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Wisconsin Administrative Code (Last Updated: January 10, 2017) |
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Agency NR. Department of Natural Resources |
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Chapters 800-. Environmental Protection – Water Supply |
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Chapter 811. Requirements For The Operation And Design Of Community Water Systems |
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SubChapter XI. Water Pressure Booster Stations |
Section 811.83. Emergency power requirements.
Latest version.
- Boosted pressure zone emergency power installations shall meet the following requirements:(1) Emergency power shall be provided if 50 or fewer living units are being served and the primary pressure zone cannot maintain positive pressures of 3 psi or greater at street elevation in all areas served by the booster pumps, and sufficient elevated storage is not provided.(2) Emergency power shall be provided if more than 50 living units are being served and the primary pressure zone cannot maintain pressures of 20 psi or greater at street elevation in all areas served by the booster pumps, and sufficient elevated storage is not provided.(3) Emergency power shall consist of a dedicated on-site engine-generator set with an automatic transfer switch capable of powering at minimum the domestic service pumps and station building demands.