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PDFWAC 296-874-40012

Meet these requirements when moving mobile scaffolds.

(1) You must make sure, before a scaffold is moved, that employees on the scaffold are made aware of the move.
(2) You must apply manual force being used to move a scaffold:
(a) As close to the base as practicable; and
(b) Within five feet (1.5 m) of the supporting surface.
(3) You must make sure power systems used to propel mobile scaffolds have been designed for such use.
(4) You must make sure forklifts, trucks, similar motor vehicles, or add-on motors are not used to propel scaffolds unless the scaffold has been designed to be used with that type of propulsion system.
(5) You must stabilize scaffolds to prevent tipping when they're being moved.
(6) You must make sure a scaffold is not moved with employees riding on it unless all of the following are met:
(a) The surface on which the scaffold is being moved is:
(i) Within three degrees of level; and
(ii) Free of pits, holes, and obstructions;
(b) No employee is on any part of the scaffold which extends out beyond the wheels, casters, or other supports;
(c) Outrigger frames, when used, are installed on both sides of the scaffold;
(d) The power system, if used:
(i) Applies the propelling force directly to the wheels; and
(ii) Produces a speed of one foot per second (.3 mps) or less;
(e) The height of the scaffold:
(i) Is not more than two times the least base dimension; or
(ii) The scaffold is designed and constructed to meet or exceed nationally recognized stability test requirements, such as those listed in ANSI/SIA A92.5, Boom-Supported Elevating Work Platforms, and ANSI/SIA A92.6, Self-Propelled Elevating Work Platforms.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-874-40012, filed 11/17/15, effective 12/18/15. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 05-01-054, § 296-874-40012, filed 12/7/04, effective 3/1/05.]
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