You can download Piping Design Info Spreadsheet
weight-of-piping-material.xls
Cover sheet of Piping-Parts
Piping-Parts-Minimum-assembly-dimension.xls
Autocad Template
PLAN.DWG | ISO1.DWG | ISO2.DWG
download here http://www.epcpj.com/piping-design-info/
Don’t forget to check out http://www.azpiping.com/online-guides-links/