This Solicitation opportunity from Iowa was posted on July 30, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Replace Roof on the Perry Maintenance Garage

Closed

DASIowa-645-DOTRFB-2950-2027State & Local

Submission Closed08/20/2026, 06:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 238160

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AI Contract Overview

The Iowa Department of Transportation is soliciting bids for the complete replacement of the roof on the Perry Maintenance Garage, with work requiring the removal of all existing roofing materials including flashings, gutters, and downspouts to expose the underlying rigid insulation board. The new roof system must consist of mechanically fastened rigid polyisocyanurate insulation achieving an LTTR rating of R-30, covered by a 1/4-inch adhered cover board and a 60-mil adhered EPDM membrane. Additional tapered insulation must be installed to ensure proper drainage to existing roof drains, and new edge flashing, gutters, and downspouts must match the existing quantity, profile, and color. The curb height for roof vents and pipe penetrations must be raised to accommodate the increased insulation depth. Bidders must respond to both specified lines in the items section to be considered compliant, and all work must be performed while keeping the building operational. The contract has a proposed start date of September 1, 2026, with an anticipated completion date of October 15, 2026, and all work must comply with Iowa DOT supervision and inspection protocols, requiring advance notice of at least 24 hours before any installed component is ready for inspection. Payments will be made monthly at 97% of the value of completed work and acceptable materials stored on-site, determined by the Iowa DOT. The bid opening is scheduled for August 20, 2026, at 1:00 p.m. CT, with remote access available via a Teams meeting and phone conference. Site visits are highly recommended and will occur on August 10 and 11, 2026, with all questions to be submitted through the Q&A Board or via email to the designated point of contact only. The Iowa DOT will award the contract based on cost and other factors including past performance, staffing, and adherence to schedule, and the agency is tax-exempt. Davis-Bacon wage provisions do not apply to this project.

General Info

Replace Perry Maintenance Garage roof with R-30 insulation, EPDM membrane, new flashings, gutters, drains; work must be operational, complete by Oct 15, 2026.

Agency

Iowa

NAICS

238160 - Roofing Contractors

Place of Performance

Not specified

Set-Aside

NONE

Documents

645-DOTRFB-2950-2027 Replace Roof on Perry Maintenance Garage

rfb

High

Iowa DOT Pre-Bid Substitution Request Form

pre-bid-substitution-request

High

Iowa DOT Supplemental Terms and Conditions Effective July 1, 2026

supplemental-terms-and-conditions

High

Perry Maintenance Garage Roof Replacement Plans BG-2P21(014)-80-25

specifications

High

Project Manual Perry MG Roof Replacement BG-2P21(014)--80-25

project-manual

High

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedJul 30

Solicitation

Response DeadlineAug 20

Deadline has passed

Submission Closed

08/20/2026, 06:00:00 PM UTC

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Organization & Contact Information

AgencyIowa

Contacts1 person available

OfficeIA

Organization / AgencyIowa

Office AddressIA

Contacts

Teri Schulz

contact@example.gov

Full Description

Overview The Iowa DOT is seeking competitive bids for the removal of the roof on the Perry Maintenance Garage as per the Plans and Project Manual on the Buyer Attachments section of this RFB. Base Bid: Remove existing roof material, flashings, gutters and downspouts on Perry Maintenance Garage to expose the existing rigid insulation board. Raise the curbs as needed for the existing roof vents and pipe penetrations to maintain their height above the increased insulation depth. Replace with a rigid polyisocyanurate insulation meeting a LTTR rating of R-30 mechanically fastened to the metal deck, 1/4" cover board adhered to the insulation layer and covered by a 60 mil adhered EPDM roof membrane. Install new edge flashing, gutters and downspouts to match the existing quantity, profile and color. Add additional mechanically fastened rigid polyisocyanurate insulation to meet an LTTR of R-30. Adhere a 1/4" cover board to the insulation and adhere a 60 mil EPDM membrane to the cover board. Install new tapered insulation as needed to direct water to the existing roof drains. Install new sheet metal coping around the high office parapet as detailed. Building to remain open during construction. Unit Price: Remove the existing wet rigid insulation board found, and replace with new. Place new insulation board over new self adhered vapor barrier over existing metal deck. LINES ARE TIED. RESPONDERS MUST RESPOND TO BOTH LINES ON THE ITEMS SECTION TO BE COMPLIANT. The Iowa DOT bidding process is subject to the procedures and requirements established in Iowa Administrative Code 761--20. Shipping Terms Deliveries shall be F.O.B Destination. Award - Cost and Other Factors It is the intent of the Iowa DOT to award the contract to the responsible bidder whose submission is the most advantageous to the Iowa DOT, cost and other factors considered. Other factors include, but are not limited to: meeting or exceeding mandatory requirements, proposed staffing, and meeting required time schedule. Other factors may also include a comprehensive review of bidders past work performance, and work capacity.. Notification of Intent to Award After responses are evaluated, a Notification of Intent to Award (NOIA) and bid tabulation will be posted publicly on the IMPACS Business Opportunities site. Communication Until a contract is awarded, the sole point of contact for this bid opportunity will be the Purchasing Agent listed in the event. All questions must be directed solely to the Purchasing Agent and will not be accepted after the Q&A Submissions Close Date. Bidders are strongly encouraged to submit all questions through the Q&A Board. Responses to questions will be posted on the Q&A Board. Contract Term DOT estimated start date: September 1, 2026 DOT estimated completion date: October 15, 2026 DOT Responsibility-Inspection and Supervision All work shall be according to the approved design and shall be under the direct supervision of the Iowa DOT. Periodic site inspections will be carried on by the Iowa DOT with the Contractor to ensure coordination of the project. The Iowa DOT will provide a list of items requiring inspection prior to or during installation. The Contractor is to give the Iowa DOT notice no less than 24 hours in advance of installation. The Iowa DOT point of contact after the contract award shall be determined. Payment and Completion of Contract Payments on contract will be made monthly by means of state warrants to the extent of Ninety-Seven Percent (97%) of the value of work performed, including acceptable material stored at the building site, as determined by the Contractor as governed by the Iowa DOT. Site Visits A site visit is Highly Recommended. Below are dates and times that Contractors may visit the site. Any questions that arise during the site visit must be emailed to Teri Schulz at contact@example.gov or submitted through the Q & A Board on the solicitation. Contractors must provide their own equipment, including ladders, for the site visit. Monday August 10, 2026: 1:30-2:30 pm Tuesday August 11, 2026: 8:30-10:00 am Tax Exemption The Iowa Department of Transportation is a tax-exempt agency. Tax exemption certificates will be provided upon request. Davis-Bacon wages do not apply. _________________________________________________________________________ Bid Opening Date: August 20, 2026 Time: 1:00 pm CT Interested responders are welcome to attend the bid opening via the Teams meeting link or by phone with the conference id number (listed below) followed by the # sign. JOIN TEAMS MEETING Meeting ID: 260 355 860 286 370 Passcode: oi9Cp3by Dial in by phone +1 (555) 000-0000,,115139662# United States, Ames Find a local number Phone conference ID: 115 139 662# Those who join the public bid opening after 1pm may not hear all the responses read aloud but all responses will be posted publicly for viewing as soon as they become available.