Site work, paving and new construction of a mixed-use development in Bondurant, Iowa. Completed plans call for site work for a 22,200-square-foot water / sewer project; for the construction of a water / sewer project; sidewalk / parking lot; and for paving for a sidewalk / parking lot.

1. New Water Treatment Plant: Construction of a 22,200 SF precast concrete/CMU building with wood roof trusses and prestressed precast concrete deck. Installation of induced draft aeration, horizontal pressure filtration, R.O. filtration, process piping, valves, low/high service pump rooms, chemical room, and other appurtenances. Plumbing, Electrical, HVAC, Standby Power and SCADA equipment installation. Finished administration area containing locker room/ bathrooms, breakroom, meeting room, offices, lab, and control room. 2. Raw Water Detention Tank: Construction of a cast-in-place concrete detention tank, approximately 88’Lx25’Wx15’T. (3) full height baffle walls with cast-in-place concrete cap. Aeration equipment and associated piping and valves. 3. Ground Storage Reservoir: Construction of a 600,000 gallon welded steel tank ground-storage-reservoir, approximately 60’ diameter, 32’ tall, with a domed top. Including a cast-in place reinforced concrete foundation on engineered compacted fill. Roof hatches, tank mixing and associated piping and valves. 4. Backwash Tank: Construction of a cast-in-place concrete backwash tank approximately 25’Lx25W’x14’T with a cast in place lid. 5. Sanitary Sewer Lift Station: Construction of (3) precast manholes on cast-in - place foundations. Manholes to be precast 72” diameter x 9’T, precast box culvert 8’x10’ and precast 120” diameter X 26’T. Manholes to include piping, valves, hatches, and pumps. A refabricated control building sitting on a cast-inplace foundation. Control building contains all controls, power distribution, VFDS, and ATS. 6. Water Treatment Plant Site Improvements: Site erosion control and management, including SWPPP preparation and management throughout project. New stormwater detention basin. Site grading, piping, paving, seeding, and other required landscaping. Requests for Clarifications and Questions: Please submit all questions directly to Story Construction at tom.gorman@storycon.com. Questions must be submitted no later than 5:00 PM on Friday, February 20, 2026. Construction Timeframe: Site earthwork and foundations start June 2026; Building foundations start November 2026; Building enclosure by May 2027; potable water to the distribution system December 2027. Bidding Timeframe: Drawings and specifications to be released around March 09, 2026, with bids being due around April 07, 2026. Story Construction retains the right to reject any/all submissions if documentation is flawed, incomplete, or insufficient to properly evaluate. Submissions must be fully completed on the correct form and include all supporting documentation to be considered responsive.