ANSI RESNA WC-1:2009 Section 13: Determination of Coefficient of Friction of Test Surfaces

Standard Organization:

ANSI RESNA WC-1:2009 Section 13: Determination of Coefficient of Friction of Test Surfaces
American National Standard for Wheelchairs - Volume 1: Requirements and Test Methods for Wheelchairs (including Scooters) Section 13: Determination of Coefficient of Friction of Test Surfaces

Recognition Date2014-01-30
Recognition List034
Recognition Number16-179
Extent Complete standard
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STG Physical Medicine
FDA Tech  Kathryn Delaurentis   FDA/OMPT/CDRH/ODE/DNPMD/PMDB/   240-402-4911   kathryn.delaurentis@fda.hhs.gov

Rationale:

.stds { color: #000000; float: center; width: 950px; margin: 0px 25px 0px 0px; } .stds-middle { color: #000000; float: center; width: 575px; margin: 0px 50px 50px 50px; } /* .stds-left { float: left; margin: 9px 30px 0px 0; } */ .stds-left { color: #000000; float: left; width: 700px; margin: 9px 0px 0px 0px; } .stds-search-left { float: left; width: 610px; margin: 9px 30px 0px 0; } .stds-search-right { float: right; width: 190px; margin: 9px 18px 0 0; padding: 8px 12px 10px 12px; background-color: #f9f9f3; border: 1px solid #b0b0b0; -webkit-border-radius: 6px; -moz-border-radius: 6px; border-radius: 6px; } .stds-right { color: #000000; float: right; width: 170px; margin: 9px 18px 0 0; padding: 8px 12px 10px 12px; background-color: #f3f3f3; border: 1px solid #b0b0b0; border-radius: 6px; } .stds-intro { margin: 0px 0px 18px 0px; padding: 5px 12px 12px 12px; background-color: #e8eff5; border: 1px solid #b0b0b0; border-radius: 6px; } #stds_nr-form { margin-top: 18px; padding-top: 12px; border-top: 1px dashed #b0b0b0; } #stds-form { table-layout:fixed; width: 700px; font-size: 11px; border: 1px solid #b0b0b0; background-color: #f9f9f3; } #stds-form-title{ padding: 3px 3px 3px 3px; width: 100%; background-color: #e8eff5; border-bottom: 1px solid #b0b0b0; margin-top: 0px; } #stds-form-title-left { font-size: 13px; font-weight:normal; } #stds-form-title-right { /*float: right;*/ font-size: 11px; padding: 0px 0px 0px 500px; } #stds-form-results-right { /*float: right;*/ font-size: 11px; padding: 0px 0px 0px 600px; } #stds-search { height: 18px; margin: 0px; padding: 3px 10px; border: 1px solid #b0b0b0; font-size: 12px; color: #484138; } #stds-search:focus, #stds-search:hover { -webkit-box-shadow: 0 0px 6px rgba(0,0,0,.1); -moz-box-shadow: 0 0px 6px rgba(0,0,0,.1); box-shadow: 0 0px 6px rgba(0,0,0,.1); } #stds-results-number { margin-bottom: 12px; font-size: 10px; font-weight: bold; } #stds-results-table { margin-left:auto; margin-right:auto; text-align:left; padding: 0; border-collapse:collapse; table-layout:fixed; background-color: #f9f9f3; border-color: #b0b0b0; border-width: 0 0 1px 1px; border-style: solid; } #stds-results-table th { padding: 6px 12px; background-color: #f9f9f3; border-color: #b0b0b0; border-width: 1px 1px 0 0; border-style: solid; font-size: 12px; } #stds-results-table td { padding: 6px 12px; border-color: #b0b0b0; border-width: 1px 1px 0 0; border-style: solid; text-transform: capitalize; } #stds-results-table tr:nth-child(odd) { /* background-color: #f3f3f3; */ } .sort { float: right; margin: 0px 10px 0px 0px; padding: 0px 5px 5px 5px; } /* .sort { float: right; margin-top: 5px;} */ .sort a { color: #484138; } .sort a:hover { color: #0f2a8c; } Recognized Consensus Standards // Quick Links: Skip to main page content Skip to Search Skip to Topics Menu Skip to Common Links U.S. Food & Drug Administration   Follow FDA En Español Search FDA   Home Food Drugs Medical Devices Radiation-Emitting Products Vaccines, Blood & Biologics Animal & Veterinary Cosmetics Tobacco Products   Recognized Consensus Standards var MP = { Version: '1.0.22', Domains: {'es':'esp.fda.gov'}, SrcLang: 'en', UrlLang: 'mp_js_current_lang', SrcUrl: unescape('mp_js_orgin_url'), init: function(){ if (MP.UrlLang.indexOf('p_js_')==1) { MP.SrcUrl=window.top.document.location.href; MP.UrlLang=MP.SrcLang; } }, getCookie: function(name){ var start=document.cookie.indexOf(name+'='); if(start < 0) return null; start=start+name.length+1; var end=document.cookie.indexOf(';', start); if(end < 0) end=document.cookie.length; while (document.cookie.charAt(start)==' '){ start++; } return unescape(document.cookie.substring(start,end)); }, setCookie: function(name,value,path,domain){ var cookie=name+'='+escape(value); if(path)cookie+='; path='+path; if(domain)cookie+='; domain='+domain; var now=new Date(); now.setTime(now.getTime()+1000*60*60*24*365); cookie+='; expires='+now.toUTCString(); document.cookie=cookie; }, switchLanguage: function(lang){ if(lang!=MP.SrcLang){ var script=document.createElement('SCRIPT'); script.src=location.protocol+'//'+MP.Domains[lang]+'/'+MP.SrcLang+lang+'/?1023749632;'+encodeURIComponent(MP.SrcUrl); document.body.appendChild(script); } else if(lang==MP.SrcLang && MP.UrlLang!=MP.SrcLang){ var script=document.createElement('SCRIPT'); script.src=location.protocol+'//'+MP.Domains[MP.UrlLang]+'/'+MP.SrcLang+MP.UrlLang+'/?1023749634;'+encodeURIComponent(location.href); document.body.appendChild(script); } return false; }, switchToLang: function(url) { window.top.location.href=url; } }; var addthis_config = {data_track_clickback: true, ui_508_compliant: true, services_compact: 'facebook, twitter, linkedin, pinterest_share, email', services_exclude: 'print', image_container: "#user_provided" } ; FDA Home Medical Devices Databases -

Scope:

This section of RESNA WC-1 specifies a test method for determining the coefficient of friction of a test surface that has a rough texture, such as unfinished concrete. In the event that the test method

is used for smooth or polished surfaces, care should be exercised that the coefficient of friction is measured as being constant over the whole area of the test surface.

Several test procedures for wheelchairs, e.g., those specified in RESNA WC-1 Sec. 1, RESNA WC-2 Sec. 2, RESNA WC-2 Sec. 3, RESNA WC-2 Sec. 6 and RESNA WC-2 Sec. 10, require that

the coefficient of friction of the test surface be within specified limits.

Code of Federal Regulations:

Regulation Number Device Name Device Class Product Code
§890.3930 Elevator, Wheelchair, Portable Class 2 ING
§890.3900 Wheelchair, Standup Class 2 IPL
§890.3890 Wheelchair, Stair Climbing Class 2 IMK
§890.3880 Wheelchair, Special Grade Class 2 IQC
§890.3860 Wheelchair, Powered Class 2 ITI
§890.3850 Stroller, Adaptive Class 1 LBE
§890.3850 Wheelchair, Mechanical Class 1 IOR
§890.3800 Vehicle, Motorized 3-Wheeled Class 2 INI

FDA Guidance:

There is no relevant guidance developed at this time.

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