Shannon & Wilson

Shannon & Wilson, also known as S & W,[6] is an American geotechnical engineering and environmental consultancy firm headquartered in Seattle, Washington founded in 1954.[2] It was founded by William L. Shannon and Stanley D. Wilson (de), both of whom are alumni of Harvard University.[7] The firm offers various geotechnical, geological, and environmental services ranging from natural resource management to geophysical surveying for public and private sectors. The company’s markets include dams and levees, design and construction, energy, federal, industrial, property development, transportation, wastewater management, and waterfront facilities.[2] However, over half of their work is devoted to retrofitting and performing safety investigations on transportation projects.[5][8]

Shannon & Wilson
TypePrivate
IndustryCivil engineering
Founded1954 (1954), in Seattle, Washington, U.S
Founders
  • William L. Shannon
  • Stanley D. Wilson
Headquarters
Seattle, Washington
,
U.S
Area served
Worldwide
Key people
  • Gerard Buechel, President, Seattle Office Manager and Director[1]
  • Gregory Fischer, Chairman of the Board and Office Manager of Denver Area
[2][3]
Services
[4]
Revenue$28 million (2003)[5]
Number of employees
300-500[3][4]
Websitewww.shannonwilson.com

Founding

The firm is a manifestation of a revolution in civil engineering as a result of the birth of geotechnical engineering, which became a new field by the mid 20th century. Radically new concepts were taking shape in soil and rock mechanics pioneered by Professor Arthur Casagrande, a leading figure in geotechnical engineering, who encouraged Shannon and Wilson to form a partnership. The professor and his colleagues, including the founders of the firm, were in the process of establishing the foundation of what later came to be known as geotechnical engineering.[4]

Staff

In 1998, the firm peaked at 130 employees.[5] However, with the introduction of the tax-cutting Initiative 695 and the recession after that, both of which slashed transportation funding, the number of employees was reduced to 90 and has never exceeded 100 staff for several years.[5] However, the company has since grown to more than 300 employees in 11 offices nationwide.[4]

Events
Former headquarters of Shannon & Wilson. This 1960 NBBJ-designed building has Seattle Landmark status.

Expansion

Although headquartered in Seattle, the firm has offices based in Richland, Portland, St. Louis, Fairbanks, Anchorage and Denver. The Denver office opened around 2000 to work on a nearby revamp of Interstate 25.[5]

Lawsuits

In 2002, Shannon & Wilson became involved in a lawsuit as a result of property damage initiated by landslides in a residential area on Perkins Lane on top of Magnolia Hill.[6] The court ended up ruling in favor of Shannon & Wilson however.

Recognition

For more than half a century, Shannon & Wilson has played a major role in the design and construction of renowned public and private projects in the Puget Sound region. In recognition of their achievements, each year Shannon & Wilson sponsors the Stanley D. Wilson Memorial Lecture at the University of Washington, the Stanley D. Wilson Fellowship at the University of Illinois, and the William L. Shannon Endowed Fellowship at the University of Washington.[4]

Services
  • Geotechnical Engineering
  • Contamination / Remediation
  • Geologic Hazards
  • Natural Resources
  • Water Resources
  • Design-Build
  • Tunneling / Underground
  • Arctic Engineering
  • Construction Management

Notable projects

References
  1. "Company Overview of Shannon & Wilson, Inc.: Gerard Buechel". Bloomberg. Retrieved March 19, 2017.
  2. "Company Overview of Shannon & Wilson, Inc". Bloomberg. Retrieved March 19, 2017.
  3. "Shannon & Wilson Inc". Tunnels and Tunnelling. Retrieved March 19, 2017.
  4. "About". Shannon & Wilson. Retrieved March 19, 2017.
  5. "Shannon & Wilson". Seattle Daily Journal of Commerce. Retrieved March 19, 2017.
  6. Goldblatt, Steve. "Burg v. Shannon & Wilson, Inc". University of Washington Design and Construction Law. University of Washington. Retrieved March 19, 2017.
  7. "Shannon and Wilson Inc Stanley D. Wilson Award". University of Illinois. February 10, 2023. Retrieved February 10, 2023.
  8. "Transportation". Shannon & Wilson. Retrieved March 19, 2017.
  9. "Ten Years of SR 520 Bridge Project". Shannon & Wilson. Retrieved March 17, 2017.
  10. "SR 520: I-5 to Medina Bridge Replacement and HOV Project" (PDF). WSDOT. WSDOT. Retrieved March 19, 2017.
  11. Scheibe, Elizabeth; Brinckerhoff, Parsons; Robinson, Red; Clark, Gordon; Struthers, Jim; Warren, Stuart; Mott MacDonald, Hatch. "GEOTECHNICAL BASELINE FOR THE SR 99 BORED DESIGN-BUILD ALASKAN WAY TUNNEL, SEATTLE, WASHINGTON" (PDF). Shannon & Wilson. Retrieved March 19, 2017.
  12. "Interim Settlement Evaluation Report Alaskan Way Viaduct Replacement Program Seattle, Washington" (PDF). Washington State Department of Transportation. Retrieved March 19, 2017.
  13. "Searching for Cavities on BEACON HILL" (PDF). Shannon & Wilson. Tunnelling Journal. Retrieved March 19, 2017.
  14. "Ratifying and increasing the contingency for the Geotechnical and Civil Engineering Support Services Contracts for Beacon Hill Tunnels" (PDF). Sound Transit. Retrieved March 19, 2017.
  15. Page, Martin. "Driven piles make stadium strong". Seattle Daily Journal of Commerce. Retrieved March 19, 2017.
  16. "Shannon & Wilson Begins MSD Construction Management Project". pr.com. Retrieved March 19, 2017.
  17. Abkemeier, Tom; Groves, Chris. "CONSTRUCTION GROUTING OF THE BAUMGARTNER TUNNEL" (PDF). Shannon & Wilson. Retrieved March 19, 2017.
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