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  5. ›EMERGENCY EXTENSION- Black Hawk SHS Museum Window Dormer…

Illinois DNR - Natural Resources·Illinois

EMERGENCY EXTENSION- Black Hawk SHS Museum Window Dormer Repairs & Replacements

Closes 10/15/2026$50k – $120kInvitation for Bid
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Description

This emergency extension authorizes the repair of five historic dormer structures and the replacement of five historic wood‑frame windows at the Black Hawk State Historic Site. The work must be completed by the extended contract date of January 16, 2027, and is being solicited through an open‑market bid process. • Scope: Repair five existing dormers and replace five historic wooden windows. • Location: Black Hawk State Historic Site, Rock Island, IL. • Contract Extension: Extends the original contract deadline to 1/16/2027. • Procurement: Open market invitation for bid; electronic quotes not permitted. • Key Contacts: Nicole Bergee (info contact) and Megan Dalton (SPO).

Attached files

Contact

Nicole Bergee

[email protected]

(217) 557-6794

Key dates

Opened
9/29/2026
Closes
10/15/2026
Duration
4 months

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
238150
Solicitation №
27-422DNR-REALT-B-54304

Budget estimate

$50,000 – $120,000

No budget amount is disclosed. Based on typical costs for historic window replacement and dormer repair (including labor, materials, and preservation compliance), a reasonable estimate for this five‑unit scope is between $50,000 and $120,000. Factors influencing the range include the historic nature of the work, specialty materials, and potential unforeseen conditions.

AI estimate from the solicitation

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