Substation Transformer Reconditioning and Reinstallation

The City of St. Charles is seeking a contractor to remove, transport, recondition, test, and reinstall an existing substation transformer, including specified control and monitoring upgrades.

City of St. Charles > Public Works Purchasing


General
Open (active)
ITB-EL2026-52-0-2027/MH
Nov 20, 2026 02:00 PM
Oct 28, 2026 12:30 PM
Invitation for/to Bid (IFB/ITB)
Local
Ask AI about this solicitation
Original Solicitation Links
Contact
procurement@stcharlesil.gov
+16305133058
Submission Instructions

All of the following are required.

Step 1

Online

Step 2

Mail
City of St. Charles; ATTN: Public Works Procurement Manager; 2 E. Main Street, St. Charles, IL 60174
Original Bid Bond/Bid Deposit
Description

The City seeks reconditioning of an existing 34.5/12.47 kV substation transformer. Work includes removal and transportation to the contractor’s facility; inspection and servicing or replacement of components as needed; oil replacement, gasket replacement, surface preparation and repainting; and factory/service-facility testing. The contractor must also provide a transformer automation controller and nitrogen blanket system, update technical documentation, and return, install, and test the transformer at the substation. The City will handle de-energization and removal or reconnection of control wiring, grounding, and bus connections. The response must include the completed cover page, signature page, price proposal page, certification of compliance, service provider response requirements, and price proposal worksheet. The response requirements call for five similar-project references from the past five years, financial-stability evidence, a W-9, credentials/licenses, a list of subcontracted work, proof of insurance, and explanations concerning contract noncompletion, bankruptcy or reorganization, and legal claims. The solicitation requires electronic submission through DemandStar; a bid bond is not required. Performance and payment bonds, insurance documents, and subcontractor/material-supplier listings are required from the successful bidder after award or with contract execution, not with the bid.

Classification Codes
NAICS335311Power, Distribution, and Specialty Transformer Manufacturing
PSC6120Transformers: Distribution and Power Station
Smart Codes
substation transformer reconditioningtransformer testingtransformer automation controller
Specifications
Supply & Service
Timeline
Nov 09, 2026 02:00 PM-Questions Due
Nov 20, 2026 02:00 PM-Bid Submission Deadline
Dec 1, 2026-Anticipated Award
Apr 30, 2027-Transformer Removal Deadline
Requirements
Required
Scored
  • Minimum 5 references
  • Within the last 5 years
  • Client point of contact required for each reference
Documents
TitleDate Posted
Price Proposal WorksheetOct 28, 2026 05:39 PM
Legal Ad-
Attachments A-EOct 28, 2026 05:39 PM
Substation Transformer Reconditioning ITBOct 28, 2026 05:39 PM
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