ASTM_F_1386_-_92_2010.pdf

Designation:F138692(Reapproved 2010)An American National StandardStandard Guide forConstruction of Sounding Tube and Striker Plate for TankSounding1This standard is issued under the fixed designation F1386;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 guide covers design and construction criteria forstriker plates and sounding tubes,excluding deck penetrationsand caps,for use with sounding rods or tapes in freshwater,saltwater,and oil tanks.1.2 The values stated in inch-pound units are to be regardedas the standard.The SI units given in parentheses are forinformation only.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2A36/A36M Specification for Carbon Structural SteelA53/A53M Specification for Pipe,Steel,Black and Hot-Dipped,Zinc-Coated,Welded and SeamlessF722 Specification for Welded Joints for Shipboard PipingSystemsF1155 Practice for Selection and Application of PipingSystem Materials2.2 ANSI Standards:3ANSI B16.5 Pipe Flanges and Flange FittingsANSI B16.9 Factory Made Wrought Steel Butt WeldingFittingsANSI B16.11 Forged Steel,Socket Welding and ThreadedFittingsANSI B16.28 Wrought Steel,Butt Welding,Short RadiusElbows and ReturnANSI B31.1 Power Piping2.3 ABS Standard:4American Bureau of Shipping Rules for Building andClassing Steel Vessels2.4 AWS Standard:5AWS D1.1 Structural Welding Code3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 external sounding tubea sounding tube located out-side the boundaries of the tank being sounded.3.1.2 internal sounding tubea sounding tube located in-side the tank being sounded.3.1.3 soundingmeasurement by sounding;a place or partof a body of liquid where a hand sounding line will reachbottom.4.Classification4.1 Type IInternal sounding tube,with separate strikerplate.4.2 Type IIInternal sounding tube,with attached strikerplate.4.3 Type IIIInternal sounding tube,with angle strikerplate.4.4 Type IVExternal sounding tube.5.Significance and Use5.1 Sounding tubes may be fabricated from 112NPS orlarger.Onlywhenotherwisespecified,Schedule40components,manufactured from the list of material indicatedin Practice F1155 and Specification A53/A53M,Grade S orGrade ERW.In addition,sounding tubes may be fabricated instainless steel for stainless steel tanks.5.1.1 Sounding tubes passing through or terminating in fueltanks,potable water tanks,or clean salt water ballast tanks1This guide is under the jurisdiction of ASTM Committee F25 on Ships andMarine Technology and is the direct responsibility of Subcommittee F25.11 onMachinery and Piping Systems.Current edition approved May 1,2010.Published June 2010.Originallyapproved in 1992.Last previous edition approved in 2004 as F1386-92(2004).DOI:10.1520/F1386-92R10.2For 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 American Welding Society(AWS),550 NW LeJeune Rd.,Miami,FL 33126,http:/www.aws.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 should be constructed of 70-30 copper nickel,but othersuitable material is acceptable.5.2 Striker plates shall be fabricated in accordance withSpecification A36/A36M.5.3 The fittings shall be designed in accordance with ANSIB16.5,ANSI B16.9,ANSI B16.28,or ANSI B16.11 asapplicable(See Table 21 in Practice F1155),and the installa-tion shall be in accordance with ANSI B31.1 as modified bySpecification F722.These standards cover the fitting toler-ances.5.4 Some cargo may preclude the use of materials specifiedin this guide.However,configuration examples are applicablefor all applications.5.5 When a sounding tube is combined with the air escape,either three 114-in.(approximately 30-mm)diameter holesapproximately 12 in.(305 mm)from the tank top equallyspaced or six12-in.(approximately 15-mm)diameter holesapproximately 6 in.(150 mm)from the tank top equally spacedcan be used for perforations.See Fig.2.5.6 Figs.1-4 are guidance details.6.Installation of Sounding Tubes6.1 Locate sounding tubes as close as possible to the lowestpart of the tank.6.2 Type I,II,and III sounding tu