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HOISTWAY AND PIT ELECTRICAL NOTES
A load bearing wall is required to sustain rail reactions. See page 18 for rail reactions.
o
Suggested hoistway pit fl oor construction consists of an 8" (203 mm) concrete slab poured on a natural or
o
compacted soil with a minimum allowable bearing pressure of 1.0 KSF.
The minimum compressive strength of the concrete at 28 days must be no less than 3000 PSI.
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#5 reinforcing steel (grade 60) must be placed at the bottom of the slab in 2 traverse directions and at a
spacing of 12" (305 mm).
Hoistway pit fl oor to support a load of 10 kips (10,000 lbs)/44.48KN (includes impact).
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120"(3048 mm) overhead clearance required above the top landing fl oor with top prop (existing
construction).
134" (3404 mm) overhead clearance required above the top landing fl oor without top prop (new
o
construction).
14" (356 mm) minimum pit. (A clearance device is provided to attain required 36" (914 mm) refuge
o
space).
Hoistway sizes refl ect running and access clearances only. Consult your local AHJ to assure compliance with
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local codes.
Hoistway is required to be free of all pipes, wiring and obstructions not related to the operation of the
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elevator.
If a dedicated pit light is required by your local AHJ, please follow the guidelines below for accommodating
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this in your hoistway
Type 1 Cab
GFI
The dedicated GFI outlet
is approximately 24" up
9"
fi nished fl oor light switch
mounted directly above.
9" Clear Distance (from inside
fi nished surface of hoistway to
edge of electrical box).
Part No. 000682 15-m10-2015
8¼"
from the lower landing
Approximate space available for
a dedicated light with guard. We
recommend
mounting
after
the
elevator
5"
been installed to ensure adequate
clearance.
GFI
9"
the
light
doors
have
15¾"
10"
Type 2 Cab
Page 9 of 27
Orion Planning Guide
5"
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