The design flow (average and maximum) and residual pressure, for the request water meter(s) and fire sprinkler(s) shall be provided by the developer of developer's agent/engineer.
It is the developer's engineer responsibility to meet code requirements for backflow prevention and should be reviewed by the local Codes Department for construction approval. Waterworks inspects sites annually after construction for compliance. Waterworks' Backflow Prevention Inspection section can be reached at 757-234-4888 to answer specific questions.
Please compress all associated design files in zip format.
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