Corporation piping class 22 or stronger is recommended.
that is function of anode and cathode in underground piping yes
Material Take Off
Pretty much anything - in the UK steel, copper, polyethylene and PVC are all used where suitable.
Cast iron, SS, Mild Steel
By knowing the availabe pressure and the diameter / material of the piping
Piping material used for forming gas would be 316L stainless steel.
that is function of anode and cathode in underground piping yes
Yes you are correct the material usually used for residential piping is indeed copper. It is the cheapest and lowest maintenance materials out there.
The most reliable material for z vent piping is stainless steel because it is strong and durable. The average cost for this type of piping will be between $35 and $55 but is well worth the cost for the product.
Material Take Off
Pretty much anything - in the UK steel, copper, polyethylene and PVC are all used where suitable.
As far as I know, for underground piping use plastic, for above ground steel or copper. That is the practice in the UK, but I don't know about the US. I would be surprised if it is different. We did have underground steel pipes but these are now being replaced with plastic and all new is plastic (underground)
There a re various joint and vales. Sometimes booster pumps .
your question is very general. Visit the following sites for tips about different piping topics.TIPS ABOUT COMPRESSED AIR PIPING-ECONOMIC PIPINGhttp://piping-info.blogspot.com/2011/11/compressed-air-piping-introduction.htmlPiping Tips: Piping Layout: The Engineering & Arthttp://piping-info.blogspot.com/2011/07/piping-layout-engineering-art.htmlPipe Support Tips: Pipe Support Design Guidelineshttp://piping-info.blogspot.com/2011/06/pipe-support-design-guidelines.html
PVC piping can be buried as deep as 30 feet. It all depends on what you are doing.
Would depend on the material the piping is made from
Cast iron, SS, Mild Steel