ASTM_F_2922_-_13e1.pdf

Designation:F2922131Standard Specification forPolyethylene(PE)Corrugated Wall Stormwater CollectionChambers1This standard is issued under the fixed designation F2922;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.1NOTE5.3.8 and 5.3.9 were editorially corrected in December 2013.1.Scope*1.1 This specification covers requirements,test methods,materials,and marking for polyethylene(PE),open bottom,buried arch-shaped chambers of corrugated wall constructionused for collection,detention,and retention of stormwaterrunoff.Applicationsincludecommercial,residential,agricultural,and highway drainage,including installation un-der parking lots and roadways.1.2 Chambers are produced in arch shapes with dimensionsbased on chamber rise,chamber span,and wall stiffness.Chambers are manufactured with integral feet that provide basesupport.Chambers may include perforations to enhance waterflow.Chambers must meet test requirements for arch stiffness,flattening,and accelerated weathering.1.3 Analysis and experience have shown that the successfulperformance of this product depends upon the type and depthof bedding and backfill,and care in installation.This specifi-cation includes requirements for the manufacturer to providechamber installation instructions to the purchaser.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 The following safety hazards caveat pertains only to thetest method portion,Section 6,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2412 Test Method for Determination of External LoadingCharacteristics of Plastic Pipe by Parallel-Plate LoadingD2990 Test Methods for Tensile,Compressive,and FlexuralCreep and Creep-Rupture of PlasticsD3350 Specification for Polyethylene Plastics Pipe and Fit-tings MaterialsD4329 Practice for Fluorescent Ultraviolet(UV)Lamp Ap-paratus Exposure of PlasticsD4703 Practice for Compression Molding ThermoplasticMaterials into Test Specimens,Plaques,or SheetsD6992 Test Method for Accelerated Tensile Creep andCreep-Rupture of Geosynthetic Materials Based on Time-Temperature Superposition Using the Stepped IsothermalMethodF412 Terminology Relating to Plastic Piping SystemsF2136 Test Method for Notched,Constant Ligament-Stress(NCLS)Test to Determine Slow-Crack-Growth Resis-tance of HDPE Resins or HDPE Corrugated PipeF2787 Practice for Structural Design of Thermoplastic Cor-rugated Wall Stormwater Collection Chambers3.Terminology3.1 DefinitionsDefinitions used in this specification are inaccordance with the definitions in Terminology F412,andabbreviations are in accordance with Terminology D1600,unless otherwise indicated.3.2 Definitions of Terms Specific to This Standard:3.2.1 chamberan arch-shaped structure manufactured ofthermoplastic with an open-bottom that is supported on feet1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.65 on LandDrainage.Current edition approved Nov.1,2013.Published December 2013.Originallyapproved in 2012.Last previous edition approved in 2012 as F2922-121.DOI:10.1520/F292213E01.2For 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 and may be joined into rows that begin with,and are termi-nated by,end caps(see Fig.1).3.2.2 chamber storage capacitythe bare chamber storagecapacity excluding storage in end caps,stone porosity,distri-bution piping or other distribution components.3.2.3 corrugated walla wall profile consisting of a regularpattern of alternating crests and valleys(see Fig.2).3.2.4 crestthe element of a corrugation located at theexterior surface of the chamber wall,spanning between twoweb elements(see Fig.2).3.2.5 crownthe center section of a chamber typicallylocated at the highest point as the chamber is traversedcircumferential