State of Iowa Bid Opportunities
Bid Information
24-02
Sto842407B Nutrient Reduction Wetland
Request for Bids
Story
Description
This project is for a pumped wetland for nutrient reduction to be constructed in the floodplain. In general, the work involves, but is not limited to, selective clearing, excavation, grading, installation of lift station with electric transmission to the lift station, connection pipe from a joint drainage district tile to the lift station and from the lift station to the wetland with directionally drilled pipe, erosion stone, riprap, concrete grout, water control structure, CMP inlet risers with CMP drawdown pipes, turf reinforcement mat and seeding. This project includes around 37,960 cubic yards (CY) of earthwork, 70 linear feet (LF) of 15-inch HDPE Dual wall pipe, 710 LF of 12-inch outside diameter 4710 HDPE pipe directionally drilled, 140 tons (TN) of erosion stone, 1,112 TN of riprap, 242 CY of concrete grout, two slotted CMP inlet risers with CMP drawdown pipes, one CMP water control structure, stoplog storage structure, lift station with a 2 cubic feet/sec (7.5 HP and 12.33 feet of TDH) pump with VFD and electric transmission line to the lift station, 1,510 square yard of turf reinforcement mat and 15 acres of seeding. The estimated construction cost range for this project is $650,000 to $750,000.
Completion Dates: Construction November 15, 2024 with seeding completed by December 15, 2024.
Tiling will need to be completed in conjunction with repair work on the
See instruction in attached Document AA Notice to Bidders for instructions on submitting bids.
Agency Information
009
Agriculture and Land Stewardship
502 E 9TH ST
Des Moines, IA 50319
Contact Information
Valid Dates
3/17/2024 11:57:00 AM
4/10/2024 3:00:00 PM
Documents/Attachments
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