# Hotwork.

- **operation:** document
- **citation:** 49 CFR 193.2811
- **title:** Hotwork.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 1999-10-01
- **summary:** Welding, flame cutting, and similar operations are prohibited, except at times and places that the operator designates in writing as safe and when constantly supervised in accordance with ANSI/NFPA-51B.

[45 FR 9203, Feb. 11, 1980, as amended at 58 FR 14522, Mar. 18, 1993]
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-193-2811.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-193-2811.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2811
- **source url:** https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2811
**body:**

Welding, flame cutting, and similar operations are prohibited, except at times and places that the operator designates in writing as safe and when constantly supervised in accordance with ANSI/NFPA-51B.

[45 FR 9203, Feb. 11, 1980, as amended at 58 FR 14522, Mar. 18, 1993]
- **truncated:** false
- **body characters:** 273