1、Designation:F212006(Reapproved 2014)An American National StandardStandard Practice forTesting Treestand Load Capacity1This standard is issued under the fixed designation F2120;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year
2、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 practice provides guidance for testing the loadcapacity of treestands.1.2 The values stated are in inch-pound units
3、 and are to beregarded as the standard.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 limi
4、tations prior to use.2.Referenced Documents2.1 ASTM Standards:2F2125 Test Method for Treestand Static Stability andAdher-enceF2126 Test Method for Treestand Static Load CapacityF2128 Test Method for Treestand Repetitive Loading Capa-bilityF2531 Test Method for Load Capacity of Treestand Seats3.Termi
5、nology3.1 The terminology and definitions in the referenced docu-ments are applicable to this practice.3.2 Definitions:3.2.1 backbaradjustable component of a climbing tree-stand or handclimber that engages the tree to provide support.3.2.2 climbing treestandtreestand that provides both themeans to a
6、scend the tree,and allow the user to remain at adesired elevation.3.2.3 handclimber,or climbing aiddevice to assist climb-ing with a climbing treestand.A structure that allows the userto support his weight when lifting a climbing treestand with hislegs.3.2.4 non-climbing,fixed position or hang-on tr
7、eestandtreestand that is secured to the tree at the elevation where it isused.(The user usually ascends the tree by some means andthen lifts the treestand to the desired position and secures it foruse.)3.2.5 platformhorizontal structural area of a treestand onwhich the user stands and/or places his
8、feet.3.2.6 treestanddevice designed to be affixed to a tree or itsbranches so as to permit an individual to sit or stand thereon forthe purpose of attaining an elevated position from which toobserve,photograph or hunt.4.Summary of Practice4.1 This practice provides guidelines for the selection oftes
9、ts for the evaluation of the load capacity of treestands inaccordance with manufacturers capacity rating,particularlyfor quality assurance and adequacy of safety factors including:4.1.1 Static load test.4.1.2 Stability and adherence test.4.1.3 Repetitive loading test.NOTE1Climbing treestands only.4.
10、1.4 Treestand seat loading test.4.1.5 In the event of a repetitive load failure,manufactureris to submit two additional stands for testing for final accep-tance.5.Significance and Use5.1 This practice is provided to develop and maintainuniformity in practices for the evaluation of the load capacityo
11、f treestands,particularly with regard to quality assurance andsafety factors.5.2 It is emphasized that the use of these procedures will notalter the validity of data determined with specific test methods,but provides guidance in the interpretation of test results(validor invalid)and guidance in the
12、selection of a reasonable testprocedure in those instances where no standard exists today.6.Selection of Test Procedures6.1 The following methods are recommended for individualunits and situations:6.1.1 An individual test unit of the specified model shall beselected at random.1This practice is under
13、 the jurisdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilities and is the direct responsibility ofSubcommittee F08.18 on Treestands.Current edition approved Sept.1,2014.Published November 2014.Originallyapproved in 2001.Last previous edition approved in 2010 as F2120 06(2
14、010).DOI:10.1520/F2120-06R14.2For 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
15、 Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.1.2 The test unit shall first be visually inspected for anyflaws,defects,missing parts,etc.and any discrepancies sonoted.The test unit shall also be checked,and so noted,toassure that instructions are included with the unit.6
16、.1.3 The initial test performed shall be a repetitive loadingtest in accordance with Test Method F2128.6.1.4 After successful testing as given in 6.1.3,a stabilityand adherence test in accordance with Test Method F2125.6.1.5 After successful testing as given in 6.1.4,a static loadtest shall be performed in accordance with Test Method F2126.6.1.6 After successful testing as given in 6.1.5,a static loadtest of the treestand seat shall be performed in accordance withTest Method F2531.7.Failure Crit
