Skip to Main Content

This information is provided free of charge by the Department of Industrial Relations from its web site at These regulations are for the convenience of the user and no representation or warranty is made that the information is current or accurate. See full disclaimer at
Subchapter 4. Construction Safety Orders
Article 14. Construction Hoists
Return to index
New query

§1604.12. Location and Guarding of Counterweights.

(a) Location of Counterweights.

Counterweights shall be located either in or on the hoist structure which they serve.

(b) Counterweight Pit Guards.

(1) Design, Construction, and Location of Guards.

Guards shall extend from a point not more than 12 inches above the pit floor to a point not less than 6 feet or more than 8 feet above such floor, and shall be fastened to a metal frame properly reinforced and braced to be at least equal in strength and stiffness to No. 14 U.S. Gage Sheet Steel.

(c) Enclosure of Counterweight by the Hoisting Enclosure.

(1) Hoists Located Outside of Structure.

For hoists located outside of structures, the enclosures, except those at the lowest landing, may be omitted on the sides where there is no floor or scaffold adjacent to the counterweight way. Enclosures on the building side of the counterweight way shall be full height or a minimum of 8 feet at each floor landing. Other enclosures, where required, shall not be less than 8 feet high.

(2) Hoists Located Inside of Structure.

For hoists located inside of structures, the counterweight way shall be enclosed its full height.

(d) Pit Access. All doors, gates, or other entryways into the counterweight pit area shall be locked so as to prevent access by unauthorized personnel.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Sections 142.3, Labor Code.


1. New subsection (d) filed 12-13-90; operative 1-12-91 (Register 91, No. 3).

Go BackGo Back to Article 14 Table of Contents