1、Designation:F114498(Reapproved 2012)An American National StandardStandard Specification forManhole Cover Assembly,Bolted,Semi-Flush,Oiltight andWatertight,Hinged1This standard is issued under the fixed designation F1144;the number immediately following the designation indicates the year oforiginal a
2、doption 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
3、,oiltight and watertight bolted hingedmanhole cover assembly.1.2 The manhole cover assemblies depicted on this specifi-cation are 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,
4、mounting rings,gaskets,studs,washers,hinge assemblies,andnuts.1.3 Handles,if required,shall be as specified in the orderinginformation.1.4 Values stated in inch-pound units are to be regarded asstandard.1.5 This standard is not applicable to certain hazardouscargos.(See 46CFR 153.254 and 46CFR 154.3
5、40.)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 b
6、enecessary 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 Car
7、bon Structural SteelA131/A131M Specification for Structural Steel for ShipsA153/A153M Specification for Zinc Coating(Hot-Dip)onIron and Steel HardwareA575 Specification for Steel Bars,Carbon,MerchantQuality,M-GradesB36/B36M Specification for Brass Plate,Sheet,Strip,AndRolled BarD2000 Classification
8、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 ABS Standard:Rules for Building and Clas
9、sing 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 manholeaccessway located in a tank structure.3.1.2 semi-flushrefers to the pl
10、acement of the hinged plateover the ringed opening(without coaming).4.Classification4.1 Type I15-by 23-in.(381-by 584-mm)size of accessopening4.2 Type II18-by 24-in.(457-by 610-mm)size of accessopening4.3 Grade 114-in.(6.4-mm)thick cover plate4.4 Grade 238-in.(9.5-mm)thick cover plate1This specifica
11、tion 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 1988.Last previous edition approved in 2007 as
12、F1144 98(2007).DOI:10.1520/F1144-98R12.2For 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 Na
13、tional 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
14、15222-4656,http:/www.sspc.org.6Available from Standardization Documents Order Desk,DODSSP,Bldg.4,SectionD,700RobbinsAve.,Philadelphia,PA19111-5098,http:/www.dodssp.daps.mil.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.5 Grade 312-in.
15、(12.7-mm)thick cover plate4.6 Class A Manhole Cover Assemblies Shall be abrasiveblasted to near white metal in accordance with SSPC SP-10and a commercial marine quality nonhazardous corrosion-inhibiting and oil-resistant primer coating be applied forprotection for a period of one year during shippin
16、g and inshipyard handling.4.7 Class B Manhole Cover Assemblies Shall be galva-nized in accordance with Specification A153/A153M.5.Ordering Information5.1 The purchasers ordering information shall include thefollowing:5.1.1 ASTM designation and date.5.1.2 Type(see 4.1 and 4.2).5.1.3 Grade(see 4.3,4.4,and 4.5).5.1.4 Class see(4.6 and 4.7).5.1.5 Quantity.5.1.6 RemarksHandles(are/are not)required.5.1.7 ApprovalClassification society approval(is/is not)required.5.1.8 Gasket,if other than specified(se