{"operation":"document","citation":"HAR 6-77-180","title":"HAR 6-77-180 Transmission lines: permanent field repair of welds","source_type":"regulation","agency":"Hawaii Public Utilities Commission","status":"current","official":true,"published_on":"1994-04-15","effective_on":"1994-09-03","summary":"unacceptable under section 6-77-80(c) must be repaired as follows: (1) If it is feasible to take the segment of transmission line out of service, the weld must be repaired in accordance with the applicable requirements of section 6-77-82. (2) A weld may be repaired in accordance with section 6-77-82","machine_formats":{"json":"https://regulus.evalyn.ai/document/hi-har-har-6-77-180.json","markdown":"https://regulus.evalyn.ai/document/hi-har-har-6-77-180.md"},"app_url":"https://regulus.evalyn.ai/document/hi-har-har-6-77-180","source_url":"https://puc.hawaii.gov/wp-content/uploads/2026/04/HAR-6-77-Transp-of-Gas-03-31-2026.pdf","body":"unacceptable under section 6-77-80(c) must be repaired as follows: (1) If it is feasible to take the segment of transmission line out of service, the weld must be repaired in accordance with the applicable requirements of section 6-77-82. (2) A weld may be repaired in accordance with section 6-77-82 while the segment of transmission line is in service if: (A) The weld is not leaking; (B) The pressure in the segment is reduced so that it does not produce a stress that is more than twenty percent of the SMYS of the pipe; and (C) Grinding of the defective area can be limited so that at least 1/8-inch thickness in the pipe weld remains; (3) A defective weld which cannot be repaired in accordance with paragraph (1) or (2) must be repaired by installing a full encirclement welded split sleeve of appropriate design. [Eff ] (Auth: HRS '269-6) (Imp: 49 C.F.R. '192.715, October 1, 1990)","truncated":false,"body_characters":889}