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CONST DOM CLINIC & CLC ADMIN PROJ 613-121 Federal contract opportunity
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36C24518B0233
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Department of Veterans Affairs Veterans Health Administration Veterans Integrated Service Network 5

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Construct Dom Clinic and CLC Admin Addition

VAMC Martinsburg, WV June 27, 2018

Bid Documents Specifications

Volume II

Project Number: 613-121

Construct Dom Clinic and CLC Admin Addition

VAMC Martinsburg, West Virginia 03-01-17

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 11-15

01 08 14 Risk of TB to Contracted Construction Workers xx-15

01 32 16.15 Project Schedules (Small Projects – Design/Bid/Build 04-13

01 33 23 Shop Drawings, Product Data, and Samples 02-17

01 35 26.1 Safety Requirements 02-17

01 35 26.2 Safety Requirements Attachment 12-14

01 42 19 Reference Standards 05-16

01 45 29 Testing Laboratory Services 06-16

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 09-15

01 91 00 General Commissioning Requirements 10-15

DIVISION 02 – EXISTING CONDITIONS

02 82 11 Traditional Asbestos Abatement 09-15

DIVISION 03 – CONCRETE

03 30 00 Cast-in-Place Concrete 12-15

DIVISION 04 – MASONRY

04 05 13 Masonry Mortaring 02-16

04 20 00 Unit Masonry 02-16

DIVISION 05 – METALS

05 12 00 Structural Steel Framing 02-16

05 21 00 Steel Joist Framing 03-10

05 31 00 Steel Decking 02-16

05 40 00 Cold-Formed Metal Framing 05-16

05 50 00 Metal Fabrications 07-14

DIVISION 06 – WOOD,PLASTICS AND COMPOSITES

06 10 00 Rough Carpentry 10-15

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 08 00 Facility Exterior Closure Commissioning 11-16

07 11 13 Bituminous Dampproofing 02-16

07 21 13 Thermal Insulation 02-16

07 22 00 Roof and Deck Insulation 02-16

07 24 00 Exterior Insulation and Finish Systems 02-16

00 01 10-2

07 27 26 Fluid-Applied Membrane Air Barrier, Vapor Permeable 02-16

07 31 13 Asphalt Shingles 02-16

07 54 23 Thermoplastic Polyolefin (TPO) Roofing 08-16

07 60 00 Flashing and Sheet Metal 07-14

07 72 00 Roof Accessories 10-15

07 84 00 Firestopping 02-16

07 92 00 Joint Sealants 10-15

07 95 13 Expansion Joint Cover Assemblies 02-16

DIVISION 08 - OPENINGS

08 11 13 Hollow Metal Doors and Frames 08-16

08 14 00 Interior Wood Doors 02-16

08 31 13 Access Doors and Frames 02-16

08 33 00 Coiling Doors and Grilles 02-16

08 41 13 Aluminum-Framed Entrances and Storefronts 08-16

08 56 53 Blast Resistant Windows 02-16

08 62 23 Tubular Daylighting Devices

08 63 00 Metal-Framed Skylights 10-15

08 71 00 Door Hardware 01-16

08 71 13 Automatic Door Operators 02-16

08 80 00 Glazing 10-15

08 90 00 Louvers and Vents 05-15

DIVISION 09 – FINISHES

09 05 16 Subsurface Preparation for Floor Finishes 02-15

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 91 00 Painting 01-16

DIVISION 10 – SPECIALTIES

10 14 00 Signage 10-15

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

DIVISION 12 – FURNISHINGS

12 24 00 Window Shades 09-15

12 32 00 Manufactured Wood Casework 09-15

12 36 00 Countertops 12-15

DIVISION 14– CONVEYING EQUIPEMENT

14 42 00 Wheelchair Lift

DIVISION 21- FIRE SUPPRESSION

21 08 00 Commissioning of Fire Suppression System 11-16

21 13 13 Wet-Pipe Sprinkler Systems 06-15

00 01 10-3

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 14 00 Facility Storm Drainage 09-15

22 33 00 Electric Domestic Water Heaters 09-15

22 40 00 Plumbing Fixtures 09-15

DIVISION 23 – HEATING, VENTILATING, AND AIR

CONDITIONING (HVAC)

23 05 11 Common Work Results for HVAC 02-15

23 05 12 General Motor Requirements for HVAC and Steam

Generation Equipment

11-10

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 09-12

23 21 23 Hydronic Pumps 02-15

23 23 00 Refrigerant Piping 02-15

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 81 00 Decentralized Unitary HVAC Equipment 02-11

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 05-14

26 05 73 Overcurrent Protective Device Coordination Study 12-15

26 08 00 Commissioning of Electrical Systems 11-16

26 09 23 Lighting Controls 05-14

26 22 00 Low-Voltage Transformers 12-15

26 24 16 Panelboards 05-14

26 27 26 Wiring Devices 01-16

26 29 11 Motor Controllers 08-14

26 41 00 Facility Lightning Protection 01-17

26 43 13 Surge Protective Devices 01-17

26 51 00 Interior Lighting 08-14

26 56 00 Exterior Lighting 05-14

DIVISION 27 – COMMUNICATIONS

27 05 11 Requirements for Communications Installations 06-15

00 01 10-4

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 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

DIVISION 31 – EARTHWORK

31 20 00 Earthwork 07-16

31 23 23.33 Flowable Fill 07-16

DIVISION 32 – EXTERIOR IMPROVEMENTS

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

32 12 16 Asphalt Paving

32 17 23 Pavement Markings 08-16

32 31 40 Gates 08-16

32 90 00 Planting 08-16

DIVISION 33 – UTILITIES

33 10 00 Water Utilities 03-17

33 30 00 Sanitary Sewer Utilities 06-13

33 40 00 Storm Sewer Utilities 10-11

Appendix #1 Geotechnical Exploration Report 1

Appendix #2 Geotechnical Exploration Report 2

Construct Dom Clinic and CLC Admin Addition 09-01-15 VAMC Martinsburg, West Virginia

22 05 23 - 1

SECTION 22 05 23

GENERAL-DUTY VALVES FOR PLUMBING PIPING

PART 1 - GENERAL

1.1 DESCRIPTION

A. This section describes the requirements for general-duty valves for domestic water and sewer systems.

B. A complete listing of all acronyms and abbreviations are included in

Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING.

1.2 RELATED WORK

A. Section 01 00 00, GENERAL REQUIREMENTS.

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

C. Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS.

D. Section 01 91 00, GENERAL COMMISSIONING REQUIREMENTS.

E. Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING.

F. Section 22 08 00, COMMISSIONING OF PLUMBING SYSTEMS.

1.3 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 Sanitary Engineering (ASSE):

1001-2017 ..............Performance Requirements for Atmospheric Type

Vacuum Breakers

1013-2011 ..............Performance Requirements for Reduced Pressure

Principle Backflow Preventers and Reduced

Pressure Principle Fire Protection Backflow

Preventers

1015-2011 ..............Performance Requirements for Double Check

Backflow Prevention Assemblies and Double Check

Fire Protection Backflow Prevention Assemblies

1017-2009 ..............Performance Requirements for Temperature

Actuated Mixing Valves for Hot Water

Distribution Systems

1070-2015 ..............Performance Requirements for Water Temperature

Limiting Devices

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

A126-2004(R2014) .......Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings

22 05 23 - 2

A276/A276M-2017 ........Standard Specification for Stainless Steel Bars and Shapes

A536-1984(R2014) .......Standard Specification for Ductile Iron

Castings

B62-2017 ...............Standard Specification for Composition Bronze or Ounce Metal Castings

B584-2014 ..............Standard Specification for Copper Alloy Sand

Castings for General Applications

D. International Code Council (ICC):

IPC-2018 ...............International Plumbing Code

E. Manufacturers Standardization Society of the Valve and Fittings

Industry, Inc. (MSS):

SP-25-2013 .............Standard Marking Systems for Valves, Fittings, Flanges, and Unions

SP-71-2011 .............Gray Iron Swing Check Valves, Flanged and

Threaded Ends

SP-80-2013 .............Bronze Gate, Globe, Angle, and Check Valves

SP-110-2010 ............Ball Valves Threaded, Socket-Welding, Solder

Joint, Grooved and Flared Ends

F. National Environmental Balancing Bureau (NEBB):

8th Edition 2015 Procedural Standards for Testing, Adjusting, Balancing of Environmental Systems

G. NSF International (NSF):

61-2016 ................Drinking Water System Components – Health

Effects

372-2016 ...............Drinking Water System Components – Lead Content

H. University of Southern California Foundation for Cross Connection

Control and Hydraulic Research (USC FCCCHR):

10th Edition ...........Manual of Cross-Connection Control

1.4 SUBMITTALS

A. Submittals, including number of required copies, shall be submitted in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and

SAMPLES.

B. Information and material submitted under this section shall be marked

“SUBMITTED UNDER SECTION 22 05 23, GENERAL-DUTY VALVES FOR PLUMBING

PIPING”, with applicable paragraph identification.

C. Manufacturer's Literature and Data Including: Full item description and optional features and accessories. Include dimensions, weights, 22 05 23 - 3 materials, applications, standard compliance, model numbers, size, and capacity.

1. Ball Valves.

2. Balancing Valves.

3. Check Valves.

4. Backflow Preventers.

5. Thermostatic Mixing Valves.

D. Test and Balance reports for balancing valves.

E. Complete operating and maintenance manuals including wiring diagrams, technical data sheets and information for ordering replaceable parts:

1. Include complete list indicating all components of the systems.

2. Include complete diagrams of the internal wiring for each item of equipment.

3. Diagrams shall have their terminals identified to facilitate installation, operation and maintenance.

4. Piping diagrams of thermostatic mixing valves to be installed.

F. Completed System Readiness Checklist provided by the Commissioning

Agent and completed by the Contractor, signed by a qualified technician and dated on the date of completion, in accordance with the requirements of Section 22 08 00, COMMISSIONING OF PLUMBING SYSTEMS.

G. Submit training plans and instructor qualifications in accordance with the requirements of Section 22 08 00, COMMISSIONING OF PLUMBING

SYSTEMS.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Valves shall be prepared for shipping as follows:

1. Protect internal parts against rust and corrosion.

2. Protect threads, flange faces, grooves, and weld ends.

3. Set ball and plug valves open to minimize exposure of functional surfaces.

4. Block check valves in either closed or open position.

B. Valves shall be prepared for storage as follows:

1. Maintain valve end protection.

2. Store valves indoors and maintain at higher than ambient dew point temperature.

C. A sling shall be used for large valves. The sling shall be rigged to avoid damage to exposed parts. Hand wheels or stems shall not be used as lifting or rigging points.

22 05 23 - 4

PART 2 - PRODUCTS

2.1 VALVES, GENERAL

A. Asbestos packing and gaskets are prohibited.

B. Bronze valves shall be made with dezincification resistant materials.

Bronze valves made with copper alloy (brass) containing more than 15 percent zinc shall not be permitted.

C. Valves in insulated piping shall have 50 mm or DN50 (2 inch) stem extensions and extended handles of non-thermal conductive material that allows operating the valve without breaking the vapor seal or disturbing the insulation. Memory stops shall be fully adjustable after insulation is applied.

D. All valves used to supply potable water shall meet the requirements of

NSF 61 and NSF 372.

E. Bio-Based Materials: For products designated by the USDA’s Bio-

Preferred Program, provide products that meet or exceed USDA recommendations for bio-based content, so long as products meet all performance requirements in this specifications section. For more information regarding the product categories covered by the Bio-

Preferred Program, visit http://www.biopreferred.gov.

2.2 SHUT-OFF VALVES

A. Cold, Hot and Re-circulating Hot Water:

1. 50 mm or DN50 (2 inches) and smaller: Ball, MSS SP-110, Ball valve shall be full port three piece or two piece with a union design with adjustable stem package. Threaded stem designs are not allowed. The ball valve shall have a SWP rating of 1035 kPa (150 psig) and a CWP rating of 4138 kPa (600 psig). The body material shall be Bronze

ASTM B584, Alloy C844. The ends shall be non-lead solder.

2.3 BALANCING VALVES

A. Hot Water Re-circulating, 75 mm or DN75 (3 inches) and smaller manual balancing valve shall be of bronze body, brass ball construction with glass and carbon filled TFE seat rings and designed for positive shutoff. The manual balancing valve shall have differential pressure read-out ports across the valve seat area. The read out ports shall be fitting with internal EPT inserts and check valves. The valve body shall have 8 mm or DN8 NPT (1/4 inch NPT) tapped drain and purge port.

The valves shall have memory stops that allow the valve to close for service and then reopened to set point without disturbing the balance http://www.biopreferred.gov/

22 05 23 - 5 position. All valves shall have calibrated nameplates to assure specific valve settings.

2.4 CHECK VALVES

A. 75 mm or DN75 (3 inches) and smaller shall be Class 125, bronze swing check valves with non-metallic disc suitable for type of service. The check valve shall meet MSS SP-80 Type 4 standard. The check valve shall have a CWP rating of 1380 kPa (200 psig). The check valve shall have a

Y pattern horizontal body design with bronze body material conforming to ASTM B62, solder joints, and PTFE or TFE disc.

B. 100 mm or DN100 (4 inches) and larger:

1. Check valves shall be Class 125, iron swing check valve with lever and weight closure control. The check valve shall meet MSS SP-71

Type I standard. The check valve shall have a CWP rating of 1380 kPa

(200 psig). The check valve shall have a clear or full waterway body design with gray iron body material conforming to ASTM A126, bolted bonnet, flanged ends, bronze trim.

2. All check valves on the discharge side of submersible sump pumps shall have factory installed exterior level and weight with sufficient weight to prevent the check valve from hammering against the seat when the sump pump stops.

2.5 BACKFLOW PREVENTERS

A. A backflow prevention assembly shall be installed at any point in the plumbing system where the potable water supply comes in contact with a potential source of contamination. The backflow prevention assembly shall be approved by the University of Southern California Foundation for Cross Connection Control and Hydraulic Research (USCFCCC).

B. The reduced pressure principle backflow prevention assembly shall be

ASSE listed 1013 with full port OS&Y positive-seal resilient gate valves and an integral relief monitor switch. The main body and access cover shall be epoxy coated ductile iron conforming to ASTM A536 grade

4. The seat ring and check valve shall be the thermoplastic type suited for water service. The stem shall be stainless steel conforming to ASTM

A276/A276M. The seat disc shall be the elastomer type suited for water service. The checks and the relief valve shall be accessible for maintenance without removing the device from the line. An epoxy coated wye type strainer with flanged connections shall be installed on the inlet. Reduced pressure backflow preventers shall be installed in the following applications.

22 05 23 - 6

1. Water service entrance from loop system.

C. The pipe applied or integral atmospheric vacuum breaker shall be ASSE listed 1001. The main body shall be cast bronze. The seat disc shall be the elastomer type suited for water service. The device shall be accessible for maintenance without removing the device from the service line. The installation shall not be in a concealed or inaccessible location or where the venting of water from the device during normal operation is deemed objectionable. Atmospheric vacuum breakers shall be installed in the following applications.

1. Hose bibs and sinks with threaded outlets.

D. The double check backflow prevention assembly shall be ASSE listed 1015 and supply with full port, OS&Y, positive-seal, resilient gate valves.

The main body and access cover shall be epoxy coated ductile iron conforming to ASTM A536 grade. The seat ring and check valve shall be the thermoplastic type suited for water service. The stem shall be stainless steel conforming to ASTM A276/A276M. The seat disc shall be the elastomer type suited for water service. The first and second check valve shall be accessible for maintenance without removing the device from the line. Double check valves shall be installed in the following location requiring continuous pressure subject to backpressure and backsiphonage conditions.

1. Fire protection water service.

2.6 THERMOSTATIC MIXING VALVES

A. Thermostatic Mixing Valves shall comply with the following general performance requirements:

1. Shall meet ASSE requirements for water temperature control.

2. The body shall be cast bronze or brass with corrosion resistant internal parts preventing scale and biofilm build-up. Provide chrome-plated finish in exposed areas.

3. No special tool shall be required for temperature adjustment, maintenance, replacing parts and disinfecting operations.

4. Valve shall be able to be placed in various positions without making temperature adjustment or reading difficult.

5. Valve finish shall be chrome plated in exposed areas.

6. Valve shall allow easy temperature adjustments to allow hot water circulation. Internal parts shall be able to withstand disinfecting operations of chemical and thermal treatment of water temperatures

22 05 23 - 7 up to 82°C (180°F) for 30 minutes or 50 mg/L (50 ppm) chlorine residual concentration for 24 hours.

7. Parts shall be easily removed or replaced without dismantling the valves, for easy scale removal and disinfecting of parts.

8. Valve shall have a manual adjustable temperature control with locking mechanism to prevent tampering by end user. Outlet temperature shall be visible to ensure outlet temperature does not exceed specified limits, particularly after thermal eradication procedures.

9. Provide mixing valves with integral check valves with screens and stop valves.

B. Water Temperature Limiting Devices:

1. Application: Single plumbing fixture point-of-use such as sinks or lavatories.

2. Standard: ASSE 1070.

3. Pressure Rating: 861 kPa (125 psig).

4. Type: Thermostatically controlled water mixing valve set at 43 degrees C (110 degrees F).

5. Connections: Threaded union, compression or soldered inlets and outlet.

6. Upon cold water supply failure the hot water flow shall automatically be reduced to 0.2 gpm maximum.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Valve interior shall be examined for cleanliness, freedom from foreign matter, and corrosion. Special packing materials shall be removed, such as blocks, used to prevent disc movement during shipping and handling.

B. Valves shall be operated in positions from fully open to fully closed.

Guides and seats shall be examined and made accessible by such operations.

C. Threads on valve and mating pipe shall be examined for form and cleanliness.

D. Do not attempt to repair defective valves; replace with new valves.

3.2 INSTALLATION

A. Install valves with unions or flanges at each piece of equipment arranged to allow service, maintenance, and equipment removal without system shutdown.

22 05 23 - 8

B. Valves shall be located for easy access and shall be provide with separate support. Valves shall be accessible with access doors when installed inside partitions or above hard ceilings.

C. Valves shall be installed in horizontal piping with stem above center of pipe.

D. Valves shall be installed in a position to allow full stem movement.

E. Install backflow preventers in each water supply to mechanical equipment and systems and to other equipment and water systems that may be sources of contamination. Comply with authorities having jurisdiction. Locate backflow preventers in same room as connected equipment or system.

1. Install drain for backflow preventers with atmospheric-vent drain connection with air-gap fitting, fixed air-gap fitting, or equivalent positive pipe separation of at least two pipe diameters in drain piping and pipe to floor drain. Locate air-gap device attached to or under backflow preventer. Simple air breaks are not acceptable for this application.

F. Install pressure gages on outlet of backflow preventers.

G. Do not install bypass piping around backflow preventers.

E. If an installation is unsatisfactory to the COR, the Contractor shall correct the installation at no cost to the Government.

3.3 LABELING AND IDENTIFYING

A. Equipment Nameplates and Signs: Install engraved plastic-laminate equipment nameplate or sign on or near each of the following:

1. Calibrated balancing valves.

B. Distinguish among multiple units, inform operator of operational requirements, indicate safety and emergency precautions, and warn of hazards and improper operations, in addition to identifying unit.

3.4 ADJUSTING

A. Valve packing shall be adjusted or replaced after piping systems have been tested and put into service but before final adjusting and balancing. Valves shall be replaced if persistent leaking occurs.

B. Set field-adjustable flow set points of balancing valves and record data. Ensure recorded data represents actual measured or observed conditions. Permanently mark settings of valves and other adjustment devices allowing settings to be restored. Set and lock memory stops.

After adjustment, take measurements to verify balance has not been disrupted or that such disruption has been rectified.

22 05 23 - 9

C. Set field-adjustable temperature set points of temperature-actuated water mixing valves.

D. Testing and adjusting of balancing valves shall be performed by an independent NEBB Accredited Test and Balance Contractor. A final settings and flow report shall be submitted to the VA Contracting

Officer’s Representative (COR). Entire system shall be rebalanced after all final connections.

3.5 COMMISSIONING

A. Provide commissioning documentation in accordance with the requirements of Section 22 08 00, COMMISSIONING OF PLUMBING SYSTEMS.

B. Components provided under this section of the specification will be tested as part of a larger system.

3.6 DEMONSTRATION AND TRAINING

A. Provide services of manufacturer’s technical representative for four hours to instruct VA Personnel in operation and maintenance of the system.

B. Submit training plans and instructor qualifications in accordance with the requirements of Section 22 08 00, COMMISSIONING OF PLUMBING

SYSTEMS.

- - E N D - - -

22 07 11 - 1

SECTION 22 07 11

PLUMBING INSULATION

PART 1 - GENERAL

1.1 DESCRIPTION

A. Field applied insulation for thermal efficiency and condensation control for the following:

1. Plumbing piping.

2. Re-insulation of plumbing piping and equipment after asbestos abatement and or replacement of any part of existing insulation system (insulation, vapor retarder jacket, protective coverings/jacket) damaged during construction.

B. Definitions:

1. ASJ: All Service Jacket, Kraft paper, white finish facing or jacket.

2. Air conditioned space: Space having air temperature and/or humidity controlled by mechanical equipment.

3. All insulation systems installed within supply, return, exhaust, relief and ventilation air plenums shall be limited to uninhabited crawl spaces, areas above a ceiling or below the floor, attic spaces, interiors of air conditioned or heating ducts, and mechanical equipment rooms shall be noncombustible or shall be listed and labeled as having a flame spread indexes of not more than

25 and a smoke-developed index of not more than 50 when tested in accordance with ASTM E84 or UL 723. Note: ICC IMC, Section 602.2.1.

4. Cold: Piping handling media at design temperature of 15 degrees C

(60 degrees F) or below.

5. Concealed: Piping above ceilings and in chases and pipe spaces.

6. Exposed: Piping and equipment exposed to view in finished areas including mechanical equipment rooms or exposed to outdoor weather.

Shafts, chases, unfinished attics, crawl spaces and pipe basements are not considered finished areas.

7. FSK: Foil-scrim-Kraft facing.

8. Hot: Plumbing piping handling media above 40 degrees C (104 degrees

F).

9. Density: kg/m3 - kilograms per cubic meter (Pcf - pounds per cubic foot).

10. Thermal conductance: Heat flow rate through materials.

a. Flat surface: Watts per square meter (BTU per hour per square foot).

22 07 11 - 2

b. Pipe or Cylinder: Watts per linear meter (BTU per hour per linear foot) for a given outside diameter.

11. Thermal Conductivity (k): Watts per meter, per degree K (BTU - inch thickness, per hour, per square foot, per degree F temperature difference).

12. Vapor Retarder (Vapor Barrier): A material which retards the transmission (migration) of water vapor. Performance of the vapor retarder is rated in terms of permeance (perms). For the purpose of this specification, vapor retarders/vapor barriers shall have a maximum published permeance of .02 perms.

13. HWR: Hot water recirculating.

14. CW: Cold water.

15. CWR: Cold water recirculating.

16. HW: Hot water.

17. PVDC: Polyvinylidene chloride vapor retarder jacketing, white.

1.2 RELATED WORK

A. Section 01 00 00, GENERAL REQUIREMENTS.

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

C. Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS: Insulation material and insulation production method.

D. Section 01 91 00, GENERAL COMMISSIONING REQUIREMENTS.

E. Section 02 82 11, TRADITIONAL ASBESTOS ABATEMENT: Insulation containing asbestos material.

F. Section 07 84 00, FIRESTOPPING: Mineral fiber and bond breaker behind sealant.

G. Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING: General mechanical requirements and items, which are common to more than one section of

Division 22.

H. Section 22 05 23, GENERAL-DUTY VALVES FOR PLUMBING PIPING: Hot and cold water piping.

I. Section 22 08 00, COMMISSIONING OF PLUMBING SYSTEMS.

1.3 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 for Testing and Materials (ASTM):

B209-2014 ..............Standard Specification for Aluminum and

Aluminum-Alloy Sheet and Plate

22 07 11 - 3

C411-2017 ..............Standard Test Method for Hot-Surface

Performance of High-Temperature Thermal

Insulation

C449-2007 (R2013) ......Standard Specification for Mineral Fiber

Hydraulic-Setting Thermal Insulating and

Finishing Cement

C450-2008 (R2014) ......Standard Practice for Fabrication of Thermal

Insulating Fitting Covers for NPS Piping, and

Vessel Lagging and Adjunct to C450

C534/C534M-2016 ........Standard Specification for Preformed Flexible

Elastomeric Cellular Thermal Insulation in

Sheet and Tubular Form

C547-2017 ..............Standard Specification for Mineral Fiber Pipe

Insulation

C552-2017 ..............Standard Specification for Cellular Glass

Thermal Insulation

C612-2014 ..............Standard Specification for Mineral Fiber Block and Board Thermal Insulation

C680-2014 ..............Standard Practice for Estimate of the Heat Gain or Loss and the Surface Temperatures of

Insulated Flat, Cylindrical, and Spherical

Systems by Use of Computer Programs

C1136-2017a ............Standard Specification for Flexible, Low

Permeance Vapor Retarders for Thermal

Insulation

C1710-2016 .............Standard Guide for Installation of Flexible

Closed Cell Preformed Insulation in Tube and

Sheet Form

E84-2017a ..............Standard Test Method for Surface Burning

Characteristics of Building Materials

E2231-2015 .............Standard Practice for Specimen Preparation and

Mounting of Pipe and Duct Insulation to Assess

Surface Burning Characteristics

C. Federal Specifications (Fed. Spec.):

L-P-535E(4)-2012 .......Plastic Sheet (Sheeting): Plastic Strip; Poly

(Vinyl Chloride) and Poly (Vinyl Chloride -

Vinyl Acetate), Rigid

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D. International Code Council, (ICC):

IMC-2018 ...............International Mechanical Code

E. Military Specifications (Mil. Spec.):

MIL-A-24179A (1)-1987 ..Adhesive, Flexible Unicellular-Plastic Thermal

Insulation

MIL-A-3316C (2)-1990 ...Adhesives, Fire-Resistant, Thermal Insulation

MIL-PRF-19565C (1)-1988 Coating Compounds, Thermal Insulation, Fire, and Water-Resistant, Vapor-Barrier

F. National Fire Protection Association (NFPA):

90A-2018 ...............Standard for the Installation of Air-

Conditioning and Ventilating Systems

G. Underwriters Laboratories, Inc. (UL):

723-2008 (R2013) .......Standard for Test for Surface Burning

Characteristics of Building Materials

1887-2004 (R2017) ......Standard for Fire Test of Plastic Sprinkler

Pipe for Visible Flame and Smoke

Characteristics

H. American Society of Heating, Refrigeration, and Air Conditioning

Engineers (ASHRAE):

189.1-2014 .............Standard for the Design of High-Performance

Green Buildings

189.3-2017 .............Construction and Operation of Sustainable

High-Performance Health Care Facilities

I. 3E Plus® version 4.1 Insulation Thickness Computer Program: Available from NAIMA with free download; http://.www.pipeinsulation.net

1.4 SUBMITTALS

A. Submittals, including number of required copies, shall be submitted in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Information and material submitted under this section shall be marked

“SUBMITTED UNDER SECTION 22 07 11, PLUMBING INSULATION”, with applicable paragraph identification.

C. Manufacturer's Literature and Data including: Full item description and optional features and accessories. Include dimensions, weights, materials, applications, standard compliance, model numbers, size, and capacity.

http://.www.pipeinsulation.net

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D. Shop Drawings:

1. All information, clearly presented, shall be included to determine compliance with drawings and specifications and ASTM Designation, Federal and Military specifications.

a. Insulation materials: Specify each type used and state surface burning characteristics.

b. Insulation facings and jackets: Each type used and state surface burning characteristics.

c. Insulation accessory materials: Each type used.

d. Manufacturer's installation and fitting fabrication instructions for flexible unicellular insulation shall follow the guidelines in accordance with ASTM C1710.

e. Make reference to applicable specification paragraph numbers for coordination.

f. All insulation fittings (exception flexible unicellular insulation) shall be fabricated in accordance with ASTM C450 and the referenced Adjunct to ASTM C450.

E. Completed System Readiness Checklist provided by the CxA and completed by the contractor, signed by a qualified technician and dated on the date of completion, in accordance with the requirements of Section

22 08 00, COMMISSIONING OF PLUMBING SYSTEMS.

1.5 QUALITY ASSURANCE

A. Refer to article QUALITY ASSURANCE, in Section 22 05 11, COMMON WORK

RESULTS FOR PLUMBING.

B. Criteria:

1. Comply with NFPA 90A, particularly paragraphs 4.3.3.1 through

4.3.3.6, 4.3.11.2.6, parts of which are quoted as follows:

4.3.3.1 Pipe and duct insulation and coverings, duct linings, vapor retarder facings, adhesives, fasteners, tapes, and supplementary materials added to air ducts, plenums, panels and duct silencers used in duct systems shall have, in the form in which they are used, a maximum flame spread index of 25 without evidence of continued progressive combustion and a maximum smoke developed index of 50 when tested in accordance with ASTM E84 and appropriate mounting practice, e.g. ASTM E2231.

4.3.3.3 Coverings and linings for air ducts, pipes, plenums and panels including all pipe and duct insulation materials shall not flame, glow, smolder, or smoke when tested in accordance with a similar test for pipe covering, ASTM C411, Standard Test Method for Hot-Surface Performance of High-Temperature Thermal

Insulation, at the temperature to which they are exposed in service. In no case shall the test temperature be below 121 degrees C (250 degrees F).

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4.3.11.2.6.3 Nonferrous fire sprinkler piping shall be listed as having a maximum peak optical density of 0.5 or less, an average optical density of 0.15 or less, and a maximum flame spread distance of 1.5 m (5 ft) or less when tested in accordance with

UL 1887, Standard for Safety Fire Test of Plastic Sprinkler Pipe for Visible Flame and Smoke Characteristics.

4.3.11.2.6.8 Smoke detectors shall not be required to meet the provisions of Section 4.3.

2. Test methods: ASTM E84, UL 723, and ASTM E2231.

3. Specified k factors are at 24 degrees C (75 degrees F) mean temperature unless stated otherwise. Where optional thermal insulation material is used, select thickness to provide thermal conductance no greater than that for the specified material. For pipe, use insulation manufacturer's published heat flow tables. For domestic hot water supply and return, run out insulation and condensation control insulation, no thickness adjustment need be made.

4. All materials shall be compatible and suitable for service temperature, and shall not contribute to corrosion or otherwise attack surface to which applied in either the wet or dry state.

C. Every package or standard container of insulation or accessories delivered to the job site for use shall have a manufacturer's stamp or label giving the name of the manufacturer, description of the material, and the production date or code.

D. Bio-Based Materials: For products designated by the USDA’s Bio-

Preferred Program, provide products that meet or exceed USDA recommendations for bio-based content, so long as products meet all performance requirements in this specifications section. For more information regarding the product categories covered by the Bio-

Preferred Program, visit http://www.biopreferred.gov.

1.6 AS-BUILT DOCUMENTATION

A. Submit manufacturer’s literature and data updated to include submittal review comments and any equipment substitutions.

B. Submit operation and maintenance data updated to include submittal review comments, substitutions and construction revisions shall be in electronic version on compact disc or DVD inserted into a three ring binder. All aspects of system operation and maintenance procedures, including piping isometrics, wiring diagrams of all circuits, a written description of system design, control logic, and sequence of operation shall be included in the operation and maintenance manual. The

22 07 11 - 7 operations and maintenance manual shall include troubleshooting techniques and procedures for emergency situations. Notes on all special systems or devices such as damper and door closure interlocks shall be included. A List of recommended spare parts (manufacturer, model number, and quantity) shall be furnished. Information explaining any special knowledge or tools the owner will be required to employ shall be inserted into the As-Built documentation.

C. The installing contractor shall maintain as-built drawings of each completed phase for verification; and, shall provide the complete set at the time of final systems certification testing. As-built drawings are to be provided, and a copy of them in Auto-CAD version 2014 provided on compact disk or DVD. Should the installing contractor engage the testing company to provide as-built or any portion thereof, it shall not be deemed a conflict of interest or breach of the ‘third party testing company’ requirement.

D. Certification documentation shall be provided prior to submitting the request for final inspection. The documentation shall include all test results, the names of individuals performing work for the testing agency on this project, detailed procedures followed for all tests, and certification that all results of tests were within limits specified.

1.7 STORAGE AND HANDLING OF MATERIAL

A. Store materials in clean and dry environment, pipe insulation jackets shall be clean and unmarred. Place adhesives in original containers.

Maintain ambient temperatures and conditions as required by printed instructions of manufacturers of adhesives, mastics and finishing cements.

PART 2 - PRODUCTS

2.1 MINERAL FIBER

A. ASTM C547 (Pipe Fitting Insulation and Preformed Pipe Insulation), Class 1, k = 0.037 (0.26) at 24 degrees C (75 degrees F), for use at temperatures up to 230 degrees C (446 degrees F) with an all service vapor retarder jacket (ASJ) and with polyvinyl chloride (PVC) premolded fitting covering.

2.2 MINERAL WOOL OR REFRACTORY FIBER

A. Comply with Standard ASTM C612, Class 3, 450 degrees C (842 degrees F).

2.3 CELLULAR GLASS CLOSED-CELL

A. Comply with Standard ASTM C552, density 120 kg/m3 (7.5 pcf) nominal, k =

0.033 (0.29) at 24 degrees C (75 degrees F).

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B. Pipe insulation for use at process temperatures below ambient air to

482 degrees C (900 degrees F) with or without all service vapor retarder jacket (ASJ).

C. Pipe insulation for use at process temperatures for pipe and tube below ambient air temperatures or where condensation control is necessary are to be installed with a vapor retarder/barrier system of with or without all service vapor retarder sealed jacket (ASJ) system. Without ASJ shall require all longitudinal and circumferential joints to be vapor sealed with vapor barrier mastic.

D. Cellular glass thermal insulation intended for use on surfaces operating at temperatures between −268 and 482 degrees C (−450 and 900 degrees F). It is possible that special fabrication or techniques for pipe insulation, or both, shall be required for application in the temperature range from 121 to 427 degrees C (250 to 800 degrees F).

2.4 FLEXIBLE ELASTOMERIC CELLULAR THERMAL

A. ASTM C534/C534M, k = 0.039 (0.27) at 24 degrees C (75 degrees F), flame spread not over 25, smoke developed not over 50, for temperatures from minus 4 degrees C (40 degrees F) to 93 degrees C (199 degrees F). Under high humidity exposures for condensation control an external vapor retarder/barrier jacket is required. Consult ASTM C1710.

2.5 INSULATION FACINGS AND JACKETS

A. Vapor Retarder, higher strength with low water permeance = 0.02 or less perm rating, Beach puncture 50 units for insulation facing on pipe insulation jackets. Facings and jackets shall be ASJ or PVDC Vapor

Retarder jacketing.

B. ASJ shall be white finish (kraft paper) bonded to 0.025 mm (1 mil) thick aluminum foil, fiberglass reinforced, with pressure sensitive adhesive closure. Comply with ASTM C1136. Beach puncture is 50 units, suitable for painting without sizing. Jackets shall have minimum 40 mm

(1-1/2 inch) lap on longitudinal joints and minimum 75 mm (3 inch) butt strip on end joints. Butt strip material shall be same as the jacket.

Lap and butt strips shall be self-sealing type with factory-applied pressure sensitive adhesive.

C. Except for flexible elastomeric cellular thermal insulation (not for high humidity exposures), field applied vapor barrier jackets shall be provided, in addition to the specified facings and jackets, on all exterior piping as well as on interior piping exposed to outdoor air

(i.e.; in ventilated attics, piping in ventilated (not air conditioned)

22 07 11 - 9 spaces, etc.) in high humidity locations conveying fluids below ambient temperature. The vapor barrier jacket shall consist of a multi-layer laminated cladding with a maximum water vapor permeance of 0.001 perms.

The minimum puncture resistance shall be 35 cm-kg (30 inch-pounds) for interior locations and 92 cm-kg (80 inch-pounds) for exterior or exposed locations or where the insulation is subject to damage.

D. Except for cellular glass thermal insulation, when all longitudinal and circumferential joints are vapor sealed with a vapor barrier mastic or caulking, vapor barrier jackets may not be provided. For aesthetic and physical abuse applications, exterior jacketing is recommended.

Otherwise field applied vapor barrier jackets shall be provided, in addition to the applicable specified facings and jackets, on all exterior piping as well as on interior piping exposed to outdoor air

(i.e.; in ventilated attics, piping in ventilated (not air conditioned) spaces, etc.) in high humidity locations conveying fluids below ambient temperature. The vapor barrier jacket shall consist of a multi-layer laminated cladding with a maximum water vapor permeance of 0.001 perms.

The minimum puncture resistance shall be 35 cm-kg (30 inch-pounds) for interior locations and 92 cm-kg (80 inch-pounds) for exterior or exposed locations or where the insulation is subject to damage.

E. Pipe fitting insulation covering (jackets): Fitting covering shall be premolded to match shape of fitting and shall be PVC conforming to Fed.

Spec L-P-535E, composition A, Type II Grade GU, and Type III, minimum thickness 0.7 mm (0.03 inches). Provide color matching vapor retarder pressure sensitive tape. Staples, tacks, or any other attachment that penetrates the PVC covering is not allowed on any form of a vapor barrier system in below ambient process temperature applications.

F. Aluminum Jacket-Piping systems and circular breeching and stacks: ASTM

B209, 3003 alloy, H-14 temper, 0.6 mm (0.023 inch) minimum thickness with locking longitudinal joints. Jackets for elbows, tees and other fittings shall be factory-fabricated or with cut aluminum gores to match shape of fitting and of 0.6 mm (0.024 inch) minimum thickness aluminum. Aluminum fittings shall be of same construction with an internal moisture barrier as straight run jackets but need not be of the same alloy. Factory-fabricated stainless steel bands with wing seals shall be installed on all circumferential joints. Bands shall be

15 mm (0.5 inch) wide on 450 mm (18 inch) centers. System shall be weatherproof if utilized for outside service.

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G. Aluminum jacket-Rectangular breeching: ASTM B209, 3003 alloy, H-14 temper, 0.5 mm (0.020 inches) thick with 32 mm (1-1/4 inch) corrugations or 0.8 mm (0.032 inches) thick with no corrugations.

System shall be weatherproof if used for outside service.

2.6 PIPE COVERING PROTECTION SADDLES

A. Cold pipe support: Premolded pipe insulation 180 degrees (half-shells) on bottom half of pipe at supports. Material shall be cellular glass or high density Polyisocyanurate insulation of the same thickness as adjacent insulation. Density of Polyisocyanurate insulation shall be a minimum of 48 kg/m3 (3.0 pcf).

Nominal Pipe Size and Accessories Material (Insert Blocks)

Nominal Pipe Size mm (inches) Insert Blocks mm (inches)

Up through 125 (5) 150 (6) long

150 (6) 150 (6) long

200 (8), 250 (10), 300 (12) 225 (9) long

350 (14), 400 (16) 300 (12) long

450 through 600 (18 through 24) 350 (14) long

B. Warm or hot pipe supports: Premolded pipe insulation (180 degree half-shells) on bottom half of pipe at supports. Material shall be high density Polyisocyanurate (for temperatures up to 149 degrees C (300 degrees F)), cellular glass. Insulation at supports shall have same thickness as adjacent insulation. Density of Polyisocyanurate insulation shall be a minimum of 48 kg/m3 (3.0 pcf).

2.7 ADHESIVE, MASTIC, CEMENT

A. Mil. Spec. MIL-A-3316C, Class 1: Jacket and lap adhesive and protective finish coating for insulation.

B. Mil. Spec. MIL-A-3316C, Class 2: Adhesive for laps and for adhering insulation to metal surfaces.

C. Mil. Spec. MIL-A-24179A, Type II Class 1: Adhesive for installing flexible unicellular insulation and for laps and general use.

D. Mil. Spec. MIL-PRF-19565C, Type I or Type II: Vapor barrier compound for indoor use.

E. ASTM C449: Mineral fiber hydraulic-setting thermal insulating and finishing cement.

F. Other: Insulation manufacturers' published recommendations.

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2.8 MECHANICAL FASTENERS

A. Pins, anchors: Welded pins, or metal or nylon anchors with galvanized steel or fiber washer, or clips. Pin diameter shall be as recommended by the insulation manufacturer.

B. Staples: Outward clinching galvanized steel. Staples are not allowed for below ambient vapor barrier applications.

C. Wire: 1.3 mm thick (18 gage) soft annealed galvanized or 1.9 mm (14 gage) copper clad steel or nickel copper alloy or stainless steel.

D. Bands: 13 mm (1/2 inch) nominal width, brass, galvanized steel, aluminum or stainless steel.

E. Tacks, rivets, screws or any other attachment device capable of penetrating the vapor retarder shall NOT be used to attach/close the any type of vapor retarder jacketing. Thumb tacks sometimes used on PVC jacketing and preformed fitting covers closures are not allowed for below ambient vapor barrier applications.

2.9 REINFORCEMENT AND FINISHES

A. Tape for Flexible Elastomeric Cellular Insulation: As recommended by the insulation manufacturer.

B. Hexagonal wire netting: 25 mm (one inch) mesh, 0.85 mm thick (22 gage) galvanized steel.

C. Corner beads: 50 mm (2 inch) by 50 mm (2 inch), 0.55 mm thick (26 gage) galvanized steel; or, 25 mm (1 inch) by 25 mm (1 inch), 0.47 mm thick

(28 gage) aluminum angle adhered to 50 mm (2 inch) by 50 mm (2 inch)

Kraft paper.

D. PVC fitting cover: Fed. Spec L-P-535E, Composition A, 11-86 Type II, Grade GU, with Form B Mineral Fiber insert, for media temperature 10 to

121 degrees C (50 to 250 degrees F). Below 10 degrees C (50 degrees F) and above 121 degrees C (250 degrees F) provide mitered pipe insulation of the same type as insulating straight pipe. Provide double layer insert. Provide vapor barrier pressure sensitive tape matching the color of the PVC jacket.

2.10 FIRESTOPPING MATERIAL

A. Other than pipe insulation, refer to Section 07 84 00, FIRESTOPPING.

2.11 FLAME AND SMOKE

A. Unless shown otherwise all assembled systems shall meet flame spread 25 and smoke developed 50 rating as developed under ASTM and UL standards and specifications. See paragraph "Quality Assurance".

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PART 3 - EXECUTION

3.1 GENERAL REQUIREMENTS

A. Required pressure tests of piping joints and connections shall be completed and the work approved by the Contracting Officer’s

Representative (COR) for application of insulation. Surface shall be clean and dry with all foreign materials, such as dirt, oil, loose scale and rust removed.

B. Except for specific exceptions or as noted, insulate all specified piping (pipe, fittings, valves, accessories). Insulate each pipe individually. Do not use scrap pieces of insulation where a full length section will fit.

C. Where removal of insulation of piping and equipment is required to comply with Section 02 82 11, TRADITIONAL ASBESTOS ABATEMENT, such areas shall be reinsulated to comply with this specification.

D. Insulation materials shall be installed with smooth and even surfaces, with jackets and facings drawn tight and smoothly cemented down and sealed at all laps. Insulation shall be continuous through all sleeves and openings, except at fire dampers and duct heaters (NFPA 90A).

E. Vapor retarders shall be continuous and uninterrupted throughout systems with operating temperature 15 degrees C (60 degrees F) and below. Lap and seal vapor barrier over ends and exposed edges of insulation. Anchors, supports and other metal projections through insulation on cold surfaces shall be insulated and vapor sealed for a minimum length of 150 mm (6 inches).

F. Install vapor stops with operating temperature 15 degrees C (60 degrees

F) and below at all insulation terminations on either side of valves and fittings and particularly in straight lengths every 4.6 to 6.1 meters (approx. 15 to 20 feet) of pipe insulation. The annular space between the pipe and pipe insulation of approx. 25 mm (1 inch) in length at every vapor stop shall be sealed with appropriate vapor barrier sealant. Bio-based materials shall be utilized when possible.

G. Insulation on hot piping shall be terminated square at items not to be insulated, access openings and nameplates. Cover all exposed raw insulation with white sealer coating (caution about coating’s maximum temperature limit) or jacket material.

H. Plumbing work not to be insulated unless otherwise noted:

1. Piping and valves of fire protection system.

2. Chromium plated brass piping.

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3. Water piping in contact with earth.

I. Apply insulation materials subject to the manufacturer's recommended temperature limits. Apply adhesives, mastic and coatings at the manufacturer's recommended minimum wet or dry film thickness. Bio-based materials shall be utilized when possible.

J. Elbows, flanges and other fittings shall be insulated with the same material as is used on the pipe straights. Use of polyurethane or polyisocyanurate spray-foam to fill a PVC elbow jacket is prohibited on cold applications.

K. Firestop Pipe insulation:

1. Provide firestopping insulation at fire and smoke barriers through penetrations. Firestopping insulation shall be UL listed as defined in Section 07 84 00, FIRESTOPPING.

2. Pipe penetrations requiring fire stop insulation including, but not limited to the following:

a. Pipe risers through floors

b. Pipe chase walls and floors

c. Smoke partitions

d. Fire partitions

e. Hourly rated walls

L. Provide vapor barrier systems as follows:

1.

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