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Installation and Use
Prior to use, plan your system:
1. All leading edges of fall hazards must be blocked, or a supplemental Fall Protection system MUST be used
in combination with, but never connected to, the applicable Fall Prevention system.
2. Selected work area must be free of all hazards, including, but not limited to, debris, rot, decay, cracking,
and hazardous materials. NEVER install guardrail system on top of gravel or other loose or slippery surfaces.
3. Lay out the job by measuring and spacing the location of Universal Guardrail Posts on the work surface.
Failure to properly measure and plan ahead may result in having to move and reinstall system components.
Universal Guardrail Post rungs must face in towards work surface.
4. Universal Guardrail Posts may be spaced a MAXIMUM of 8’ apart. Guardrail systems must be installed a
MINIMUM 10’ from power lines and all other electrical hazards.
5. All Universal Guardrail Posts, guardrails, baseplates/guardrail receivers, and all other equipment must be
selected and deemed compatible by a Competent Person. All guardrails MUST be compatible 2” x 4“ or 2” x 6“
construction grade lumber, compatible snap-on metal rails, or compatible galvanized steel cable. Lumber
guardrails must overlap a minimum 12” on each end.
6. Toprails must be 42” (+/- 3”) above the work surface or, if used in stilt work applications, 42” plus height
of stilts. Toprails must withstand a minimum 200 lb. downward or outward force.
7. Midrails must be halfway between the top edge of the guardrail system and the working level (not the
toeboard). Midrails must withstand a minimum 150 lb. downward or outward force.
8. All intermediary rails (not the toprail or the midrail) must not allow for gaps greater than 19”.
9. Toeboards are REQUIRED on surfaces with slopes more than 4/12 (vertical/horizontal), and/or if a risk
exists for tools, equipment, materials, or other substances to fall down to a lower level. Toeboards must be a
minimum 3½” from their top edge to the work surface, and must not have greater than ¼” clearance
between their bottom edge and the work surface. Toeboards must withstand a minimum 50 lb. downward or
outward force.
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