Fish & Wildlife 3 (Napa)
(California Department of Fish and Wildlife, Region 3)
11th Street East Tracy Overhead
NOE - Notice of Exemption
Project is limited to two segments. Segment 1 is the removal and replacement of an existing 10 foot by 3 foot, 60 inch box culvert, subterranean drainage system, and shotcrete cobble apron with four, 36 inch diameter pipes that will extend 30 feet from an existing headwall under 11th Street and will terminate at the box culvert to be replaced. The replacement headwall i s 20 feet long, 1 foot wide, and 8 feet tall. The 70 linear foot apron will be removed and replaced with non-grouted rock slope protection and will require the removal of 5 non-native trees. Segment 2 is the alteration of 4 segments of open concrete lined irrigation channel with a series of 48 inch diameter underground pipes for 265 linear feet, 400 linear feet, and 350 linear feet for segments 1-3. Segment 4 will consist of construction of a 9 foot tall, 1 foot wide retaining wall with a 9.5 foot wide footing for 455 linear feet. Issuance of a Streambed Alteration Agreement No. 1600-2014-0173-R3 is pursuant to Fish and Game Code Section 1602.