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Subchapter 14. Petroleum Safety Orders--Drilling and Production
Article 47. General Safety Provisions and Precautions
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§6655. General Safety Provisions and Precautions.

(a) The reeving of the hoisting line onto the sheaves of a traveling block shall be done at the derrick floor level.

(b) A hand line shall be provided and used to carry a cat line, drilling line, sand line, hoisting line or other such lines up the derrick and over the sheaves, unless there is already a line at the top of the derrick suitable for the purpose.

(c) Employees shall not be required or permitted to ride or be hoisted by the catline, sand line, traveling block, the traveling block hook, the elevators or any of the equipment suspended from the traveling block except in an emergency, and the employee is secured with a safety belt and lanyard.

(d) If drill pipe or tools have been made up, the tool joints shall not be initially loosened by rotating the rotary table. Drill bits shall not be torqued up by rotating the rotary table.

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


1. New subsection (f) filed 7-20-59; effective thirtieth day thereafter (Register 59, No. 12).

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

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