The Commander, Mare Island Naval Shipyard, Vallejo, California 94592, has applied for a Department of the Army permit to: (1) dredge approximately 100,000 cubic yards of material from Pinole Shoal to establish a depth of 36 feet (plus two feet allowable overdepth dredging) below mean lower low water (MLLW) with aquatic disposal of the dredged material at the existing San Pablo Bay (SF 10) disposal site; and (2) dredge approximately 1,500,000 cubic yards of material from Mare Island Strait to establish a depth of 36 feet (plus two feet allowable overdepth dredging) below MLLW with aquatic disposal of the dredged material at the existing Carquinez Strait (SF 9) disposal site. The purpose of the proposed dredging project is to deepen Pinole Shoal and Mare Island Strait to accommodate a current Naval Ship design -- SSN 688 Class submarines. Presently, Pinole Shoal is maintained at 35 feet below MLLW and Mare Island Strait is maintained at 32 feet below MLLW. The SSN 688 Class submarines require a depth of 36 feet below MLLW for safe navigation.


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    Title :

    U. S. Navy Deepening of Pinole Shoal and Mare Island Strait Regulatory Permit Application by the Commander, Mare Island Shipyard, Solano County, California


    Publication date :

    1981


    Size :

    121 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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