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The orders in this article shall apply to locomotive cranes, crawler cranes, motor truck cranes, boom-type excavators and any modification of these types which retain their characteristic mobility, except such units of one ton or less capacity. Also excluded are cranes designed and used exclusively for clearing railway and/or automobile wreck(s) and aerial devices designed and used for positioning personnel. The requirements of Section 4924 are applicable only to machines when used in lifting service.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment filed 8-29-86; effective thirtieth day thereafter (Register 86, No. 39).
2. Amendment filed 9-25-2006; operative 10-25-2006 (Register 2006, No. 39).8 CCR s 4920, 8 CA ADC s 4920 1CAC