Marine Engineering

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SR 520 Floating Bridge

Bellevue, WA

Project Contacts: Rune Iversen, Sam Yao

With the SR 520 Floating Bridge and Landings Project, the Washington State Department of Transportation replaced the existing floating bridge, also known as the Governor Albert D. Rosellini or Evergreen Point Floating Bridge, over Lake Washington...

Services:Structural Design

Markets:Bridge

Keywords:Bridge, Major Vehicular, Concrete, Concrete-Precast, Construction Engineering, Design-Build, Marine Engineering

Brooklyn Basin

Oakland, CA

Project Contacts: Sam Yao

The Brooklyn Basin project revitalizes 65 acres along Oakland’s waterfront, transforming an industrial site into a mixed-use development. The new neighborhood offers more than 3,000 residences, public parks and trails, a new marina, and 200...

Services:Structural Design

Markets:Ports & Terminals

Keywords:Bridge, Pedestrian, Condominium, Marine Engineering, Multi-Family, Pier/Wharf/Boat Ramp, Pile, Residential, Seismic Engineering and Retrofit

Liquid Bulk Terminal Replacement

Wilmington, CA

Project Contacts: William Bruin

The aging marine oil terminal exceeded its design life and did not comply with the applicable seismic and berthing standard. The port, the ultimate owner of the marine structures, and the terminal operator undertook a project to replace the...

Services:Structural Design

Markets:Oil & Gas, Ports & Terminals

Keywords:Construction Consulting, Marine Engineering, Mooring and Berthing, MOTEMS audit, Pier/Wharf/Boat Ramp, Terminal

Montauk Lighthouse

Montauk, NY

Authorized by the Second Congress and President George Washington, construction of the Montauk Lighthouse at the eastern end of Long Island was completed in 1796. The octagonal lighthouse suffered from chronic leakage and numerous repairs...

Services:Building Enclosure Investigation, Structural Investigation

Markets:Cultural

Keywords:Coating, Cracking, Field Testing, Freeze-Thaw, Historic, Laboratory Testing and Analysis, Marine Engineering, Masonry-Load Bearing, National Register of Historic Places, Preservation Technology , Stone

Brightman Street Bridge

Fall River, MA

Project Contacts: Paul Kelley, William Konicki

During the six-year rehabilitation of the Brightman Street Bridge, SGH provided investigation and concrete design services and performed testing, analysis, and thermal modeling of mass concrete placements.

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Services:Materials Design, Materials Investigation

Markets:Bridge

Keywords:Concrete Mix Design, Failure Investigation, Laboratory Testing and Analysis, Marine Engineering, Petrography

Timber Approach Trestle Repair

Martinez, CA

Project Contacts: William Bruin, Gayle Johnson

The 1,900 ft long timber-framed approach trestle exhibited damage and deterioration due to aging and required repairs to maintain the function and structural integrity. SGH developed a comprehensive rehabilitation plan that allowed the...

Services:Structural Rehabilitation

Markets:Oil & Gas, Ports & Terminals

Keywords:Marine Engineering, MOTEMS audit, Pier/Wharf/Boat Ramp, Terminal

New Marine Terminal

Richmond, CA

Project Contacts: William Bruin, Gayle Johnson

Originally built in the 1950s, the timber terminal was becoming increasingly costly to maintain and was no longer considered fit-for-purpose for seismic and berthing requirements. Instead of embarking on an incremental improvement program,...

Services:Structural Design

Markets:Oil & Gas, Ports & Terminals

Keywords:Construction Consulting, Marine Engineering, Metal-Steel, MOTEMS audit, Pier/Wharf/Boat Ramp, Risk Assessment, Terminal

Fender Replacement

Martinez, CA

Project Contacts: William Bruin, Gayle Johnson

The existing fender systems at two berths of a refinery terminal were significantly deteriorated. SGH was the engineer of record for the design of a replacement fender system. We developed an innovative modular design that could...

Services:Structural Rehabilitation

Markets:Oil & Gas, Ports & Terminals

Keywords:Concrete, Construction Staging, Marine Engineering, Mooring and Berthing, MOTEMS audit, Pier/Wharf/Boat Ramp, Structural Adequacy Assessment, Terminal

Tugboat Allision Investigations

Various Marine Terminals, CA

Project Contacts: William Bruin, Gayle Johnson

During the spring of 2013, SGH investigated two hard tugboat allisions (collisions with fixed objects such as bridges or docks), at separate marine oil terminals. In both cases, the tugs were maneuvering their respective barges when they...

Services:Structural Investigation

Markets:Oil & Gas, Ports & Terminals

Keywords:Marine Engineering, Pier/Wharf/Boat Ramp, Structural Adequacy Assessment

Seismic Retrofit of Marine Terminal

Martinez, CA

Project Contacts: William Bruin, Gayle Johnson

SGH was the engineer of record for the seismic retrofit design of two 450 ft long wharf structures that required strengthening to comply with the MOTEMS seismic performance standards for marine oil terminals in the state. SGH developed an...

Services:Structural Rehabilitation

Markets:Oil & Gas, Ports & Terminals

Keywords:Marine Engineering, MOTEMS audit, Performance-based, Pier/Wharf/Boat Ramp, Seismic Engineering and Retrofit, Structural Strengthening, Terminal