13.16.370   Casing--Thickness.
   Where steel casing is used it shall be not less than the thickness set forth in the following table:
 
Diameter
Gauge
Thickness in Inches
6 inch
12
0.1046
8 inch
12
0.1046
10 inch
12
0.1046
12 inch
12
0.1046
14 inch
10
0.1345
more than 14 inch
8
0.1644
 
(Prior code § 7796)