503 EM 385-1-1 Sections 20-26

24.F Ramps, Runways and Trestles.

24.F.01 Ramps, runways, and platforms must be as flat as conditions will permit. Where the slope exceeds 1 ft:5 ft (0.3 m:1.5 m), traverse cleats must be applied to the working surface.

24.F.02 Vehicle ramps, trestles, and bridges on which foot traffic is permitted must be provided with a walkway and guardrail outside the roadway. The roadway structures must be provided with wheel guards, fender logs, or curbs not less than 8 in (20.3 cm) high placed parallel and secured to the sides of the runway.

24.F.03 All locomotive and gantry crane trestles that extend into or pass over a work area, except where a crane is hoisting between rails, must be decked solid with not less than 2 in (5 cm) planking, or the equivalent, for the full length of the extension into the working area.

24.F.04 When used in lieu of steps, ramps must be provided with cleats to ensure safe access.

24.G Personnel Hoists and Elevators.

24.G.01 Design, construction, installation or erection, operation, inspection, testing, and maintenance of personnel hoists and elevators must be in accordance with the manufacturer's recommendations and the applicable ANSI standard.

1. Track-guided personnel hoist systems and structures that are temporarily installed inside or outside buildings during construction, alteration, or demolition must be in compliance with ANSI A10.4;
2. Rope-guided personnel hoist systems that are temporarily erected during construction, alteration, or demolition must be in compliance with ANSI A10.22;
3. Non-guided personnel hoist systems that are temporarily erected during construction, alteration, or demolition must be in compliance with ANSI A10.8 and ANSI A10.22. (An air-tugger hoist, or the equivalent meeting the criteria in section 4.2 of ANSI A10.22, may by substituted for a base-mounted hoist).
4. Elevators operating in permanent hoistways on the permanent guide rails for handling personnel during construction must be in compliance with ANSI/ASME A17.1
5. A copy of the manufacturer's manual covering construction, installation or erection, operation, inspection, testing, and maintenance and a copy of the applicable ANSI standard must be available on site.
6. Personnel hoists and elevators must comply with applicable requirements from section 16 of this manual.

24.G.02 Personnel hoists used in bridge tower construction must be approved by a registered engineer and erected under the supervision of a RPE competent in this field.

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