Skip to main content
Water droplet banner

Cross Connection Forms & Typicals

Download forms and AutoCAD typicals for backflow prevention devices

To better facilitate those testing and installing backflow prevention devices, we have forms and typicals available for download. Forms are available as PDF documents. Typicals are available as both PDF and AutoCAD .dwg format, in the event the typical needs to be included on an engineering plan or specification sheet.
Cross Connection Forms
Form Name PDF
Backflow Preventer Test Form PDF
Tester Information Form PDF
Backflow Preventer Application PDF
Cross Connection Typicals
Document Name PDF DWG
Vault Coupling PDF DWG
Reduced Pressure Principle (RP) ¾ in. – 2 in. Commercial PDF DWG
Reduced Pressure Principle (RP) ¾ in. – 2 in. Tandem Above Ground PDF DWG
Reduced Pressure Principle (RP) ¾ in. – 1½ in. Lawn Irrigation PDF DWG
Reduced Pressure Principle (RP) 3 in. – 10 in. Above Ground PDF DWG
Offsets and Restraints PDF DWG
Fireline Connection 3 in. – 10 in. Above Ground PDF DWG
Fireline Connection 3 in. – 10 in. PDF DWG
Double Check Valve (DC) ¾ in. – 2 in. Below Ground Traffic PDF DWG
Double Check Valve (DC) ¾ in. – 2 in. Below Ground Non-Traffic PDF DWG
Double Check Valve (DC) ¾ in. – 2 in. Above Ground PDF DWG
Double Check Valve (DC) 3 in. – 10 in. Below Ground Vault PDF DWG
Double Check Valve (DC) 3 in. – 10 in. Above Ground PDF DWG
Double Check Detector (DC) 3 in. – 10 in. Above Ground PDF DWG
Above Ground Enclosure ¾ in. – 1 in. PDF DWG
Above Ground Enclosure 1½ in. – 2 in. PDF DWG