Copper Dome Restoration and Roof Repair | Adriance Memorial Library

The Poughkeepsie Public Library District is soliciting proposals from qualified contractors for the repair and maintenance of the main library’s roof and dome structure. We are requesting pricing, estimated timelines, and earliest availability based on your current workload for the scope of work described below. Please note that based upon State of New York municipal laws, that all bids are subject to prevailing wage requirements. This work will be awarded as one (1) single prime contract. The Bid will be received on a lump sum basis with alternates, if included on the Bid Form. Work shall be substantially completed by September 30, 2026. Final restoration shall be completed and the project ready for final payment by October 31, 2026. See documents for additional details and instructions. 06/01/26 Addendum No. 1 Contractor PreBid RFI:We are attaching two Partial Drawing Sets, which can serve as the basis for contractor bids. Again, please note that no dimensions have yet been field-verified, and responsibility will remain with the contractor. Also, it's worth reiterating that the intent is an in-kind restoration, maintaining the thickness and quality of all existing materials. Any material substitutions will need formal review after the contractor is awarded the job. [End of Addendum No. 1] 06/09/26 Addendum No. 2 (also attached): TO ALL PROSPECTIVE BIDDERS: This Addendum forms a part of the Contract Documents and modifies the original Bidding Documents as noted below. Acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to do so may subject the Bidder to disqualification. Clarifications & Scope of Work Changes Window Openings & Sealants:The contractor shall completely rake out, clean, prep, and caulk all window openings around the perimeter of the drum structure below the copper dome. This includes both the arched window openings and the square window openings. Sealant must be high-performance, exterior-rated, low-VOC, opaque and color-matched to the adjacent finishes. Drum Window Paint & Prep: Arched Windows: Provide full surface preparation, including scraping down to a sound substrate, priming, and painting of all historic wooden arched windows located in the drum. Square Windows & Sills: Provide localized prep and touch-up painting at all square windows and window sills located in the drum to ensure a uniform, weather-tight finish. Paint Specification Standards:All paints, primers, and coatings utilized on this project must be explicitly exterior-rated, low-VOC, and color-matched precisely to the existing historic finishes. Approved manufacturers are restricted to: Benjamin Moore Sherwin-Williams Or an approved equal submitted during the submittal period. Patinated Copper Process:For all localized copper repairs or fabrications on the dome, the contractor must employ a specialized patination process. Any new copper elements must be pre-patinated or treated on-site using an industry-standard chemical weathering process to accurately match the existing aged, green-brown verdigris patina of the historic dome, avoiding any bright, unweathered copper surfaces. Revisions to the Bid Form (Add Alternates / Line Items)While the primary contract scope remains the refurbishment and restoration of the historic copper dome structure, the Library District is requesting alternative pricing to evaluate the full scope of a total replacement.Bidders are required to provide a separate, dedicated pricing line item on theupdated Bid Form for the following itemized scope: Complete Dome Replacement Alternate:Provide a comprehensive, all-inclusive lump-sum cost for the complete replacement in-kind of the copper dome roof system. This pricing must include total demolition, historic disposal, structural decking inspection, new underlayment, and the fabrication/installation of a brand-new copper dome system matching the exact architectural profiles of the original structure. [End of Addendum No. 2] 06/24/26 Addendum No. 3 The sign-n sheet from the pre-bid conference held on June 4 has been attached as a document to this ad. [End of Addendum No. 3] 06/29/26 Addendum No. 4 An updated Bid From has been attached as a document to this ad. [End of Addendum No. 4] 06/29/26 RFI #1 & #2 RFI #1 – Window Surrounds & Trims (Drum Windows) Window Material Clarification: The 16 drum windows are painted wood. Base Bid Scope: The Base Bid includes localized repair and refurbishment of the drum’s window surrounds, trims, flashings, and decorative copper components to ensure they are secure and weather-tight. Replacement Policy: The Base Bid does not include a total replacement of these copper surrounds/components. Unforeseen Deterioration: If significant deterioration, systemic failure, or the definitive source of water infiltration is discovered during construction that requires a total replacement of these components, this will be handled as additional work and will only be performed upon Owner authorization via an approved Change Order. RFI #2 – Extent of Copper Dome RestorationThe intent of the copper dome restoration is to systematically examine all seams for structural and watertight integrity. Bidders should price the scope based on the following breakdown: Base Bid Scope (Ribs & Seams): The Base Bid includes completely removing and replacing all sixteen (16) ribs on the copper dome, along with repairing any compromised seams or deteriorated copper dome sheets discovered during the inspection. Alternate Scope (Full Replacement): Bidders must provide pricing for an Alternate Scope, which entails the complete removal and replacement of the entire dome, from the top of the drum upward. [End of RFI #1 & #2] Business enterprises awarded an identical or substantially similar procurement contract within the past five years: None