1、Designation:F247912An American National StandardStandard Guide forSpecification,Purchase,Installation and Maintenance ofPoured-In-Place Playground Surfacing1This standard is issued under the fixed designation F2479;the number immediately following the designation indicates the year oforiginal adopti
2、on 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 information with regard to the design,manufacture,installation,
3、and maintenance of poured-in-placeplayground surfaces.NOTE1This document is a guide and not intended to be used as aspecification;it should be used for educational purposes.1.2 This guide outlines the issues of compliance withexisting standards,durability,and functional longevity.1.3 This guide revi
4、ews issues such as edge treatment,abutting surfaces,and combinations with other surfaces de-signed for circulation or protective surfaces.1.4 This guide presents maintenance considerations andgeneral procedures that should be followed by the owner/operator.1.5 This guide outlines aging consideration
5、s such as loss ofimpact absorption,cracking,shrinkage,heaving,and how toprevent,accommodate,or rectify those issues.1.6 This guide presents warranty considerations.1.7 This guide does not imply that an injury cannot beincurred when the surface system is compliant with thestandards referred to in thi
6、s guide.1.8 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.1.9 This standard does not purport to address all of thesafety concerns,if any
7、,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:2F1292 Specification for Impact Attenuation of Surfacin
8、gMaterials Within the Use Zone of Playground EquipmentF1951 Specification for Determination of Accessibility ofSurface Systems Under and Around Playground Equip-ment2.2 CSA Standard:3CSA Z614 Childrens Playspaces and Equipment3.Terminology3.1 Definitions:3.1.1 aliphatic prepolymerprepolymer which do
9、es notcontain any 1,3,5-cyclohexatrien group.3.1.1.1 DiscussionGenerally highly color stable when ex-posed to UV radiation,no yellowing.3.1.2 ambient grindingprocess that takes raw rubber prod-ucts and processes it to rubber crumb,chips,buffings,and soforth that is at the temperature generated by th
10、e grindingequipment or in the location of production.3.1.3 aromatic prepolymerhydrocarbons that are madefrom only hydrogen and carbon and contain a prepolymerwhich contains one or more 1,3,5-cyclohexatriene group.3.1.3.1 DiscussionAromatic prepolymer are generallysusceptible to change when exposed t
11、o UV and moisture.These changes can be seen as a yellowish shading or“amber-ing”of the top surface,especially when encapsulating rubbercrumb that is grey,light blue,blue,eggshell,teal,and so forth.3.1.4 asphalt,adjacentbituminous bound material that isused as a curb or walkway and comes into contact
12、 with thepoured-in-place surface.3.1.4.1 DiscussionThe materials and compaction shallconform to local engineering practices and have a mechanicalcompaction of no less than 98%standard proctor density.Theedge of the asphalt at the junction with the poured-in-place1This guide is under the jurisdiction
13、 of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilities and is the direct responsibility ofSubcommittee F08.63 on Playground Surfacing Systems.Current edition approved May 15,2012.Published June 2012.Originallyapproved in 2007.Last previous edition approved in 2011 as F2479 11.DOI:
14、10.1520/F2479-12.2For 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 Canadian Standards Association(CS
15、A),5060 Spectrum Way,Mississauga,ON L4W 5N6,Canada,http:/www.csa.ca.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 surface shall be vertical to 30 from horizontal.Considerationshould be given to the use of an appropriate primer asrecomme
16、nded by the manufacturer to ensure adhesion of thepoured-in-place surface to the asphalt.3.1.5 asphalt,basehard,bituminous bound surface that isunder the poured-in-place surface.3.1.5.1 DiscussionNew asphalt should cure at least 14days,have no residual surface oils,and be pressure washed orhave at least two thorough rainfalls prior to receiving poured-in-place surface.When the surface is flooded with as much as0.2 in.(5.1 mm)of water,there should be no evidence(rainbow effect)of oils on the surf
