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May 31, 2018
Factoria Recycling and Transfer Station
General contractor: PCL Construction Services
Owner/developer: King County Solid Waste Division
Owner's representative: Parametrix
Primary designers: J.R. Miller & Associates, HDR Engineering
The Factoria Recycling and Transfer Station replaced the old station with a 78,200-square-foot LEED gold facility.
Constructed in four phases and sequenced, the facility maintained service to customers throughout construction.
The project required the construction of a waste and recycle transfer building, administration building, household hazardous waste facility, numerous structural earth wall retaining systems, permanent and temporary soldier pile and lagging shoring walls, and 14 deep-water dewatering wells. Other activities included earthwork and underground utility work, concrete and hot-mix asphalt paving, and landscaping. Three existing on-site structures were demolished.
The facility features compaction equipment, which allows for fewer trips by trucks hauling to the landfill. The facility is fully contained, which allows for superior dust and odor control. Additionally, utility improvements allow for better containment and release of stormwater runoff and treatment of industrial wastewater.
Prior to construction, King County made it clear to all stakeholders that this seven-day-a-week facility needed to remain open without interruption throughout construction. To achieve this, the design team developed phasing, shoring and temporary roads.
During construction, PCL coordinated closely to move operations that might impact the facility to off hours or zones that King County was not scheduled to occupy. King County, PCL, HDR and Parametrix sought to identify any possible construction issues well ahead of actual schedule.
This team approach was cemented from day one in a facilitated partnering meeting that clarified risk mitigation, process management and reporting relationships. This effort is reflected in the minor budget growth (4 percent) for such a large and long project.