36C24219B0043-0004001.pdf

WNY Upstate New York Healthcare System VA Project N o. 528A5-17-549 Canandaigua VA Medical Center Renovate Building 36, 1 st Floor (B36A) Canandaigua, New York 100% Construction Documents: 02/15/19

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SECTION 23 07 11

HVAC INSULATION

PART 1 - GENERAL

1.1 DESCRIPTION

A. Field applied insulation for thermal efficiency and condensation control for

1. HVAC piping, ductwork and equipment.

B. Definitions

1. ASJ: All service jacket, white finish facing or jacket.

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

3. Cold: Equipment, ductwork or piping handling med ia at design temperature of 60 degrees F or below.

4. Concealed: Ductwork and piping above ceilings an d in chases and pipe spaces.

5. Exposed: Piping, ductwork, and equipment exposed to view in finished areas including mechanical and electrical equipment rooms or exposed to outdoor weather. Attics and crawl spaces where a ir handling units are located are considered to be mechanical rooms. Shafts, chases, unfinished attics, crawl spaces and pipe basements are not considered finished areas.

6. FSK: Foil-scrim-kraft facing.

7. Hot: HVAC Ductwork handling air at design temper ature above 60 degrees F;HVAC equipment or piping handling media a bove 105 degrees

F;and piping media and equipment 90 to 450 degrees F.

8. Density: kg/m 3 - kilograms per cubic meter (Pcf - pounds per cubi c foot).

9. Runouts: Branch pipe connections up to one-inch nominal size to fan coil units.

10. Thermal conductance: Heat flow rate through mat erials.

a. Flat surface: Watt per square meter (BTU per hou r per square foot).

b. Pipe or Cylinder: Watt per square meter (BTU per hour per linear foot).

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11. Thermal Conductivity (k): Watt per meter, per d egree C (BTU per inch thickness, per hour, per square foot, per degree F temperature difference).

12. Vapor Retarder (Vapor Barrier): A material whi ch retards the transmission (migration) of water vapor. Performan ce of the vapor retarder is rated in terms of permeance (perms). F or the purpose of this specification, vapor retarders shall have a ma ximum published permeance of 0.1 perms and vapor barriers shall hav e a maximum published permeance of 0.001 perms.

13. HPS: High pressure steam 60 psig and above.

14. HPR: High pressure steam condensate return.

15. MPS: Medium pressure steam 16 psig] thru 59 psi g.

16. MPR: Medium pressure steam condensate return.

17. LPS: Low pressure steam 15 psig] and below.

18. LPR: Low pressure steam condensate gravity retu rn.

19. PC: Pumped condensate.

20. HWH: Hot water heating supply.

21. HWHR: Hot water heating return.

29. CPD: Condensate pump discharge.

30. R: Pump recirculation.

33. CW: Cold water.

34. SW: Soft water.

35. HW: Hot water.

36. CH: Chilled water supply.

37. CHR: Chilled water return.

1.2 RELATED WORK

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

B. Section 07 84 00, FIRESTOPPING.

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

D. Section 23 08 00, COMMISSIONING OF HVAC SYSTEM S.

E. Section 23 21 13, HYDRONIC PIPING.

F. Section 23 22 13, STEAM and CONDENSATE HEATING P IPING

1.3 QUALITY ASSURANCE

A. Refer to article QUALITY ASSURANCE, in Section 2 3 05 11, COMMON WORK

RESULTS FOR HVAC.

B. Criteria:

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1. Comply with NFPA 90A, particularly paragraphs 4. 3.3.1 through

4.3.3.6, 4.3.10.2.6, and 5.4.6.4, parts of which ar e quoted as follows:

4.3.3.1 Pipe insulation and coverings, duct coverings, duct

linings, vapor retarder facings, adhesives, fastene rs, tapes, and supplementary materials added to air ducts, plenums , panels, and duct silencers used in duct systems, unless otherwi se provided for in 4.3.3.1.1 or 4.3.3.1.2., shall have, in th e form in which they are used, a maximum flame spread index o f 25 without evidence of continued progressive combustion and a maximum smoke developed index of 50 when tested in accordance wit h NFPA 255, Standard Method of Test of Surface Burning Characteristics of Building Materials.

4.3.3.1.1 Where these products are to be applied with adhesiv es, they shall be tested with such adhesives applied, o r the adhesives used shall have a maximum flame spread in dex of 25 and a maximum smoke developed index of 50 when in the f inal dry state. (See 4.2.4.2.)

4.3.3.1.2 The flame spread and smoke developed index requirem ents of 4.3.3.1.1 shall not apply to air duct weatherpr oof coverings where they are located entirely outside of a buildi ng, do not penetrate a wall or roof, and do not create an expo sure hazard.

4.3.3.2 Closure systems for use with rigid and flex ible air ducts tested in accordance with UL 181, Standard for Safe ty Factory- Made Air Ducts and Air Connectors, shall have been tested, listed, and used in accordance with the conditions of their listings, in accordance with one of the following:

(1) UL 181A, Standard for Safety Closure Systems fo r Use with Rigid Air Ducts and Air Connectors

(2) UL 181B, Standard for Safety Closure Systems fo r Use with Flexible Air Ducts and Air Connectors

4.3.3.3 Air duct, panel, and plenum coverings and l inings, and pipe insulation and coverings shall not flame, glow , smolder, or smoke when tested in accordance with a similar test for pipe covering, ASTM C 411, Standard Test Method for Hot- Surface Performance of High-Temperature Thermal Insulation, at the temperature to which they are exposed in service.

4.3.3.3.1 In no case shall the test temperature be below 121°C (250°F).

4.3.3.4 Air duct coverings shall not extend through walls or

floors that are required to be fire stopped or requ ired to have a fire resistance rating, unless such coverings meet the requirements of 5.4.6.4.

4.3.3.5* Air duct linings shall be interrupted at f ire dampers to prevent interference with the operation of devices.

4.3.3.6 Air duct coverings shall not be installed s o as to

conceal or prevent the use of any service opening.

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4.3.10.2.6 Materials exposed to the airflow shall b e

noncombustible or limited combustible and have a ma ximum smoke developed index of 50 or comply with the following.

4.3.10.2.6.1 Electrical wires and cables and optica l fiber cables shall be listed as noncombustible or limited combus tible and have a maximum smoke developed index of 50 or shall be l isted as having a maximum peak optical density of 0.5 or les s, an average optical density of 0.15 or less, and a maximum flam e spread distance of 1.5 m (5 ft) or less when tested in acc ordance with NFPA 262, Standard Method of Test for Flame T ravel and Smoke of Wires and Cables for Use in Air-Handling S paces.

4.3.10.2.6.2 Pneumatic tubing for control systems s hall 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 maxi mum flame spread distance of 1.5 m (5 ft) or less when tested in accordance with UL 1820, Standard for Safety Fire Test of Pneu matic Tubing for Flame and Smoke Characteristics.

4.3.10.2.6.4 Optical-fiber and communication racewa ys 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 m aximum flame spread distance of 1.5 m (5 ft) or less when tested in accordance with UL 2024, Standard for Safety Optical-Fiber Cab le Raceway.

4.3.10.2.6.6 Supplementary materials for air distri bution systems shall be permitted when complying with the provisio ns of 4.3.3.

5.4.6.4 Where air ducts pass through walls, floors, or partitions that are required to have a fire resistance rating and where fire dampers are not required, the opening in the constr uction around the air duct shall be as follows:

(1) Not exceeding a 25.4 mm (1 in.) average cl earance on all sides

(2) Filled solid with an approved material cap able of preventing the passage of flame and hot gases suffi cient to ignite cotton waste when subjected to the time-temp erature fire conditions required for fire barrier penetration as specified in NFPA 251, Standard Methods of Tests of Fire Endurance of Building Construction and Materials

2. Test methods: ASTM E84, UL 723, or NFPA 255.

3. Specified k factors are at 24 degrees C (75 degr ees F) mean temperature unless stated otherwise. Where optional thermal insulation material is used, select thickness to pr ovide 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 insul ation and condensation control insulation, no thickness adjus tment need be made.

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

C. Every package or standard container of insulatio n or accessories delivered to the job site for use must have a manuf acturer's stamp or label giving the name of the manufacturer and descr iption of the material.

1.4 SUBMITTALS

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

DATA, and SAMPLES.

B. Shop Drawings:

1. All information, clearly presented, shall be inc luded to determine compliance with drawings and specifications and AST M, federal and military specifications.

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

b. Insulation facings and jackets: Each type used. Make it clear that white finish will be furnished for exposed duc twork, casings and equipment.

c. Insulation accessory materials: Each type used.

d. Manufacturer's installation and fitting fabricat ion instructions for flexible unicellular insulation.

e. Make reference to applicable specification parag raph numbers for coordination.

C. Samples:

1. Each type of insulation: Minimum size 4 inches s quare for board/block/ blanket; 6 inches long, full diameter for round types.

2. Each type of facing and jacket: Minimum size 4 i nches square.

3. Each accessory material: Minimum 120 ML (4 ounce ) liquid container or 120 gram (4 ounce) dry weight for adhesives / ce ment / mastic.

1.5 STORAGE AND HANDLING OF MATERIAL

Store materials in clean and dry environment, pipe covering jackets shall be clean and unmarred. Place adhesives in ori ginal containers.

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

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1.6 APPLICABLE PUBLICATIONS

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

B. Federal Specifications (Fed. Spec.):

L-P-535E (2)- 99........Plastic Sheet (Sheeting): P lastic Strip; Poly

(Vinyl Chloride) and Poly (Vinyl Chloride -

Vinyl Acetate), Rigid.

C. Military Specifications (Mil. Spec.):

MIL-A-3316C (2)-90......Adhesives, Fire-Resistant, Thermal Insulation

MIL-A-24179A (1)-87.....Adhesive, Flexible Unicellu lar-Plastic

Thermal Insulation

MIL-C-19565C (1)-88.....Coating Compounds, Thermal Insulation, Fire-and

Water-Resistant, Vapor-Barrier

MIL-C-20079H-87.........Cloth, Glass; Tape, Textile Glass; and Thread, Glass and Wire-Reinforced Glass

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

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

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

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

Aluminum-Alloy Sheet and Plate

C411-05.................Standard test method for Ho t-Surface

Performance of High-Temperature Thermal

Insulation

C449-07.................Standard Specification for Mineral Fiber

Hydraulic-Setting Thermal Insulating and

Finishing Cement

C533-09.................Standard Specification for Calcium Silicate

Block and Pipe Thermal Insulation

C534-08.................Standard Specification for Preformed Flexible

Elastomeric Cellular Thermal Insulation in

Sheet and Tubular Form

C547-07.................Standard Specification for Mineral Fiber pipe

Insulation

C552-07.................Standard Specification for Cellular Glass

Thermal Insulation

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C553-08.................Standard Specification for Mineral Fiber

Blanket Thermal Insulation for Commercial and

Industrial Applications

C585-09.................Standard Practice for Inner and Outer Diameters of Rigid Thermal Insulation for Nominal Sizes of Pipe and Tubing (NPS System) R (1998)

C612-10.................Standard Specification for Mineral Fiber Block and Board Thermal Insulation

C1126-04................Standard Specification for Faced or Unfaced

Rigid Cellular Phenolic Thermal Insulation

C1136-10................Standard Specification for Flexible, Low

Permeance Vapor Retarders for Thermal

Insulation

D1668-97a (2006)........Standard Specification for Glass Fabrics (Woven and Treated) for Roofing and Waterproofing

E84-10..................Standard Test Method for Su rface Burning

Characteristics of Building

Materials

E119-09c ................Standard Test Method for Fire Tests of Building

Construction and Materials

E136-09b................Standard Test Methods for B ehavior of Materials in a Vertical Tube Furnace at 750 degrees C

(1380 F)

E. National Fire Protection Association (NFPA):

90A-09..................Standard for the Installati on of Air

Conditioning and Ventilating Systems

96-08...................Standards for Ventilation C ontrol and Fire

Protection of Commercial Cooking Operations

101-09..................Life Safety Code

251-06..................Standard methods of Tests o f Fire Endurance of

Building Construction Materials

255-06..................Standard Method of tests of Surface Burning

Characteristics of Building Materials

F. Underwriters Laboratories, Inc (UL):

723 ..................... UL Standard for Safety Test for Surface Burning

Characteristics of Building Materials with

Revision of 09/08

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G. Manufacturer’s Standardization Society of the Va lve and Fitting

Industry (MSS):

SP58-2009...............Pipe Hangers and Supports M aterials, Design, and Manufacture

PART 2 - PRODUCTS

2.1 MINERAL FIBER OR FIBER GLASS

A. ASTM C612 (Board, Block), Class 1 or 2, density 48 kg/m 3 (3 pcf), k =

0.037 (0.26) at 24 degrees C (75 degrees F), extern al insulation for temperatures up to 204 degrees C (400 degrees F) wi th foil scrim (FSK) facing.

B. ASTM C553 (Blanket, Flexible) Type I, // Class B -3, Density 16 kg/m 3 (1 pcf), k = 0.045 (0.31) // Class B-5, Density 32 kg/ m3 (2 pcf), k = 0.04

(0.27) // at 24 degrees C (75 degrees F), for use a t temperatures up to

204 degrees C (400 degrees F) with foil scrim (FSK) facing.

C. ASTM C547 (Pipe Fitting Insulation and Preformed Pipe Insulation), Class 1, k = 0.037 (0.26) at 24 degrees C (75 degre es F), for use at temperatures up to 230 degrees C (450 degrees F) wi th an all service vapor retarder jacket with polyvinyl chloride premo lded fitting covering.

2.2 MINERAL WOOL OR REFRACTORY FIBER

A. Comply with Standard ASTM C612, Class 3, 450 deg rees C (850 degrees F).

2.3 RIGID CELLULAR PHENOLIC FOAM

A. Preformed (molded) pipe insulation, ASTM C1126, type III, grade 1, k =

0.021(0.15) at 10 degrees C (50 degrees F), for use at temperatures up to 121 degrees C (250 degrees F) with all service v apor retarder jacket with polyvinyl chloride premolded fitting covering.

B. Equipment and Duct Insulation, ASTM C 1126, type II, grade 1, k = 0.021

(0.15) at 10 degrees C (50 degrees F), for use at t emperatures up to

121 degrees C (250 degrees F) with rigid cellular p henolic insulation and covering, and all service vapor retarder jacket .

2.4 CELLULAR GLASS CLOSED-CELL

A. Comply with Standard ASTM C177, C518, density 12 0 kg/m 3 (7.5 pcf) nominal, k = 0.033 (0.29) at 240 degrees C (75 degr ees F).

B. Pipe insulation for use at temperatures up to 20 0 degrees C (400 degrees F) with all service vapor retarder jacket.

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2.5 POLYISOCYANURATE CLOSED-CELL RIGID

A. Preformed (fabricated) pipe insulation, ASTM C59 1, type IV, K=0.027(0.19) at 24 degrees C (75 degrees F), flame spread not over 25, smoke developed not over 50, for use at temperature s up to 149 degree C

(300 degree F) with factory applied PVDC or all ser vice vapor retarder jacket with polyvinyl chloride premolded fitting co vers.

B. Equipment and duct insulation, ASTM C 591,type I V, K=0.027(0.19) at 24 degrees C (75 degrees F), for use at temperatures u p to 149 degrees C

(300 degrees F) with PVDC or all service jacket vap or retarder jacket.

2.6 FLEXIBLE ELASTOMERIC CELLULAR THERMAL

ASTM C177, C518, k = 0.039 (0.27) at 24 degrees C (75 degrees F), flame spread not over 25, smoke developed not over 50, fo r temperatures from minus 4 degrees C (40 degrees F) to 93 degrees C (2 00 degrees F). No jacket required.

2.7 CALCIUM SILICATE

A. Preformed pipe Insulation: ASTM C533, Type I and Type II with indicator denoting asbestos-free material.

B. Premolded Pipe Fitting Insulation: ASTM C533, Ty pe I and Type II with indicator denoting asbestos-free material.

C. Equipment Insulation: ASTM C533, Type I and Type II

D. Characteristics:

Insulation Characteristics

ITEMS TYPE I TYPE II

Temperature, maximum degrees C

(degrees F)

649 (1200) 927 (1700)

Density (dry), Kg/m 3 (lb/ ft3) 232 (14.5) 288 (18)

Thermal conductivity:

Min W/ m K (Btu in/h ft 2 degrees F)@ mean temperature of 93 degrees C

(200 degrees F)

0.059

(0.41)

0.078

(0.540)

Surface burning characteristics:

Flame spread Index, Maximum

Smoke Density index, Maximum 0 0

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2.8 INSULATION FACINGS AND JACKETS

A. Vapor Retarder, higher strength with low water p ermeance = 0.02 or less perm rating, Beach puncture 50 units for insulation facing on exposed ductwork, casings and equipment, and for pipe insul ation jackets.

Facings and jackets shall be all service type (ASJ) or PVDC Vapor

Retarder jacketing.

B. ASJ jacket shall be white kraft bonded to 0.025 mm (1 mil) thick aluminum foil, fiberglass reinforced, with pressure sensitive adhesive closure. Comply with ASTM C1136. Beach puncture 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 inc h) butt strip on end joints. Butt strip material shall be same as the ja cket. Lap and butt strips shall be self-sealing type with factory-appl ied pressure sensitive adhesive.

C. Vapor Retarder medium strength with low water va por permeance of 0.02 or less perm rating), Beach puncture 25 units: Foil -Scrim-Kraft (FSK) or PVDC vapor retarder jacketing type for concealed ductwork and equipment.

D. Field applied vapor barrier jackets shall be pro vided, in addition to the specified facings and jackets, on all exterior piping and ductwork as well as on interior piping and ductwork exposed to outdoor air

(i.e.; in ventilated attics, piping in ventilated ( not air conditioned) spaces, etc) in high humidity areas conveying fluid s below ambient temperature. The vapor barrier jacket shall consis t of a multi-layer laminated cladding with a maximum water vapor perme ance 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) fo r exterior or exposed locations or where the insulation is subjec t to damage.

E. Glass Cloth Jackets: Presized, minimum 0.18 kg p er square meter (7.8 ounces per square yard), 2000 kPa (300 psig) bursti ng strength with integral vapor retarder where required or specified . Weather proof if utilized for outside service.

F. Factory composite materials may be used provided that they have been tested and certified by the manufacturer.

G. Pipe fitting insulation covering (jackets): Fitt ing covering shall be premolded to match shape of fitting and shall be po lyvinyl chloride

(PVC) conforming to Fed Spec L-P-335, composition A , Type II Grade GU, 23 07 11 - 11 and Type III, minimum thickness 0.7 mm (0.03 inches ). Provide color matching vapor retarder pressure sensitive tape.

H. Aluminum Jacket-Piping systems: ASTM B209, 3003 alloy, H-14 temper, 0.6 mm (0.023 inch) minimum thickness with locking long itudinal joints.

Jackets for elbows, tees and other fittings shall b e factory-fabricated to match shape of fitting and of 0.6 mm (0.024) inc h minimum thickness aluminum. Fittings shall be of same construction a s straight run jackets but need not be of the same alloy. Factory -fabricated stainless steel bands shall be installed on all cir cumferential joints.

Bands shall be 13 mm (0.5 inch) wide on 450 mm (18 inch) centers.

System shall be weatherproof if utilized for outsid e service.

2.9 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 sam e thickness as adjacent insulation. Density of Polyisocyanurate in sulation shall be a minimum of 48 kg/m 3 (3.0 pcf).

Nominal Pipe Size and Accessories Material (Insert Blocks)

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

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 insula tion (180 degree half-shells) on bottom half of pipe at supports. Materi al shall be high density Polyisocyanurate (for temperatures up to 14 9 degrees C [300 degrees F]), cellular glass or calcium silicate. I nsulation at supports shall have same thickness as adjacent insu lation. Density of

Polyisocyanurate insulation shall be a minimum of 4 8 kg/m 3 (3.0 pcf).

2.10 ADHESIVE, MASTIC, CEMENT

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

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

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C. Mil. Spec. MIL-A-24179, Type II Class 1: Adhesiv e for installing flexible unicellular insulation and for laps and ge neral use.

D. Mil. Spec. MIL-C-19565, Type I: Protective finis h for outdoor use.

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

F. ASTM C449: Mineral fiber hydraulic-setting therm al insulating and finishing cement.

G. Other: Insulation manufacturers' published recom mendations.

2.11 MECHANICAL FASTENERS

A. Pins, anchors: Welded pins, or metal or nylon an chors with galvanized steel-coated or fiber washer, or clips. Pin diamete r shall be as recommended by the insulation manufacturer.

B. Staples: Outward clinching monel or galvanized s teel.

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

D. Bands: 13 mm (0.5 inch) nominal width, brass, ga lvanized steel, aluminum or stainless steel.

2.12 REINFORCEMENT AND FINISHES

A. Glass fabric, open weave: ASTM D1668, Type III ( resin treated) and Type

I (asphalt treated).

B. Glass fiber fitting tape: Mil. Spec MIL-C-20079, Type II, Class 1.

C. Tape for Flexible Elastomeric Cellular Insulatio n: As recommended by the insulation manufacturer.

D. Hexagonal wire netting: 25 mm (one inch) mesh, 0 .85 mm thick (22 gage) galvanized steel.

E. 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 in ch), 0.47 mm thick

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

Kraft paper.

F. PVC fitting cover: Fed. Spec L-P-535, Compositio n A, 11-86 Type II, Grade GU, with Form B Mineral Fiber insert, for med ia temperature 4 degrees C (40 degrees F) to 121 degrees C (250 degr ees F). Below 4 degrees C (40 degrees F) and above 121 degrees C (2 50 degrees F).

Provide double layer insert. Provide color matching vapor barrier pressure sensitive tape.

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2.13 FIRESTOPPING MATERIAL

Other than pipe and duct insulation, refer to Sect ion 07 84 00

FIRESTOPPING.

2.14 FLAME AND SMOKE

Unless shown otherwise all assembled systems shall meet flame spread 25 and smoke developed 50 rating as developed under AS TM, NFPA and UL standards and specifications. See paragraph 1.3 "Qu ality Assurance".

PART 3 - EXECUTION

3.1 GENERAL REQUIREMENTS

A. Required pressure tests of duct and piping joint s and connections shall be completed and the work approved by the COR for a pplication 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, insulate entire specified equipment, piping (pipe, fittings, valves, accessories), and d uct systems.

Insulate each pipe and duct individually. Do not us e scrap pieces of insulation where a full length section will fit.

C. Insulation materials shall be installed in a fir st class manner with smooth and even surfaces, with jackets and facings drawn tight and smoothly cemented down at all laps. Insulation shal l be continuous through all sleeves and openings, except at fire da mpers and duct heaters (NFPA 90A). Vapor retarders shall be contin uous and uninterrupted throughout systems with operating tem perature 16 degrees

C (60 degrees F) and below. Lap and seal vapor ret arder over ends and exposed edges of insulation. Anchors, supports and other metal projections through insulation on cold surfaces sha ll be insulated and vapor sealed for a minimum length of 150 mm (6 inch es).

D. Install vapor stops at all insulation terminatio ns on either side of valves, pumps and equipment and particularly in str aight lengths of pipe insulation.

E. Construct insulation on parts of equipment such as chilled water pumps and heads of chillers, convertors and heat exchange rs that must be opened periodically for maintenance or repair, so i nsulation can be removed and replaced without damage. Install insula tion with bolted 1 mm thick (20 gage) galvanized steel or aluminum cov ers as complete

23 07 11 - 14 units, or in sections, with all necessary supports, and split to coincide with flange/split of the equipment.

F. Insulation on hot piping and equipment shall be terminated square at items not to be insulated, access openings and name plates. Cover all exposed raw insulation with white sealer or jacket material.

G. Protect all insulations outside of buildings wit h aluminum jacket using lock joint or other approved system for a continuou s weather tight system. Access doors and other items requiring mai ntenance or access shall be removable and sealable.

H. HVAC work not to be insulated:

1. Internally insulated ductwork and air handling u nits.

2. Relief air ducts (Economizer cycle exhaust air).

3. Exhaust air ducts and plenums, and ventilation e xhaust air shafts.

4. Equipment: Expansion tanks, flash tanks, hot wat er pumps, steam condensate pumps.

5. In hot piping: Unions, flexible connectors, cont rol valves, PRVs, safety valves and discharge vent piping, vacuum bre akers, thermostatic vent valves, steam traps 3/4 inch and smaller, exposed piping through floor for convectors and radiators. Insulate piping to within approximately 3 inches of uninsulated ite ms.

I. Apply insulation materials subject to the manufa cturer's recommended temperature limits. Apply adhesives, mastic and coa tings at the manufacturer's recommended minimum coverage.

J. Elbows, flanges and other fittings shall be insu lated with the same material as is used on the pipe straights. The elbo w fitting insulation shall be field-fabricated, mitered or factory prefa bricated to the necessary size and shape to fit on the elbow/ fitti ng. Use of polyurethane spray-foam to fill a PVC elbow jacket is prohibited on cold applications.

K. Firestop Pipe and Duct insulation:

1. Provide firestopping insulation at fire and smok e barriers through penetrations. Fire stopping insulation shall be UL listed as defines in Section 07 84 00, FIRESTOPPING.

2. Pipe and duct penetrations requiring fire stop i nsulation including, but not limited to the following:

a. Pipe risers through floors

b. Pipe or duct chase walls and floors

23 07 11 - 15

c. Smoke partitions

d. Fire partitions

N. Freeze protection of above grade outdoor piping (over heat tracing tape): 10 inch thick insulation, for all pipe sizes 3 inches and smaller and 1 inch thick insulation for larger pipe s. Provide metal jackets for all pipes. Provide for cold water make- up to cooling towers and condenser water piping and chilled water piping as described in

Section 23 21 13, HYDRONIC PIPING (electrical heat tracing systems).

O. Provide vapor barrier jackets over insulation as follows:

1. All piping and ductwork exposed to outdoor weath er.

2. All interior piping and ducts conveying fluids e xposed to outdoor air (i.e. in attics, ventilated (not air conditione d) spaces, etc.)

below ambient air temperature in high humidity area s.

P. Provide metal jackets over insulation as follows :

1. All piping and ducts exposed to outdoor weather.

2. Piping exposed in building, within 6 feet of the floor, that connects to sterilizers, kitchen and laundry equipm ent. Jackets may be applied with pop rivets. Provide aluminum angle ring escutcheons at wall, ceiling or floor penetrations.

3. A 2 inch overlap is required at longitudinal and circumferential joints.

3.2 INSULATION INSTALLATION

A. Mineral Fiber Board:

1. Faced board: Apply board on pins spaced not more than 300 mm (12 inches) on center each way, and not less than 75 mm (3 inches) from each edge of board. In addition to pins, apply insu lation bonding adhesive to entire underside of horizontal metal su rfaces. Butt insulation edges tightly and seal all joints with l aps and butt strips. After applying speed clips cut pins off flu sh and apply vapor seal patches over clips.

2. Plain board:

a. Insulation shall be scored, beveled or mitered t o provide tight joints and be secured to equipment with bands space d 225 mm (9 inches) on center for irregular surfaces or with pi ns and clips on flat surfaces. Use corner beads to protect edges of insulation.

23 07 11 - 16

b. For hot equipment: Stretch 25 mm (1 inch) mesh w ire, with edges wire laced together, over insulation and finish wit h insulating and finishing cement applied in one coat, 6 mm (1/4 inch) thick, trowel led to a smooth finish.

c. For cold equipment: Apply meshed glass fabric in a tack coat 1.5 to 1.7 square meter per liter (60 to 70 square feet per gallon) of vapor mastic and finish with mastic at 0.3 to 0. 4 square meter per liter (12 to 15 square feet per gallon) over th e entire fabric surface.

3. 5. Cold equipment: 40 mm (1-1/2inch) thick insul ation faced with

ASJ.

a. Chilled water pumps, water filter, chemical feed er pot or tank.

4. Hot equipment: 40 mm (1-1/2 inch) thick insulati on faced with ASJ.

a. Convertors, air separators, steam condensate pum p receivers.

B. Flexible Mineral Fiber Blanket:

1. Adhere insulation to metal with 75 mm (3 inch) w ide strips of insulation bonding adhesive at 200 mm (8 inches) on center all around duct. Additionally secure insulation to bott om of ducts exceeding 600 mm (24 inches) in width with pins wel ded or adhered on

450 mm (18 inch) centers. Secure washers on pins. B utt insulation edges and seal joints with laps and butt strips. St aples may be used to assist in securing insulation. Seal all vapor re tarder penetrations with mastic. Sagging duct insulation w ill not be acceptable. Install firestop duct insulation where required.

2. Supply air ductwork to be insulated includes mai n and branch ducts from AHU discharge to room supply outlets, and the bodies of ceiling outlets to prevent condensation. Insulate sound att enuator units, coil casings and damper frames. To prevent condensa tion insulate trapeze type supports and angle iron hangers for fl at oval ducts that are in direct contact with metal duct.

3. Concealed supply air ductwork.

a. Above ceilings at a roof level, in attics, and d uct work exposed to outdoor weather: 50 mm (2 inch) thick insulation faced with

FSK.

b. Above ceilings for other than roof level: 40 mm (1 ½ inch) thick insulation faced with FSK.

23 07 11 - 17

C. Molded Mineral Fiber Pipe and Tubing Covering:

1. Fit insulation to pipe or duct, aligning longitu dinal joints. Seal longitudinal joint laps and circumferential butt st rips by rubbing hard with a nylon sealing tool to assure a positive seal. Staples may be used to assist in securing insulation. Seal all vapor retarder penetrations on cold piping with a generou s application of vapor barrier mastic. Provide inserts and install w ith metal insulation shields at outside pipe supports. Instal l freeze protection insulation over heating cable.

2. Contractor's options for fitting, flange and val ve insulation:

a. Insulating and finishing cement for sizes less t han 100 mm (4 inches) operating at surface temperature of 16 degr ees C (61 degrees F) or more.

b. Factory premolded, one piece PVC covers with min eral fiber, (Form

B), inserts. Provide two insert layers for pipe tem peratures below 4 degrees C (40 degrees F), or above 121 degr ees C (250 degrees F). Secure first layer of insulation with t wine. Seal seam edges with vapor barrier mastic and secure wit h fitting tape.

c. Factory molded, ASTM C547 or field mitered secti ons, joined with adhesive or wired in place. For hot piping finish w ith a smoothing coat of finishing cement. For cold fittin gs, 16 degrees

C (60 degrees F) or less, vapor seal with a layer o f glass fitting tape imbedded between two 2 mm (1/16 inch) coats of vapor barrier mastic.

d. Fitting tape shall extend over the adjacent pipe insulation and overlap on itself at least 50 mm (2 inches).

3. Nominal thickness in millimeters and inches spec ified in the schedule at the end of this section.

D. Rigid Cellular Phenolic Foam:

1. Rigid closed cell phenolic insulation may be pro vided for piping, ductwork and equipment for temperatures up to 121 d egrees C (250 degrees F).

2. Note the NFPA 90A burning characteristics requir ements of 25/50 in paragraph 1.3.B

3. Provide secure attachment facilities such as wel ding pins.

23 07 11 - 18

4. Apply insulation with joints tightly drawn toget her

5. Apply adhesives, coverings, neatly finished at f ittings, and valves.

6. Final installation shall be smooth, tight, neatl y finished at all edges .

7. Minimum thickness in millimeters (inches) specif ied in the schedule at the end of this section.

8. Exposed, unlined supply and return ductwork expo sed to outdoor weather: 50 mm (2 inch) thick insulation faced with a multi-layer vapor barrier with a maximum water vapor permeance of 0.00 perms.

9. Condensation control insulation: Minimum 25 mm ( 1.0 inch) thick for all pipe sizes.

a. HVAC: Cooling coil condensation piping to waste piping fixture or drain inlet. Omit insulation on plastic piping in m echanical rooms.

E. Cellular Glass Insulation:

1. Pipe and tubing, covering nominal thickness in m illimeters and inches as specified in the schedule at the end of t his section.

2. Underground Piping Other than or in lieu of that Specified in

Section 23 21 13, HYDRONIC PIPING and Section 33 63 00, STEAM ENERGY

DISTRIBUTION: Type II, factory jacketed with a 3 mm laminate jacketing consisting of 3000 mm x 3000 mm (10 ft x 10 ft) asphalt impregnated glass fabric, bituminous mastic and out side protective plastic film.

a. 75 mm (3 inches) thick for hot water piping.

b. As scheduled at the end of this section for chil led water piping.

c. Underground piping: Apply insulation with joints tightly butted.

Seal longitudinal self-sealing lap. Use field fabri cated or factory made fittings. Seal butt joints and fitting with jacketing as recommended by the insulation manufact urer. Use 100 mm (4 inch) wide strips to seal butt joints.

d. Provide expansion chambers for pipe loops, ancho rs and wall penetrations as recommended by the insulation manuf acturer.

e. Underground insulation shall be inspected and ap proved by the COR as follows:

1) Insulation in place before coating.

2) After coating.

23 07 11 - 19

f. Sand bed and backfill: Minimum 75 mm (3 inches) all around insulated pipe or tank, applied after coating has d ried.

3. Cold equipment: 50 mm (2 inch) thick insulation faced with ASJ for chilled water pumps, water filters, chemical feeder pots or tanks, expansion tanks, air separators and air purgers.

4. Exposed, unlined supply and return ductwork expo sed to outdoor weather: 50 mm (2 inch) thick insulation faced with a reinforcing membrane and two coats of vapor barrier mastic or m ulti-layer vapor barrier with a water vapor permeability of 0.00 per ms.

F. Polyisocyanurate Closed-Cell Rigid Insulation:

1. Polyisocyanurate closed-cell rigid insulation (P IR) may be provided for exterior piping, equipment and ductwork for tem perature up to

149 degree C (300 degree F).

2. Install insulation, vapor barrier and jacketing per manufacturer’s recommendations. Particular attention should be pai d to recommendations for joint staggering, adhesive appl ication, external hanger design, expansion/contraction joint design a nd spacing and vapor barrier integrity.

3. Install insulation with all joints tightly butte d (except expansion) joints in hot applications).

4. If insulation thickness exceeds 63 mm (2.5 inche s), install as a double layer system with longitudinal (lap) and but t joint staggering as recommended by manufacturer.

5. For cold applications, vapor barrier shall be in stalled in a continuous manner. No staples, rivets, screws or an y other attachment device capable of penetrating the vapor barrier shall be used to attach the vapor barrier or jacketing. No w ire ties capable of penetrating the vapor barrier shall be used to h old the insulation in place. Banding shall be used to attac h PVC or metal jacketing.

6. Elbows, flanges and other fittings shall be insu lated with the same material as is used on the pipe straights. The elbo w/ fitting insulation shall be field-fabricated, mitered or fa ctory prefabricated to the necessary size and shape to fi t on the elbow/ fitting. Use of polyurethane spray-foam to fill PVC elbow jacket is prohibited on cold applications.

23 07 11 - 20

7. For cold applications, the vapor barrier on elbo ws/fittings shall be either mastic-fabric-mastic or 2 mil thick PVDC vap or barrier adhesive tape.

8. All PVC and metal jacketing shall be installed s o as to naturally shed water. Joints shall point down and shall be se aled with either adhesive or caulking (except for periodic slip join ts).

9. Underground piping: Follow instructions for abov e ground piping but the vapor retarder jacketing shall be 6 mil thick P VDC or minimum 30 mil thick rubberized bituminous membrane. Sand bed and backfill shall be a minimum of 150 mm (6 inches) all around insulated pipe.

10. Exposed, unlined supply and return ductwork exp osed to outdoor weather: 50 mm (2 inch) thick insulation faced with a multi-layer vapor barrier with a water vapor permeance of 0.00 perms.

11. Note the NFPA 90A burning characteristic requir ements of 25/50 in paragraph 1.3B. Refer to paragraph 3.1 for items no t to be insulated.

12. Minimum thickness in millimeter (inches) specif ied in the schedule at the end of this section.

G. Flexible Elastomeric Cellular Thermal Insulation :

1. Apply insulation and fabricate fittings in accor dance with the manufacturer's installation instructions and finish with two coats of weather resistant finish as recommended by the i nsulation manufacturer.

2. Pipe and tubing insulation:

a. Use proper size material. Do not stretch or stra in insulation.

b. To avoid undue compression of insulation, provid e cork stoppers or wood inserts at supports as recommended by the i nsulation manufacturer. Insulation shields are specified unde r Section

23 05 11, COMMON WORK RESULTS FOR.

c. Where possible, slip insulation over the pipe or tubing prior to connection, and seal the butt joints with adhesive. Where the slip-on technique is not possible, slit the insulat ion and apply it to the pipe sealing the seam and joints with con tact adhesive.

Optional tape sealing, as recommended by the manufa cturer, may be employed. Make changes from mineral fiber insulatio n in a straight run of pipe, not at a fitting. Seal joint with tape.

23 07 11 - 21

3. Apply sheet insulation to flat or large curved s urfaces with 100 percent adhesive coverage. For fittings and large p ipe, apply adhesive to seams only.

4. Pipe insulation: nominal thickness in millimeter s (inches as specified in the schedule at the end of this sectio n.

5. Minimum 20 mm (0.75 inch) thick insulation for p neumatic control lines for a minimum distance of 6 m (20 feet) from discharge side of the refrigerated dryer.

6. Use Class S (Sheet), 20 mm (3/4 inch) thick for the following:

a. Chilled water pumps

b. Bottom and sides of metal basins for winterized cooling towers

(where basin water is heated).

c. Chillers, insulate any cold chiller surfaces sub ject to condensation which has not been factory insulated.

d. Piping inside refrigerators and freezers: Provid e heat tape under insulation.

7. Exposed, unlined supply and return ductwork expo sed to outdoor weather: 50 mm (2 inch) thick insulation faced with a multi-layer vapor barrier with a water vapor permeance of 0.00 perms.

I. Calcium Silicate:

1. Minimum thickness in millimeter (inches) specifi ed in the schedule at the end of this section for piping other than in boiler plant.

See paragraphs 3.3 through 3.7 for Boiler Plant App lications.

2. Engine Exhaust Insulation for Emergency Generato r and Diesel Driven

Fire Pump: Type II, Class D, 65 mm (2 1/2 inch) nom inal thickness.

Cover exhaust completely from engine through roof o r wall construction, including muffler. Secure with 16 AW G galvanized annealed wire or 0.38 x 12 mm 0.015 x 1/2 IN wide g alvanized bands on 300 mm 12 IN maximum centers. Anchor wire and b ands to welded pins, clips or angles. Apply 25 mm 1 IN hex galvan ized wire over insulation. Fill voids with 6 mm 1/4 IN insulating cement.

3. ETO Exhaust (High Temperature): Type II, class D , 65 mm (2.5 inches) nominal thickness. Cover duct for entire length. Pr ovide sheet aluminum jacket for all exterior ductwork.

3.3 APPLICATION –BOILER PLANT, PIPE, VALVES, STRAIN ERS AND FITTINGS:

A. Temperature range 120 to 230 degrees C (251 to 4 50 degrees F);

23 07 11 - 22

1. Application; Steam service 110 kpa (16 psig nomi nal) and higher, high pressure condensate to trap assembly, boiler b ottom blowoff from boiler to blowoff valve closest to boiler.

2. Insulation and Jacket:

a. Calcium silicate for piping from zero to 1800 mm (6 feet) above boiler room floor, feedwater heater mezzanine floor or access platform and any floors or platforms on which tanks or pumps are located.

b. Mineral fiber for remaining locations.

c. ASJ with PVC premolded fitting coverings.

3. Thickness:

Nominal Thickness Of Calcium Silicate Insulation

(Boiler Plant)

Pipe Diameter mm

(in)

Insulation Thickness mm

(in)

25 (1 and below) 125 (5)

25 to 38 (1-1/4 to 1-

1/2)

125 (5)

38 (1-1/2) and above 150 (6)

B. Temperature range 100 to 121 degrees C (211 to 2 50 degrees F):

1. Application: Steam service 103 kpa (15 psig) and below, trap assembly discharge piping, boiler feedwater from fe edwater heater to boiler feed pump recirculation, feedwater heater ov erflow, heated oil from oil heater to burners.

2. Insulation and Jacket:

a. Calcium silicate for piping from zero to 1800 mm (0 to 6 feet) above boiler room floor, feedwater heater mezzanine floor and access platform, and any floors or access platforms on which tanks or pumps are located.

b. Mineral Fiber or rigid closed cell phenolic foam for remaining locations.

c. ASJ with PVC premolded fitting coverings.

d. Aluminum jacket from zero to 1800 mm (6 feet) ab ove floor on condensate lines at boilers and burners.

3. Thickness-calcium silicate and mineral fiber ins ulation:

23 07 11 - 23

Nominal Thickness Of Insulation

Pipe Diameter mm (in) Insulation Thickness mm (in)

25 (1 and below) 50 (2)

25 to 38 (1-1/4 to 1-

1/2)

50 (2)

38 (1-1/2) and above 75 (3)

4. Thickness-rigid closed-cell phenolic foam insula tion:

Pipe Diameter mm (in) Insulation Thickness mm (in)

25 (1 and below) 38 (1.5)

25 to 38 (1-1/4 to 1-

1/2)

38 (1.5)

38 (1-1/2) and above 75(3)

C. Temperature range 32 to 99 degrees C (90 to 211 degrees F):

1. Application: Pumped condensate, vacuum heating r eturn, gravity and pumped heating returns, condensate transfer, conden sate transfer pump recirculation, heated oil system to heaters an d returns from burners, condensate return from convertors and heat ed water storage tanks.

2. Insulation Jacket:

a. Calcium silicate for piping from zero to 1800 mm (six feet above boiler room floor, feedwater heater mezzanine floor and access platform and any floor or access platform on which tanks or pumps are located.

b. Mineral fiber or rigid closed-cell phenolic foam for remaining locations.

c. ASJ with PVC premolded fitting coverings.

3. Thickness-calcium silicate and mineral fiber ins ulation:

23 07 11 - 24

Pipe Diameter mm (in) Insulation Thickness mm (in)

25 (1 and below) 38 (1.5)

25 to 38 (1-1/4 to 1-1/2) 50(2)

38 (1-1/2) and above 75 (3)

4. Thickness-rigid closed-cell phenolic foam insula tion:

Pipe Diameter mm (in) Insulation Thickness mm (in)

25 (1 and below) 19 (0.75)

25 to 38 (1-1/4 to 1-1/2) 19 (0.75)

38 (1-1/2) and above 25 (1)

D. Protective insulation to prevent personnel injury:

1. Application: Piping from zero to 1800 mm (6 feet ) above all floors and access platforms including continuous blowoff, feedwater and boiler water sample, blowoff tank vent, flash tank vents and condensater tank vent, shot-type chemical feed, fir e tube boiler bottom blowoff after valves, valve by-passes.

2. Insulation thickness: 25 mm (1 inch).

3. Insulation and jacket: Calcium silicate with ASJ except provide aluminum jacket on piping at boilers within 1800 mm (6 feet) of floor. Use PVC premolded fitting coverings when all service jacket is utilized.

E. Installation:

1. At pipe supports, weld pipe covering protection saddles to pipe, except where MS-SP58, type 3 pipe clamps are utiliz ed.

2. Insulation shall be firmly applied, joints butte d tightly, mechanically fastened by stainless steel wires on 3 00 mm (12 inch) centers.

3. At support points, fill and thoroughly pack spac e between pipe covering protective saddle bearing area.

4. Terminate insulation and jacket hard and tight a t anchor points.

5. Terminate insulation at piping facilities not in sulated with a 45 degree chamfered section of insulating and finishin g cement covered with jacket.

23 07 11 - 25

6. On calcium silicate, mineral fiber and rigid clo sed-cell phenolic foam systems, insulated flanged fittings, strainers and valves with sections of pipe insulation cut, fitted and arrange d neatly and firmly wired in place. Fill all cracks, voids and c oat outer surface with insulating cement. Install jacket. Provide sim ilar construction on welded and threaded fittings on calcium silicate systems or use premolded fitting insulation.

7. On mineral fiber systems, insulate welded and th readed fittings more than 50 mm (2 inches) in diameter with compressed b lanket insulation

(minimum 2/1) and finish with jacket or PVC cover.

8. Insulate fittings 50 mm (2 inches) and smaller w ith mastic finishing material and cover with jacket.

9. Insulate valve bonnet up to valve side of bonnet flange to permit bonnet flange removal without disturbing insulation .

10. Install jacket smooth, tight and neatly finish all edges. Over wrap

ASJ butt strips by 50 percent. Secure aluminum jack et with stainless steel bands 300 mm (12 inches) on center or aluminu m screws on 200 mm (4 inch) centers.

11. Do not insulate basket removal flanges on strai ners.

3.7 COMMISSIONING

A. Provide commissioning documentation in accordanc e with the requirements of section 23 08 00 – COMMISSIONING OF HVAC SYSTEMS for all inspection, start up, and contractor testing required above and required by the

System Readiness Checklist provided by the Commissi oning Agent.

B. Components provided under this section of the sp ecification will be tested as part of a larger system. Refer to sectio n 23 08 00 –

COMMISSIONING OF HVAC SYSTEMS and related sections for contractor responsibilities for system commissioning.

3.8 PIPE INSULATION SCHEDULE

Provide insulation for piping systems as scheduled below:

Insulation Thickness Millimeters (Inches)

Nominal Pipe Size Millimeters (Inches)

Operating Temperature Range/Service

Insulation Material

Less than

25 (1)

25 – 32 (1 – 1¼)

38 – 75

(1½ - 3)

100 (4) and Above

23 07 11 - 26

122-177 degrees C (251-350 degrees F)

(HPS, MPS)

Mineral Fiber (Above ground piping only)

75 (3) 100 (4) 113 (4.5) 113 (4.5)

93-260 degrees C (200-500 degrees F)

(HPS, HPR)

Calcium Silicate

100 (4) 125 (5) 150 (6) 150 (6)

100-121 degrees C (212-250 degrees F)

(HPR, MPR, LPS, vent piping from PRV Safety Valves, Condensate receivers and flash tanks)

Mineral Fiber (Above ground piping only)

(2.5)

62 (2.5) 75 (3.0) 75 (3.0)

100-121 degrees C (212-250 degrees F)

(HPR, MPR, LPS, vent piping from PRV Safety Valves, Condensate receivers and flash tanks)

Rigid Cellular Phenolic Foam

(2.0)

50 (2.0) 75 (3.0) 75 (3.0)

38-94 degrees C (100-200 degrees F)

(LPR, PC, HWH, HW HR,

GH and GHR)

Mineral Fiber (Above ground piping only)

(1.5)

38 (1.5) 50 (2.0) 50 (2.0)

38-99 degrees C

(100-211 degrees F)

(LPR, PC, HWH, HWHR,

GH and GHR)

Rigid Cellular Phenolic Foam

(1.5)

38 (1.5) 50 (2.0) 50 (2.0)

39-99 degrees C (100-211 degrees F)

(LPR, PC, HWH, HWHR,

GH and GHR)

Polyiso-cyanurate Closed-Cell Rigid (Exterior Locations only)

(1.5)

38 (1.5) ---- ----

38-94 degrees C (100-200 degrees F)

(LPR, PC, HWH, HWHR,

GH and GHR)

Flexible Elastomeric Cellular Thermal (Above ground piping

(1.5)

38 (1.5) ---- ----

23 07 11 - 27 only)

4-16 degrees C

(40-60 degrees F)

(CH, CHR, GC, GCR

and RS for DX refrigeration)

Rigid Cellular Phenolic Foam

(1.5)

38 (1.5) 38 (1.5) 38 (1.5)

4-16 degrees C

(40-60 degrees F)

(CH and CHR within chiller room and pipe chase and underground)

Cellular Glass Closed- Cell

(2.0)

50 (2.0) 75 (3.0) 75 (3.0)

4-16 degrees C

(40-60 degrees F)

(CH, CHR, GC, GCR

and RS for DX refrigeration)

Cellular Glass Closed- Cell

(1.5)

38 (1.5) 38 (1.5) 38 (1.5)

4-16 degrees C

(40-60 degrees F)

(CH, CHR, GC and GCR (where underground)

Polyiso-cyanurate Closed-Cell Rigid

(1.5)

38 (1.5) 50 (2.0) 50 (2.0)

4-16 degrees C

(40-60 degrees F)

(CH, CHR, GC, GCR

and RS for DX refrigeration)

Polyiso-cyanurate Closed-Cell Rigid (Exterior Locations only)

38 (1.5) 38 (1.5) 38 (1.5)

(40-60 degrees F)

(CH, CHR, GC, GCR

and RS for DX…