Hot Work
All Harvard University employees shall be in compliance with the Occupational Safety and Health Administration's (OSHA) standards for Hotwork, 29 CFR 1910 Subpart Q. In addition, the following guidelines should be followed:
- A permit for flammable and nonflammable gas storage must be obtained from the Cambridge Fire Department and the conditions of the permit must be satisfied.
- Remove combustible materials from the area before beginning hot work activities.
- Elevate oxygen/acetylene hoses seven feet above the work area or otherwise protect them from damage.
- Install anti-flashback (safety/check) valves on both the oxygen/acetylene hoses at the regulator.
- Shield adjacent areas with welding partitions and post "warning" signs indicating welding is in progress.
- Have a second person stand by with an approved fire extinguisher for welding and burning operations in accordance with OSHA regulations and permit requirements. This person should remain in the area for a minimum of 30 minutes after the hot work is completed to ensure the site is cold.
