ASTM_C_1719_-_11_2017.pdf

Designation:C171911(Reapproved 2017)Standard Test Method forInstalled Precast Concrete Tanks and Accessories by theNegative Air Pressure(Vacuum)Test Prior to Backfill1This standard is issued under the fixed designation C1719;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 test method covers procedures for testing precastconcrete tanks(and installed accessories)used for on-sitewastewater treatment,grease interception,grit/oil separation,water storage,or other applications requiring watertight con-struction and installation.This test method uses partial vacuumto demonstrate the integrity of the installed materials and theconstruction processes.1.2 This test method is intended to be used to demonstratethe condition of the installed system(precast concrete tank andaccessories)prior to backfill.1.3 Testing of the system before backfill is necessary so asto preclude inadvertent structural overloading of the systemcomponents during the test.NOTE1Vacuum test criteria presented in this test method are similarto those in general use.The test and criteria have been widely andsuccessfully used in testing manholes as specified in Test Method C1244.1.4 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.5 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.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C822 Terminology Relating to Concrete Pipe and RelatedProductsC1227 Specification for Precast Concrete Septic TanksC1244 Test Method for Concrete Sewer Manholes by theNegative Air Pressure(Vacuum)Test Prior to Backfill3.Terminology3.1 For definitions of terms relating to tanks,see Terminol-ogy C822.4.Summary of Test Method4.1 The tank shall be set in its installed position.Requiredaccessories and pipes shall be installed.All openings and pipesentering the tank shall be plugged.A vacuum shall be drawnand vacuum retention over a specified time period is used todetermine the acceptability of the tank and installed accesso-ries.5.Significance and Use5.1 This is not a routine test.The values recorded areapplicable only to the tank being tested and at the time oftesting.This test is intended only to demonstrate the sealingeffectiveness of the installed system.Structural design of thetank is defined or demonstrated within the scope of otherapplicable specifications and test methods,including Specifi-cation C1227.6.Equipment Required6.1 A vacuum device is required and shall be capable ofreliably drawing the required vacuum.Suitable vacuum de-vices include vane-and venturi-type pumps,vehicle vacuumsystems,and high-performance shop-style vacuum cleaners.6.2 A vacuum measuring device is required and shall be avacuum gauge,mercury manometer,or water manometeraccurate to 0.1 in.(2.5 mm)Hg 1.4 in.(35 mm)H2O.If a1This test method is under the jurisdiction of ASTM Committee C27 on PrecastConcrete Products and is the direct responsibility of Subcommittee C27.30 on Waterand Wastewater Containers.Current edition approved June 1,2017.Published July 2017.Originally approvedin 2011.Last previous edition approved in 2011 as C1719 11.DOI:10.1520/C171911R17.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 gauge is used,it shall be in current calibration to standardstraceable to NIST and shall have a range of no more than 10 in.(254 mm)Hg.6.3 Suitable pipes(or pipe stubs),pipe plugs,and properblocking for same shall be used.If temporary stubs are used,they shall be of the same size and type of pipe as that t