00017135 Addendum 1 .docx

This is Addendum No. 1 to an Invitation to Bid (ITB) issued by the Oregon Department of Transportation for the Amtrak Rail Station Roof Replacement project located at 500 13th Street SE, Salem, Oregon. The primary purpose of this addendum is to correct the mandatory pre-bid meeting date, which was previously listed as occurring in May but is now scheduled for June 24, 2026 at 10:00 AM at the project site. Bids are due July 2, 2026 at 10:00 AM. Attendance at the pre-bid conference is mandatory for bid responsiveness. The project scope includes removal and disposal of the existing worn membrane, replacement of damaged or wet insulation, installation of an 80-mil white TPO roofing system over two layers of 2.6-inch polyisocyanurate insulation, and careful removal and reuse of existing parapet wall cap metal. The roofing system must achieve UL Class A fire rating and comply with ASCE-7 wind uplift standards. Substantial completion is required by August 10, 2026, with final completion by September 10, 2026. Liquidated damages are assessed at $400 per calendar day for delays beyond substantial completion.

Bidders must maintain current Oregon Construction Contractors Board licensing and register in OregonBuys prior to submitting bids. Bid security of 10% of the total bid amount is required, with the project cost estimate for bonding purposes between $100,000 and $250,000. Roofing contractors must demonstrate a minimum of five years' experience and obtain manufacturer approval; all roofing products must be supplied by a single manufacturer with at least 20 years' experience, with acceptable manufacturers including Carlisle SynTec, Johns Manville, and Elevate, or approved substitutes. Contractors must obtain and maintain a Public Works bond prior to starting work and comply with prevailing wage rate requirements for Marion County (BOLI Region 3). Performance and payment bonds equal to the contract price are required, along with Commercial General Liability insurance of $1,000,000 per occurrence / $2,000,000 annual aggregate and Commercial Automobile Liability of $1,000,000 combined single limit. A 25-year manufacturer warranty with no dollar limit applies from the date of substantial completion. Requests for clarification, change requests, and protests of this addendum must be submitted by June 24, 2026 at 5:00 PM. Bidders must acknowledge receipt of this addendum on ITB Attachment A, Form A-1.