# HAR 6-77-138 Remedial measures: general

- **operation:** document
- **citation:** HAR 6-77-138
- **title:** HAR 6-77-138 Remedial measures: general
- **source type:** regulation
- **agency:** Hawaii Public Utilities Commission
- **status:** current
- **official:** true
- **published on:** 1994-04-15
- **effective on:** 1994-09-03
- **summary:** replaces pipe removed from a buried or submerged pipeline because of external corrosion must have a properly prepared surface and must be provided with an external protective coating that meets the requirements of section 6-77-127. (b) Each segment of metallic pipe that replaces pipe removed from a 
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- **source url:** https://puc.hawaii.gov/wp-content/uploads/2026/04/HAR-6-77-Transp-of-Gas-03-31-2026.pdf
**body:**

replaces pipe removed from a buried or submerged pipeline because of external corrosion must have a properly prepared surface and must be provided with an external protective coating that meets the requirements of section 6-77-127. (b) Each segment of metallic pipe that replaces pipe removed from a buried or submerged pipeline because of external corrosion must be cathodically protected in accordance with this subchapter. (c) Except for cast iron or ductile iron pipe, each segment of buried or submerged pipe that is required to be repaired because of external corrosion must be cathodically protected in accordance with this subchapter. [Eff (Imp: 49 C.F.R. '192.483, October 1, 1990) ] (Auth: HRS '269-6)
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