RegulationsHAR 6-77-28RegulationcurrentHAR 6-77-28HAR 6-77-28 GeneralCurrent as of 1994-09-03 Government sourceHawaii Public Utilities CommissionOfficial agency materialView source 2 passagesinstalled with adequate protection, to withstand anticipated external pressures and loads that will be imposed on the pipe after installation. [Eff ] (Auth: HRS '269-6) (Imp: 49#C.F.R. '192.103, October 1, 1990)#