# HAR 6-77-199 Caulked bell and spigot joints

- **operation:** document
- **citation:** HAR 6-77-199
- **title:** HAR 6-77-199 Caulked bell and spigot joints
- **source type:** regulation
- **agency:** Hawaii Public Utilities Commission
- **status:** current
- **official:** true
- **published on:** 1994-04-15
- **effective on:** 1994-09-03
- **summary:** joint that is subject to pressures of 25 p.s.i.g. or more must be sealed with: (1) A mechanical leak clamp; or (2) A material or device which: (A) Does not reduce the flexibility of the joint; (B) Permanently bonds, either chemically or mechanically, or both, with the bell and spigot metal surfaces 
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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:**

joint that is subject to pressures of 25 p.s.i.g. or more must be sealed with: (1) A mechanical leak clamp; or (2) A material or device which: (A) Does not reduce the flexibility of the joint; (B) Permanently bonds, either chemically or mechanically, or both, with the bell and spigot metal surfaces or adjacent pipe metal surfaces; and (C) Seals and bonds in a manner that meets the strength, environmental, and chemical compatibility requirements of section 6-77-20(1) and (2) and section 6-77-41. (b) Each cast iron caulked bell and spigot joint that is subject to pressures of less than 25 p.s.i.g. and is exposed for any reason, must be sealed by a means other than ] (Auth: HRS '269-6) (Imp: 49 C.F.R. '192.753, October 1, caulking. [Eff 1990)
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