CSO Basin 34 Stormwater Mitigation and Separation Facility

The City of Spokane is seeking a contractor to construct a stormwater diversion and treatment facility with a lift station, wetland treatment systems, drywells, piping, pavement, sidewalks, and related utility work.

City of Spokane > Engineering Department


General
Open
13510
Sep 29, 2026 12:00 PM
Invitation for/to Bid (IFB/ITB)
Local
Ask AI about this solicitation
Contact
kwarren@spokanecity.org
+15096256700
Description

This construction project includes a diversion structure, stormwater lift station, four Modular Wetland stormwater treatment systems, four Type 2 deep drywells, five catch basins, and associated site piping. The work includes approximately 200 linear feet of stormwater forcemain pipe, a valve vault, approximately 380 linear feet of stormwater pipe of varying sizes, and related appurtenances. Additional work includes approximately 250 square yards of hot-mix asphalt pavement, 123 linear feet of sidewalks and driveways, sundry utility adjustments, and other miscellaneous construction items.

Classification Codes
NAICS237110Water and Sewer Line and Related Structures Construction
PSCC1NDARCHITECT AND ENGINEERING- CONSTRUCTION: SEWAGE AND WASTE FACILITIES
Smart Codes
stormwater treatment systemsstormwater lift stationstormwater piping
Specifications
Supply & Service
Timeline
Sep 29, 2026-Bid Due Date
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