RegulationsHAR 6-77-170RegulationcurrentHAR 6-77-170HAR 6-77-170 Tapping pipelines under pressureCurrent as of 1994-09-03 Government sourceHawaii Public Utilities CommissionOfficial agency materialView source 2 passagespressure must be performed by a crew qualified to make hot taps. [Eff ] (Auth: HRS '269-6) (Imp: 49#C.F.R. '192.627, October 1, 1990)#