A Home for the Navy's Trident Subs

by Larry R. Wade, (M.ASCE), Partner and Principal Engr.; Hammond, Collier & Wade—Livingstone Assoc., Seattle, Wash.,
Cecil Cowden, Environmental Coordinator; Hammond, Collier & Wade—Livingstone Assoc., Seattle, Wash.,


Serial Information: Civil Engineering—ASCE, 1981, Vol. 51, Issue 6, Pg. 53-55


Document Type: Feature article

Abstract: On 7,000 acres near Seattle, Washington, sits the largest military base constructed in the U.S. since World War II. The Navy's multimillion-dollar Trident project, a combination docking-servicing-training compound, will arm and maintain the nation's most advanced nuclear submarines. Considerable care was taken to ensure that construction would not adversely affect the local environment. Major facilities described include the following: the Trident Refit Delta (including a graving drydock securely founded in the floor of Hood Canal); the Explosives Handling Wharf (facilitating loading and unloading of missiles); and the Magnetic Silencing Facility (designed to reduced the submarines' magnetic signatures). Complications and solutions to construction of the Refit Delta arising from the site's high-pressure artesian aquifer are also described.

Subject Headings: Coastal structures | Construction methods | Deltas | Docks | Military engineering | Nuclear power | Underwater construction | United States Navy

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