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Colsman Tunnel Rehabilitation Project (Progressive Design-Build) Centennial, Colo. BEST PROJECT
Owner: Southgate Water & Sanitation Districts Lead Design Firm: Dewberry General Contractor: Garney Cos. Engineer: Burns & McDonnell Geotechnical Engineer: Shannon & Wilson Inc. Subcontractors: Big R Bridge; Cematrix Inc.; Global Underground Corp.; HEI Civil; ISCO; Marine Diving Solutions; SewerVUE; Sunbelt Rentals; Tweisz; Weston Landscaping; Xtreme Drilling
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