Maintenance, Repair, and Extension of a Cathode Protection System by NASSCO at Tenth Avenue Marine Terminal

Summary

SCH Number
2021040178
Public Agency
San Diego Unified Port District
Document Title
Maintenance, Repair, and Extension of a Cathode Protection System by NASSCO at Tenth Avenue Marine Terminal
Document Type
NOE - Notice of Exemption
Received
Posted
4/7/2021

Document Description
The proposed project would involve the maintenance, repair, and extension of an existing cathode protection system by General Dynamics NASSCO (Tenant) in the City of San Diego, California. Work to specifically complete the proposed project would involve the following infrastructure improvements: re-drill ten (10) existing deep wells approximately 130 feet (ft.) below finished grade (bfg) to replace existing anodes; drill three (3) new deep anode wells approximately 130 ft. bfg; drill six (6) new shallow wells approximately ten ft. bfg and installation of new anodes and cathode protection within the drilled wells; drill eight (8) cathode protection soil access ports with test leads to piles approximately twenty (20) ft. bfg; replacement of existing rectifiers; and installation of cathode protection along sheet pile bulkheads along Berths 7 and 8. All drilling would be conducted using an auger and each shallow well would require 50 feet of trenching. The proposed improvements would decrease the rate of deterioration that would occur to the existing sheet pile and infrastructure at the shipyard. All improvements would be constructed landside and would not change the capacity of NASSCO to conduct work. Construction of the proposed improvements is anticipated to commence in February 2021 and would take approximately six (6) months to complete. Due to its nature and limited scope, construction of the proposed project would generate a minor amount of vehicle trips and would require limited use of equipment. Therefore, significant impacts related to air quality, greenhouse gas emissions, and transportation and traffic are not anticipated to occur. Furthermore, the Tenant would be responsible for complying with all applicable federal, state, and local laws regarding construction demolition debris, hazards and hazardous materials, and stormwater.

Contact Information
Michael Paul
San Diego Unified Port District
Lead/Public Agency
3165 Pacific Highway
San Diego, CA 92101

Phone : (619) 686-8112
mpaul@portofsandiego.org

Location

Cities
San Diego
Counties
San Diego
Other Location Info
2798 East Harbor Drive, San Diego, CA 92113

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
(SG § 15301), (SG § 15302), (SG § 15303), and (SG § 15304)
Reasons for Exemption
The proposed project is determined to be Categorically Exempt pursuant to California Environmental Quality Act (CEQA) Guidelines Sections 15301 (Existing Facilities), 15302 (Replacement or Reconstruction), 15303 (New Construction or Conversion of Small Structures), and 15304 (Minor Alterations to Land) and Sections 3.a., 3.b., 3.c., and 3.d. of the District’s Guidelines for Compliance with CEQA because it consists of maintenance, repair, and extension of an existing cathode protection system, would not result in a significant cumulative impact due to the continuation of the existing use, would consist of the replacement and reconstruction of an existing facilities, would be located on generally the same site as the structure replaced, would consist of construction and location of new, small facilities, would result in no permanent effects on the environment, and would not involve the removal of mature, scenic trees. The District has determined none of the six exceptions to the use of a categorical exemption apply to this project (CEQA Guidelines Section 15300.2). Sections 3.a., 3.b., 3.c., and 3.d. of the District’s CEQA Guidelines are as follows: 3.a. Existing Facilities (SG § 15301) (Class 1): Includes operation, repair, maintenance, or minor alteration of existing public or private structures, facilities, mechanical equipment, or topographical features, involving negligible or no expansion of use beyond that previously existing. (1) Repair, maintenance or minor alteration of existing mooring facilities, floats, piers, piles, wharves, bulkhead, revetment, buoys, or similar structures; marine terminal facilities; airport facilities; and commercial industrial, or recreational facilities. AND/OR 3.b. Replacement or Reconstruction (SG § 15302) (Class 2): Includes replacement or reconstruction of existing structures and facilities where the new structure will be located on the same site and will have substantially the same purpose and capacity as the structure being replaced. (2) Replacement or reconstruction of marine terminal facilities, and marine-oriented commercial, industrial, and public and commercial recreational facilities, including buildings, piers, piles, wharves, marine ways; railroads; airport facilities, runways, taxiways, aprons, and ancillary structures to those facilities; electrical and mechanical systems and equipment; where the new structure will be on essentially the same site as the structure replaced and will have substantially the same purpose and capacity as the structure replaced. AND/OR 3.c. New Construction or Conversion of Small Structures (SG § 15303) (Class 3): Includes construction of limited numbers of new, small facilities or structures; installation of small new equipment and facilities in small structures; and conversion of existing small structures from one use to another with minor modifications to the exterior of the structure. AND/OR 3.d. Minor Alterations to Land (SG § 15304) (Class 4): Includes minor alterations in the condition of land, water and/or vegetation not involving removal of mature, scenic trees.
County Clerk
San Diego

Attachments

Notice of Exemption
2020-145 Maintenance, Repair, and Extension of a Cathode Protection System by NASSCO at Tenth Avenue Marine Terminal   PDF 840 K

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