Olive 8 Innovative Shoring Design
Overcoming challenging design constraints, GeoEngineers designed and modeled a unique combined shoring system to significantly reduce costs for a 39-story mixed use high-rise in downtown Seattle.
Olympic Pipeline Span Protection
Whatcom Falls Park, a 241-acre oasis in Bellingham, Washington, features native woods and recreational trails that city residents enjoy year-round. Olympic Pipe Line Company operates a 16-inch-diameter pipeline that crosses Whatcom Creek in the park and delivers fuel products from Ferndale, Washington to Portland, Oregon. The pipeline ruptured in 1999, spilling more than 250,000 gallons […]
Yelm Hydroelectric Project FERC Compliance
The Yelm Hydroelectric Project provides reliable clean energy to the City of Centralia, Washington. A run-of-the-river concrete ogee dam diverts water from the Nisqually River into a nine-mile canal before it falls 200 feet into the powerhouse. In 1996, flooding in the Nisqually River washed out the canal’s earth-fill embankments, originally built in the late […]
1918 Eighth Avenue Shoring Design
The 1918 Eighth Avenue building in downtown Seattle is a 34-story mixed-use office/retail tower with below-grade parking. The site is bounded on two sides by major downtown streets and on two sides by condominium and office structures. As a result, excavation—which ranged from 63 to 73 feet deep—had complex support needs. GeoEngineers worked with Ground […]
McKinstry Station Remediation and Redevelopment
Located in Spokane’s thriving University District, the property formerly known as Taylor Edwards lies along the Spokane River and is a prime commercial development site. BNSF Railway Company formerly owned the property and the historic Great Northern Building located there. The site had once been used for railcar repair and had also been leased for foundry […]
Oakland Bay Bridge and Skyway Replacement
The Oakland Bay Bridge and Skyway were slated for replacement after a portion of the bridge’s upper deck collapsed in the 1989 Loma Prieta Earthquake. GeoEngineers was engaged to provide geotechnical consulting services to the contractor who installed the large-diameter permanent pile foundations for the Skyway Bridge portion of the bridge replacement project. GeoEngineers also […]
Rainier Court Brownfield Development
From site acquisition and cleanup through construction, GeoEngineers helped Southeast Effective Development (SEED) redevelop a contaminated in-city property. The site had been contaminated from years of misuse and illegal dumping, and the redevelopment effort culminated in 18,000 square feet of retail space and 386 housing units. The project won the 2005 the EPA’s National Phoenix […]
The Bravern Foundation, Dewatering and Shoring Design
Developing an under-utilized parcel in Bellevue that maximized on-site parking was challenging, considering the groundwater and soil conditions. GeoEngineers provided construction dewatering and shoring design solutions for an excavation below the groundwater table, leading the way for this two-tower mid/high-rise facility.
Hazel’s Creek Stormwater Facility
Spokane’s South Hill is a desirable residential neighborhood in a growing metropolitan area. As the area’s residential, commercial and retail development grows, managing the increasing stormwater runoff continues to be a challenge, especially during the rainy months. The City of Spokane and Spokane County recognized the need to add stormwater management capacity with new storage, […]
Gonzaga University Kennedy Apartments
Nationally recognized for its academic and athletic programs, Gonzaga University (GU) enrolls over 7,800 students each year. With more than 105 buildings on campus, GU continuously strives to improve campus facilities for faculty, staff and students. To meet the growing need for upper-classman housing, GU kicked off the multi-use complex project in 2005. The University […]