- (a) Piping and fittings shall comply with Chapters 1 through 4 of the American National Standard Code for Pressure Piping, ASME B31.1.2001, Power Piping, which is hereby incorporated by reference, insofar as it does not conflict with (b) and (c).
- (b) Pipe shall be at least Schedule 40 and fittings shall be at least standard weight in sizes up to and including 6-inch nominal.
- (c) Copper tubing shall be Types K or L in accordance with the Standard Specification for Seamless Copper Water Tube, ASTM B88-96 which is hereby incorporated by reference.
- (d) Piping shall be steel, wrought iron, brass or copper pipe, or seamless copper, brass or stainless steel tubing, except as provided in Sections 4822 and 4823.
- (e) Service piping systems shall be protected by pressure relief devices set to function at not more than the design pressure of the systems and discharging upwards to a safe location.
Note: Authority cited: Section 142.3, Labor Code. Reference:Section 142.3, Labor Code.
History
1. New section filed 5-16-75; effective thirtieth day thereafter (Register 75, No. 20).
2. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. 29).
3. Amendment of subsections (a), (c) and (e) filed 6-12-87; operative 7-12-87 (Register 87, No. 26).
4. Amendment of subsection (c) filed 1-6-99; operative 2-5-99 (Register 99, No. 2).
5. Amendment of subsection (a) filed 6-2-2003; operative 7-2-2003 (Register 2003, No. 23).