Section R. 460.20331 - Caulked bell and spigot jointsRule 331. The requirements contained in 49 C.F.R.§ 192.753(a), which is adopted by reference in R 460.20606, are superseded by the following:
(a) An operator shall seal a cast-iron, caulked bell and spigot joint subject to pressures of more than 10 psig with either of the following: (i) A mechanical leak clamp.(ii) A material or device that has all of the following characteristics: (A) Does not reduce the flexibility of the joint.(B) Permanently bonds, either chemically or mechanically, or both, with the bell and spigot metal surfaces or adjacent pipe metal surfaces.(C) Seals and bonds in a manner that meets the strength, environmental, and chemical compatibility requirements of 49 C.F.R.§ 192.53 and 49 C.F.R. §192.143, which are adopted by reference in R 460.20606.Mich. Admin. Code R. 460.20331
1998-2000 AACS; 2019 MR 1, Eff. 1/3/2019