Historical
CSA B64.10-07/B64.10.1-07
Selection and installation of backflow preventers/ Maintenance and field testing of backflow preventers
This Standard specifies requirements for the maintenance and field testing of backflow preventers.
This Standard does not specify requirements for the selection and installation of backflow preventers. Such requirements are specified in CSA B64.10.
In CSA Standards, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; "may" is used to express an option or that which is permissible within the limits of the standard; and "can" is used to express possibility or capability. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
This Standard is written in SI (metric) units. For conversion tables, see Annex D of CSA B64.10. Vacuum is expressed in pressure below ambient.
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CSA America, Inc. [csa]
