Attachment 13 03 Volume 589-704 Spec.pdf

VA 589-704| Construct Infill of Building 26 And

Renovate Specialty Care Clinics

Robert J. Dole VAMC

Wichita, KS

100% BID Set

12/21/2021

Kansas Architectural

Kansas Civil

Kansas Structural

Kansas Fire Protection

Kansas Mechanical

Kansas Electrical

Construct Infill of Building 26 And Renovate Specialty Care Clinics

VA 589-704

Robert J. Dole VAMC

100% Bid Set

01-01-21

00 01 10-1

TABLE OF CONTENTS

DEPARTMENT OF VETERANS AFFAIRS

VHA MASTER SPECIFICATIONS

TABLE OF CONTENTS

Section 00 01 10

SECTION NO. DIVISION AND SECTION TITLES DATE

DIVISION 00 - SPECIAL SECTIONS

00 01 15 List of Drawing Sheets 05-20

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00 General Requirements 11-21

01 32 16.15 Project Schedules (Small Projects – Design/Bid/Build 11-21

01 33 23 Shop Drawings, Product Data, and Samples 09-22

01 35 26 Safety Requirements 10-22

01 42 19 Reference Standards 11-20

01 45 00 Quality Control 02-21

01 45 29 Testing Laboratory Services 11-18

01 45 35 Special Inspections 06-21

01 57 19 Temporary Environmental Controls 01-21

01 74 19 Construction Waste Management 04-22

01 91 00 General Commissioning Requirements 04-22

DIVISION 02 – EXISTING CONDITIONS

02 41 00 Demolition 08-17

02 82 11 Traditional Asbestos Abatement 01-21

02 82 13.13 Glovebag Asbestos Abatement 01-21

02 82 13.19 Asbestos Floor Tile and Mastic Abatement 01-21

02 82 13.21 Asbestos Roofing Abatement 01-21

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

DIVISION 03 – CONCRETE

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

DIVISION 04 – MASONRY

04 01 00 Maintenance of Masonry 01-21

04 05 13 Masonry Mortaring 10-17

04 05 16 Masonry Grouting 01-21

04 20 00 Unit Masonry 08-17

DIVISION 05 – METALS

05 12 00 Structural Steel Framing 11-18

05 31 00 Steel Decking 01-21

05 40 00 Cold-Formed Metal Framing 01-21

Robert J. Dole VAMC

100% Bid Set

01-01-21

00 01 10-2

TABLE OF CONTENTS

SECTION NO. DIVISION AND SECTION TITLES DATE

05 50 00 Metal Fabrications 08-18

05 51 00 Metal Stairs 01-21

DIVISION 06 – WOOD, PLASTICS AND COMPOSITES – NOT USED

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 21 13 Thermal Insulation 01-21

07 22 00 Roof and Deck Insulation 01-21

07 24 00 Exterior Insulation and Finish Systems 01-21

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

07 60 00 Flashing and Sheet Metal 01-21

07 84 00 Firestopping 01-21

07 92 00 Joint Sealants 04-22

07 95 13 Expansion Joint Cover Assemblies 01-21

DIVISION 08 - OPENINGS

08 11 13 Hollow Metal Doors and Frames 01-21

08 14 00 Interior Wood Doors 01-21

08 31 13 Access Doors and Frames 01-21

08 34 53 Security Doors and Frames 01-21

08 56 19 Pass Windows 01-21

08 56 59 Service and Teller Window Units 01-21

08 71 00 Door Hardware 01-21

08 71 13 Automatic Door Operators 01-21

08 80 00 Glazing 01-21

08 90 00 Louvers and Vents 01-21

DIVISION 09 – FINISHES

09 05 16 Subsurface Preparation for Floor Finishes 01-21

09 06 00 Schedule for Finishes 01-21

09 22 16 Non-Structural Metal Framing 06-18

09 29 00 Gypsum Board 04-20

09 30 13 Ceramic/Porcelain Tiling 01-21

09 51 00 Acoustical Ceilings 12-18

09 65 13 Resilient Base and Accessories 01-21

09 65 16 Resilient Sheet Flooring 06-22

09 65 19 Resilient Tile Flooring 05-18

09 68 00 Carpeting 01-21

09 91 00 Painting 01-21

DIVISION 10 – SPECIALTIES

10 14 00 Signage 01-21

10 21 23 Cubicle Curtain Tracks 01-21

10 26 00 Wall and Door Protection 01-21

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

Robert J. Dole VAMC

100% Bid Set

01-01-21

00 01 10-3

TABLE OF CONTENTS

SECTION NO. DIVISION AND SECTION TITLES DATE

10 44 13 Fire Extinguisher Cabinets 08-18

DIVISION 11 – EQUIPMENT

11 41 21 Walk-In Coolers and Freezers 01-21

11 73 00 Ceiling Mounted Patient Lift System 08-20

DIVISION 12 – FURNISHINGS

12 32 00 Manufactured Wood Casework 01-21

12 36 00 Countertops 12-18

DIVISION 13 - SPECIAL CONSTRUCTION

13 05 41 Seismic Restraint Requirements for Non-Structural

Components

01-21

13 49 00 Radiation Protection 01-21

DIVISION 14– CONVEYING EQUIPEMENT – NOT USED

DIVISION 21- FIRE SUPPRESSION

21 13 13 Wet-Pipe Sprinkler Systems 06-15

DIVISION 22 – PLUMBING

22 05 11 Common Work Results for Plumbing 09-20

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

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

22 07 11 Plumbing Insulation 09-19

22 08 00 Commissioning of Plumbing Systems 11-16

22 11 00 Facility Water Distribution 11-19

22 13 00 Facility Sanitary and Vent Piping 09-20

22 14 00 Facility Storm Drainage 09-15

22 14 36 Packaged, Submersible, Drainage Pump Units 09-15

22 40 00 Plumbing Fixtures 09-15

22 61 13.74 Dental Compressed-Air Piping 09-20

22 61 19.74 Dental Compressed-Air Equipment 09-20

22 62 00 Vacuum Systems for Laboratory and Healthcare Facilities 09-15

22 62 19.74 Dental Vacuum and Evacuation Equipment 09-15

22 63 00 Gas Systems for Laboratory and Healthcare Facilities 09-15

DIVISION 23 – HEATING, VENTILATING, AND AIR

CONDITIONING (HVAC)

23 05 11 Common Work Results for HVAC 02-20

23 05 12 General Motor Requirements for HVAC and Steam

Generation Equipment

02-20

23 05 41 Noise and Vibration Control for HVAC Piping and

Equipment

02-20

Robert J. Dole VAMC

100% Bid Set

01-01-21

00 01 10-4

TABLE OF CONTENTS

SECTION NO. DIVISION AND SECTION TITLES DATE

23 05 93 Testing, Adjusting, and Balancing for HVAC 02-20

23 07 11 HVAC and Boiler Plant Insulation 02-20

23 08 00 Commissioning of HVAC Systems 02-20

23 09 23 Direct-Digital Control System for HVAC 09-11

23 10 00 Facility Fuel Systems 04-20

23 21 13 Hydronic Piping 02-20

23 21 23 Hydronic Pumps 02-20 23 22 13 Steam and Condensate Heating Piping 02-20

23 22 23 Steam Condensate Pumps 04-20

23 23 00 Refrigerant Piping 02-20

23 31 00 HVAC Ducts and Casings 02-20

23 34 00 HVAC Fans 02-20

23 36 00 Air Terminal Units 02-20

23 37 00 Air Outlets and Inlets 02-20

23 38 13 Commercial-Kitchen Hoods 02-20

23 40 00 HVAC Air Cleaning Devices 03-20

23 64 00 Packaged Water Chillers 03-20

23 74 13 Packaged, Outdoor, Central-Station Air-Handling Units 03-20

23 81 00 Decentralized Unitary HVAC Equipment 03-20

23 82 16 Air Coils 03-20

DIVISION 25 – INTEGRATED AUTOMATION – NOT USED

DIVISION 26 – ELECTRICAL

26 05 11 Requirements for Electrical Installations 01-16

26 05 13 Medium-Voltage Cables

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 05 41 Underground Electrical Construction 01-17

26 05 73 Overcurrent Protective Device Coordination Study 01-18

26 08 00 Commissioning of Electrical Systems 11-16

26 09 23 Lighting Controls 01-18

26 12 19 Pad-Mounted, Liquid-Filled, Medium-Voltage Transformers

26 22 00 Low-Voltage Transformers 01-18

26 24 13 Distribution Switchboards 11-22

26 24 16 Panelboards 01-18

26 27 26 Wiring Devices 01-18

26 29 11 Motor Controllers 01-18

26 29 21 Enclosed Switches and Circuit Breakers 01-17

26 32 13 Engine Generators 01-18

26 43 13 Surge Protective Devices 01-17

26 51 00 Interior Lighting 01-18

DIVISION 27 – COMMUNICATIONS

27 05 11 Requirements for Communications Installations 09-19

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

Robert J. Dole VAMC

100% Bid Set

01-01-21

00 01 10-5

TABLE OF CONTENTS

SECTION NO. DIVISION AND SECTION TITLES DATE

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

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

27 41 31 Master Antenna Television Equipment and Systems

27 51 16 Public Address and Mass Notification Systems 10-18

27 51 23 Intercommunications and Program Systems 06-15

27 52 23 Nurse Call and Code Blue Systems 10-18

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

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

28 05 13 Conductors and Cables for Electronic Safety and

Security

10-18

28 05 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 23 00 Video Surveillance 09-11

28 26 00 Electronic Personal Protection System 09-11

28 31 00 Fire Detection and Alarm 10-11

DIVISION 31 – EARTHWORK

31 20 11 Earthwork (Short Form) 10-12

DIVISION 32 – EXTERIOR IMPROVEMENTS – NOT USED

DIVISION 33 – UTILITIES – NOT USED

DIVISION 34 – TRANSPORTATION – NOT USED

DIVISION 48 – Electrical Power Generation – NOT USED

Construct Infill of Building 26 and Renovate Specialty Care Clinics

Robert J. Dole VAMC

100% Bid Set

11-01-20

23 31 00 - 1

HVAC DUCTS AND CASINGS

SECTION 23 31 00

HVAC DUCTS AND CASINGS

PART 1 - GENERAL

1.1 DESCRIPTION

A. Ductwork and accessories for HVAC including the following:

1. Supply air, return air, outside air, exhaust, make-up air, and relief systems.

2. Exhaust duct for chemical fume hoods, kitchen hood exhaust (grease) and “wet exhaust” ducts.

B. Definitions:

1. SMACNA Standards as used in this specification means the HVAC Duct

Construction Standards, Metal and Flexible.

2. Seal or Sealing: Use of liquid or mastic sealant, with or without compatible tape overlay, or gasketing of flanged joints, to keep air leakage at duct joints, seams and connections to an acceptable minimum.

3. Duct Pressure Classification: SMACNA HVAC Duct Construction

Standards, Metal and Flexible.

4. Exposed Duct: Exposed to view in a finished room, exposed to weather.

1.2 RELATED WORK

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

B. Section 07 84 00, FIRESTOPPING: Fire Stopping Material.

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

COMPONENTS: Seismic Reinforcing.

D. Section 23 05 11, COMMON WORK RESULTS FOR HVAC: General Mechanical

Requirements.

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

EQUIPMENTNoise Level Requirements.

F. Section 23 05 93, TESTING, ADJUSTING, and BALANCING FOR HVAC: Testing and Balancing of Air Flows.

G. Section 23 07 11, HVAC, and BOILER PLANT INSULATION: Duct Insulation.

H. Section 23 09 23, DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC: Duct Mounted

Instrumentation.

I. Section 23 34 00, HVAC FANS: Return Air and Exhaust Air Fans.

Robert J. Dole VAMC

23 31 00 - 2

J. Section 23 36 00, AIR TERMINAL UNITS: Air Flow Control Valves and

Terminal Units.

K. Section 23 38 13, COMMERCIAL-KITCHEN HOODS.

L. Section 23 40 00, HVAC AIR CLEANING DEVICES: Air Filters and Filters'

Efficiencies.

M. Section 23 82 16, AIR COILS.

N. Section 28 31 00, FIRE DETECTION and ALARM

1.3 QUALITY ASSURANCE

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

RESULTS FOR HVAC.

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

C. Duct System Construction and Installation: Referenced SMACNA Standards are the minimum acceptable quality.

D. Duct Sealing, Air Leakage Criteria, and Air Leakage Tests: Ducts shall be sealed as per duct sealing requirements of SMACNA HVAC Air Duct

Leakage Test Manual for duct pressure classes shown on the drawings.

E. Duct accessories exposed to the air stream, such as dampers of all types (except smoke dampers) and access openings, shall be of the same material as the duct or provide at least the same level of corrosion resistance.

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. Rectangular ducts:

a. Schedules of duct systems, materials and selected SMACNA construction alternatives for joints, sealing, gage and reinforcement.

b. Duct liner.

c. Sealants and gaskets.

d. Access doors.

2. Round and flat oval duct construction details:

a. Manufacturer's details for duct fittings.

b. Duct liner.

c. Sealants and gaskets.

Robert J. Dole VAMC

23 31 00 - 3

d. Access sections.

e. Installation instructions.

3. Volume dampers, back draft dampers.

4. Upper hanger attachments.

5. Fire dampers, fire doors, and smoke dampers with installation instructions.

6. Sound attenuators, including pressure drop and acoustic performance.

7. Flexible ducts and clamps, with manufacturer's installation instructions.

8. Flexible connections.

9. Instrument test fittings.

10 Details and design analysis of alternate or optional duct systems.

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. American Society of Civil Engineers (ASCE):

ASCE7-2017..............Minimum Design Loads for Buildings and Other

Structures

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

A167-2009...............Standard Specification for Stainless and

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

A653-2020...............Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy coated (Galvannealed) by the Hot-Dip process

A1011-2018..............Standard Specification for Steel, Sheet and

Strip, Hot rolled, Carbon, structural, High-

Strength Low-Alloy, High Strength Low-Alloy with Improved Formability, and Ultra-High

Strength

B209-2021...............Standard Specification for Aluminum and

Aluminum-Alloy Sheet and Plate

Robert J. Dole VAMC

23 31 00 - 4

C1071-2019..............Standard Specification for Fibrous Glass Duct

Lining Insulation (Thermal and Sound Absorbing

Material)

E84-2021a...............Standard Test Method for Surface Burning

Characteristics of Building Materials

D. National Fire Protection Association (NFPA):

90A-2021................Standard for the Installation of Air

Conditioning and Ventilating Systems

96-2021.................Standard for Ventilation Control and Fire

Protection of Commercial Cooking Operations

E. Sheet Metal and Air Conditioning Contractors National Association

(SMACNA):

3rd Edition –2006.......HVAC Duct Construction Standards, Metal and

Flexible

2nd Edition -2012.......HVAC Air Duct Leakage Test Manual

6th Edition –2016.......Fibrous Glass Duct Construction Standards

F. Underwriters Laboratories, Inc. (UL):

181-2013................Factory-Made Air Ducts and Air Connectors

555-2006 ...............Standard for Fire Dampers

555S-2014...............Standard for Smoke Dampers

PART 2 - PRODUCTS

2.1 DUCT MATERIALS AND SEALANTS

A. General: Except for systems specified otherwise, construct ducts, casings, and accessories of galvanized sheet steel, ASTM A653, coating

G90; or, aluminum sheet, ASTM B209, alloy 1100, 3003 or 5052.

B. Specified Corrosion Resistant Systems: Stainless steel sheet, ASTM

A167, Class 302 or 304, Condition A (annealed) Finish No. 4 for exposed ducts and Finish No. 2B for concealed duct or ducts located in mechanical rooms.

C. Optional Duct Materials:

1. Grease Duct: Double wall factory-built grease duct, UL labeled and complying with NFPA 96 may be furnished in lieu of specified materials for kitchen and grill hood exhaust duct. Installation and accessories shall comply with the manufacturers catalog data. Outer jacket of exposed ductwork shall be stainless steel. Square and

Robert J. Dole VAMC

23 31 00 - 5 rectangular duct shown on the drawings will have to be converted to equivalent round size.

D. Joint Sealing: Refer to SMACNA HVAC Duct Construction Standards.

1. Sealant: Elastomeric compound, gun or brush grade, maximum 25 flame spread, and 50 smoke developed (dry state) compounded specifically for sealing ductwork as recommended by the manufacturer. Generally, provide liquid sealant, with or without compatible tape, for low clearance slip joints and heavy, permanently elastic, mastic type where clearances are larger. Oil base caulking and glazing compounds are not acceptable because they do not retain elasticity and bond.

2. Tape: Use only tape specifically designated by the sealant manufacturer and apply only over wet sealant. Pressure sensitive tape shall not be used on bare metal or on dry sealant.

3. Gaskets in Flanged Joints: Soft neoprene.

E. Approved factory-made joints may be used.

2.2 DUCT CONSTRUCTION AND INSTALLATION

A. Regardless of the pressure classifications outlined in the SMACNA

Standards, fabricate and seal the ductwork in accordance with the following pressure classifications:

B. Duct Pressure Classification:

0 to 50 mm (2 inch)

> 50 mm to 75 mm (2 inch to 3 inch)

> 75 mm to 100 mm (3 inch to 4 inch)

Show pressure classifications on the floor plans.

C. Seal Class: All ductwork shall receive Class A Seal

D. Wet Air Exhaust Ducts and Accessories: Ducts for dishwashers, scullery hood, cart washers, manual cart washers, cage washers, steam sterilizer hoods and orthotics hoods shall be 1.3 mm (18 gage) stainless steel made liquid tight with continuous external weld for all seams and joints. Provide neoprene gaskets at flanged connections. Where ducts are not self draining back to the equipment, provide low point drain pocket with copper drain pipe to sanitary sewer. Provide access door in side of duct at drain pockets.

E. Kitchen and Grill Hood (Ventilator) Exhaust Ducts: Comply with NFPA 96.

Robert J. Dole VAMC

23 31 00 - 6

1. Material: 1.6 mm (16 gage) steel sheet (black iron), ASTM A1011, or

1.3 mm (18 gage) stainless steel. Use stainless steel for exposed duct in occupied areas. See Optional Duct Materials.

2. Construction: Liquid tight with continuous external weld for all seams and joints. Where ducts are not self draining back to the equipment, provide low point drain pocket with copper drain pipe to sanitary sewer. Provide access doors or panels for duct cleaning inside of horizontal duct at drain pockets, at 6 m (20 feet) intervals, and at each change of direction.

3. Access doors or panels shall be of the same material and thickness of the duct with gaskets and sealants that are rated 815 degrees C

(1500 degrees F) and shall be grease-tight.

4. Grease Duct: Double-wall factory-built grease duct, UL labeled and complying with NFPA 96 may be furnished in lieu of specified materials for kitchen and grill hood exhaust. Installation and accessories shall comply with the manufacturers catalog data. Outer jacket of exposed ductwork shall be stainless steel. Square and rectangular duct shown in the drawings will have to be converted to equivalent round size.

F. Round and Flat Oval Ducts: Furnish duct and fittings made by the same manufacturer to insure good fit of slip joints. When submitted and approved in advance, round and flat oval duct, with size converted on the basis of equal pressure drop, may be furnished in lieu of rectangular duct design shown on the drawings.

1. Elbows: Diameters 80 through 200 mm (3 through 8 inches) shall be two sections die stamped, all others shall be gored construction, maximum 18 degree angle, with all seams continuously welded or standing seam. Coat galvanized areas of fittings damaged by welding with corrosion resistant aluminum paint or galvanized repair compound.

2. Provide bell mouth, conical tees or taps, laterals, reducers, and other low loss fittings as shown in SMACNA HVAC Duct Construction

Standards.

3. Ribbed Duct Option: Lighter gage round/oval duct and fittings may be furnished provided certified tests indicating that the rigidity and

Robert J. Dole VAMC

23 31 00 - 7 performance is equivalent to SMACNA standard gage ducts are submitted.

a. Ducts: Manufacturer's published standard gage, G90 coating, spiral lock seam construction with an intermediate standing rib.

b. Fittings: May be manufacturer's standard as shown in published catalogs, fabricated by spot welding and bonding with neoprene base cement or machine formed seam in lieu of continuous welded seams.

4. Provide flat side reinforcement of oval ducts as recommended by the manufacturer and SMACNA HVAC Duct Construction Standard S3.13.

Because of high pressure loss, do not use internal tie-rod reinforcement unless approved by the Resident Engineer.

G. VA Type A and B Canopy Hoods, Reagent Grade Water Treatment Room and

Battery Charging Room Exhausts: Constructed of 1.3 mm (18 gage) stainless steel.

H. Casings and Plenums: Construct in accordance with SMACNA HVAC Duct

Construction Standards Section 6, including curbs, access doors, pipe penetrations, eliminators and drain pans. Access doors shall be hollow metal, insulated, with latches and door pulls, 500 mm (20 inches) wide by 1200 - 1350 mm (48 - 54 inches) high. Provide view port in the doors where shown. Provide drain for outside air louver plenum. Outside air plenum shall have exterior insulation. Drain piping shall be routed to the nearest floor drain.

I. Volume Dampers: Single blade or opposed blade, multi-louver type as detailed in SMACNA Standards. Refer to SMACNA for Single Blade and

Figure 2.13 for Multi-blade Volume Dampers.

J. Duct Hangers and Supports: Refer to SMACNA Standards Section IV. Avoid use of trapeze hangers for round duct.

2.3 DUCT ACCESS DOORS, PANELS AND SECTIONS

A. Provide access doors, sized and located for maintenance work, upstream, in the following locations:

1. Each duct mounted coil and humidifier.

2. Each fire damper (for link service), smoke damper and automatic control damper.

3. Each duct mounted smoke detector.

Robert J. Dole VAMC

23 31 00 - 8

B. Openings shall be as large as feasible in small ducts, 300 mm by 300 mm

(12 inch by 12 inch) minimum where possible. Access sections in insulated ducts shall be double-wall, insulated. Transparent shatterproof covers are preferred for uninsulated ducts.

1. For rectangular ducts: Refer to SMACNA HVAC Duct Construction

Standards (Figure 2-12).

2. For round and flat oval duct: Refer to SMACNA HVAC duct Construction

Standards (Figure 2-11).

2.4 FIRE DAMPERS

A. Galvanized steel, interlocking blade type, UL listing and label, 1-1/2-hour rating, 70 degrees C (160 degrees F) fusible line, 100 percent free opening with no part of the blade stack or damper frame in the air stream.

B. Fire dampers in wet air exhaust shall be of stainless-steel construction, all others may be galvanized steel.

C. Minimum requirements for fire dampers:

1. The damper frame may be of design and length as to function as the mounting sleeve, thus eliminating the need for a separate sleeve, as allowed by UL 555. Otherwise provide sleeves and mounting angles, minimum 1.9 mm (14 gage), required to provide installation equivalent to the damper manufacturer's UL test installation.

2. Submit manufacturer's installation instructions conforming to UL rating test.

2.5 SMOKE DAMPERS

A. Maximum air velocity, through free area of open damper, and pressure loss: Low pressure and medium pressure duct (supply, return, exhaust, outside air): 450 m/min (1500 fpm). Maximum static pressure loss: 32 Pa

(0.13 inch W.G.).

B. Maximum air leakage, closed damper: 0.32 cubic meters /min/square meter

(4.0 CFM per square foot) at 750 Pa (3-inch W.G.) differential pressure.

C. Minimum requirements for dampers:

1. Shall comply with requirements of Table 6-1 of UL 555S, except for the Fire Endurance and Hose Stream Test.

Robert J. Dole VAMC

23 31 00 - 9

2. Frame: Galvanized steel channel with side, top and bottom stops or seals.

3. Blades: Galvanized steel, parallel type preferably, 300 mm (12 inch) maximum width, edges sealed with neoprene, rubber or felt, if required to meet minimum leakage. Airfoil (streamlined) type for minimum noise generation and pressure drop are preferred for duct mounted dampers.

4. Shafts: Galvanized steel.

5. Bearings: Nylon, bronze sleeve or ball type.

6. Hardware: Zinc plated.

7. Operation: Automatic open/close. No smoke damper that requires manual reset or link replacement after actuation is acceptable. See drawings for required control operation.

D. Motor operator (actuator): Provide pneumatic or electric as required by the automatic control system, externally mounted on stand-offs to allow complete insulation coverage.

2.6 COMBINATION FIRE AND SMOKE DAMPERS

Combination fire and smoke dampers: Multi-blade type units meeting all requirements of both fire dampers and smoke dampers shall be used where shown and may be used at the Contractor's option where applicable.

2.7 FIRE DOORS

Galvanized steel, interlocking blade type, UL listing and label, 71 degrees C (160 degrees F) fusible link, 3-hour rating and approved for openings in Class A fire walls with rating up to 4 hours, 100 percent free opening with no part of the blade stack or damper frame in the air stream.

2.8 FLEXIBLE AIR DUCT

A. General: Factory fabricated, complying with NFPA 90A for connectors not passing through floors of buildings. Flexible ducts shall not penetrate any fire or smoke barrier which is required to have a fire resistance rating of one hour or more. Flexible duct length shall not exceed 1.5 m

(5 feet). Provide insulated acoustical air duct connectors in supply air duct systems and elsewhere as shown.

B. Flexible ducts shall be listed by Underwriters Laboratories, Inc., complying with UL 181. Ducts larger than 200 mm (8 inches) in diameter

Robert J. Dole VAMC

23 31 00 - 10 shall be Class 1. Ducts 200 mm (8 inches) in diameter and smaller may be Class 1 or Class 2.

C. Insulated Flexible Air Duct: Factory made including mineral fiber insulation with maximum C factor of 0.25 at 24 degrees C (75 degrees F) mean temperature, encased with a low permeability moisture barrier outer jacket, having a puncture resistance of not less than 50 Beach

Units. Acoustic insertion loss shall not be less than 3 dB per 300 mm

(foot) of straight duct, at 500 Hz, based on 150 mm (6 inch) duct, of

750 m/min (2500 fpm).

D. Application Criteria:

1. Temperature range: -18 to 93 degrees C (0 to 200 degrees F) internal.

2. Maximum working velocity: 1200 m/min (4000 feet per minute).

3. Minimum working pressure, inches of water gage: 2500 Pa (10 inches) positive, 500 Pa (2 inches) negative.

E. Duct Clamps: 100 percent nylon strap, 80 kg (175 pounds) minimum loop tensile strength manufactured for this purpose or stainless-steel strap with cadmium plated worm gear tightening device. Apply clamps with sealant and as approved for UL 181, Class 1 installation.

2.9 FLEXIBLE DUCT CONNECTIONS

Where duct connections are made to fans, air terminal units, and air handling units, install a non-combustible flexible connection of 822 g

(29 ounce) neoprene coated fiberglass fabric approximately 150 mm (6 inches) wide. For connections exposed to sun and weather provide hypalon coating in lieu of neoprene. Burning characteristics shall conform to NFPA 90A. Securely fasten flexible connections to round ducts with stainless steel or zinc-coated iron draw bands with worm gear fastener. For rectangular connections, crimp fabric to sheet metal and fasten sheet metal to ducts by screws 50 mm (2 inches) on center.

Fabric shall not be stressed other than by air pressure. Allow at least

25 mm (one inch) slack to ensure that no vibration is transmitted.

2.10 SOUND ATTENUATING UNITS

A. Casing, not less than 1.0 mm (20 gage) galvanized sheet steel, or 1.3 mm (18 gage) aluminum fitted with suitable flanges to make clean airtight connections to ductwork. Sound-absorbent material faced with

Robert J. Dole VAMC

23 31 00 - 11 glass fiber cloth and covered with not less than 0,6 mm (24 gage) or heavier galvanized perforated sheet steel, or 0.85 mm (22 gage) or heavier perforated aluminum. Perforations shall not exceed 4 mm

(5/32-inch) diameter, approximately 25 percent free area. Sound absorbent material shall be long glass fiber acoustic blanket meeting requirements of NFPA 90A.

B. Entire unit shall be completely air tight and free of vibration and buckling at internal static pressures up to 2000 Pa (8 inches W.G.) at operating velocities.

C. Pressure drop through each unit: Not to exceed indicated value at design air quantities indicated.

D. Submit complete independent laboratory test data showing pressure drop and acoustical performance.

E. Cap open ends of attenuators at factory with plastic, heavy duty paper, cardboard, or other appropriate material to prevent entrance of dirt, water, or any other foreign matter to inside of attenuator. Caps shall not be removed until attenuator is installed in duct system.

2.11 PREFABRICATED ROOF CURBS

Galvanized steel or extruded aluminum 300 mm (12 inches) above finish roof service, continuous welded corner seams, treated wood nailer, 40 mm (1-1/2 inch) thick, 48 kg/cubic meter (3 pound/cubic feet) density rigid mineral fiberboard insulation with metal liner, built-in can’t strip (except for gypsum or tectum decks). For surface insulated roof deck, provide raised cant strip (recessed mounting flange) to start at the upper surface of the insulation. Curbs shall be constructed for pitched roof or ridge mounting as required to keep top of curb level.

2.12 FIRESTOPPING MATERIAL

Refer to Section 07 84 00, FIRESTOPPING.

2.13 SEISMIC RESTRAINT FOR DUCTWORK

Refer to Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-

STRUCTURAL COMPONENTS.

2.14 DUCT MOUNTED THERMOMETER (AIR)

A. Stem Type Thermometers: ASTM E1, 7-inch scale, red appearing mercury, lens front tube, cast aluminum case with enamel finish and clear glass

Robert J. Dole VAMC

23 31 00 - 12 or polycarbonate window, brass stem, 2 percent of scale accuracy to

ASTM E77 scale calibrated in degrees Fahrenheit.

B. Thermometer Supports:

1. Socket: Brass separable sockets for thermometer stems with or without extensions as required, and with cap and chain.

2. Flange: 3 inch outside diameter reversible flange, designed to fasten to sheet metal air ducts, with brass perforated stem.

2.15 DUCT MOUNTEDTEMPERATURE SENSOR (AIR)

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

2.16 INSTRUMENT TEST FITTINGS

A. Manufactured type with a minimum 50 mm (two inch) length for insulated duct, and a minimum 25 mm (one inch) length for duct not insulated.

Test hole shall have a flat gasket for rectangular ducts and a concave gasket for round ducts at the base, and a screw cap to prevent air leakage.

B. Provide instrument test holes at each duct or casing mounted temperature sensor or transmitter, and at entering and leaving side of each heating coil, cooling coil, and heat recovery unit.

2.17 LEAD COVERED DUCT

A. Sheet Lead: 3.1 mm (1/8 inch) thick, securely installed, free of waves, lumps or wrinkles and with as few joints as possible.

B. Joints shall be made to obtain X-ray absorption equivalent to adjacent sheet lead and finished smooth and neat.

2.18 ELECTROSTATIC SHIELDING

A. At the point of penetration of shielded rooms ducts shall be made electrically discontinuous by means of a flexible, nonconductive connection outside shielded room.

B. Metallic duct portion inside shielded room shall be electrically bonded to shielding.

PART 3 - EXECUTION

3.1 INSTALLATION

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

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

Robert J. Dole VAMC

23 31 00 - 13

B. Fabricate and install ductwork and accessories in accordance with referenced SMACNA Standards:

1. Drawings show the general layout of ductwork and accessories but do not show all required fittings and offsets that may be necessary to connect ducts to equipment, boxes, diffusers, grilles, etc., and to coordinate with other trades. Fabricate ductwork based on field measurements. Provide all necessary fittings and offsets at no additional cost to the government. Coordinate with other trades for space available and relative location of HVAC equipment and accessories on ceiling grid. Duct sizes on the drawings are inside dimensions which shall be altered by Contractor to other dimensions with the same air handling characteristics where necessary to avoid interferences and clearance difficulties.

2. Provide duct transitions, offsets and connections to dampers, coils, and other equipment in accordance with SMACNA Standards. Provide streamliner, when an obstruction cannot be avoided and must be taken in by a duct. Repair galvanized areas with galvanizing repair compound.

3. Provide bolted construction and tie-rod reinforcement in accordance with SMACNA Standards.

4. Construct casings, eliminators, and pipe penetrations in accordance with SMACNA Standards, Chapter 6. Design casing access doors to swing against air pressure so that pressure helps to maintain a tight seal.

C. Install duct hangers and supports in accordance with SMACNA Standards.

D. Install fire dampers, smoke dampers and combination fire/smoke dampers in accordance with the manufacturer's instructions to conform to the installation used for the rating test. Install fire dampers, smoke dampers and combination fire/smoke dampers at locations indicated and where ducts penetrate fire rated and/or smoke rated walls, shafts and where required by the Resident Engineer. Install with required perimeter mounting angles, sleeves, breakaway duct connections, corrosion resistant springs, bearings, bushings and hinges per UL and

NFPA. Demonstrate re-setting of fire dampers and operation of smoke dampers to the Resident Engineer.

Robert J. Dole VAMC

23 31 00 - 14

E. Seal openings around duct penetrations of floors and fire rated partitions with fire stop material as required by NFPA 90A.

F. Flexible duct installation: Refer to SMACNA Standards, Chapter 3. Ducts shall be continuous, single pieces not over 1.5 m (5 feet) long (NFPA

90A), as straight and short as feasible, adequately supported.

Centerline radius of bends shall be not less than two duct diameters.

Make connections with clamps as recommended by SMACNA. Clamp per SMACNA with one clamp on the core duct and one on the insulation jacket.

Flexible ducts shall not penetrate floors, or any chase or partition designated as a fire or smoke barrier, including corridor partitions fire rated one hour or two hours. Support ducts SMACNA Standards.

G. Where diffusers, registers and grilles cannot be installed to avoid seeing inside the duct, paint the inside of the duct with flat black paint to reduce visibility.

H. Control Damper Installation:

1. Provide necessary blank-off plates required to install dampers that are smaller than duct size. Provide necessary transitions required to install dampers larger than duct size.

2. Assemble multiple sections dampers with required interconnecting linkage and extend required number of shafts through duct for external mounting of damper motors.

3. Provide necessary sheet metal baffle plates to eliminate stratification and provide air volumes specified. Locate baffles by experimentation, and affix and seal permanently in place, only after stratification problem has been eliminated.

4. Install all damper control/adjustment devices on stand-offs to allow complete coverage of insulation.

I. Air Flow Measuring Devices (AFMD): Install units with minimum straight run distances, upstream and downstream as recommended by the manufacturer.

J. Low Pressure Duct Liner: Install in accordance with SMACNA, Duct Liner

Application Standard.

K. Protection and Cleaning: Adequately 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

Robert J. Dole VAMC

23 31 00 - 15 determined by Resident Engineer. Protect equipment and ducts during construction against entry of foreign matter to the inside and clean both inside and outside before operation and painting. When new ducts are connected to existing ductwork, clean both new and existing ductwork by mopping and vacuum cleaning inside and outside before operation.

3.2 DUCT LEAKAGE TESTS AND REPAIR

A. Ductwork leakage testing shall be performed by the Testing and

Balancing Contractor directly contracted by the General Contractor and independent of the Sheet Metal Contractor.

B. Ductwork leakage testing shall be performed for the entire air distribution system (including all supply, return, exhaust and relief ductwork), section by section, including fans, coils and filter sections.

C. Test procedure, apparatus and report shall conform to SMACNA Leakage

Test manual. The maximum leakage rate allowed is 4 percent of the design air flow rate.

D. All ductwork shall be leak tested first before enclosed in a shaft or covered in other inaccessible areas.

E. All tests shall be performed in the presence of the Resident Engineer and the Test and Balance agency. The Test and Balance agency shall measure and record duct leakage and report to the Resident Engineer and identify leakage source with excessive leakage.

F. If any portion of the duct system tested fails to meet the permissible leakage level, the Contractor shall rectify sealing of ductwork to bring it into compliance and shall retest it until acceptable leakage is demonstrated to the Resident Engineer.

G. All tests and necessary repairs shall be completed prior to insulation or concealment of ductwork.

H. Make sure all openings used for testing flow and temperatures by TAB

Contractor are sealed properly.

3.3 DUCTWORK EXPOSED TO WIND VELOCITY

Provide additional support and bracing to all exposed ductwork installed on the roof or outside the building to withstand wind velocity of__145__km/h (_90_mph).

Robert J. Dole VAMC

23 31 00 - 16

3.4 TESTING, ADJUSTING AND BALANCING (TAB)

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

3.5 OPERATING AND PERFORMANCE TESTS

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

- - - E N D - - -

Robert J. Dole VAMC

23 34 00 - 1

HVAC FANS

SECTION 23 34 00

HVAC FANS

PART 1 - GENERAL

1.1 DESCRIPTION

A. Fans for heating, ventilating and air conditioning.

B. Product Definitions: AMCA Publication 99, Standard l-66.

1.2 RELATED WORK

A. Section 01 00 00, GENERAL REQUIREMENTS.

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

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

COMPONENTS.

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

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.

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

H. Section 23 82 16, AIR COILS.

I. Section 26 29 11, LOW-VOLTAGE MOTOR STARTERS.

1.3 QUALITY ASSURANCE

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

RESULTS FOR HVAC.

B. Fans and power ventilators shall be listed in the current edition of

AMCA 26l, and shall bear the AMCA performance seal.

C. Operating Limits for Centrifugal Fans: AMCA 99 (Class I, II, and III).

D. Fans and power ventilators shall comply with the following standards:

l. Testing and Rating: AMCA 2l0.

2. Sound Rating: AMCA 300.

E. Vibration Tolerance for Fans and Power Ventilators: Section 23 05 41, NOISE AND VIBRATION CONTROL FOR HVAC PIPING and EQUIPMENT.

F. Performance Criteria:

l. The fan schedule shall show the design air volume and static pressure. Select the fan motor HP by increasing the fan BHP by 10 percent to account for the drive losses and field conditions.

2. Select the fan operating point as follows:

Robert J. Dole VAMC

23 34 00 - 2

a. Forward Curve and Axial Flow Fans: Right hand side of peak pressure point

b. Air Foil, Backward Inclined, or Tubular: At or near the peak static efficiency

G. Safety Criteria: Provide manufacturer's standard screen on fan inlet and discharge where exposed to operating and maintenance personnel.

H. Corrosion Protection:

1. Except for fans in fume hood exhaust service, all steel shall be mill-galvanized, or phosphatized and coated with minimum two coats, corrosion resistant enamel paint. Manufacturers paint and paint system shall meet the minimum specifications of: ASTM D1735 water fog; ASTM B117 salt spray; ASTM D3359 adhesion; and ASTM G152 and

G153 for carbon arc light apparatus for exposure of non-metallic material.

2. Fans for general purpose fume hoods, or chemical hoods, and radioisotope hoods shall be constructed of materials compatible with the chemicals being transported in the air through the fan.

I. Spark resistant construction: If flammable gas, vapor or combustible dust is present in concentrations above 20% of the Lower Explosive

Limit (LEL), the fan construction shall be as recommended by AMCA's

Classification for Spark Resistant Construction. Drive set shall be comprised of non-static belts for use in an explosive.

1.4 SUBMITTALS

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

DATA, and SAMPLES.

B. Manufacturers Literature and Data:

l. Fan sections, motors and drives.

2. Centrifugal fans, motors, drives, accessories and coatings.

a. In-line centrifugal fans.

b. Tubular Centrifugal Fans.

c. Up-blast kitchen hood exhaust fans.

d. Industrial fans.

e. Utility fans and vent sets.

3. Prefabricated roof curbs.

C. Certified Sound power levels for each fan.

Robert J. Dole VAMC

23 34 00 - 3

D. Motor ratings types, electrical characteristics and accessories.

E. Roof curbs.

F. Belt guards.

G. Maintenance and Operating manuals in accordance with Section 01 00 00, GENERAL REQUIREMENTS.

H. Certified fan performance curves for each fan showing cubic feet per minute (CFM) versus static pressure, efficiency, and horsepower for design point of operation.

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 Movement and Control Association International, Inc. (AMCA):

99-2016.................Standards Handbook

2l0-2016................Laboratory Methods of Testing Fans for

Aerodynamic Performance Rating

26l-2017................Directory of Products Licensed to bear the AMCA

Certified Ratings Seal - Published Annually

300-2014................Reverberant Room Method for Sound Testing of

Fans

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

B117-2019...............Standard Practice for Operating Salt Spray

(Fog) Apparatus

D1735-2014..............Standard Practice for Testing Water Resistance of Coatings Using Water Fog Apparatus

D3359-2017..............Standard Test Methods for Measuring Adhesion by

Tape Test

G152-2021...............Standard Practice for Operating Open Flame

Carbon Arc Light Apparatus for Exposure of Non-

Metallic Materials

G153-2021...............Standard Practice for Operating Enclosed Carbon

Arc Light Apparatus for Exposure of Non-

Metallic Materials

D. National Fire Protection Association (NFPA):

Robert J. Dole VAMC

23 34 00 - 4

NFPA 96-2021............Standard for Ventilation Control and Fire

Protection of Commercial Cooking Operations

E. National Sanitation Foundation (NSF):

37-2017 ................Air Curtains for Entrance Ways in Food and Food

Service Establishments

F. Underwriters Laboratories, Inc. (UL):

181-2013................Factory Made Air Ducts and Air Connectors

1.6 EXTRA MATERIALS

A. Provide one additional set of belts for all belt-driven fans.

PART 2 - PRODUCTS

2.1 FAN SECTION (CABINET FAN)

Refer to specification Section 23 73 00, INDOOR CENTRAL-STATION AIR-

HANDLING UNITS.

2.2 CENTRIFUGAL FANS

A. Standards and Performance Criteria: Refer to Paragraph, QUALITY

ASSURANCE. Record factory vibration test results on the fan or furnish to the Contractor.

B. Fan arrangement, unless noted or approved otherwise:

l. DWDl fans: Arrangement 3.

2. SWSl fans: Arrangement l, 3, 9 or l0, except for fume hood (H7 or

Hl3) exhaust fans Arrangement 3 shall not be acceptable.

C. Construction: Wheel diameters and outlet areas shall be in accordance with AMCA standards.

l. Housing: Low carbon steel, arc welded throughout, braced and supported by structural channel or angle iron to prevent vibration or pulsation, flanged outlet, inlet fully streamlined. Provide lifting clips, and casing drain. Provide manufacturer's standard access door. Provide 12.5 mm (1/2 inches) wire mesh screens for fan inlets without duct connections.

2. Wheel: Steel plate with die formed blades welded or riveted in place, factory balanced statically and dynamically.

3. Shaft: Designed to operate at no more than 70 percent of the first critical speed at the top of the speed range of the fans class.

4. Bearings: Heavy duty ball or roller type sized to produce a Bl0 life of not less than 50,000 hours, and an average fatigue life of

Robert J. Dole VAMC

23 34 00 - 5

200,000 hours. Extend filled lubrication tubes for interior bearings or ducted units to outside of housing.

5. Belts: Oil resistant, non-sparking and non-static.

6. Belt Drives: Factory installed with final alignment belt adjustment made after installation.

7. Motors and Fan Wheel Pulleys: Adjustable pitch for use with motors through 15HP, fixed pitch for use with motors larger than 15HP.

Select pulleys so that pitch adjustment is at the middle of the adjustment range at fan design conditions.

8. Motor, adjustable motor base, drive and guard: Furnish from factory with fan. Refer to Section 23 05 11, COMMON WORK RESULTS FOR HVAC for specifications. Provide protective sheet metal enclosure for fans located outdoors.

9. Furnish variable speed fan motor controllers where shown on the drawings. Refer to Section 26 29 11, MOTOR STARTERS. Refer to

Section 23 05 11, COMMON WORK RESULTS FOR HVAC for controller/motor combination requirements.

D. In-line Centrifugal Fans: In addition to the requirements of paragraphs

A and 2.2.C3 thru 2.2.C9, provide minimum 18 Gauge galvanized steel housing with inlet and outlet flanges, backward inclined aluminum centrifugal fan wheel, bolted access door and supports as required.

Motors shall be factory pre-wired to an external junction box.

E. Tubular Centrifugal Fans: In addition to the requirements of paragraphs

A and 2.2.C2 thru 2.2.C9 provide;

1. Housings: Hot rolled steel, one-piece design, incorporating integral guide vanes, motor mounts, bolted access hatch and end flanges.

Provide spun inlet bell and screen for unducted inlet and screen for unducted outlet. Provide welded steel, flanged inlet and outlet cones for ducted connection. Provide mounting legs or suspension brackets as required for support. Guide vanes shall straighten the discharge air pattern to provide linear flow.

F. Industrial Fans: Use where scheduled or in lieu of centrifugal fans for low volume high static service. Construction specifications paragraphs

A and C for centrifugal fans shall apply. Provide material handling flat blade type fan wheel.

Robert J. Dole VAMC

23 34 00 - 6

G. Utility Fans, Vent Sets and Small Capacity Fans: Class l design, arc welded housing, spun intake cone. Applicable construction specification, paragraphs A and C, for centrifugal fans shall apply for wheel diameters 300 mm (l2 inches) and larger. Requirement for AMCA seal is waived for wheel diameters less than 300 mm (l2 inches) and housings may be cast iron.

H. Spark Resistant/Explosion Proof Fans: If flammable gas, vapor or combustible dust is present in concentrations above 20% of the Lower

Explosive Limit (LEL), provide AMCA construction option: A, B or C as indicated. Drive set shall be comprised of non-static belts for use in an explosive atmosphere. Motor shall be explosion proof type if located in air stream.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install fan, motor and drive in accordance with manufacturer's instructions.

B. Align fan and motor sheaves to allow belts to run true and straight.

C. Bolt equipment to curbs with galvanized lag bolts.

D. Install vibration control devices as shown on drawings and specified in

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

EQUIPMENT.

3.2 PRE-OPERATION MAINTENANCE

A. Lubricate bearings, pulleys, belts and other moving parts with manufacturer recommended lubricants.

B. Rotate impeller by hand and check for shifting during shipment and check all bolts, collars, and other parts for tightness.

C. Clean fan interiors to remove foreign material and construction dirt and dust.

3.3 START-UP AND INSTRUCTIONS

A. Verify operation of motor, drive system and fan wheel according to the drawings and specifications.

B. Check vibration and correct as necessary for air balance work.

C. After air balancing is complete and permanent sheaves are in place perform necessary field mechanical balancing to meet vibration

Robert J. Dole VAMC

23 34 00 - 7 tolerance in Section 23 05 41, NOISE and VIBRATION CONTROL FOR HVAC

PIPING and EQUIPMENT.

Robert J. Dole VAMC

23 36 00 - 1

AIR TERMINAL UNITS

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.

C. Section 23 05 11, COMMON WORK RESULTS FOR HVAC.

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

EQUIPMENT.

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

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

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

H. Section 23 82 16, AIR COILS.

1.3 QUALITY ASSURANCE

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

RESULTS FOR.

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.

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 Article, QUALITY ASSURANCE.

2. Compliance with specified standards.

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

Robert J. Dole VAMC

23 36 00 - 2

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):

880-2017................Performance Rating of Air Terminals

C. National Fire Protection Association (NFPA):

90A-2021................Standard for the Installation of Air

Conditioning and Ventilating Systems

D. Underwriters Laboratories, Inc. (UL):

181-2013................Standard for Factory-Made Air Ducts and Air

Connectors

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

C 665-2017..............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. All Air-Handling Units: Provide aluminum fins and copper coils for all hot water reheat coils.

2. Water Heating Coils:

a. ARI certified, continuous plate or spiral fin type, leak tested at…