ALL:
What are the installation trench requirements for an underground / buried 4" gas pipeline (850psig); depth of trench, soil compaction requirements (ASCE #, section #),
and thickness of sand around pipe = # ?
Reference Spec / STD's listed......
DBradley
I have to install a new 4" CNG return pipeline about 540' long on-site in TX and I have to inherit an about 540'4" & 6" supply and return. Do I need to design and install a PIG station so the onsite pipeline can be inspected and why or why not!
David Bradley
Mechanical Engineer