Cal. Code Regs. tit. 8, § 3093.24 – Overhead Machinery Beams and Supports.

(a) All machinery and sheaves shall be so supported and secured as to prevent any part from becoming loose or displaced.
(b) Beams supporting machinery shall be of steel, sound timber or reinforced concrete.
(c) Overhead beams and their supports shall be designed for not less than the sum of the following:
1. (1) The load resting on the beams and their supports which shall include the complete weight of the machine, sheaves, controller and any other equipment supported thereon.
2. (2) Two times the sum of the tension on all suspension ropes or chains.
  (Title 24, Part 7, Section 7-3093.24)

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.

1. New section filed 7-22-86; effective thirtieth day thereafter (Register 86, No. 36).

2. Amendment of section heading and subsections (a) and (c) filed 8-29-2001; operative 9-28-2001 (Register 2001, No. 35).