00017135 Addendum 2 .docx

This is Addendum No. 2 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 under ITB BID # S-73000-00017135. The addendum, dated June 25, 2026, adds the pre-bid meeting agenda and sign-in sheet to the OregonBuys attachments and modifies the project completion schedule. The mandatory pre-bid conference was held on June 24, 2026 at 10:00 a.m. Pacific at the project site, with attendance required for bid responsiveness. Bid submissions are due July 2, 2026 at 10:00 a.m. Requests for clarification, change requests, and protests of the addendum must be submitted no later than June 27, 2026 at 5:00 p.m. The scope of work includes removal and disposal of the existing worn membrane, replacement of damaged or wet insulation, installation of an 80-mil white TPO roofing system with specified insulation layers and vapor retarder, and careful removal and reuse of existing parapet wall cap metal. The system must achieve UL Class A fire rating and comply with applicable building codes and wind uplift standards.

The amended completion dates require substantial completion by August 10, 2026 (revised from July 26, 2026) and final completion by September 10, 2026 (revised from July 29, 2026). Liquidated damages of $400 per calendar day apply for delays beyond substantial completion. The project cost estimate for bonding purposes is $100,000 to $250,000, with bid security of 10% of the total bid amount required. Bidders must maintain current Oregon Construction Contractors Board licensing, register in OregonBuys, and obtain public works bonding prior to work commencement. The roofing contractor must have a minimum of five years' experience with manufacturer approval, and all roofing products must be supplied by a single manufacturer with at least 20 years' experience. Acceptable membrane manufacturers are Carlisle SynTec, Johns Manville, and Elevate, or approved substitutes. A 25-year manufacturer warranty with no dollar limit applies from the date of substantial completion. Prevailing wage rate requirements for Marion County (BOLI Region 3) apply, and contractors must maintain Commercial General Liability insurance of $1,000,000 per occurrence and Commercial Automobile Liability of $1,000,000 combined single limit. Work is permitted on weekdays between 7 a.m. and 5 p.m., excluding weekends and state holidays unless approved.