ASTM_F_1142_-_98_2012.pdf

Designation:F114298(Reapproved 2012)An American National StandardStandard Specification forManhole Cover Assembly,Bolted,Semi-Flush,Oiltight andWatertight1This standard is issued under the fixed designation F1142;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification provides design and constructioncriteria for a semi-flush,oiltight,and watertight bolted manholecover assembly.1.2 The manhole cover assembly depicted in this specifica-tion is for use in decks or bulkheads requiring oiltight andwatertight covers that are not required to be completely flush.Manhole cover assemblies shall be complete with covers,mounting rings,gaskets,welded studs,washers,and nuts.1.3 Handles,if required,shall be as specified in the orderinginformation.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 hazardouscargos(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,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 Documents2.1 ASTM Standards:2A36/A36M Specification for Carbon Structural SteelA131/A131M Specification for Structural Steel for ShipsA153/A153M Specification for Zinc Coating(Hot-Dip)onIron and Steel HardwareB36/B36M Specification for Brass Plate,Sheet,Strip,AndRolled BarD2000 Classification System for Rubber Products in Auto-motive ApplicationsF783 Specification for Staple,Handgrab,Handle,and Stir-rup Rung2.2 ANSI Standards:B1.1 Unified Inch Screw Threads3Y14.5M Dimensioning and Tolerancing3B18.2.1 Square and Hex Bolts and Screws,Inch Series32.3 American Bureau of Shipping Standard: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 Regulations63.Terminology3.1 Definitions:3.1.1 manholean accessway located in a tank structure.3.1.2 semi-flushplacement of the cover over the ringedopening(without coaming).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.4.2 Grade 114-in.(6.35-mm)thick cover plate.Grade238-in.(9.5-mm)thick cover plate.Grade 312-in.(12.7-mm)thick cover plate.1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.03 onOutfitting and Deck Machinery.Current edition approved June 1,2012.Published October 2012.Originallyapproved in 1998.Last previous edition approved in 2007 as F1142-98(2007).DOI:10.1520/F1142-98R12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at 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 Shipping(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 St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 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 marinequality,nonhazardous,corrosion-inhibiting,and oil-resistantprimer coating be applied for protection for a period of oneyear during shipping and in shipyard handling.4.4 Class B Manhole Cover AssembliesClass B manholecover assemblies shall be galvanized in accordance withSpecification A153/A153M.5.Ordering Information5.1 The purchasers ordering information shall include thefollowing: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),5.1.5 Quantity,5.1.6 RemarksHandles(are/are not)required,5.1.7 ApprovalClassification Society approval(is/is not)required,