Subchapter 7. General Industry Safety Orders
Group 10. Gas Systems for Welding and Cutting
Article 81. General

§4797. Approval and Marking.

(a) Employers must ensure that facilities, equipment, structures, or installations used to generate acetylene or to charge (fill) acetylene cylinders comply with the provisions of NFPA 51A Standard for Acetylene Cylinder Charging Plants 2006 Edition which is hereby incorporated by reference.

(b) When employers can demonstrate that the facilities, equipment, structures, or installations used to generate acetylene or to charge (fill) of acetylene cylinders were constructed or installed prior to February 16, 2006, these employers may comply with the provisions of NFPA 51A Standard for Acetylene Cylinder Charging Plants, 2001 Edition which is hereby incorporated by reference.

(c) The provisions of subsection (b) also apply when the facilities, equipment, structures, or installations were approved for construction or installation prior to February 16, 2006, but constructed and installed on or after that date.

(d) Auxiliary apparatus such as blowpipes (torches), regulators (pressure-reducing valves), compressors and booster systems, flame arresters and gages shall be approved. (See Section 3206)

(e) Equipment shall be installed and used only in the service for which it is approved.

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

HISTORY

1. Amendment filed 5-16-75; effective thirtieth day thereafter (Register 75, No. 20).

2. Amendment of subsections (a) and (c) filed 6-12-87; operative 7-12-87 (Register 87, No. 26).

3. Amendment filed 7-1-2010; operative 7-1-2010 pursuant to Government Code section 11343.4. Submitted to OAL for printing only pursuant to Labor Code section 142.3(a)(3) (Register 2010, No. 27).