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(a) If there is more than one crane on the same runway, buffers or other cushioning devices shall be placed between the cranes at both ends of the bridges or gantries.
(b) Buffers shall have energy absorbing capacity to stop the crane when traveling at a speed of at least 40 percent of rated load speed, but the average deceleration rate shall not exceed 3 feet per second per second when traveling in either direction at 20 percent of the rated load speed.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment of subsection (b) filed 2-13-75; effective thirtieth day thereafter (Register 75, No 7).
2. Amendment of subsection (b) filed 8-29-86; effective thirtieth day thereafter (Register 86, No. 39).