2026 Sewer Manhole Rehabilitation Program

Electronically submitted bids will be received by the City of West Des Moines City Clerk’s Office at wdm.ionwave.net, until **2:00 p.m. on Wednesday, November 18, 2026**, for the following described public improvement:

2026 SEWER MANHOLE REHABILITATION PROGRAM, WEST DES MOINES, IOWA, Project No. 0510-009-2026.

The extent of work on this project is the furnishing of all labor, equipment, and materials for the construction of improvements generally described as follows: Combination cementitious and epoxy lining of approximately 360 vertical feet of sanitary sewer manholes, chemical grouting of joints and cracks as required for manhole lining, installation of spray on urethane internal chimney seal material for 25 manholes, removal and replacement of approximately 95.3 square yards of PCC pavement, removal and replacement of nineteen (19) manhole castings, traffic control and other miscellaneous associated work.

The extent of work on this project is the furnishing of all labor, equipment, and materials for the construction of improvements generally described as follows: Combination cementitious and epoxy lining of approximately 360 vertical feet of sanitary sewer manholes, chemical grouting of joints and cracks as required for manhole lining, installation of spray on urethane internal chimney seal material for 25 manholes, removal and replacement of approximately 95.3 square yards of PCC pavement, removal and replacement of nineteen (19) manhole castings, traffic control and other miscellaneous associated work.

The kinds of materials, estimated quantities, and work to be done for the project on which bids will be received are as shown on the bid proposal for said project.

All work is to be done in strict compliance with the Plans and Specifications prepared by AECOM which have been heretofore approved by the City Council and which are now on file for public examination in the office of the City Clerk.

Manhole inspection videos for the manholes included in this project are available for download. Please contact Todd Allyn (todd.allyn@aecom.com) to have a link to these files sent to you.

**Submission:** Bids shall be submitted electronically using wdm.ionwave.net. A fully completed *Bidder Status Form* is **required** with the bid; failure to submit it may result in the bid being deemed nonresponsive and rejected.

**Bid security:** Each proposal shall be electronically accompanied by a scanned copy of the bid bond, or a scanned copy of a cashier’s or certified check drawn on an Iowa bank or a bank chartered under the laws of the United States in an amount equal to **ten percent (10%)** of the total amount of the bid. A physical copy of the bid security will be required to be submitted to the City Clerk’s Office by the apparent low bidder within **48 hours** of the bid deadline.

**Bonds:** The successful bidder will be required to furnish a performance and payment bond in the amount of **one hundred percent (100%)** of the contract price. Additionally, the contractor must provide the City with a guarantee of maintenance of said improvement for a period of four (4) years from the time of acceptance by the City.

**Award:** Award of the Contract will be made to the lowest responsible/responsive Bidder. Lowest bid will be determined by the lowest Base Bid, exclusive of any Alternates or Allowances.

**Contract term:** Work on said project shall commence within ten (10) days of a written notice to proceed and shall be completed by **September 30, 2027**. Liquidated damages in the amount of **$500.00** per day will be assessed for each day that the work remains uncompleted after the end of the contract period.

**Payment:** Payment will be made to the contractor based on monthly estimates in amounts equal to ninety-seven (97%) percent of the contract value of the work completed during the preceding calendar month.

If any bidder needs assistance in registering within wdm.ionwave.net or anything associated with the submittal of an electronic bid, please contact the City Clerk’s Office at 515-222-3600 or Ryan.Jacobson@wdm.iowa.gov.