Section 1501:21-13-05 - Pipe conduit spillways, special requirements(A) Pipe conduits shall be of such design as to safely support the total external loads and convey flow without rupture or leakage.(B) Unless otherwise approved by the chief, the minimum inside dimension of the pipe conduit shall be:(1) Twenty-four inches for class I and class II dams.(2) Eighteen inches for class III dams.(C) All pipes shall have the ability to resist corrosion from surrounding soils and impounded materials based on current acceptable testing standards.(D) Corrugated metal pipe and corrugated plastic pipe shall not be used.Ohio Admin. Code 1501:21-13-05
Effective: 6/27/2024
Five Year Review (FYR) Dates: 3/3/2028
Promulgated Under: 119.03
Statutory Authority: 1521.06
Rule Amplifies: 1521.06, 1521.061, 1521.062
Prior Effective Dates: 04/15/1972, 10/15/1981, 12/09/1999, 01/16/2005, 05/24/2018