1 Technical Requirements - Pacific Gas and Electric Company

Electric Fusion Welded Pipe (EFW) may be used, as long as all requirements of ANSI B31.1 are met. The identifications and paint colors of all pipe-work shall be approved by the Purchaser. Extra strong or schedule 80 shall be used for all piping 2 inches and smaller, except for stainless steel construction where schedule 40S may be used. ................
................