PART 1 GENERAL 1.01 QUALITY ASSURANCE SECTION 23 0700 HVAC INSULATION A. FIRE-TEST-RESPONSE CHARACTERISTICS: FLAME-SPREAD INDEX OF 25, AND SMOKE- DEVELOPED INDEX OF 50 FOR INSULATION INSTALLED INDOORS 75, AND SMOKE-DEVELOPED INDEX OF 150 FOR INSULATION INSTALLED OUTDOORS; ACCORDING TO ASTM E 84. B. Duct insulation in the air stream shall be kept at a minimum to prevent fibrous material or other foreign objects out of the air stream. C. Design Guidelines 1. Insulate duct services for indoor concealed, exposed and outdoor conceal and exposed air. D. Samples of each type of duct, equipment, and pipe insulation and finish. 1.02 FIELD QUALITY CONTROL A. Field Inspections: By Contractor-engaged agency. 1.03 BOILER BREECHING INSULATION SCHEDULE A. Round, Exposed Breeching and Connector Insulation: high-temperature mineral- fiber blanket. B. Round, Concealed Breeching and Connector Insulation: Calcium silicate. C. Rectangular, Exposed Breeching and Connector Insulation: high-temperature mineral-fiber board. D. Rectangular, Concealed Breeching and Connector Insulation Calcium silicate. 1.04 DUCT INSULATION SCHEDULE, GENERAL A. Plenums and Ducts Requiring Insulation: 1. Indoor, concealed supply and outdoor air. 2. Indoor, exposed supply and outdoor air. 3. Indoor, concealed return located in nonconditioned space. 4. Indoor, exposed return located in nonconditioned space. 5. Indoor, concealed, Type I, commercial, kitchen hood exhaust. 6. Indoor, exposed, Type I, commercial, kitchen hood exhaust. 7. Indoor, concealed oven and warewash exhaust. 8. Indoor, exposed oven and warewash exhaust. 9. Indoor, concealed exhaust between isolation damper and penetration of building exterior. 10. Indoor, exposed exhaust between isolation damper and penetration of building exterior. 11. Outdoor, concealed supply and return. 12. Outdoor, exposed supply and return. B. Items Not Insulated: 1. Fibrous-glass ducts. 2. Metal ducts with duct liner of sufficient thickness to comply with energy code and ASHRAE/IESNA 90.1. 3. Factory-insulated flexible ducts. 4. Factory-insulated plenums and casings. 5. Flexible connectors. 6. Vibration-control devices. 7. Factory-insulated access panels and doors. 1.05 DUCT AND PLENUM INSULATION SCHEDULE A. Concealed, Round and Flat-Oval, Supply-Air Duct Insulation: mineral-fiber blanket. B. Concealed, Round and Flat-Oval, Return-Air Duct Insulation: 11822 / Newcomb Academy 23 0700-1 HVAC INSULATION
C. Concealed, Round and Flat-Oval, Outdoor-Air Duct Insulation: None D. Concealed, Round and Flat-Oval, Exhaust-Air Duct Insulation: None E. Concealed, Rectangular, Supply-Air Duct Insulation: mineral-fiber blanket. F. Concealed, Rectangular, Return-Air Duct Insulation: None. G. Concealed, Rectangular, Outdoor-Air Duct Insulation: None. H. Concealed, Rectangular, Exhaust-Air Duct Insulation: None. I. Concealed, Type I, Commercial, Kitchen Hood Exhaust Duct and Plenum Insulation: Fire-rated blanket; thickness as required to achieve 2-hour fire rating. J. Concealed, Supply-Air Plenum Insulation: Min 1 thick R-8 Duct Liner K. Concealed, Return-Air Plenum Insulation: Min 1 thick R-8 Duct Liner L. Concealed, Outdoor-Air Plenum Insulation: Min 1 thick R-8 Duct Liner M. Concealed, Exhaust-Air Plenum Insulation: None. N. Exposed, Round and Flat-Oval, Supply-Air Duct Insulation: Min 1 thick R-8 Duct Liner O. Exposed, Round and Flat-Oval, Return-Air Duct Insulation: None P. Exposed, Round and Flat-Oval, Outdoor-Air Duct Insulation: None Q. Exposed, Round and Flat-Oval, Exhaust-Air Duct Insulation: None R. Exposed, Rectangular, Supply-Air Duct Insulation: Min 1 thick R-8 Duct Liner S. Exposed, Rectangular, Return-Air Duct Insulation: None T. Exposed, Rectangular, Outdoor-Air Duct Insulation: U. Exposed, Rectangular, Exhaust-Air Duct Insulation: None V. Exposed, Type I, Commercial, Kitchen Hood Exhaust Duct and Plenum W. Insulation: Fire-rated blanket; thickness as required to achieve 2-hour fire rating. W. Exposed, Supply-Air Plenum Insulation: Min 1 thick R-8 Duct Liner X. Exposed, Return-Air Plenum Insulation: Min 1 thick R-8 Duct Liner Y. Exposed, Outdoor-Air Plenum Insulation: Min 1 thick R-8 Duct Liner Z. Exposed, Exhaust-Air Plenum Insulation: None 1.06 EQUIPMENT INSULATION SCHEDULE A. Chillers: Cellular glass, mineral-fiber pipe and tank, or polyolefin. B. Heat-Exchanger (Water-to-Water for Cooling Service) Insulation: Cellular glass, mineral-fiber pipe and tank, or polyolefin. C. Heat-Exchanger (Water-to-Water for Heating Service) Insulation: Cellular glass, mineral-fiber pipe and tank, or polyolefin. D. Steam-to-Hot-Water Converter Insulation: Cellular glass, mineral-fiber pipe and tank, or polyolefin. E. Chilled-Water Pump Insulation: Cellular glass mineral-fiber board phenolic or polyisocyanurate. F. Condenser-Water Pump Insulation: None. G. Heating-Hot-Water Pump Insulation: Calcium silicate, cellular glass, or mineral- fiber board. H. Expansion/Compression Tank Insulation: Cellular glass, mineral-fiber board, or mineral-fiber pipe and tank. I. Air-Separator Insulation: Cellular glass, mineral-fiber board, or mineral-fiber pipe and tank. J. Thermal Storage Tank (Brine, Water, Ice) Insulation: Cellular glass, mineral-fiber board, or mineral-fiber pipe and tank. K. Deaerator Insulation: Cellular glass, mineral-fiber board, or mineral-fiber pipe and tank. 11822 / Newcomb Academy 23 0700-2 HVAC INSULATION
L. Steam Condensate Tank and Receiver Insulation: Cellular glass, mineral-fiber board, or mineral-fiber pipe and tank. M. Steam Flash-Tank, Flash-Separator, and Blow-Off-Tank Insulation: Cellular glass, mineral-fiber board, or mineral-fiber pipe and tank. N. Piping System Filter-Housing Insulation: Cellular glass, mineral-fiber board, or mineral-fiber pipe and tank. 1.07 PIPING INSULATION SCHEDULE A. Condensate and Equipment Drain Water below 60 Deg F: flexible elastomeric. B. Chilled Water and Brine, 40 Deg F and below: Mineral-fiber, preformed pipe, Type I or mineral fiber, pipe insulation wicking system. C. Chilled Water and Brine, above 40 Deg F: Mineral-fiber, preformed pipe, Type I or mineral fiber, pipe insulation wicking system. D. Condenser-Water Supply and Return: None E. Heating-Hot-Water Supply and Return, 200 Deg F and below: mineral-fiber, preformed pipe, Type I. F. Heating-Hot-Water Supply and Return, above 200 Deg F: mineral-fiber, preformed pipe, Type I. G. Steam and Steam Condensate, 350 Deg F and below: mineral-fiber pipe insulation, Type I or II. H. Steam and Steam Condensate, above 350 Deg F: Calcium silicate, cellular glass, or mineral-fiber, preformed pipe, Type I or II. I. Refrigerant Suction and Hot-Gas Piping: flexible elastomeric. J. Refrigerant Suction and Hot-Gas Flexible Tubing: Flexible elastomeric. K. Hot Service Drains: Calcium silicate, cellular glass, or mineral-fiber, preformed pipe, Type I or II. L. Hot Service Vents: Calcium silicate, cellular glass, or mineral-fiber, preformed pipe, Type I or II. 1.08 OUTDOOR, UNDERGROUND PIPING INSULATION SCHEDULE A. A cellular glass thermal insulation in compliance with ASTM C552. 1.09 INDOOR, FIELD-APPLIED JACKET SCHEDULE A. Equipment, Exposed, up to 48 Inches in Diameter or with Flat Surfaces up to 72 Inches: PVC, color-coded by system. B. Equipment, Exposed, Larger Than 48 Inches in Diameter or with Flat Surfaces Larger Than 72 Inches: Aluminum. C. Piping, Concealed: PVC. D. Piping, Exposed: PVC. 1.10 OUTDOOR, FIELD-APPLIED JACKET SCHEDULE A. Ducts and Plenums, Exposed, up to 48 Inches in Diameter or with Flat Surfaces up to 72 Inches: Aluminum B. Ducts and Plenums, Exposed, Larger Than 48 Inches in Diameter or with Flat Surfaces Larger Than 72 Inches: Aluminum C. Equipment, Exposed, up to 48 Inches in Diameter or with Flat Surfaces up to 72 Inches: Aluminum. D. Equipment, Exposed, Larger Than 48 Inches in Diameter or with Flat Surfaces E. Larger Than 72 Inches: Aluminum. F. Piping, Concealed: PVC. 11822 / Newcomb Academy 23 0700-3 HVAC INSULATION
G. Piping, Exposed: Aluminum. 1.11 UNDERGROUND, FIELD-INSTALLED INSULATION JACKET PART 2 A. For underground direct-buried piping applications, install underground direct- buried jacket over insulation material. PRODUCTS 2.01 PRODUCTS THAT COME IN CONTACT WITH STAINLESS STEEL SHALL HAVE A LEACHABLE CHLORIDE CONTENT OF LESS THAN 50 PPM WHEN TESTED ACCORDING TO ASTM C 871. 2.02 FOAM INSULATION MATERIALS SHALL NOT USE CFC OR HCFC BLOWING AGENTS IN THE MANUFACTURING PROCESS. A. 1. Adhesive shall comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers." For indoor applications, adhesive shall have a VOC content of 50 g/l or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24). 2.03 FIRE-RATED INSULATION SYSTEMS: ASJ ADHESIVE, AND FSK JACKET ADHESIVE: COMPLY WITH A. MIL-A-3316C, Class 2, Grade A for bonding insulation jacket lap seams and joints. 1. 1. Products: a. a. Childers Brand, Specialty Construction Brands, Inc., a business of 1) H. B. Fuller Company; CP-82. 2) b. Eagle Bridges - Marathon Industries; 225. 3) c. Foster Brand, Specialty Construction Brands, Inc., a business of H. 4) B. Fuller Company; 85-50. 5) d. Mon-Eco Industries, Inc.; 22-25. D. PVC Jacket Adhesive: Compatible with PVC jacket 2.04 MASTICS A. 1. Products: 1. a. Dow Corning Corporation; 739, Dow Silicone 2. b. Johns Manville; Zeston Perma-Weld, CEEL-TITE Solvent Welding 3. Adhesive. 4. c. P.I.C. Plastics, Inc.; Welding Adhesive 5. d. Speedline Corporation; Polyco VP Adhesive. B. 1. Materials shall be compatible with insulation materials, jackets, and substrates; comply with MIL-PRF-19565C, Type II. C. 2. Vapor-Barrier Mastic: Water based; suitable for indoor use on below ambient services. 2.05 FACTORY-APPLIED JACKETS A. 1. ASJ: White, Kraft-paper, fiberglass-reinforced scrim with aluminum- foil backing; complying with ASTM C 1136, Type I. B. 2. ASJ-SSL: ASJ with self-sealing, pressure-sensitive, acrylic-based adhesive covered by a removable protective strip; complying with ASTM C 1136, Type I. C. 3. FSK Jacket: Aluminum-foil, fiberglass-reinforced scrim with Kraft- paper backing; complying with ASTM C 1136, Type II. D. 4. FSP Jacket: Aluminum-foil, fiberglass-reinforced scrim with polyethylene backing; complying with ASTM C 1136, Type II. E. 5. Vinyl Jacket: White vinyl with a permeance of 1.3 perms (0.86 metric perm) when tested according to ASTM E 96/E 96M, Procedure A, and complying with NFPA 90A and NFPA 90B. 11822 / Newcomb Academy 23 0700-4 HVAC INSULATION
2.06 FIELD-APPLIED JACKETS A. 1. Field-applied jackets shall comply with ASTM C 921, Type I. B. 2. FSK Jacket: Aluminum-foil-face, fiberglass-reinforced scrim with Kraft-paper backing. C. 3. PVC Jacket: High-impact-resistant, UV-resistant PVC complying with ASTM D 1784, Class 16354-C. D. 4. Aluminum Jacket: Comply with ASTM B 209 (ASTM B 209M), Alloy 3003, 3005, 3105, or 5005, Temper H-14. E. 5. Moisture Barrier for Indoor Applications: 1-mil- (0.025-mm-) thick, heat-bonded polyethylene and Kraft paper. F. 6. Moisture Barrier for Outdoor Applications: 3-mil- (0.075-mm-) thick, heat-bonded polyethylene and Kraft paper. G. 7. Self-Adhesive Outdoor Jacket: 60-mil- (1.5-mm-) thick, laminated vapor barrier and waterproofing membrane for installation over insulation located aboveground outdoors; consisting of a rubberized bituminous resin on a cross-laminated polyethylene film covered with white. 2.07 HVAC EQUIPMENT INSULATION A. Insulate the following HVAC Equipment: 1. Heat Exchangers. 2. Chilled-water pumps. 3. Dual-service heating and cooling pumps. 4. Heating, hot-water pumps. 5. Expansion/compression tanks. 6. Air Separators. B. Insulation Types 1. Foam Insulation: Cellular Glass, Foamed or Cellulated 2. Flexible Elastomeric Insulation 3. Mineral-Fiber Blanket Insulation 4. Mineral-Fiber Board 5. Polyolefin 6. Polystyrene C. B. Insulation Materials 1. Products that come in contact with stainless steel shall have a leachable chloride content of less than 50 ppm when tested according to ASTM C 871. 2. Foam insulation materials shall not use CFC or HCFC blowing agents in the manufacturing process. 3. Cellular Glass: Inorganic, incombustible, foamed or cellulated glass with annealed, rigid, hermetically sealed cells. a. Block Insulation: ASTM C 552, Type I. b. Special-Shaped Insulation: ASTM C 552, Type III. c. Board Insulation: ASTM C 552, Type IV. d. Factory fabricated shapes according to ASTM C 450 and ASTM C 585. 4. Flexible Elastomeric Insulation: Closed-cell, sponge- or expanded- rubber materials. Comply with ASTM C 534, Type I for tubular materials and Type II for sheet materials. 5. Mineral-Fiber Blanket Insulation: Mineral or glass fibers bonded with a thermosetting resin. Comply with ASTM C 553, Type II and ASTM C 1290, Type I. 6. High-Temperature, Mineral-Fiber Blanket Insulation: Mineral or glass fibers bonded with a thermosetting resin. Comply with ASTM C 553, Type V, without factory-applied jacket. 7. Mineral-Fiber Board Insulation: Mineral or glass fibers bonded with a thermosetting resin. Comply with ASTM C 612, Type IA or Type IB. 8. High-Temperature, Mineral-Fiber Board Insulation: Mineral or glass fibers bonded with a thermosetting resin. Comply with ASTM C 612, Type III, without factory-applied jacket. 11822 / Newcomb Academy 23 0700-5 HVAC INSULATION
9. Mineral-Fiber, Pipe and Tank Insulation: Mineral or glass fibers bonded with a thermosetting resin. Semi-rigid board material with factory-applied FSK jacket complying with ASTM C 1393, Type II or Type IIIA Category 2, or with properties similar to ASTM C 612, Type IB. 10. Polyolefin: Unicellular, polyethylene thermal plastic insulation. Comply with ASTM C 534 or ASTM C 1427, Type I, Grade 1 for tubular materials and Type II, Grade 1 for sheet materials. 11. Polystyrene: Rigid, extruded cellular polystyrene intended for use as thermal insulation. Comply with ASTM C 578, Type IV or Type XIII. 2.08 HVAC PIPING INSULATION A. Products that come in contact with stainless steel shall have a leachable chloride content of less than 50 ppm when tested according to ASTM C 871. B. Foam insulation materials shall not use CFC or HCFC blowing agents in the manufacturing process. C. Insulate the following HVAC piping systems: 1. 1. Chilled-water, glycol, and brine piping, indoors and outdoors. 2. 2. Heating hot-water piping, indoors and outdoors. 3. 3. Refrigerant suction and hot-gas piping, indoors and outdoors. 4. 4. Dual-service heating and cooling piping, indoors and outdoors. D. Insulation Materials 1. 1. Flexible Elastomeric Insulation: Closed-cell, sponge- or expanded- rubber materials. Comply with ASTM C 534, Type I for tubular materials. 2. 2. Mineral-Fiber Blanket Insulation: Mineral or glass fibers bonded with a thermosetting resin. Comply with ASTM C 1290, Type I. 3. 3. Mineral-Fiber, Preformed Pipe Insulation: a. a. Type I, 850 degrees F (454 degrees C) Materials b. b. Type II, 1200 degrees F (649 degrees C) Materials E. Underground, Field-Installed Insulation Jacket 1. For underground direct-buried piping applications, install underground direct-buried jacket over insulation material. 2.09 MANUFACTURERS A. Pittsburg Corning Foamglass B. Owens Corning C. Knauf Insulation END OF SECTION 11822 / Newcomb Academy 23 0700-6 HVAC INSULATION