A safety railing is installed around the roof hatch extending forty-two inches above the roof surface. The safety railing consists of a prefabricated system such as a Bilco Bil-Guard or an approved equal manufactured by the hatch manufacturer.
42" ABOVE THE ROOF SURFACE HATCH SAFETY RAILING - BLICO BIL-GUARD OR EQUAL (TO BE MANUFACTURED BY HATCH MANUFACTURER)
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