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Cedar Hills Landfill Development Alternatives

Working with our limited resources takes smart collaborative planning, and Herrera is developing forward-looking strategies to manage regional solid waste. The Cedar Hills Regional Landfill (the largest landfill in Washington State) is projected to reach its capacity in 2028. Herrera is leading a team of solid waste facility specialists who are helping King County revise the landfill’s site development plan and extend its capacity to 2040. During 2016 and early 2017, the team developed conceptual layouts for 10 development alternatives, screened and prioritized the alternatives based on selected criteria, took the five top alternatives to 20 percent design to facilitate detailed cost estimating and lifecycle economic modeling, and worked with King County to further integrate site-wide development planning into business planning. During 2019 and 2020, Herrera will develop a SEPA environmental impact statement to evaluate the top development alternatives.

Location
Maple Valley, WA
Owner
King County, WA
Project Contact
Phil Coughlan
Services
Waste and Materials Management
Project Type
Civil Engineering

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Our Offices

Seattle, WA

2200 Sixth Avenue
Suite 1100
Seattle, WA 98121
Phone (206) 441-9080
Contact: Phil Coughlan

Portland, OR

107 SE Washington Street
Suite 140
Portland, OR 97214
Phone (503) 228-4301
Contact: Ellen McClure

Missoula, MT

101 East Broadway
Suite 610
Missoula, MT 59802
Phone (406) 998-6760
Contact: Heidi Houck

Bellingham, WA

1329 North State Street
Suite 200
Bellingham, WA 98225
Phone (360) 398-5075
Contact: Chris Webb

Casper, WY

444 S. Center St.
Casper, WY 82601
Phone (206) 787-8219
Contact: Tyson Wright, PE

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