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RE: design load for fall protection.

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Dear Michael:
An interpretation of the OSHA provisions for Personal Fall Arrest Systems by Roy F. Gurnham (OSHA Director of Construction and Maritime Compliance Assistance) dated 9 Feb 1995, may be found on OSHA's website: It says that a safety factor of 2 should be applied to the maximum arresting force (MAF). The MAFs for various harnesses are provided in OSHA 1926.502(d)(16).


Ben Cornelius

From: "Michael Laplante" <michael.laplante(--nospam--at)>
Reply-To: <seaint(--nospam--at)>
To: <seaint(--nospam--at)>
Subject: design load for fall protection.
Date: Wed, 20 Oct 2004 12:06:13 -0400

I am designing support beams for a telescoping monorail crane. The client requires an attachment point to secure the operator. What design load is required by OHSA to arrest the freefall. There is an opening in the floor to access the level below. I have in the past used ( while working in the states) 5000 lbs. The project is in Montreal ( where I work now) and I can not find any reference to this type of loading.


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