1、m 3515789 OLI,XW 240 m DEPARTMENT OF THE ARMY CEAGS-15250C (July 1990) U.S. ARMY CORPS OF ENGINEERS ABRIDGED GUIDE SPECIFICATION FOR MILITARY CONSTRUCTION Includes note relocation Special change (November 1995) Includes Text Adjustment Change 1 (April 1996) Includes changes through Notice 8 (May 199
2、6) Latest Notice change indicated by R 1990) Calcium Silicate Block and Pipe Thermal Insulation Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3535789 Ob33548 387 ASTM C 534 (1994) Preformed Flexible Elastomeric Cellular Thermal Insulation in Sheet
3、and Tubular Form ASTM C 552 (1991) Cellular Glass Thermal Insulation ASTM C 553 ASTM C 612 ASTM C 647 ASTM C 795 ASTM C 916 (1992) Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications (1993) Mineral Fiber Block and Board Thermal Insulation R 1990) Rev Apr 1994) Test fo
4、r Surface Burning Characteristics of Building Materials 1.2 SYSTEM DESCRIPTION Field-applied insulation and accessories shall be as specified herein; factory-applied insulation is specified under the equipment to be insulated. Government furnished items as listed in the SPECIAL CONTRACT REQUIREMENTS
5、 shall be furnished and installed by the Contractor. Field applied insulation materials required for use on Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3535789 Ob33549 O33 1.3 GENERAL QUALITY CONTROL 1.3.1 Standard Products Materials shall be the
6、 standard products of manufacturers regularly engaged in the manufacture of such products and shall essentially duplicate items that have been in satisfactory use for at least 2 years prior to bid opening. 1.3.2 Installerls Qualifications Qualified installers shall have successfully completed three
7、or more similar type jobs within the last 5 years. 1.3.3 Surface Burning Characteristics Unless otherwise specified, insulation not covered with a jacket shall have a flame spread rating no higher than 75 and a smoke developed rating no higher than 150. The outside surface of insulation systems whic
8、h are located in air plenums, in ceiling spaces, and in attic spaces shall have a flame spread rating no higher than 25 and a smoke developed rating no higher than 50. perimeter are not required to be fire-rated. developed ratings shall be determined by ASTM E 84. Insulation shall be tested in the s
9、ame density and installed thickness as the material that shall be used in the actual construction. Jackets shall comply with the flame spread and smoke developed ratings required by ASTM C 921. Insulation materials located exterior to the building Flame spread and smoke 1.3.4 Identification of Mater
10、ials Packages or standard containers of insulation, jacket material, cements, adhesives, and coatings delivered for use, and all samples required for approval shall have manufacturers stamp or label attached giving the name of the manufacturer and brand, and a description of the material. After appr
11、oval of materials and prior to insulating any equipment, a booklet shall be prepared and submitted for approval which contains marked-up MICA-O1 plates or detail drawings showing the insulation material and insulating system for each type of equipment which is required to be insulated per paragraph
12、EQUIPMENT INSULATION INSTALLATION. The MICA plates shall be marked-up showing the materials to be installed in accordance with the requirements of this specification for the specific insulation application. The Contractor shall submit MICA plates required to show the entire insulating system, includ
13、ing plates required to show insulation penetrations, vessel bottom and top heads, legs, and skirt insulation as applicable. drawings instead of marked-up MICA plates, the detail drawings shall show cut-away, section views, and details indicating each component of the insulation system and showing pr
14、ovisions for insulating jacketing, and sealing all portions of the equipment. a description of each material type with all materials and insulating systems, in accordance with this specification. Each material and insulating system that is used shall be identified by indicating the specification req
15、uirement for the material, and the material by each manufacturer that is intended to meet the requirement. Three copies of the booklet shall be submitted at the jobsite to the Contracting Officer. copy of the approved booklet shall remain with the display sample and two copies shall be provided for
16、Government use. If the Contractor elects to submit detailed The drawings shall be labeled with One Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-m 3515789 0633550 835 m 1.4 SUBMITTALS Government approval is required for submittals with a IIGA“ desi
17、gnation; submittals having an “FIO“ designation are for information only. following shall be submitted in accordance with Section 01300 SUBMITTAL PROCEDURES : The SD-O1 Data Thermal Insulation Materials; 3- A complete list of materials, including manufacturerls descriptive and technical literature,
18、performance data, catalog cuts, and installation instructions. Materials furnished under this section of the specification shall be submitted at one time. A schedule indicating the product number, k-value, thickness and furnished accessories for each mechanical system requiring insulation shall be i
19、ncluded. 1.5 STORAGE Materials shall be delivered in the manufacturers unopened containers and protected from damage. PART 2 PRODUCTS 2.1 GENERAL MATERIALS Materials shall be compatible and shall not contribute to corrosion, soften, or otherwise attack surfaces to which applied in either the wet or
20、dry state. ASTM C 795 requirements. manufacturers unopened containers until actual use and shall not be transferred to any other containers. and conform to the following: Materials to be used on stainless steel surfaces shall meet Materials shall remain in the Materials shall be asbestos free 2.1.1
21、Adhesives 2.1.1.1 Acoustical Lining Insulation Adhesive Insulation shall be applied in cut-to-size pieces attached to the interior of the duct with a nonfalmmable, fire-resistant adhesive conforming to ASTM C 916, Type I, NFPA 90A, UL 723, and ASTM E 84. Exposed edges of the liner at the duct ends a
22、nd at other joints where the lining will be subject to erosion shall be coated with a heavy brush coat of the nonflammable, fire-resistant adhesive to prevent delamination of glass fibers. 2.1.1.2 Mineral Fiber Insulation Cement Cement shall be in accordance with ASTM C 195. 2.1.1.3 Lagging Adhesive
23、 Lagging adhesives shall be nonflammable, fire-resistant in accordance with NFPA 90A, UL 723, and ASTM E 84. Adhesives shall be either the Class 1 or Class 2 type. Class 1 adhesive shall be pigmented white red and be suitable for bonding fibrous glass cloth to faced and unfaced fibrous glass insulat
24、ion board; for bonding cotton brattice cloth to faced Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3515789 Ob13551 771 W and unfaced fibrous glass insulation board; for sealing edges of and bounding fibrous glass tape to joints of fibrous glass bo
25、ard; or for bonding lagging cloth to thermal insulation. pigmented white and be suitable for attaching fibrous glass insulation to metal surfaces. with the manufacturers recommendations. Class 2 adhesive shall be Lagging adhesives shall be applied in strict accordance 2.1.2 Contact Adhesive Adhesive
26、 may be dispersed in a nonhalogenated organic solvent with a low flash point (flash point plus or minus 3.9 degrees C (25 degrees F) or, dispersed in a nonflammable organic solvent which shall not have a fire point below 93.3 degrees C. (200 degrees F.) The adhesive shall not adversely affect, initi
27、ally or in service, the insulation to which it is applied, nor shall it cause any corrosive effect on metal to which it is applied. Any solvent dispersing medium or volatile component of the adhesive shall have no objectionable odor and shall not contain any benzene or carbon tetrachloride. The drie
28、d adhesive shall not omit nauseous, irritating, or toxic volatile matters or aerosols when the adhesive is heated to any temperature up to 100 degrees C. (2.2 degrees F.) The adhesive shall be nonflammable, fire resistant conforming to ASTM E 84. 2.1.3 Caulking ASTM C 920, Type S, Grade NS, Class 25
29、, Use A. 2.1.4 Corner Angles Nominal 0.4064 mm (0.016 inch) (0.016 inch) aluminum 25.4 by 25.4 mm (1 by 1 inch) (1 by 1 inch) with factory applied kraft backing. Aluminum shall be ASTM B 209, Alloy 3003, 3105, or 5005. 2.1.5 Finishing Cement Mineral fiber hydraulic-setting thermal insulating cement
30、ASTM C 449. 2.1.6 Glass Tape Glass tape shall meet the requirements of UL 723 and ASTM E 84. 2.1.6.1 Plain Weave, Untreated The ends shall be properly interlocked with the picks to ensure that there shall be no raveling of the tape edges. It shall have an average thickness of 0.1778 plus or minus 0.
31、0254 mm, (0.007 plus or minus 0.001 inches,) warp ends/wales of 17 plus or minus 1 per centimeter (42 plus or minus 2 per inch) or filling picks/courses of 13 plus or minus 1 per centimeter, (32 plus or minus 2 per inch,) a minimum breaking strength of 2679 gram per mm (150 pounds per inch) of width
32、, and after heating to 482 degrees C (900 degrees F) for 2 hours a minimum breaking strength of 714 grams per mm (40 pounds per inch) of width. 2.1.6.2 Knitted, Untreated The wales shall be properly interlocked with the courses to ensure that there shall be no raveling of the tape edges. It shall ha
33、ve an average thickness of 0.1778 plus or minus 0,0254 mm, (0.007 plus or minus 0.001 inches,) warp end/wales of 6 plus or minus 1 per centimeter, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- 3515789 Ob33552 bo8 (16 plus or minus 2 per inch,) a m
34、inimum breaking strength of 714 grams per mm (40 pounds per inch) of width, and after heating to 482 degrees C (900 degrees F) for 2 hours a minimum breaking strength of 375 grams per mm (21 pounds per inch) of width. 2.1.6.3 Distortion Requirements There shall be no distortion of the tape when a sa
35、mple 610 mm (24 inches) in length is spread across a flat horizontal surface and observed for evidence of distortion (such as tendency to curl rather than lie flat). The width tolerance is plus or minus 3.175 mm. (1/8 inch.) 2.1.6.4 Open-Weave Type Tape shall be open-weave type, and shall have an av
36、erage weight of ounce per square yard) and shall be used for embedding between coats of adhesive or coating materials. 3 kg per square meter ( 3 ounce per square yard) ( 1 2.1.7 Glass Cloth The maximum average diameter of the glass fibers used for the yarns shall not exceed 0.00761 mm. (0.000299 in.
37、) The cloth shall meet the requirements of UL 723 and the following properties. Minimum breaking strength Warp 3572 grams/mm (200 lb/inch) Filling 3214 grams/mm (180 lb/inch) After heating to 482 degrees C (900 degrees F) for 2 hrs Warp 1071 grams/mm (60 lb/inch) Filling 1071 grams/mm (60 lb/inch) N
38、ominal width of the cloth shall be 3 meters ( 3 feet) (r 3 feet) with the following tolerances: Up to and including 1016 mm(40 inch) plus or minus 13 mm(1/2 inch) Over 1016 mm(40 in) and less than 1524 mm(60 in) Over 1524 mm (60 in) plus or minus 25 mm (1 inch) plus or minus 19 mm (3/4 inch) Open-We
39、ave type of 3 kilogram per square meter ( 1 ounce/square yard) ( 3 ounce/square yard) may be used for embedding between coats of adhesive or coating materials. 2.1.8 Staples Outward clinching type monel ASTM A 167, Type 304 or 316 stainless steel. 2.1.9 Jackets ASTM C 921, Type I, moisture vapor tra
40、nsmission maximum 0.02 perms, puncture resistance minimum 50 Beach units, tensile strength minimum 6.1 newtons per meter (35 pound/inch) (35 pound/inch) width; Type II, puncture resistance minimum 25 Beach units, tensile strength minimum 3.5 newtons per meter (20 pound/inch) (20 pound/inch) width. A
41、luminum jackets shall be corrugated, embossed or smooth sheet, 0.4064 mm (0.016 inch) (0.016 inch) nominal thickness; ASTM B 209, Temper H14, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- 3535789 Ob33553 5YY D Temper H16, Alloy 3003, 5005, or 3105
42、 with factory applied moisture barrier. Corrugated aluminum jacket shall not be used outdoors. Aluminum jacket-securing bands shall be Type 304 stainless steel, 0.3962 mm (0.015 inch) (0.015 inch) thick, 12.7 mm (1/2 inch) (1/2 inch) wide for pipe under 300 mm (12 inch) (12 inch) diameter and 19.1 m
43、m (3/4 inch) (3/4 inch) wide for pipe over 300 mm (12 inch) (12 inch) diameter. Aluminum jacket circumferential seam bands shall be 50.8 by 0.4064 mm (2 by 0.016 inch) (2 by 0.016 inch) aluminum matching jacket material. Bands for insulation below ground shall be 19.1 mm (3/4 inch) (3/4 inch) by 0.5
44、08 mm (0.020 inch) (0.020 inch) thick stainless steel, or fiberglass reinforced tape. The jacket may, at the option of the Contractor, be provided with a factory-fabricated Pittsburg or “Z“ type longitudinal joint. When the “Z“ joint is used, the bands at the circumferential joints shall be designed
45、 by the manufacturer to seal the joints and hold the jacket in place. Polyvinyl chloride (PVC) jacket and fitting covers shall be made from rigid sheet with high impact strength, with minimum thickness 0.762 mm (0.030 inch). (0.030 inch.) Insulation under PVC jacket shall meet jacket manufacturers w
46、ritten recommendations. 2.1.10 Vapor Barrier Coating The vapor barrier coating shall be fire and water resistant and appropriately selected for either outdoor or indoor service. be white. The water vapor permeance of the compound shall not exceed 0.05 perm and shall be determined according to proced
47、ure B of ASTM E 96 utilizing apparatus described in ASTM E 96. The coating shall be a nonflammable, fire resistant type conforming to ASTM E 84, NFPA 90A, and UL 723. The flash point of the compound shall not be less than 26.7 degrees C (80 degrees F) and shall be determined in accordance with ASTM
48、D 3278. All other application and service properties shall be in accordance with ASTM C 647. Color shall 2.1.11 Wire Soft annealed ASTM A 580 Type 302, 304 or 316 stainless steel, 16 or 18 gauge. Soft annealed galvanized wire, ASTM A 641, 16 gauge. 2.2 EQUIPMENT INSULATION MATERIALS Equipment insula
49、tion materials shall be as follows: 2.2.1 Cold Equipment Insulation For temperatures below 15 degrees C (60 degrees F). (60 degrees F.) 2.2.1.1 Rigid Mineral Fiber ASTM C 612, Class 1. 2.2.1.2 Flexible Mineral Fiber ASTM C 553, Type I, Class B-4. 2.2.1.3 Cellular Glass ASTM C 552, Type I, Type III, or Type IV as required. 2.2.1.4 Flexible Cellular Insulation Provided by IHSNot for ResaleNo reproduction or networking permitted
