ASTM_F_2175_-_07_2015.pdf

Designation:F217507(Reapproved 2015)Standard Specification forPortable and Permanent Emergency Escape Ladders forResidential Use1This standard is issued under the fixed designation F2175;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 specification establishes recognized performancerequirements for portable and permanent emergency escapeladders for residential use.1.2 This specification replaces provisional standard PS 117.1.3 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 consult andestablish appropriate safety and health practices and deter-mine the applicability of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D648 Test Method for Deflection Temperature of PlasticsUnder Flexural Load in the Edgewise Position2.2 Underwriters Laboratories Standard:3UL 746b Oven Aging Techniques3.Requirements3.1 The ladder shall show evidence of good workmanshipand meet the following requirements:3.1.1 Vertical Static LoadThe ladder components shall notallow evidence of failure(material or joint separation,cracking,or collapse)when tested in accordance with 4.1.3.1.2 Horizontal Static LoadThe ladder components shallnot show evidence of failure(material or joint separation,cracking,or collapse)when tested in accordance with 4.2.3.1.3 Rung/Step StrengthThe rungs/steps shall not showany evidence of failure(material or joint separation,cracking,or collapse)when tested in accordance with 4.3.3.1.4 Rung/Step/Side Support ShearThe rungs/steps andside support shall not show evidence of failure(material orjoint separation,cracking,or collapse)when tested in accor-dance with 4.4.3.1.5 Deployment WeightMaximum weight of the laddershall be less than or equal to 20 lb(9.0 kg)for a 20-ft(5.1-m)ladder and not more than 0.75 ft(.34 kg)per foot(30 cm)ofadditional length.3.1.6 Deployment TimeDeployment of the ladder shall beless than 60 s as tested in accordance with 4.5.3.1.7 Hook or Attachment StabilityThe unit shall havehooks or other means of attachment to the window or perma-nent structural attachment that are stable.With the ladder inplace,no hazardous condition shall be created when tested inaccordance with 5.1.3.1.8 Rung/Step SizeRungs/steps shall be 0.97 in.(25 mm)minimum in depth and greater than 10 in.(254 mm)in width.For rungs made from round tubing,the minimumrung depth can be reduced at each end for attachment to sidesupports.3.1.9 Rung/Step Release MechanismFor ladders havingrung/step release mechanisms,the pull force to release anddeploy the ladder shall be 5 lb(2.3 kg)or less.3.1.10 Heat Deflection TemperatureAll materials thatsoften or melt by heat used in support components of the ladderincluding the rungs,rung supports,and hooks,shall have a heatdeflection temperature,as measured by Test Method D648,ofnot less than 150C at 66 psi(455 kPa).3.1.11 StandoffStandoffs for each rung/step shall be sup-plied with each ladder.Minimum distance between the outerface of the rung/step and standoff contact at building shall benot less than 3.6 in.(9.1 cm).If standoffs are shippedunattached,the label shown in Section 5 shall be used onopposite sides of the final package.3.1.12 Designed LengthDesigned for a maximum use of 3stories(unless specified otherwise).3.1.13 Rung/Step SpacingRungs/steps shall be spaced at auniform distance and spaced at intervals of 13 6 2 in.(325 6 5 cm).3.1.14 Rungs/StepsRungs/steps are to be corrugated,serrated,knurled,dimpled,embossed,or coated with slip-resistant material.1This specification is under the jurisdiction of ASTM Committee F15 onConsumer Products and is the direct responsibility of Subcommittee F15.47 on FireLadders.Current edition approved April 1,2015.Published August 2015.Last previousedition approved in 2007 as F2175 07.DOI:10.1520/F2175-07R15.2For 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 Global Engineering Documents,15 Inverness Way East,Englewood,CO 80112.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.1.15 Rated LoadThe rated load shall be indicated foreach ladder and shall be rated at 250 lb or more.3.1.16 Stress ReliefRungs/steps,rung/step supports,hooks or permanent structural attachment assembly shall standconditioning at 70C for 7 h without significant deformation orany cracking that would,in any way,adversely affect thefunctionality of the ladder.3.1.17 Heat AgingPolymeric components shall have acalculated use temperature of 75C