The City of Flint is seeking proposals for the design and construction of an ultraviolet (UV) disinfection upgrade at its Water Pollution Control Facility. The scope includes demolition of existing structures, installation of new concrete slabs, FRP cover panels, stainless‑steel grating, galvanized steel framing, utility trenching, motorized gates, and associated water‑stop and joint detailing. All work must comply with ACI, AISC, ASTM, and MDEQ/EGLE standards, and the prime contractor will coordinate with the design firm Hubbell, Roth & Clark, Inc. and the construction firm Wade Trim Group, Inc.
• Demolition of existing chlorine contact tanks, guardrails, precast covers, and concrete walls/slabs.
• Construction of new UV‑disinfection channel, including FRP covers, stainless‑steel grating, concrete slabs, and structural steel framing.
• Installation of utility trenching, conduit, pipe, valve boxes, and motorized stop‑gate/weir‑gate systems.
• Compliance with ACI 350, ACI 318‑14, AISC/ANSI 360, and other referenced codes; use of Hilti HIT‑HY 200 adhesive anchoring and specific material specifications.