California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 15 - Petroleum Safety Orders-Refining, Transportation and Handling
Article 5 - Fire and Explosions
Section 6777 - Hot Work Procedures and Permits
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Scope and application. This section contains the required practices and procedures necessary to protect employees from fire and explosion hazards associated with hot work. This section applies to all hot work operations, except as provided in subsections (a)(1) and (a)(2).
(b) Hot work procedures. Before hot work is begun, the employer shall determine that a source of ignition can be safely used. In locations where flammable vapors may be present, precautions shall be taken to prevent ignition by eliminating or controlling sources of ignition. A source of ignition shall not be introduced into an area until all of the following required actions have been completed:
(c) A source of ignition shall not be used where the concentration of flammable gases or vapors exceeds 20 percent of the LEL.
(d) Suitable fire extinguishing equipment shall be readily available in the area where hot work is performed.
(e) Hot work permits.
Except for those operations identified in subsection (a)(2), a written and numbered hot work permit shall be completed, signed and issued by the employer or his authorized agent before a source of ignition is used. As part of this hot work permit issuance procedure, the employer shall verify that all of the required actions identified in subsection (b) have been completed before a hot work permit is issued.
(f) Before an employee introduces a source of ignition, the employer shall provide a copy of the hot work permit to the employee or shall post a copy of the permit in the area of the planned hot work. The copy of the permit shall be kept on the job where the source of ignition is being used until the work is completed, or the permit expires or is revoked.
(g) The hot work permit shall contain the following information:
(h) The employer shall revoke the permit under the following conditions:
(i) The employer issuing the hot work permit shall keep a copy of the permit on file at the plant of issue for at least six months after the date of issue.
1.
Amendment of section heading and text and new NOTE filed 9-6-94; operative
10-6-94 (Register 94, No. 36).
2. Amendment of section heading and
section filed 11-9-2004; operative 12-9-2004 (Register 2004, No.
46).
3. Editorial correction of subsection (b) (Register 2005, No.
44).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.