...Construction Standards City of Portland 2007 Standard Drawings/Details Part 1100 Water SupplySystems - Printable Version Part 01100 Water SupplySystems Section 01120 Irrigation Systems City Drawing Number Description Effective...
http://www.portlandonline.com/transportation/index.cfm?c=50383&a=255434
...Construction Standards City of Portland 2007 Standard Drawings/Details Part 1100 Water SupplySystems - Printable Version Part 01100 Water SupplySystems Section 01120 Irrigation Systems City Drawing Number Description Effective...
http://www.portlandonline.com/transportation/index.cfm?c=50383&a=255434