Tower Bridge Fender Replacement Project [California Endangered Species Act (CESA) Incidental Take Permit No. 2081-2017-055-03 (ITP)]

9 Documents in Project

Summary

SCH Number
2015112002
Lead Agency
Caltrans 3 (Marysville) (California Department of Transportation, District 3)
Document Title
Tower Bridge Fender Replacement Project [California Endangered Species Act (CESA) Incidental Take Permit No. 2081-2017-055-03 (ITP)]
Document Type
NOD - Notice of Determination
Received
Posted
2/20/2018

Document Description
The project is limited to the removal of an existing timber fender system on the Tower Bridge that surrounds the in-water piers 6 and 7 of the bridge within the Sacramento River. The timber system will be replaced with modern plastic wales and sheathing supported by steel piles. All removal and construction activity will be performed via barge. The existing timber fender system will be removed via barge by mechanically cutting or breaking the existing pile off at or near the mudline. A total of 200 16-inch timber piles will be removed employing this method, 100 piles per pier. All piles will be placed in a containment basin along with any attached sediment or debris after removal and disposed of at an off-site facility. The new fender system will be installed via barge. A total of 104 new piles will be installed at Pier 6 and 7 via barge mounted cranes with vibratory hammers. Eight 36-inch diameter steel piles and ninety six 24-inch diameter steel piles will replace the existing 200 cresote 16-inch timber piles. The eight new 36-inch steel piers and the ninety six 24 inch steel piers will create a permanent loss of aquatic habitat of approx. 5,105 sq. ft. over 0.12 acres. The previously existing fender structure had an area of 4,266 sq. ft. over 0.10 acres. The completion of the new fender structure shall result in the net permanent impact of 839 sq. ft. over 0.02 acres. The Biological Study Area (BSA) consists of 84.53 acres of which consists of in-water areas upstream and downstream of the Tower Bridge site as well as the surfaces of the bridge, surfaces of the freeway and adjacent street surfaces. The eight new 36-inch steel piers and the ninety-six 24-inch steel piers will create a permanent loss of aquatic habitat of approx.. 5,105 sq. ft. over 0.12 acres. The previously existing fender structure had an area of 4,266 sq. ft. over 0.10 acres. The completion of the new fender structure shall result in the net permanent impact of 839 sq. ft. over 0.02 acres. The project is expected to result in incidental take of Chinook Salmon - Central Valley Spring Run, which are designated as a threatened species under CESA and the incidental take of Chinook Salmon - Sacramento River Winter Run and Delta Smelt, both designated as an endangered species under CESA. The ITP referenced above as issued by CDFW authorizes incidental take of species listed under CESA that may occur as a result of Project implementation.

Contact Information
Robert Stanley
CDFW
7329 Silverado Trail
Napa, CA 94558

Phone : (707) 944-5529

Location

Coordinates
38°34'49.9"N 121°30'29.8"W
Cities
Sacramento West Sacramento
Counties
Sacramento Yolo
Cross Streets
SR 275
Zip
95814
State Highways
Hwy 275
Waterways
Sacramento River

Notice of Determination

Approving Agency
CDFW
Approving Agency Role
Responsible Agency
Approved On
Final Environmental Document Available at
7329 Silverado Trail, Napa, CA 94558

Determinations

(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
N/A
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
No
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