Recommended Practice for Backflow prevention and Cross-Connection Control (M14) / Edition 2

Recommended Practice for Backflow prevention and Cross-Connection Control (M14) / Edition 2

by AWWA (American Water Works Association)
     
 


This manual describes the causes and prevention of backflow and cross-connections in potable water systems. Here is complete guidance for establishing a cross-connection/backflow prevention program for a water utility. You'll learn the water purveyor's legal responsibilities, as well as the customer's responsibilities in backflow prevention. The manual covers risk… See more details below

Overview


This manual describes the causes and prevention of backflow and cross-connections in potable water systems. Here is complete guidance for establishing a cross-connection/backflow prevention program for a water utility. You'll learn the water purveyor's legal responsibilities, as well as the customer's responsibilities in backflow prevention. The manual covers risk assessment, types of programs to consider, and program administration. Until the cross connection control program is fully developed, the water purveyor is at maximum risk of potential liability.

M14 also explains the hydraulics of backflow, the two types of backflow - backsiphonage and backpressure, and the conditions that can cause backflow and a potential cross-connection (such as a water main break).

Product Details

ISBN-13:
9781583212882
Publisher:
American Water Works Association
Publication date:
11/28/2005
Series:
AWWA Manual Series
Pages:
148
Product dimensions:
8.25(w) x 11.00(h) x 0.32(d)

Table of Contents

Ch. 1Introduction1
Ch. 2Program administration11
Ch. 3Backflow principles29
Ch. 4Backflow-prevention assembly application, installation, and maintenance41
Ch. 5Typical hazards63
App. AAssembly test procedures85
App. BModel ordinance109
App. CCommon symbols117
App. DAWWA policy statement on cross-connections119
App. EAbbreviations of agencies and organizations121
App. FWeb sites for backflow-prevention incidents123

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