Fish & Wildlife 3 (Napa)
(California Department of Fish and Wildlife, Region 3)
Walnut Creek Sewer Renovation, Phase 10
NOE - Notice of Exemption
Site 1 is limited to the excavation of a pit approximately 10 feet across an existing concrete drainage to install a new sewer line. Site 2 is limited to the excavation of 30 linear feet of the channel bed across San Crainte Creek to replace an existing sewer pipe. The creek will be temporarily diverted using an eight inch diameter HDPE pipe and a check dam will be installed upstream of the diversion system. Four cubic yards of soil will be removed during construction. SAA #1600-2014-0015-R5.
Replacement or reconstruction of a previously existing utility structure where the new structure will be located on the same site as the structure replaced and will have substantially the same capacity as the structure to be replaced.
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