Dry Dock 1 Super Flood Basin
Defense · Client: US Navy
Project details
Designed a first-of-its-kind super flood basin to provide new life to an old dry dock that was too shallow for the current fleet of submarines.

Specializing in waterfront engineering
Appledore Marine Engineering (AME) is an industry-leading engineering consulting organization that specializes in waterfront infrastructure in both ocean and inland waterway environments. Based in Portsmouth, New Hampshire, AME delivers design services, underwater inspections using engineer-divers, engineering studies, and professional training. The leadership team is composed of industry experts and published authors responsible for nationwide manuals of practice and standards, bringing decades of experience across six continents serving federal, state, and private clients including the US Navy, US Coast Guard, port authorities, shipyards, and academic marine research facilities.
Noah J. ElwoodPresident
Kirk F. RidenSenior Vice President
Matthew L. TeedenSenior Vice President
Danielle M. SommaVice President
Kyle M. VandemoerVice President
John W. GaythwaiteChief Engineer
Eric T. LevesquePrincipal Engineer
Robert M. SnoverCo-Founder and Senior Consultant
Lawrence WagnerCo-Founder and Senior Consultant
Underwater inspections and assessments conducted by licensed professional engineer-divers who provide first-hand evaluations of marine structures.
Comprehensive above-water and underwater inspection services designed to identify maintenance and repair needs before they escalate.
Routine and detailed defect inspections for marine and waterfront structures to support asset management.
Safety and structural evaluations of offshore and inland aids to navigation to ensure operational compliance.
Analytical evaluations, structural testing, and feasibility studies to assess the condition and capacity of waterfront infrastructure.
Technical and project management studies to support repair, cost estimation, and planning.
Detailed engineering analysis and testing of marine structures to determine structural integrity.
Innovative and sustainable engineering design for new construction, rehabilitation, and modernization of waterfront infrastructure.
Engineering design services for docks, piers, seawalls, and other shoreline infrastructure.
Specialized design and modernization engineering for shipyards and dry docking facilities.
Authoring and revising national manuals of practice and technical standards utilized by marine engineering practitioners.
Technical training and professional instruction programs designed for waterfront engineering practitioners and client personnel.
Federal · Defense · Marine · Ports & Harbors · Research Facilities
Defense · Client: US Navy
Designed a first-of-its-kind super flood basin to provide new life to an old dry dock that was too shallow for the current fleet of submarines.
Rhode Island · Research Facilities · Client: University of Rhode Island
Designed a new campus pier using contemporary codes, practices, and construction materials with long-term durability and resiliency in mind to achieve a minimum 50-year service life.
Florida · Defense · Client: US Coast Guard
Performed inspections of 32 offshore and inland aids to navigation (ATONs) of various types to detect and report conditions requiring maintenance or repair.
Washington · Defense · Client: US Navy
Conducted an inspection and asset inventory of waterfront structures, including deck components, mooring and berthing system elements, appurtenances, slope protection, and utilities.