ASTM F1143-1998(2007) Standard Specification for Manhole Cover Assembly Bolted Raised Oiltight and Watertight《防油防水隆起的螺栓连接检查孔盖组件标准规范》.pdf
《ASTM F1143-1998(2007) Standard Specification for Manhole Cover Assembly Bolted Raised Oiltight and Watertight《防油防水隆起的螺栓连接检查孔盖组件标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM F1143-1998(2007) Standard Specification for Manhole Cover Assembly Bolted Raised Oiltight and Watertight《防油防水隆起的螺栓连接检查孔盖组件标准规范》.pdf(8页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F 1143 98 (Reapproved 2007)An American National StandardStandard Specification forManhole Cover Assembly, Bolted, Raised, Oiltight andWatertight1This standard is issued under the fixed designation F 1143; the number immediately following the designation indicates the year oforiginal ado
2、ption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification provides design and constructioncriteria for a rais
3、ed, bolted, oiltight, and watertight manholecover assembly.1.2 The manhole cover assemblies depicted in this specifi-cation are for use in decks or bulkheads in which the manholecover assemblies must be of the raised type. Manhole covershall be complete with coaming, gasket, welded studs or bolts,wa
4、shers, and nuts.1.3 Determination of the use of handles will be as specifiedin the ordering information.1.4 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.1.5 This specification is not applicable to certain hazardousca
5、rgos (see Section 46 CFR 153.254 and 46 CFR 154.340).1.6 This specification provides design and construction formanhole cover assemblies subjected to lateral pressures such asresulting from vehicle loads or hydrostatic pressures. Wheremanhole cover assemblies are subjected to primary or cyclicloads,
6、 other reinforcement or construction criteria may benecessary to integrate the manhole assembly with the requiredstructural reinforcement for openings in decks or bulkheads.Design of the manhole cover assembly for primary or cyclicloads is beyond the scope of this specification.2. Referenced Documen
7、ts2.1 ASTM Standards:2A 36/A 36M Specification for Carbon Structural SteelA 131/A 131M Specification for Structural Steel for ShipsA 153/A 153M Specification for Zinc Coating (Hot-Dip) onIron and Steel HardwareB 36/B 36M Specification for Brass Plate, Sheet, Strip, AndRolled BarD 2000 Classification
8、 System for Rubber Products in Auto-motive ApplicationsF 783 Specification for Staple, Handgrab, Handle, and Stir-rup Rung2.2 ANSI Standards:B1.1 Unified Inch Screw Threads3ANSI Y14.5M Dimensioning and Tolerancing3B18.2.1 Square and Hex Bolts and Screws, Inch Series32.3 American Bureau of Shipping S
9、tandard:Rules for Building and Classing Steel Vessels42.4 Steel Structures Painting Council Standard:SP-10 Surface Preparation Specification No. 1052.5 Code of Federal Regulations Standard:CFR 46 Code of Federal Rgulations63. Terminology3.1 Definitions:3.1.1 manholean accessway located in a tank str
10、ucture.3.1.2 raisedmanhole cover seat is located on an angle orflat bar coaming which protrudes from the tank structure intothe space from which it is accessed.4. Classification4.1 Type I15- by 23-in. (381- by 584-mm) size of accessopening. Type II18- by 24-in. (457- by 610-mm) size ofaccess opening
11、.4.2 Grade 114-in. (6.35-mm) thick cover plate. Grade238-in. (9.5-mm) thick cover plate. Grade 312-in. (13-mm) thick cover plate.4.3 Class A Manhole Cover AssembliesClass A manholecover assemblies shall be abrasive blasted to near white metalin accordance with SSPC SP-10 and a commercial marinequali
12、ty nonhazardous corrosion-inhibiting and oil-resistantprimer coating be applied for protection for a period of oneyear during shipping and in shipyard handling.1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcom
13、mittee F25.03 onOutfitting and Deck Machinery.Current edition approved Dec. 1, 2007. Published January 2008. Originallyapproved in 1988. Last previous edition approved in 2003 as F 1143 98(2003).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at
14、serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.4Available from American Bureau of Ship
15、ping (ABS), ABS Plaza, 16855Northchase Dr., Houston, TX 77060, http:/www.eagle.org.5Available from Society for Protective Coatings (SSPC), 40 24th St., 6th Floor,Pittsburgh, PA 15222-4656, http:/www.sspc.org.6Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol S
16、t., NW, Mail Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.4 Class B Manhole Cover AssembliesClass B manholecover assemblies shall be galvanized in accordance withSpecific
17、ation A 153/A 153M.5. Ordering Information5.1 The purchasers ordering information shall include thefollowing information:5.1.1 ASTM designation and year of issue,5.1.2 Type (see 4.1),5.1.3 Grade (see 4.2),5.1.4 Class (see 4.3 and 4.4),5.1.5 Shape (rectangular or oval) (see Fig. 1 and Fig. 2),5.1.6 Q
18、uantity,5.1.7 RemarksHandles (are/are not) required, and5.1.8 ApprovalClassification society approval (is/is not)required.5.1.9 Gasket, if other than specified (see 6.7).6. Materials and Manufacture6.1 Plate for the cover to be of Specifications A 36/A 36Mor A 131/A 131M steel.6.2 Coaming to be of S
19、pecifications A 36/A 36M or A 131/A 131M steel.6.3 Round bar for the handle shall be in accordance withSpecification F 783, Type A.6.4 Bolts shall be34 in. (19.05 mm) by 214 in. (57 mm)long. Welded studs shall be34 in. (19.05 mm) by 134 in. (44.4mm) long. Bolts or welded studs shall be manufactured
20、ofordinary steel to commercial standards. Threads shall be thecoarse thread series as specified in the latest issue of ANSIB1.1.6.5 Washers shall be ANSI B18.2.1 Type A,34-in. (19.05-mm) washer, 2-in. (50.8-mm) by 0.148-in. (3.8-mm) thickstandard flat manufactured of yellow brass, SpecificationB 36/
21、B 36M.6.6 Heavy hex nuts shall be34 in. (19.05 mm) and manu-factured of yellow brass, Specification B 36/B 36M. Threads innuts shall conform to the dimensions for coarse threads withtolerances prescribed in ANSI B1.1. The nut shall conform todimensions prescribed in ANSI B18.2.1.6.7 Unless otherwise
22、 specified in ordering information,gasket shall be rubber,316 in. (4.8 mm) thick, 50 6 5durometer, or other such classification society rules as may beapplicable. Manhole cover assemblies for government applica-tion see Annex A2 for type of gaskets.6.8 Welding to conform to the latest issue of the A
23、mericanBureau of Shipping Rules per Classification D 2000 5BC507A14 E034.6.9 Details of bolted manhole cover assembly is shown inFig. 1 and Fig. 2.7. Dimensions and Permissible Variations7.1 Dimensions of manhole assembly shall be as indicatedin Table 1 and Table 2.7.2 For plating up to and includin
24、g14-in. (6.4-mm) thick-ness, use cover plate of14-in. (6.4-mm) thickness. Plating over14-in. (6.4-mm) up to, and including38-in. (9.5-mm) thickness,use cover plate of38-in. (9.5-mm) thickness. Plating over38-in.(9.5-mm) thickness, use cover plate of12-in. (12.7-mm)thickness.8. Workmanship, Finish, a
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