Iowa State University Ionwave #RFQ-1001416 Addendum 1

ISU Horse Barn & Machine Shed Roof Replacement and Lightning Protection System

Iowa State University of Science and Technology (ISU) is seeking qualified contractors for the removal and replacement of roofs on the Horse Barn and Machine Shed at its Ames, Iowa campus. - Government Buyer: - Iowa State University of Science and Technology (ISU) - Offices: Procurement Services; Facilities Planning & Management - OEMs and Vendors Mentioned: - GAF (Timberline ArmorShield II shingles, WeatherWatch ice & water shield, Pro-Start starter shingles, Seal-A-Ridge ridge cap shingles) - Tarter (DuraTough Panel, part #DTPBL512) - Products/Services Requested: - Complete tear-off and replacement of existing roofing down to wood decking - Installation of new shingle roofing (GAF Timberline ArmorShield II or equivalent) - Underlayment (GAF FeltBuster or equivalent) - Ice and water shield (GAF WeatherWatch or equivalent) - Starter and cap shingles (GAF Pro-Start, Seal-A-Ridge, AS ArmorShield or equivalent) - New or reused flashing, metal edge trim, and ventilators - Supply and installation of at least four DuraTough Panel in Black - 12' by Tarter (MFG #DTPBL512) for fencing - Installation and/or reinstallation of a lightning protection system (UL 96/96A compliant), by a certified Lightning Protection Institute member - Unique or Notable Requirements: - Lightning protection system must use UL 96/96A compliant materials and be installed by a certified professional - 25-year manufacturer's warranty for the shingle roof system and a one-year contractor warranty for labor and materials - Building will remain operational during construction, requiring strict safety and cleanliness protocols - All work facing the interior area must be completed within 7 days once started - Performance and payment bond required - All work must comply with ISU's insurance, bonding, and construction terms and conditions - Equivalents to specified OEM products are allowed where noted

Description

Iowa State University is soliciting proposals from qualified contractors to remove and replace the roofs of the Horse Barn and Machine Shed. The project includes roof tear-off, installation of new shingles, flashing, ice and water shield, and lightning protection system work as specified in the provided drawings and documents. Contractors are encouraged to attend an optional pre-bid meeting and site visit scheduled for April 2, 2026. The proposal submission deadline is April 15, 2026.

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