish, and shall be bonded to the media pack to form a rugged and durable enclosure. The filter shall be assembled without the use of fasteners to ensure no frame penetrations. Overall dimensional tolerance shall be correct within -for Administrative Offices

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1/8”, +0”, and square within 1/8”. A poured-in-place seamless sealing gasket shall be included on the downstream side of the enclosing frame to form a positive seal upon installation.

C. Performance: The filter shall have a tested efficiency of 99.97%when evaluated according to IEST Recommended Practice. Initial resistance to airflow shall not exceed 1.0” w.g. at rated capacity. Filter shall be listed by Underwriters Laboratories as UL 900. The filter shall be capable of withstanding 10” w.g. without failure of the media pack.

Manufacturer shall provide evidence of facility certification to ISO

9001:2000.

HEPA Performance (Standard Capacity)

Table 2.5A

Nominal Size

(inches)

Airflow Capacity

(cfm)

Media Area

(Square Feet)

24H by 24W by 12D 1080 at 1.0” w.g. 153

24H by 12W by 12D 500 at 1.0” w.g. 33

Follow manufacturers’ recommendation for change out resistance, typically double the initial.

D. Supporting Data: The filter shall be labeled as to tested efficiency, rated/tested cfm, pressure drop and shall be serialized for identification. The manufacturer shall supply a Certificate of

Conformance for each HEPA filter supplied to the facility.

2.6 HEPA FILTERS HIGH CAPACITY V-BANK HIGH CAPACITY FILTERS (FINAL FILTER

APPLICATION)

A. Air filters shall be absolute grade HEPA filters consisting of pleated media packs assembled in a V-bank configuration, polyurethane sealant, anodized aluminum enclosure and seamless fluid sealing gasket. Sizes shall be as noted on enclosed drawings or other supporting materials.

B. Construction: Filter media shall be micro fiber glass formed into mini-pleat pleat-in-pleat V-bank design. The media packs shall be potted into the enclosing frame with fire retardant polyurethane sealant. An enclosing frame of anodized extruded aluminum shall form a rugged and durable enclosure. A seamless sealing gasket shall be included on the downstream side of the filter to form a positive seal upon installation.

C. Performance: Filter efficiency at 0.3 micron shall be 99.99% when evaluated according to the IEST Recommended Practice for applicable type. Each filter shall be labeled as to tested performance. Initial resistance target shall not exceed 1.0” w.g. at rated airflow.

HEPA Performance V-Bank Style (High Capacity)

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Nominal Size

(inches)

Airflow Capacity

(cfm)

Media Area

(Square Feet)

24H by 24W by 12D 2000 at 1.0” w.g. 390

24H by 12W by 12D 900 at 1.0” w.g. 174

Follow manufacturers’ recommendation for change out resistance, typically double the initial.

D. Supporting Data: The filter shall be labeled as to tested efficiency, rated/tested cfm, pressure drop and shall be serialized for identification. The manufacturer shall supply a Certificate of

Conformance for each HEPA filter supplied to the facility.

E. Filter must be listed as UL 586 and UL 900 per Underwriters

Laboratories. Manufacturer shall provide evidence of facility certification to ISO 9001:2000.

2.7 FILTER HOUSINGS/SUPPORT FRAMES

A. Side Servicing Housings (HVAC Grade)

1. Filter housing shall be two-stage filter system consisting of 16-gauge galvanized steel enclosure, aluminum filter mounting track, universal filter holding frame, insulated dual-access doors, static pressure tap, filter gaskets and seals. In-line housing depth shall not exceed 21”. Sizes shall be as noted on enclosed drawings or other supporting materials.

2. Construction: The housing shall be constructed of 16-gauge galvanized steel with pre-drilled standing flanges to facilitate attachment to other system components. Corner posts of Z-channel construction shall ensure dimensional adherence. The housing shall incorporate the capability of two stages of filtration without modification to the housing. A filter track, of aluminum construction shall be an integral component of housing construction. The track shall accommodate a 2” deep prefilter, a 6” or 12” deep rigid final filter, or a pocket filter with header. Insulated dual access doors, swing-open type, shall include high-memory sponge neoprene gasket to facilitate a door-to-filter seal. Each door shall be equipped with adjustable and replaceable positive sealing UV-resistant star-style knobs and replaceable door hinges. A universal holding frame constructed of 18-gauge galvanized steel, equipped with centering dimples, multiple fastener lances, and polyurethane filter sealing gasket, shall be included to facilitate installation of high-for Administrative Offices

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23 40 00 - 9 efficiency filters. The housing shall include a pneumatic fitting to allow the…