City of Orange, CA
Home MenuEngineering Standards
Below are the Standard Plans and Specifications.
OWD-303_Combination Fire Hydrant and Approved Backflow Device Assembly for Long Side Street Crossing- OWD-304_Combination Fire and Domestic Service Installation (0.75-inch to 2-inch) (Copper Tubing)
- OWD-305_Typical 3-inch and Larger Backflow Prevention Device
- OWD-306_Typical 2-inch and Smaller Backflow Prevention Device
- OWD-307_Well Destruction
- OWD-308_Water Quality Sampling Station
- OWD-309_3-inch Pressure Relief Valve Installation
- OWD-310_Enclosure for 2-inch and Smaller Backflow Prevention Device
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