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NFSI: National Floor Safety Institute

NFSI, the National Floor Safety Institute, was founded in 1997 as a nonprofit organization whose mission is to aid in the prevention of slips, trips-and-falls through education, research, and standards development. The NFSI is led by a fifteen-member Board of Directors representing product manufacturers, insurance underwriters, trade associations, and independent consultants. In June 2006, NFSI was designated as a Standards Developer for the American National Standards Institute in developing standards for Safety Requirements for Slip, Trip, and Fall Prevention under the NFSI B101 Standards Committee. In October 2009, ANSI approved the first NFSI Standard, ANSI/NFSI B101.1-2009, the Testing Method for Measuring Wet SCOF of Common Hard-Surface Materials. Standards from NFSI are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription. If you or your organization are interested in easy, managed, online access to standards that can be shared, a Standards Subscription may be what you need - please contact us at: StandardsSubscriptions@ansi.org or 1-212-642-4980 or Request Proposal Price.

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NFSI B101.3-2020

Test Method for Measuring the Wet DCOF of Hard Surface Walkways

This test method specifies the procedures and devices used for both laboratory and field-testing to measure the wet dynamic coefficient of friction (DCOF) of hard-surface walkways. This test method provides a measurement procedure setting forth DCOF ranges which facilitate remediation of walkway surfaces when warranted.


NFSI B101.1-2020

Test Method for Measuring the Wet SCOF of Hard-Surface Walkways

This test method specifies the procedures and devices used for both laboratory and field-testing to measure the wet static coefficient of friction (SCOF) of hard-surface walkways. This test method provides a measurement procedure setting forth SCOF ranges which facilitate remediation of walkway surfaces when warranted.


ANSI/NFSI B101.6-2012

Standard Guide for Commercial Entrance Matting in Reducing Slips, Trips and Falls

This standard provides the criteria for the selection, installation, inspection, care and maintenance of entrance mats and runners in commercial facilities in reducing slips, trips and falls


ANSI/NFSI B101.0-2012

Walkway Surface Auditing Procedure for the Measurement of Walkway Slip Resistance

This standard provides the technical procedures for walkway auditing and measuring the coefficient of friction (tribometry) of walkway surfaces in both public and private facilities.



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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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