INVITATION TO BID - Influent Flume Repairs at South Water Treatment Plant

The City of Decatur will receive sealed bids for Influent Flume Repairs at the South Water Treatment Plant.

**Bid Alternate No. 1** includes repair of existing flume expansion joint as indicated on drawings.

**Bid Alternate No. 2** includes installation of PVC pipe below existing leak locations at the areas indicated on the drawings.

Flume Intersection Epoxy Crack Injection

• For bidding purposes, contractor shall assume 60 linear feet of crack injection.
• Crack injection shall conform to ASTM C881 Type IV.
• All products shall be NSF 61 product certified.
• Crack injection shall be performed from the negative (dry) side of the wall.

Flume Expansion Joint Repair

• Influent flume shutdown for installation of expansion joint repairs shall be limited to approximately a four-hour working window. Contractor shall coordinate scheduled shutdown with Owner.
• Detail shall be installed from the interior of the flume.
• Gasket shall be 1/4" thick and conform to ASTM D2240 Shore 50A.

Bid Alternate No. 2 PVC Pipe

• Locate PVC pipe below existing leak locations. Field route to nearest floor drain at minimum 1/4" per foot.
• Contractor shall be responsible for all pipe supports.

Bids will be accepted until **10:00 a.m., Central Time, on November 6, 2026**, and will be publicly opened and read. Bids shall be submitted to the Purchasing Office on the first floor of the Civic Center. **Sealed bids only**; bids submitted by facsimile, telephone, email or text are not valid.

All bids must be marked in the bottom left-hand corner with the following: "SEALED BID FOR INFLUENT FLUME REPAIRS - SWTP #PUR2026-09."

Bids are to be submitted on the attached *Bidder's Proposal Form*. NO OTHER FORMS WILL BE ACCEPTED.

Required documents:

• Prevailing Wage documentation
• Minority Business Enterprise (MBE) documentation
• Bid Proposal
• Certificate of Insurance
• Signed Bid Signature Page
• Notarized Non-Collusion Affidavit

Minority participation goals: 10% of the total dollar amount of the contract should be performed by Minority Business Enterprises, and 18% of the total hours worked should be performed by minority workers.

**Site visits must be completed by Tuesday, October 27, 2026.** To schedule a site visit contact John Dodwell, edodwell@decaturil.gov.

The contract will be awarded to the lowest and best responsive and responsible bidder meeting specifications.