Calculating Your Fall Distance
Calculating Your Fall Distance

Calculating Your Fall Distance


RD = LL + DD + HH + CC

Measured from Rigid Anchor Point

Calfast Fall Calculation

Calculation Steps

  1. Add 1ft. to DD for free-fall over 6ft. up to 12ft. or for person over 310 lbs. up to 420 lbs. with 6ft. max. free-fall for ANSI & OSHA compliant lanyards.
  2. Add 1.7ft. to DD for Canadian CSAZ259. 11-05 (E6) compliant lanyards.
  3. D-ring slide and harness stretch factors are built into HH and C
  4. DD shows in e.g. assumes maximum allowable amounts.

See user instruction manual for additional information!


Last Updated: Nov 6, 2017
Update History:
Nov 6, 2017 by jsjohnson from Calgary Fasteners
Nov 6, 2017 by jsjohnson from Calgary Fasteners