Section 6-77-85 - Cast iron pipe(a) Each caulked bell and spigot joint in cast iron pipe must be sealed with mechanical leak clamps.(b) Each mechanical joint in cast iron pipe must have a gasket made of resilient material as the sealing medium. Each gasket must be suitably confined and retained under compression by a separate gland or follower ring.(c) Cast iron pipe may not be joined by threaded joints.(d) Cast iron pipe may not be joined by brazing.[Eff ] (Auth: HRS § 269-6) (Imp: 49 C.F.R. §192.275, OCT 1, 1990)