Description
The City of Flint is seeking a design‑build contractor to upgrade two decant tanks at its Water Pollution Control Facility. The work includes installing steel‑reinforced, chemical‑resistant cast‑in‑place concrete decking, 36‑inch stainless‑steel gas‑tight manways with gaskets, concrete cores for future piping, and aluminum floor doors with extended drainage. All labor, equipment, and materials must be supplied, with a requirement to finish the work within 30 business days after a Notice to Proceed. The bid must be submitted both in hard copy and electronically by the deadline, and the contractor must provide detailed pricing, qualifications, insurance, and bonding documents.
• Install four units of steel‑reinforced, Xypex‑admixtured concrete decks (minimum 4,500 psi) for two decant tanks.
• Provide four gas‑tight manways (36‑in. ID, 304 SS, ¼‑in. thickness) with bolts, lids, and Buna‑N gaskets.
• Deliver two 10‑inch concrete cores (city‑owned piping not included) and three‑by‑six‑foot aluminum floor doors with drainage 1 ft below slab.
• Submit comprehensive pricing, qualifications, insurance, and bond documentation; adhere to a 30‑business‑day construction schedule after award.