Water Purification Plant Lime Sludge Line Replacement

The City of Sioux Falls is requesting formal bids to demolish and replace lime sludge piping, valves, fittings, and associated electrical connections at its Water Purification Plant for an estimated $328,000.

City of Sioux Falls > Public Works


General
Open (open)
26-1102
Oct 08, 2026 07:00 PM
Sep 18, 2026 01:00 PM
$328,000.00
7 months
Invitation for/to Bid (IFB/ITB)
Local
Ask AI about this solicitation
Contact
contracting@siouxfalls.gov
+16053678643
Submission Instructions

All of the following are required.

Step 1

Online
Proposal Form/Instructions to Bidders, signed, Construction Bid Table (BT-07CZ), Bid bond or certified check, cashier's check, or bank draft as specified

Step 2

Mail
Customer Service Counter, Ground Floor, City Hall, 224 W. 9th St., P.O. Box 7402, Sioux Falls, SD 57117-7402
Certified check, cashier's check, or bank draft
Description

The City of Sioux Falls is soliciting a contractor to demolish existing 4-inch ductile iron lime sludge lines beneath the concrete floors of Basins 2 and 3 and replace them with concrete-encased 8-inch mechanical-joint ductile iron pipe. The work also includes replacing vertical piping, valves, fittings, and wall penetrations serving the basin sludge hoppers; installing manual and pneumatically actuated plug valves; reconnecting existing water and compressed-air lines; and painting and labeling exposed process piping. The contractor must provide associated electrical work, including new electrically actuated valves, junction boxes, conduit, control conductors, and connections to the existing control panels. The project requires demolition, concrete cutting and coring, pipe installation, pressure testing, coordination with an operating water purification plant, site safety and training, construction scheduling, and final testing and commissioning. The estimated project value is $328,000, and final completion is required by May 1, 2027.

Classification Codes
NAICS237110Water and Sewer Line and Related Structures Construction
PSCN047Installation of Equipment: Pipe, Tubing, Hose, and Fittings
Smart Codes
wastewater piping replacementductile iron pipe installationindustrial electrical installation
Specifications
Supply & Service
Timeline
Sep 18, 2026 01:00 PM-Open Date
Sep 29, 2026 06:00 PM-Pre-Bid Conference (optional)
The conference includes a walk-through of the project site.
Oct 05, 2026 10:00 PM-Questions Due Date
Oct 08, 2026 07:00 PM-Bid Submission Deadline
Oct 08, 2026 08:00 PM-Public Bid Opening (optional)
Bids will be publicly opened and read; virtual viewing is available through Webex using information and links provided by the City.
Requirements
Required
  • Workers' compensation
  • Employer's liability — $1,000,000.00
  • Commercial general liability — $1,000,000.00
  • Automobile liability — $1,000,000.00
  • Cyber liability — $1,000,000.00
Required
  • Bid Bond — 10%
Required
  • Minimum 5 references
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