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Billing Code 3510-22-P Department Of This document is scheduled to be published in the Federal Register on 05/28/2021 and available online at federalregister.gov/d/2021-11333, and on govinfo.govBILLING CODE 3510-22-P DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration RTID 0648- XB120 Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Army Corps of Engineers Debris Dock Replacement Project, Sausalito, California AGENCY: National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), Commerce. ACTION: Notice; proposed incidental harassment authorization; request for comments on proposed authorization and possible renewal. SUMMARY: NMFS has received a request from the U.S. Army Corps of Engineers (ACOE) for authorization to take marine mammals incidental to the Debris Dock Replacement Project in Sausalito, California. Pursuant to the Marine Mammal Protection Act (MMPA), NMFS is requesting comments on its proposal to issue an incidental harassment authorization (IHA) to incidentally take marine mammals during the specified activities. NMFS is also requesting comments on a possible one-year renewal that could be issued under certain circumstances and if all requirements are met, as described in Request for Public Comments at the end of this notice. NMFS will consider public comments prior to making any final decision on the issuance of the requested MMPA authorizations and agency responses will be summarized in the final notice of our decision. DATES: Comments and information must be received no later than [insert date 30 days after date of publication in the FEDERAL REGISTER]. ADDRESSES: Comments should be addressed to Jolie Harrison, Chief, Permits and Conservation Division, Office of Protected Resources, National Marine Fisheries Service and should be sent to [email protected]. Instructions: NMFS is not responsible for comments sent by any other method, to any other address or individual, or received after the end of the comment period. Comments received electronically, including all attachments, must not exceed a 25- megabyte file size. Attachments to electronic comments will be accepted in Microsoft Word or Excel or Adobe PDF file formats only. All comments received are a part of the public record and will generally be posted online at https://www.fisheries.noaa.gov/permit/incidental-take-authorizations-under-marine- mammal-protection-act without change. All personal identifying information (e.g., name, address) voluntarily submitted by the commenter may be publicly accessible. Do not submit confidential business information or otherwise sensitive or protected information. FOR FURTHER INFORMATION CONTACT: Dwayne Meadows, Ph.D., Office of Protected Resources, NMFS, (301) 427-8401. Electronic copies of the application and supporting documents, as well as a list of the references cited in this document, may be obtained online at: https://www.fisheries.noaa.gov/permit/incidental-take-authorizations- under-marine-mammal-protection-act. In case of problems accessing these documents, please call the contact listed above. SUPPLEMENTARY INFORMATION: Background The MMPA prohibits the “take” of marine mammals, with certain exceptions. Sections 101(a)(5)(A) and (D) of the MMPA (16 U.S.C. 1361 et seq.) direct the Secretary of Commerce (as delegated to NMFS) to allow, upon request, the incidental, but not intentional, taking of small numbers of marine mammals by U.S. citizens who engage in a specified activity (other than commercial fishing) within a specified geographical region if certain findings are made and either regulations are issued or, if the taking is limited to harassment, a notice of a proposed incidental take authorization may be provided to the public for review. Authorization for incidental takings shall be granted if NMFS finds that the taking will have a negligible impact on the species or stock(s) and will not have an unmitigable adverse impact on the availability of the species or stock(s) for taking for subsistence uses (where relevant). Further, NMFS must prescribe the permissible methods of taking and other “means of effecting the least practicable adverse impact” on the affected species or stocks and their habitat, paying particular attention to rookeries, mating grounds, and areas of similar significance, and on the availability of the species or stocks for taking for certain subsistence uses (referred to in shorthand as “mitigation”); and requirements pertaining to the mitigation, monitoring and reporting of the takings are set forth. The definitions of all applicable MMPA statutory terms cited above are included in the relevant sections below. National Environmental Policy Act To comply with the National Environmental Policy Act of 1969 (NEPA; 42 U.S.C. 4321 et seq.) and NOAA Administrative Order (NAO) 216-6A, NMFS must review our proposed action (i.e., the issuance of an IHA) with respect to potential impacts on the human environment. This action is consistent with categories of activities identified in Categorical Exclusion B4 (IHAs with no anticipated serious injury or mortality) of the Companion Manual for NOAA Administrative Order 216-6A, which do not individually or cumulatively have the potential for significant impacts on the quality of the human environment and for which we have not identified any extraordinary circumstances that would preclude this categorical exclusion. Accordingly, NMFS has preliminarily determined that the issuance of the proposed IHA qualifies to be categorically excluded from further NEPA review. We will review all comments submitted in response to this notice prior to concluding our NEPA process or making a final decision on the IHA request. Summary of Request On March 17, 2021, NMFS received an application from ACOE requesting an IHA to take small numbers of seven species of marine mammals incidental to pile driving associated with the Debris Dock Replacement Project. The application was deemed adequate and complete on May 20, 2021. The ACOE’s request is for take of a small number of these species by Level A or Level B harassment. Neither the ACOE nor NMFS expects serious injury or mortality to result from this activity and, therefore, an IHA is appropriate. Description of Proposed Activity Overview The purpose of the project is to replace the existing decaying dock and other onshore infrastructure used to move marine debris collected from San Francisco Bay onto land for disposal. The existing dock will be removed and replaced. The work will involve impact hammering 31 24-inch diameter concrete deck support piles and 17 14-inch diameter timber fender piles for the replacement dock and removal of the decayed dock by cutting or otherwise removing 31 18-inch diameter concrete deck support piles and 17 14-inch diameter timber fender piles. This construction work will occur from September 1, 2021 through August 31, 2022 and will take no more than 26 days of in-water pile work. The pile driving/removal can result in take of marine mammals from sound in the water which results in behavioral harassment or auditory injury. Dates and Duration The work described here is scheduled for September 1, 2021 through August 31, 2022. In-water activities are planned for daylight hours only. Specific Geographic Region The activities would occur in Richardson’s Bay in north San Francisco Bay (Figure 1). The debris dock is situated adjacent to the ACOE Bay Model Facility in their San Francisco District Base Yard. The debris dock is neighbored by docks for long term mooring of private vessels to the north, and to the south there is a dock used for mooring of ACOE vessels and public use for storing kayaks. Nearby docks within approximately 0.15 miles (mi) (241 meters (m)) may serve as potential haulout locations for pinnipeds. Due to sinuosity of the shoreline, the haulout locations are not within line of site of the project. Pacific herring spawning events are known to take place within Richardson’s Bay, which usually begin in late February. Endangered Species Act (ESA) listed Central California Coast Steelhead smolts are known to traverse Richardson’s Bay in late February through April. Figure 1-- Map of Proposed Project Area in San Francisco Bay, CA. Detailed Description of Specific Activity The purpose of the project is to replace the decaying seaward portion of a dock. Demolition of the existing debris dock would begin by first removing the fencing that borders the debris dock. The timber fender system would then be removed by pulling or cutting the 17 14-inch diameter timber piles at approximately 2 feet below the mudline without dewatering. The piles would be hoisted out with a crane or tractor from land. The concrete deck would then be removed, along with a bulkhead wall (a vertical concrete retaining wall) which encloses the soil filled inner part of the dock. Temporary shoring (support beams) would be placed to fortify the bulkhead wall while soil is removed from the landward side, then the bulkhead wall would be demolished and removed. The bulkhead wall will be removed in similar fashion to the concrete deck, by breaking it apart with a tractor and hoisting it out with a crane. Riprap stones would then be removed and stored temporarily, for reuse with the finished dock. Finally, to complete demolition, the 31 18-inch square concrete piles that supported the concrete deck would be cut approximately 2 feet below the mudline without dewatering. They would then be removed by either a crane or tractor from land, such that no barge or other water borne vessel would be used in the demolition. The need to leave the in-situ portion of the piles in place, as opposed to removing them, stems from the risk of soil liquefaction and creating voids too close to the new pile locations which could cause the piles to shift their alignment or affect other parts of the debris dock structure which will not to be removed. Vibratory methods for removal and installation are thus not possible.
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