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Containment
Policy
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All commercial accounts, as defined by WaterOne, are
required to have a containment backflow prevention assembly installed on the
service line prior to any usage. A means of controlling increased pressure
caused by thermal expansion shall be provided as required by local
plumbing code: |
- A reduced pressure assembly will be required
whenever the occupant(s) is unknown or fixture isolation has not
been determined, or if the facility is designated as high hazard by
WaterOne.
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- A double check valve assembly will be allowed
when the occupant(s) is known and requirements for fixture isolation
have been determined by the department.
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