Rule 411. In addition to the requirements set forth in 49 C.F.R.§192.309, which is adopted by reference in R 460.20606, an operator of pipeline facilities used in the transportation of sour gas shall remove any imperfection or damage discovered during construction that impairs the serviceability of a length of steel pipe by cutting out the damaged portion of the pipe as a cylinder and replacing it with an undamaged piece of pipe which meets or exceeds the specifications of the original pipe.
Mich. Admin. Code R. 460.20411