Project Information

Bid Title

LIME RESIDUALS (LIME SLUDGE) REMOVAL, HAULING, TRANSPORTATION, STORAGE, AND DISPOSAL SERVICES 2026

Issuing Agency

City of Dubuque, IA

Location

Iowa

Published Date

Jun 18, 2026

Closing Date

Jul 6, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Bid Title:	LIME RESIDUALS (LIME SLUDGE) REMOVAL, HAULING, TRANSPORTATION, STORAGE, AND DISPOSAL SERVICES 2026
Category:	Water
Status:	Open

Description: The lime sludge residuals covered under this agreement are generated as a by-product of the municipal lime softening water treatment process. Residuals are mechanically dewatered using vacuum filtration dewatering technology and are typically produced at a solids concentration of approximately 42% - 45% solids by dry weight and is then loaded on to a truck for removal. An estimated 18,000 wet tons of solids are processed annually. Annual production quantities may vary depending upon treatment plant production rates, source water quality, operational demands, weather conditions, and process optimization activities. Residual hauling operations will normally occur during designated operating hours established by the Water Treatment Plant; however, the City reserves the right to modify schedules, extend hauling hours, require weekend operations, or temporarily suspend hauling operations as necessary to accommodate plant operations and emergency conditions. At no time is the Water Treatment Plant or its grounds to be used for permanent storage of the Contractor’s equipment or for performing work not related to the removal and transportation of lime sludge, without express permission of the City. Publication Date/Time: 6/18/2025 12:00 AM Closing Date/Time: 7/6/2026 2:00 PM Contact Person: Nick Connolly Water Department Operations Supervisor nconnoll@cityofdubuque.org 563-589-4291 Download Available: www.cityofdubuque.org/bids Fee: No Plan Deposit Required Plan & Spec Available: N/A Business Hours: Monday – Friday, 7:00 – 4:00 Plan Holders List: Available upon request Related Documents: View Document(s)

Commodity Codes

• NAICS 484230Specialized Freight (except Used Goods) Trucking, Long-Distance
• NAICS 562111Solid Waste Collection
• NAICS 562119Other Waste Collection

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