Deschutes Brewery, one of the top 10 largest craft breweries in the United States, planned to expand their Bend, Oregon facility in 2015. The most recent brewery expansion included constructing six 40,000 gallon fermentation tanks and a two-story support building adjacent to the existing brewery. Geotechnical challenges during design and construction included: the potential to overload the soil based on the close proximity of existing and new foundations , and performing vertical excavations for new foundations adjacent to the existing facility. Wallace Group recommended the use of helical piles to deepen foundation loads and underpin the existing building.
Wallace Group performed a geotechnical exploration for expansion followed by design review and construction services. Wallace Group's scope of services included subsurface explorations and geotechnical analyses for foundation design, earthwork, and construction considerations. Construction began in spring 2016 and Wallace Group provided comprehensive geotechnical monitoring, special inspections and testing services, including: earthwork, reinforced concrete, structural steel welding and bolting, and epoxy. The Deschutes Brewery addition project was successfully completed in December 2016.
Medline Renewal is a medical device reprocessing business located to Redmond, Oregon. Wallace Group was part of the project design team lead by Blaise Cacciola Architects to construct a new 55,000 square-foot manufacturing facility on an 11.2-acre site within the City of Redmond’s Desert Rise Industrial Complex. Wallace Group was the geotechnical engineer of record, provided comprehensive site grading, as well as building pad monitoring and testing during construction. Wallace Group’s construction services also included special inspection, testing, and report documentation for reinforced concrete, CMU walls, structural steel, welding, and post-installed anchors in accordance with project plans, specifications, and City of Redmond Building Department requirements. The project was completed on-time and within Medline’s construction budget. The completed Medline Renewal facility provides for a sustainable, Central Oregon-based technology firm to remain in the area, provide family-wage employment opportunities to the Bend-Redmond Metropolitan Statistical Area (MSA), and help grow and enhance the economic diversity for all of Central Oregon.
The $20 million expansion plans for Pronghorn Resort included the construction of the Huntington Lodge located near the 18th hole of the Tom Fazio Championship Course. The Huntington Lodge, with a footprint of 20,600 square feet, will include over 100 hotel rooms, a spa, and a pool. The most significant geotechnical design challenge was the placement of the structure over the existing lava tube, which was discovered in 2003. Wallace Group examined the lave tube which has a 72 foot length and up to 19 foot ceiling height. The strength and geometry of the ceiling was evaluated and the results were used to perform engineering analyses in order to provide construction recommendations. The outcome was to rock bolt the cavern to reinforce the ceiling. Wallace Group provided geotechnical observations during this construction phase.
Additionally, Wallace Group provided design-level geotechnical engineering, earthwork monitoring, special inspection and construction materials testing services during construction of the Huntington Lodge, which will open in Fall 2017.
In 2018, Deschutes Valley Water District, ODFW, ODOT, BLM, Trout Unlimited, Deschutes Partnership, OWEB, Energy Trust of Oregon, and PGE joined forces to break ground on a fish passage project to remove a major barrier to salmon and steelhead at the Opal Springs Dam on the Crooked River. The objectives were to make upstream habitat more accessible and support the larger reintroduction effort of anadromous fish in the Deschutes Basin.
Wallace Group was commissioned by RSCI Group (General Contractor) to provide geotechnical engineering, earthwork, dam crest monitoring, construction materials testing, and special inspection services as part of the Opal Springs construction team. Technical and job-site safety challenges addressed by Wallace Group engineers and geologists included mitigating rock-fall, talus seepage, and slope stability for temporary excavation and H-pile and lagging shoring. The Opal Springs Fish Passage project is scheduled to be completed in 2019.
Daimler Trucks North America (DTNA) opened their new $18.7M High Desert Proving Grounds (HDPG) in Madras, Oregon in May 2017. The 87-acre site is located on City of Madras property and will serve as a key facility in Daimler’s future truck and autonomous vehicle testing program. The facility includes 3.5 miles of oval-shaped, inter-connected, highly-engineered event tracks, banked curves, and hill features with irregular, pre-cast panels that simulate a typical vehicle’s entire service life in a significantly reduced time period. Other development features include a 32,000 square-foot office and shop building with 14 services bays and overhead crane rails.
The HDPG site posed several geotechnical and construction challenges including:
The $6 million expansion of the Mount Bachelor ski resort included construction of the new Cloudchaser high-speed quad chair lift. With the addition of the new chair lift, an additional 635 acres were added to the resort’s lift serviced terrain. The construction of the new chair lift included top and bottom lift stations and 21 towers that span the 6,576-foot-long lift length. Starting in August 2016, Wallace Group provided geotechnical design and construction services to project team. Wallace Group’s prompt delivery of as-needed geotechnical recommendations and services were an integral part of maintaining the schedule of this fast-tracked project.
A significant geotechnical design challenge for the Cloudchaser project included the use of on-site light-weight soil backfill. A Wallace Group geotechnical engineer evaluated the lift station and tower foundation excavations on a case-by-case basis to provide recommendations and soil backfill properties that were used in sliding resistance calculations. In addition, Wallace Group provided comprehensive geotechnical monitoring, special inspection and materials testing services. The Cloudchaser chair lift began operation on schedule on December 16, 2016.
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