Below are the most requested backflow prevention program documents.  Another resource is the Carolinas Chapter of American Backflow Prevention Association.

Many of these publications are in PDF format, which requires Adobe Acrobat Reader.  Acrobat Reader can be downloaded for free from the Adobe website.

These documents are grouped by: (select link to jump to group)
Program Documents 
Certified Testers
Installers
Designers (including AutoCAD drawings)

Program Documents  
List of Approved Testers (pdf) - updated weekly
List of Approved Backflow Assemblies (pdf)
Backflow Service Application (BSA) 
Instructions for Backflow Service Application (pdf)
Approval Procedures (pdf)
Backflow Prevention Installation & Inspection Requirements (pdf)

Certified Testers                                  back to top
Backflow Test Form (pdf) 
(Fill-In Form) Backflow Test and Mainteneance form (pdf)          
Tester Re-Certification Handout.pdf

Installers                                               back to top
Standard Detail Drawings for Backflow Prevention Program (pdf) 
Bulletin for Backflow Enclosure (pdf)           

Bulletin for Drain Port Requirements (pdf)                                            Backflow Prevention Installation & Inspection Requirements (pdf) 

Irrigation Standard Details for Licensed Installers


Designers                                             back to top
Guide for determining what Type of Backflow Assembly (pdf)  

Plan Submittal Requirements (pdf)        

Standard Detail Drawings for Backflow Prevention Program (pdf) 

Backflow Prevention Installation & Inspection Requirements (pdf)


AutoCAD Drawings Files (right-click and Save Target As)

Reduced Pressure Principle Assemblies
1 1/2" - 2" Reduced Pressure Principle Assembly (RP) Above Ground, Standard Detail # 1 (dwg file or pdf)

2 1/2" - 12" Reduced Pressure Principle Assembly (RP) Above Ground, Standard Detail # 2 (dwg file or pdf)

3/4" - 2" Reduced Pressure Principle Assembly (RP) Indoor, Standard Detail # 8 (dwg file or pdf)     

2 1/2" - 12" Reduced Pressure Principle Assembly (RP) Indoor, Standard Detail # 9 (dwg file of pdf)

3/4" & 1" Reduced Pressure Principle Assembly (RP) Above Ground, Standard Detail # 13 (dwg file or pdf)

Testcock Locations, Standard Detail # 12 (dwg file or pdf)

Double Check Valve Assemblies
1 1/2" - 2" Double Check Valve Assembly (DC) Above Ground, Standard Detail # 3 (dwg file or pdf) 

2 1/2" - 12" Double Check Valve Assembly (DC) Above Ground, Standard Detail # 4 (dwg file or pdf)

3/4" & 1" Double Check Valve Assembly (DC) Below Ground Vault, Standard Detail # 5 (dwg file or pdf)  

1 1/2" - 2" Double Check Valve Assembly (DC) Below Ground Vault, Standard Detail # 6 (dwg file or pdf)

2 1/2" - 12" Double Check Valve Assembly (DC) Below Ground Vault, Standard Detail # 7 (dwg file or pdf)

3/4" - 2" Double Check Valve Assembly (DC) Indoor, Standard Detail # 10 (dwg file or pdf)

2 1/2" - 12" Double Check Valve Assembly (DC) Indoor, Standard Detail # 11 (dwg file or pdf)

3/4" & 1" Double Check Valve Assembly (DC) Above Ground, Standard Detail #14 (dwg file or pdf)

Testcock Locations, Standard Detail # 12 (dwg file or pdf)

If your need a document not listed, please email us.

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