Ind. Admin. Code tit. 355, r. 2-3-8 – Pipes and fittings

Sec. 8. Pipes and fittings shall be adequately supported to prevent sagging and possible breakage because of gravity and other forces that may be encountered in the ordinary course of operations. All hoses and piping, except for schedule 80 or greater or made of stainless steel, shall be located in a contained area or double sleeved. Underground piping is permitted providing the piping is:

(1) made of stainless steel;
(2) enclosed in secondary containment (a pipe within a pipe); or
(3) hydrostatically tested annually.

(State Chemist of the State of Indiana; 355 IAC 2-3-8; filed Mar 8, 1991, 2:45 p.m.: 14 IR 1392, eff one hundred twenty (120) days after filing with secretary of state; readopted filed Jun 20, 2001, 3:20 p.m.: 24 IR 3822; filed Aug 10, 2005, 1:00 p.m.: 28 IR 3573; readopted filed Apr 27, 2007, 2:03 p.m.: 20070509-IR-355070039RFA; readopted filed Nov 13, 2013, 10:42 a.m.: 20131211-IR-355130442RFA; readopted filed Sep 19, 2019, 11:20 a.m.: 20191016-IR-355190392RFA; readopted filed Nov 4, 2025, 3:13 p.m.: 20251119-IR-355240618RFA)