MCON P516 Ship Repair Oier 5 Replacement, Norfolk Naval Shipyard Portsmouth, VA

The contract will accomplish the demolition of two existing piers and construction of one new pier. The work will include demolish existing Piers 4 and 5, Berth 25, Berth 31, and Buildings 225, 250, 830, 1486 and 1570 to construct a new ship repair pier that is 1225 feet in length and 230 feet width. Replace the existing bulkhead berths (Berth 25 and 31) with new low-level relieving platform with mechanical and electrical shore-tie stations. The new pier will also include a 3,400 square foot restroom, a 2,280 square foot salt water pump station building, heavy weather mooring and 40 gauge portal crane rail track. Site preparation will consist of dredging the area from existing Pier 3 to Pier 6 to a depth of 47' + 2'.

The utility system will include: mechanical systems (steam, low pressure compressed air, fresh water, salt water (including a salt water pump, for fire protection, cooling, and flushing), storm water, sanitary sewer, and oily waste water collection), electrical systems (installation of underground 34.5 kV primary distribution at the pier,13.8 kV and 4160 V secondary pier power with dual voltage switchgear and 480 V shore-tie and industrial power distribution system, and additional dual voltage switchgear and transformers for adjacent Pier 3), pier fire alarm, utility control system, lighting, and communications (fiber optics lines for telephones, television, and local area networks). At existing Pier 3 the following will be constructed: a 1500 square foot restroom, heavy weather mooring, and dual voltage switch gear with 4160v/13.8kv transformers.