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Publications B64.10-11/B64.10.1-11 (R2016)

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B64.10-11/B64.10.1-11 (R2016) - Selection and installation of backflow preventers/Maintenance and field testing of backflow preventers

Publication Year:

  • 2011

Total Pages:

154

Reaffirmed Year:

  • 2016

Publisher:

  • CSA

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Overview

Improperly installed wastewater drainage systems can create bacterial or chemical contamination of the public water supply due to accidental backflow and exposure to discharge. This standard helps protect consumers from water contamination by specifying requirements and information on:

  • The selection and installation of backflow preventers

  • How backflow occurs, when caused by back siphonage and back pressure

  • Selecting and applying specific devices
The revised edition includes new requirements for the prevention of backflow for hydronic heating systems, new field testing requirements for check valves and SRPVB devices, updated hazard categories and clearer, more concise definitions.

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GST REG No R119441681
QST REG No R1006017360