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Published September 2, 2025 at 8:00 PM
Updated November 7, 2025
Site work and renovation of a civil project in Marshalltown, Iowa. Completed plans call for site work for a water / sewer project.
Description: Construction of a new 6 MGD Reverse Osmosis (RO) Treatment Process Train at the Marshalltown Water Works existing treatment plant site and north to Sand Road, including a detention basin, water treatment buildings, dual0media gravity filters, installation of a pre-procured RO membrane system, water treatment chemical storage and feed systems, site piping, additional high service pumping, and electrical work and instrumentation and controls associated with the new water treatment equipment. The work also includes the construction of a new chemical and pump building at the existing Marshalltown Water Works water treatment plant that will include new booster pumps and chemical feed and storage. The Project shall be substantially complete by September 15, 2027 and reach final completion by November 14, 2027 Question Deadline 07/29/2025 Bidder shall submit all questions about the meaning or intent of the Bidding Documents to Engineer in writing. Contact information and submittal procedures for such questions are as follows: A. Rob Baker, HDR Engineering, Inc., 2901 South Loop Drive, Suite 3300, Ames, IA, 50010, 515-280-4973, rob.baker@hdrinc.com.
Award
Water / Sewer
$58,175,800.00
Public - City
Renovation, Site Work
Trades Specified
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