{"operation":"document","citation":"HAR 6-77-175","title":"HAR 6-77-175 Transmission lines: leakage surveys","source_type":"regulation","agency":"Hawaii Public Utilities Commission","status":"current","official":true,"published_on":"1994-04-15","effective_on":"1994-09-03","summary":"line shall provide for periodic leakage surveys of the line in its operating and maintenance plan. (b) Leakage surveys of a transmission line must be conducted at intervals not exceeding 15 months, but at least once each calendar year. However, in the case of a transmission line which transports gas","machine_formats":{"json":"https://regulus.evalyn.ai/document/hi-har-har-6-77-175.json","markdown":"https://regulus.evalyn.ai/document/hi-har-har-6-77-175.md"},"app_url":"https://regulus.evalyn.ai/document/hi-har-har-6-77-175","source_url":"https://puc.hawaii.gov/wp-content/uploads/2026/04/HAR-6-77-Transp-of-Gas-03-31-2026.pdf","body":"line shall provide for periodic leakage surveys of the line in its operating and maintenance plan. (b) Leakage surveys of a transmission line must be conducted at intervals not exceeding 15 months, but at least once each calendar year. However, in the case of a transmission line which transports gas in conformity with section 6-77-169 without an odor or odorant, leakage surveys using leak detector equipment must be conducted: (1) In Class 3 locations, at intervals not exceeding 7-1/2 months, but at least twice each calendar year; and (2) In Class 4 locations, at intervals not exceeding 4-1/2 months, but at least four times each calendar year. [Eff ] (Auth: HRS '269-6) (Imp: 49 C.F.R. '192.706, October 1, 1990)","truncated":false,"body_characters":719}