Sec. 8-2.27. Counterweights. In factory buildings erected before or after October 1, 1913; in mercantile establishments in buildings erected before of after November 1, 1920

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(a) Counterweights that run in the same hoistway as the car shall be guarded throughout their travel unless there is a car enclosure on counterweight side, in which case a bottom shield not less than five feet high shall be provided.
(b) Counterweights that pass through the floors outside of hoistway shall be guarded on exposed sides to a height of six feet from the floor.

                    
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