P898, replace pier 32 at navsubase new london, CT

This design-bid-build project includesbut is not limited to construction of a concrete filled steel pipe pile supported pier with concrete deck, mooring fittings, mechanical and electrical utilities, an integrated composite fender system and specialized equipment including composite camels. The pier will provide two berths for general berthing and maintenance at SUBASE New London. The project will also include relocation of the floating crane’s weight testing support facility.

Built-in equipment includes jib cranes (1.5 tons) for supporting electrical cables between the pier and vessels and adjustable retractable crane-less brows.

Work also includes demolition of the existing concrete and pile Piers 32, 10 and 17.

Site preparation includes earthwork, soil treatment, selective utility and mooring demolition, and dredging. Dredging will allow safe maneuvering room for vessels while mooring or exiting northern berths (Piers 32/Turning Basin and Pier 10) and in the following areas: turning basin, areas at the berth for navigation and maintenance operations and areas at the existing Piers 10 and 32. Dredge disposal will include the use of Confined Aquatic Disposal (CAD) cell located in the Thames River.

Electrical utilities include shore power for vessels including primary and secondary distribution, transformers, substations, primary switches, grounding/lightning protection and telecommunication infrastructure. Mechanical systems include, water, wastewater, compressed air, and fire protection.

Environmental mitigation requirements includes marine mammal and water quality monitoring, reporting to national oceanic and atmospheric administration national marine fisheries service, acoustic surveys, pre and post dredge sampling, benthic sampling and analysis of Confined Aquatic Disposal (CAD) cells and CAD cell cap assessment, shellfish resources testing and mitigation will be required to satisfy federal, state and local environmental regulations and requirements.