# Insulation.

- **operation:** document
- **citation:** 49 CFR 193.2109
- **title:** Insulation.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 1999-10-01
- **summary:** During normal operations, insulation materials must:

(a) Maintain insulating values;

(b) Withstand thermal and mechanical design loads; and

(c) Be covered with a material that is noncombustible in the installed state, is not subject to detrimental ultraviolet decay, and that can withstand the for
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- **markdown:** https://regulus.evalyn.ai/document/49-cfr-193-2109.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2109
- **source url:** https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2109
**body:**

During normal operations, insulation materials must:

(a) Maintain insulating values;

(b) Withstand thermal and mechanical design loads; and

(c) Be covered with a material that is noncombustible in the installed state, is not subject to detrimental ultraviolet decay, and that can withstand the forces of wind according to ASCE 7-88 and anticipated loading which could occur in a controllable emergency.

[45 FR 9203, Feb. 11, 1980, as amended by Amdt. 193-1, 45 FR 57419, Aug. 28, 1980; 58 FR 14522, Mar. 18, 1993]
- **truncated:** false
- **body characters:** 517