Qualcraft Guardrail Receiver - Manual (Page 9)

Installation and Use
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Prior to use, plan the entire Fall Prevention system. 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.
1. Selected work area must be free of all hazards, including, but not limited to, debris, rot, decay,
cracking, and hazardous materials. NEVER install Guardrail Receivers on top of gravel or other
loose or slippery surfaces.
2. Guardrail Receivers may be spaced a MAXIMUM of 8’ apart. Guardrail systems must be
installed a MINIMUM 10’ from power lines and all other electrical hazards.
3. All guardrail posts, guardrails, 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, or compatible snap-on metal rails.
4. Toprails must be 42” (+/- 3”) above the work surface or, if used in stilt work applications, 42”
plus height of stilts.
5. Midrails must be halfway between the top edge of the guardrail system and the working
level (not the toeboard).
6. All intermediary rails (not the toprail or the midrail) must not allow for gaps greater than 19”.
7. Toeboards are REQUIRED on surfaces with slopes more than 4/12 (vertical/horizontal).
8. Toeboards are REQUIRED if a risk exists for tools, equipment, materials, or other substances to
fall down to a lower level.
9. 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.
10. Lay out the job by measuring and spacing the location of Guardrail Receivers on the work
surface. Failure to properly measure and plan ahead may result in having to move and reinstall
system components.