{"operation":"document","citation":"HAR 6-77-179","title":"HAR 6-77-179 Transmission lines: permanent field repair of imperfections and damages","source_type":"regulation","agency":"Hawaii Public Utilities Commission","status":"current","official":true,"published_on":"1994-04-15","effective_on":"1994-09-03","summary":"(a) Except as provided in subsection (b), each imperfection or damage that impairs the serviceability of a segment of steel transmission line operating at or above forty percent of SMYS must be repaired as follows: (1) If it is feasible to take the segment out of service, the imperfection or damage ","machine_formats":{"json":"https://regulus.evalyn.ai/document/hi-har-har-6-77-179.json","markdown":"https://regulus.evalyn.ai/document/hi-har-har-6-77-179.md"},"app_url":"https://regulus.evalyn.ai/document/hi-har-har-6-77-179","source_url":"https://puc.hawaii.gov/wp-content/uploads/2026/04/HAR-6-77-Transp-of-Gas-03-31-2026.pdf","body":"(a) Except as provided in subsection (b), each imperfection or damage that impairs the serviceability of a segment of steel transmission line operating at or above forty percent of SMYS must be repaired as follows: (1) If it is feasible to take the segment out of service, the imperfection or damage must be removed by cutting out a cylindrical piece of pipe and replacing it with pipe of similar or greater design strength; (2) If it is not feasible to take the segment out of service, a full encirclement welded split sleeve of appropriate design must be applied over the imperfection or damage; and (3) If the segment is not taken out service, the operating pressure must be reduced to a safe level during the repair operations. (b) Submerged offshore pipelines and submerged pipelines in inland navigable waters may be repaired by mechanically applying a fully encirclement split sleeve of appropriate design over the imperfection or damage. [Eff ] (Auth: HRS '269- 6) (Imp: 49 C.F.R. '192.713, October 1, 1990)","truncated":false,"body_characters":1015}