Section 6-77-115 - Service lines: connections to cast iron or ductile iron mains(a) Each service line connected to a cast iron or ductile iron main must be connected by a mechanical clamp, by drilling and tapping the main, or by another method meeting the requirements of section 6-77-84.(b) If a threaded tap is being inserted, the requirements of sections 6-77-46(b) and (c) must also be met.[Eff ] (Auth: HRS § 269-6) (Imp: 49 C.F.R. §192.369, OCT 1, 1990)