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University of Washington Bothell


Project Specifications:

Location:  Bothell, WA

Application: Detention

Product used:  8’-0’’ DoubleTrap

Number of pieces: 100 pieces

Number of systems: 1

Total water stored: 36,788.36 cf

Market: Education

Project Details:  A detention system was installed under a new parking lot at University of Washington Bothell. The university is adding 103 parking spaces for staff and students. Prior to the new construction, the land was a grassy swale.

Challenge:  The University of Washington plans to build another campus building on site in the next 5-10 years. A system that can be easily disassembled and re-purposed was needed.  It will be possible to cut StormTrap joints, take the StormTrap vault apart, and reassemble as another stormwater facility on campus if the new site meets the same site design parameters.

Solution:  The detention system was successfully installed under the new parking lot. The water is discharged into a storm filter and then a wetland. The General Contractor, Victor Bohannon, 3 Kings Environmental, states, “StormTrap offered a great experience in relation to ordering and installing.”