Steel pipe encasements twelve (12) inches in diameter or greater shall be new or in good condition and shall conform to ASTM Specification A-252 Gr. 2 or better. Such pipe will be of thickness required to withstand all external and internal stresses and will be of a thickness not less than the following:
12" diameter .......... | 0.188" |
14"diameter .......... | 0.188" |
16" diameter .......... | 0.188" |
18" diameter .......... | 0.188" |
24" diameter .......... | 0.250" |
30" diameter .......... | 0.250" |
36" diameter .......... | 0.250" |
60" diameter .......... | 0.250" |
37 Miss. Code. R. § 1-7501-04001-1202