Hoistway Doors and Gates for Passenger and Freight Installation

Hoistway Doors and Gates for Passenger and Freight Installation

Department of Labor
8-1.21Operation.8-1.22Construction.8-1.23Operation.8-1.24Construction of doors.8-1.25Landings.8-1.26Thoroughfares under elevators.8-1.27Flooring.8-1.28Machinery.8-1.29Machine guards.8-1.30Machine brakes.
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