Douglas County Ionwave #CO-2026-0018 Addendum 1

Douglas County Law Enforcement Center Roof Replacement – Elevate EPDM System and Associated Work

Douglas County is seeking bids for a comprehensive roof replacement project at the Law Enforcement Center in Omaha, Nebraska. - Government Buyer: - Douglas County Public Property Department, Omaha, NE - OEMs and Vendors: - Elevate (primary specified OEM for EPDM membrane roofing system) - Bilco (roof hatches) - SNO BLOCKADE (snow guard system) - Substitution requests for Johns Manville/Berkshire Hathaway were not approved - Products/Services Requested: - Complete removal and replacement of the existing ballasted EPDM roof system - New ballasted EPDM membrane roofing system (Elevate, 25-year Red Shield warranty) - Polyisocyanurate insulation - Metal roof deck repairs - Sheet metal flashing and trim (24 gauge galvanized steel) - Joint sealants (polyurethane, ASTM C920 compliant) - Roof hatch (Bilco Type S-50TB, thermally broken, insulated) - Fence type snow guard (SNO BLOCKADE, powder coated) - Plumbing piping and insulation (cast iron, PVC, glass fiber) - Lightning protection system (NFPA 780 compliant) - Removal and reinstallation of mechanical equipment, roof curbs, and antenna relocation - Demolition of existing roof system down to structural deck - Repair and patching of roof deck penetrations - Unique/Notable Requirements: - Only previously approved manufacturers for the membrane system are permitted (Elevate specified) - 25-year manufacturer warranty on the roofing system and 2-year contractor warranty on labor/materials - Project is tax-exempt for materials - Bid bond (5% of bid if $70,000+), performance bond (100% of contract), and insurance required - Compliance with Nebraska labor and immigration laws - Work hours limited to weekdays; weekend work by advance notice - Liquidated damages apply for delays - All work must comply with specified codes and standards - Pre-bid meeting is non-mandatory; all questions via designated portal

Description

Douglas County is soliciting bids for the complete removal and replacement of the existing ballasted EPDM roof system at the Douglas County Law Enforcement Center located at 3601 North 156th Street, Omaha, Nebraska. The project includes all work and goods as specified in the bid documents, including demolition of the existing roof system down to the structural deck and installation of a new ballasted EPDM roof system. Bidders must submit a bid bond or acceptable substitute and comply with all specified insurance and bonding requirements. A non-mandatory pre-bid meeting will be held on June 10, 2026, and all questions must be submitted by June 12, 2026.

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