§ 531.13 Standard Dimensions and Weight of Copper Pipe
   Weights of copper pipes or tubes shall be not less than the following:
 
3/4 in. bore
thickness .065 inch, weight per foot 0.640 lb.
1 in. bore
thickness .065 inch, weight per foot 0.838 lb.
 
(Ord. No. 99566. Passed 5-22-33)