Yes, we do it all the time under certain conditions
1-1/2 inch drain for above grade and 2 inch drain for below grade. Most UPC-based codes (IAPMO) require 2 inch above and below grade.
grade 1
how to identify grade of G.I pipe ?
on a hoist
what grade would a 4" drain pipe 40 feet long require
No. Australian pipe threads are metric and the US is not.
The pipe usually goes under the slab.
You need at least a 3 in. pipe -- shower is 2 in. pipe
Call a pumer
Pipe ERW black pipe class -B And Class-C difference.
I would install studs, or struts, on each side of the pipe in question.
table x