Water Treatment Plant Improvements

Greenfield Municipal Utilities is seeking sealed bids for comprehensive water treatment plant improvements, including a new raw water main, treatment and ozone buildings, process equipment, electrical systems, and site work.

Greenfield Municipal Utilities


General
Open
Nov 03, 2026 07:00 PM
Oct 14, 2026 12:00 PM
2 years 10 months
Minority-Owned BusinessWoman-Owned Business
Invitation for/to Bid (IFB/ITB)
Local
Ask AI about this solicitation
Contact
chelsea.sullivan@hrgreen.com
+15154890084
5525 Merle Hay Road, Johnston, IA, USA
Submission Instructions
Mail
GMU Office Administrator, Greenfield Municipal Utilities, GMU Downtown Generation Plant, 116 SE Jackson Street, Greenfield, IA 50849
Description

Greenfield Municipal Utilities is soliciting sealed bids for construction of water treatment plant improvements. The work includes approximately 860 linear feet of new 12-inch raw water main; a paved driveway, access drive, grading, and related site improvements; a new generator, utility main disconnect, automatic transfer switch, and distribution panel; removal of existing steel Trident process units; and construction of new treatment and ozone buildings. The treatment facilities will include flocculation basins, plate settlers, granular activated carbon filters, clearwells, chemical feed equipment, pumps, ozone contact basins, an ozone feed system, and associated process, electrical, controls, and mechanical components. The project includes a 1 percent goal for certified minority-owned businesses and a 3 percent goal for certified woman-owned businesses. Bidders must submit the required DBE subcontractor solicitation information and certification regarding debarment, suspension, and other responsibility matters forms with their bids, and demonstrate good-faith efforts regarding the participation goals.

Classification Codes
NAICS237110Water and Sewer Line and Related Structures Construction
PSCY245Construction of Water Supply Facilities
Smart Codes
water treatment plant constructionwater main installationwater treatment equipment
Specifications
Supply & Service
Timeline
Oct 15, 2026 07:00 PM-Pre-Bid Walk-Through (optional)
Prospective bidders are encouraged to attend a site walk-through conducted jointly by the Owner and Engineer.
Nov 03, 2026 08:00 PM-Bid Submission Deadline and Public Opening
Nov 10, 2026 02:00 PM-Owner Action on Bids (optional)
Meeting of Greenfield Municipal Utilities at which the bids will be acted upon.
Dec 10, 2026-Notice to Proceed Deadline
Mar 16, 2029-Substantial Completion and Operational Deadline
Sep 14, 2029-Final Completion Deadline
Requirements
Required
  • Bid Bond — 5%
  • Payment Bond — 100%
  • Performance Bond — 100%
Location
'Water and Sewer Line and Related Structures Construction' Opportunities
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