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Subchapter 14. Petroleum Safety Orders--Drilling and Production
Article 25. Crown Platforms and Railings
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§6590. Portable Cantilever Derricks and Masts: Crown Platforms and Railings.

(a) A platform at least twenty-four inches (24") wide shall be provided approximately level with the top of the derrick or mast and continuous along at least three sides of the crown block. This platform shall provide access to the sheaves and lubricant feeders if oiling is done at the crown block level.

NOTE: If the crown block is of such size and configuration that it can be safely inspected and serviced from one side, the crown platform may be limited to one side only. A smaller platform may be used if employees are provided with and required to use safety belts and lanyards.

(b) The outer edges of the platform shall be equipped with standard railings and toeboards.

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


1. Amendment of section heading and section and new Note filed 5-8-95; operative 6-7-95 (Register 95, No. 19).

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