Section 6-77-179 - Transmission lines: permanent field repair of imperfections and damages(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: 49C.F.R. §192.713, OCT 1, 1990)