Fall Clearance Calculation Using an SRL - Gorbel

Fall Clearance Calculation Using an SRL

Self-Retracting Lanyard

AH:

WH:

CR:

FFD:

DD:

HS:

SF:

SRL:

Anchor Height

Worker Height (standing)

Clearance Required

Free Fall Distance*

Deceleration Distance*

Harness Stretch*

Safety Factor*

Self Retracting Lanyard Length

SRL

BEFORE FALL

FFD

WH

*All added up = Total Fall Distance (TFD)

NOTE: Total Fall Distance (TFD) must be

less than the Clearance Required (CR)

(Total Fall Distance < Clearance Required)

FREE FALL

Working Surface

? OSHA requires Free Fall Distance to be

less than 24¡±, but when using self-retracting

lanyard (SRL), the typical activation

distance is ~12¡±.

OSHA Regulation: FFD = ................
................

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