Authority: IC 14-10-2-4; IC 14-15-7-3; IC 14-26-2-23
Affected: IC 14-15; IC 14-26-2
Sec. 20.
"Riprap" means angular, limestone rock that satisfies each of the following conditions:
(1) No individual piece weighs more than one hundred twenty (120) pounds.(2) At least ninety percent (90%) of the material passes through a twelve (12) inch sieve.(3) Not more than ten percent (10%) of the material passes through a six (6) inch sieve.Natural Resources Commission; 312 IAC 11-2-20; filed Feb 26, 1999, 5:49 p.m.: 22 IR 2222; readopted filed Aug 4, 2005, 6:00 p.m.: 28 IR 3661; filed Sep 14, 2005, 2:45 p.m.: 29 IR 465; readopted filed Jul 28, 2011, 10:28 a.m.: 20110824-IR-312110042RFAReadopted filed 7/19/2017, 3:46 p.m.: 20170816-IR-312170133RFAReadopted filed 3/22/2023, 4:07 p.m.: 20230419-IR-312230066RFA