General Construction was a subcontractor to Tucci & Sons for this project that included the construction of a 250 lin ft concrete wharf at the Port of Tacoma. The wharf was founded on 24 in. pre-cast octagonal piles. Work included installation of steel sheet piling and steel batter piles for the bulkhead and installation of a fendering system. The fender system at another berth was also upgraded prior to a critical fish closure. This work occurred in an active shipping channel.
The 43-acre Terminal 30 Upgrade project included relocation of the Cruise Ship operation, and returning the terminal to its original function as a container terminal. General's contract was to strengthen the existing concrete wharf in preparation to receive new container cranes. The 1,545 LF dock was upgraded using 166 new concrete piles that support a new waterside crane rail beam. In addition a 1,417 LF sheet pile wall and concrete cap were constructed to support the landside crane rail beam. Approximately, 59,000 cubic yards of material was clam shell dredged to provide -50 feet MLLW throughout the berth.
The project required the demolition of approximately 850,000 sq ft of existing concrete piers. 2.3 million cu yd of clamshell and hydraulic dredging were required and 390,000-tons of rock fill and riprap was placed. 125,000 sq ft of dynamic compaction was required and 1.4 million lin ft of wick drains were installed. The 2,400 lin ft reinforced concrete marginal wharf was constructed on 1,600, 24 in. concrete piling, totaling 116,000 lin ft. The project also required crane rails, drainage, water and electrical service. Paving stones and asphalt concrete finish the back land area.
The project included the demolition of the existing timber apron and removal of the associated creosote treated supporting piles. The new dock is comprised of concrete piles, sheet piles, a new bulkhead, battered steel pipe piling, augercast piles and micropiles, concrete caps, concrete decking, steel fender piling and a fender system. Additional riprap, rat rock and other capping materials were added below the apron slope cover. General also installed a ships water line, a catch basin with associated storm sewer piping, a new ships electrical system, security fencing, and a new light pole.
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33455 6th Avenue South
Federal Way, WA 98003
Tel: (253) 943-4200
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