Douglas County Ionwave #CO-2026-0018 Addendum 2

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

• Douglas County is seeking bids for the complete removal and replacement of the ballasted EPDM roof system at the Law Enforcement Center in Omaha, Nebraska.
• The project includes demolition of the existing roof down to the structural deck, installation of a new ballasted EPDM membrane roofing system, and related work such as new roof drains, parapet coping, roof hatches, mechanical equipment curbs, and a lightning protection system.
• Elevate is the specified OEM for the EPDM membrane roofing system; substitution requests (e.g., Johns Manville/Berkshire Hathaway) are not approved.
• Other OEMs mentioned include Bilco (roof hatches) and SNO BLOCKADE (snow guards).
• Key products and materials include Elevate EPDM membrane (with 25-year Red Shield warranty), polyisocyanurate insulation, Bilco Type S-50TB roof hatches, SNO BLOCKADE snow guards, sheet metal flashing/trim, joint sealants, plumbing piping and insulation, and a lightning protection system.
• The scope covers mechanical, plumbing, and electrical work, including removal/reinstallation of exhaust fans, antenna relocation, and compliance with NFPA 780 for lightning protection.
• Notable requirements: strict adherence to insurance, bonding, and labor classification laws; compliance with local solid waste disposal regulations; and warranties (25-year manufacturer, 2-year contractor).
• The project is a lump sum construction contract with base and alternate bid items, including an option for increased membrane thickness (90 mil vs. 60 mil base).
• Work hours are limited to weekdays, with weekend work requiring advance notice.

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, NE. The project includes demolition of the existing roof system down to the structural deck, installation of a new ballasted EPDM roof system, and associated work such as removal and replacement of roof penetrations, roof drains, and roof accessories. Bidders must submit a bid bond or acceptable substitute and comply with insurance and performance bond requirements. A non-mandatory pre-bid meeting is scheduled, and questions must be submitted by the specified cutoff date.

View original listing