18-Inch Sewer Replacement Project RFP

Description: Valley Sanitary District is soliciting proposals from qualified consulting firms for surveying, hydraulic evaluation, engineering design, permitting support, plans and specifications, bidding support, and engineering services during construction. The project involves abandoning an existing 18-inch cast iron sewer crossing beneath the Union Pacific Railroad corridor and constructing a new 18-inch gravity sewer alignment outside the railroad right-of-way. The RFP was released on August 27, 2026, includes a mandatory pre-proposal meeting on September 16, 2026, and requires proposals by October 8, 2026, at 4:00 p.m. Pacific Time.