Cal. Code Regs. tit. 8, § 3642
(a) The platform deck shall be equipped with:
(2) For all other mast-climbing work platforms not included in (a)(1), the inboard guardrail may be removed provided: (a) the inboard edge of the work platform or platform extension is no more than 12 inches from the building or structure wall or (b) approved personal fall protection systems are used in accordance with Section 1670.
Note: Equipment buckets, tubs, or pin-on platforms refer to Section 3647.
A guardrail or other structure around its upper periphery that shall be 42 inches high, plus or minus 3 inches, with a midrail. (Chains or the equivalent may be substituted where they give equivalent protection.) Where the guardrail is less than 39 inches high, an approved personal fall protection system as defined in Section 3207 of these Orders shall be used in accordance with the requirements of Section 3648(o) of this Article.
(d) Any powered elevating work platform shall have both upper and lower control devices. Controls shall be plainly marked as to their function and guarded to prevent accidental operation. The upper control device shall be in or beside the platform, within easy reach of the operator. The lower control device shall have the capability to lower the platform where the operator's safety is in jeopardy.
Exception: Mast-climbing work platform controls shall be located only on the platform.
(f) Elevating Work Platforms shall include:
(1) Toe boards at sides and ends which shall not be less than 3 ½ inches high.
Exception: Toe boards may be omitted at the access openings and on television and movie camera booms.
(g) Mast-climbing work platforms shall include the following fire safety provisions:
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment filed 10-12-84; effective thirtieth day thereafter (Register 84, No. 41).
2. Amendment of section heading and subsection (a) filed 10-4-99; operative 11-3-99 (Register 99, No. 41).
3. New subsections (a)(1)-(2), amendment of subsection (d) and new subsections (g)-(g)(2) filed 2-27-2006; operative 3-29-2006 (Register 2006, No. 9).