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Gayle Johnson Receives ASCE-COPRI Lifetime Achievement Honor
SGH Wins 2017 Outstanding Construction Project Award from ASCE San Francisco Section

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Liquid Bulk Terminal Replacement

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, MOTEMS audit, Marine Engineering, Mooring and Berthing, Pier/Wharf/Boat Ramp, Terminal
Timber Approach Trestle Repair

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:MOTEMS audit, Marine Engineering, Pier/Wharf/Boat Ramp, Terminal
New Marine 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, MOTEMS audit, Marine Engineering, Metal-Steel, Pier/Wharf/Boat Ramp, Risk Assessment, Terminal
Fender Replacement

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, MOTEMS audit, Marine Engineering, Mooring and Berthing, Pier/Wharf/Boat Ramp, Structural Adequacy Assessment, Terminal
Tugboat Allision Investigations

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

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

Mooring Hook Upgrades

CA
Project Contacts: William Bruin, Gayle Johnson

SGH was the engineer of record for the anchorage design and construction planning associated with the installation of new, quick-release mooring hook assemblies at several marine oil terminals in California.  For these projects, we developed...

Services:Structural Rehabilitation
Markets:Oil & Gas, Ports & Terminals
Keywords:MOTEMS audit, Marine Engineering, Mooring and Berthing, Terminal
CNRL Supermodules, Horizon Oil Sands Delayed Coker Unit Expansion, Fort McMurray

CNRL Supermodules, Horizon Oil Sands Delayed Coker Unit Expansion, Fort McMurray

Alberta, AB
Project Contacts: Dominic Kelly

With modular construction, CNRL was able to expand the Delayed Coker Unit at their Horizon Oil Sands site while minimizing downtime during construction. The project utilized supermodule structures constructed or assembled from smaller modules...

Services:Structural Design
Markets:Oil & Gas
Keywords:Construction Consulting, International, Preengineered/Prefabricated/Modular, Shoring/Temporary Structure

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February 17, 2021

Wind Load Design for Petrochemical and Other Industrial Facilities

By: Paul Summers, Guzhao Li, Carlos Ortega
Prepared by the ASCE Task Committee on Wind-Induced Forces of the Oil and Gas Committee of the Energy Division of ASCE.
Wind Load Design for Petrochemical and Other Industrial Facilities, Second Edition, provides general guidelines...
Markets:Oil & Gas
Keywords:Wind Loads
February 13, 2020

Rehabilitation, Safety Improvement, and Life Extension of a Geriatric Concrete Marine Oil Terminal

By: Gayle Johnson, William Bruin, Cheng Lai, John Chun

This paper will describe a $16M rehabilitation program of a 1960’s vintage, reinforced concrete marine oil terminal at the Port of Long Beach intended to enhance the performance and operational life of this critical infrastructure. The...

Services:Structural Rehabilitation
Markets:Oil & Gas, Ports & Terminals
Keywords:Concrete Rehabilitation, Marine Engineering
February 13, 2020

Analysis of Measured Marine Oil Terminal Berthing Velocities

By: Rune Iversen, Maximo Argo, William Bruin, Justin Pyun, Samuel Cortes

Berthing velocities for design of fender systems have long been based on old and incomplete data, often from studies dating as far back as the 1950s. Both PIANC and MOTEMS continue to use values based on these old datasets in their...

Markets:Oil & Gas, Ports & Terminals
Keywords:Marine Engineering
June 3, 2016

PIANC Guidelines: Oil and Petrochemical Terminal Design

By: Martin Eskijian, Ron Heffron, William Asante, Gayle Johnson, Jerko Kocijan

This new PIANC reference will provide a set of recommendations to the global community involved in the initial design, analysis, or upgrade of marine oil and petroleum terminals. Potential users include owners/operators, port...

Services:Structural Design
Markets:Oil & Gas, Ports & Terminals
Keywords:Codes & Standards, Geotechnical, Marine Engineering, Mooring and Berthing, Pier/Wharf/Boat Ramp, Terminal
June 3, 2016

Effect of Moored Vessels on Seismic Response of Structures

By: Rod Iwashita, Julie Galbraith, Marc Percher, Gayle Johnson

In current design practice any vessel at berth during an earthquake event is ignored. This is rationalized based on the frequency of vessel calls in combination with the infrequency of significant earthquakes and the long response...

Services:Structural Design
Markets:Oil & Gas, Ports & Terminals
Keywords:Marine Engineering, Mooring and Berthing, Pier/Wharf/Boat Ramp, Seismic Analyses, Seismic Engineering and Retrofit, Terminal
June 3, 2016

Comparison of Procedures for Computing Seismic Displacement Demand

By: William Bruin, Rakesh Goel, Julie Galbraith

For the seismic design of pier and wharf structures, there are multiple methodologies permitted for determining displacement demands. The current edition of MOTEMS and ASCE 61-14 permits use of an iterative substitute structure...

Services:Structural Design
Markets:Oil & Gas, Ports & Terminals
Keywords:MOTEMS audit, Pier/Wharf/Boat Ramp, Seismic Analyses, Seismic Engineering and Retrofit, Terminal
June 3, 2016

Seismic Retrofit of a 1960s Reinforced Concrete Marine Terminal with Perimeter Seismic Dolphins

By: Julie Galbraith, William Bruin

A 1960s era California marine oil terminal was determined to be a possible collapse hazard in a major earthquake. Rather than replace the structures with an estimated construction cost of over $100M (plus millions more in operational...

Services:Structural Design
Markets:Oil & Gas, Ports & Terminals
Keywords:Composites-FRP / CFRP / GFRP, Marine Engineering, Seismic Engineering and Retrofit, Terminal
June 3, 2016

Seismic Design of Loading Arms and Hose Towers

By: William Bruin, Paul Fikse, Gayle Johnson, Luis Palacios

Historically, the seismic design of topsides structures like marine loading arms and hose towers has been done inconsistently and to a wide array of design codes and requirements. The root of this problem has been a forced reference...

Services:Structural Design
Markets:Oil & Gas, Ports & Terminals
Keywords:Codes & Standards, Marine Engineering, Seismic Engineering and Retrofit, Terminal
December 24, 2015

Blast and Impact Resistant Design of Overhead Protection Structures

By: Paul Summers, Guzhao Li

Overhead protection (OHP) structures are used by major oil operators and government agencies in terrorist affected areas to protect facilities housing their personnel such as office facilities and dining facilities. Structural design of OHP...

Services:Structural Design
Markets:Oil & Gas
Keywords:Blast Analysis & Resistance, Finite Element Analysis
June 11, 2015

Waterfront Facilities Inspection And Assessment

By: Waterfront Inspection Task Committee, William Bruin

Waterfront Facilities Inspection and Assessment supplies engineers with guidelines and tools for inspecting and evaluating the condition of waterfront structures located in seawater and freshwater environments. Inspections are...

Services:Structural Rehabilitation
Markets:Oil & Gas, Ports & Terminals
Keywords:Codes & Standards, Inspection, Marine Engineering, Mooring and Berthing, Pier/Wharf/Boat Ramp, Terminal, Non-Destructive Testing

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Simpson Gumpertz & Heger Inc. (SGH) is a national engineering firm that designs, investigates, and rehabilitates structures, building enclosures, and materials.

Our award-winning work encompasses building, energy, civil/infrastructure, and science/defense projects in the United States, Canada, and more than thirty additional countries.

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