00016950 Addenda 3~1.docx

This is Addendum No. 3 to an Invitation to Bid issued by the Oregon Department of Transportation for a roof replacement project at the Spray Maintenance Station. The addendum modifies the original ITB document (S-73000-00016950) by providing as-built plans for the building as informational reference material through the OregonBuys attachments tab. The project involves removal and disposal of existing gutters, downspouts, trim, ridge cap, roof metal, and insulation from both the original 1986 building roof and the 2002 addition roof, followed by replacement of approximately 6,200 square feet with new insulated metal panel roofing, associated trim, and commercial-grade gutters and downspouts. The mandatory pre-bid conference was scheduled for June 10, 2026 at 11:00 a.m. Pacific Time at the project site located at 31459 Highway 19, Fossil, Oregon 97830. Bid submissions are due by June 25, 2026 at 10:00 a.m., with requests for clarification and protests of this addendum due by June 13, 2026 at 5:00 p.m. Substantial completion is required by October 15, 2026, with final completion by October 30, 2026.

The project cost estimate for bonding purposes ranges from $100,000 to $250,000 on a lump-sum basis, with bid security of 10% required and performance and payment bonds equal to 100% of the contract amount mandated. Bidders must hold an Oregon Construction Contractors Board license prior to bidding and demonstrate financial stability and past performance on similar projects. Oregon Bureau of Labor and Industries prevailing wage rates (Wheeler County / BOLI Region 12, effective January 5, 2026, as amended April 5, 2026) apply to the project. Contractors must carry Commercial General Liability insurance of $1,000,000 per occurrence with $2,000,000 annual aggregate and Commercial Automobile Liability insurance of $1,000,000 per occurrence, with the State of Oregon and ODOT named as additional insureds. The basis of design specifies Kingspan KingSeam 5-inch panels with R40 minimum insulation and white Silicone Modified Polyester paint finish, with liquidated damages assessed at $600 per calendar day beyond substantial completion.