Seattle-Tacoma International Airport South Concourse Evolution (SCE), Bid Package 3

Seattle-Tacoma International Airport S Concourse Evolution (SCE) Project Bid Package 3 Notice of Request for Bids Pursuant to RCW 39.10.380, Hensel Phelps as the General Contractor / Construction Manager (GC/CM) for the project is requesting Bids from qualified firms for Bid Package 3 of the S Concourse Evolution (SCE) project at the Seattle-Tacoma International Airport. Additional information on this bid package and upcoming bid opportunities is available from: https://app.buildingconnected.com/public/5bc50ee0c2890a001fbbce30/projects/69b0319400f8674c93726802 Bid Package 3 includes: Subsystem 3.01 – Phase 1Glass and Aluminum Systems Total Bid Items (evaluated total) Budget Range: $7,500,000 to $10,000,000 Subsystem 3.02 – Phase 1 and select Phase 2 Vertical Transportation Total Bid Items (evaluated total) Budget Range: $17,000,000 to $20,000,000 Subsystem 3.03 – Phase 1 Demolition and Install of Passenger Loading Bridges (PLBs) Total Bid Items (evaluated total) Budget Range: $3,00,000 to $4,500,000 Subsystem 3.04 – Main Electrical Rooms Masonry Total Bid Items (evaluated total) Budget Range: $750,000 to $1,000,000 Subsystem 3.05 – Main Electrical Rooms Drywall Total Bid Items (evaluated total) Budget Range: $350,000 to $500,000 Subsystem 3.06 – Main Electrical Rooms Doors, Frames and Hardware Total Bid Items (evaluated total) Budget Range: $250,000 to $350,000 Subsystem 3.07 – Main Electrical Rooms Miscellaneous Metals Total Bid Items (evaluated total) Budget Range: $125,000 to $175,000 Subsystem 3.08 – Main Electrical Rooms Firestopping Total Bid Items (evaluated total) Budget Range: $30,000 to $50,000 Subsystem 3.09 – Main Electrical Rooms Joint Sealants Total Bid Items (evaluated total) Budget Range: $15,000 to $20,000 Subsystem 3.10 – Main Electrical Rooms Paint and Epoxy Flooring Total Bid Items (evaluated total) Budget Range: $350,000 to $450,000 Bid Documents are available August 26th, 2026. Email requests to access Bid Documents to SEASCEBids@ henselphelps.com. An Invitation to Bid will be sent via Building Connected to those requesting access to the Bid Documents. A non-mandatory but highly encouraged virtual pre-bid meeting will be held on September 3rd, 2026, at 12:30PM PDT Inperson and via Teams. Refer to Instructions to Bidders for location and access via Teams. Two non-mandatory site walks will be conducted on September 3rd, 2026. Site walk #1 will begin at 9:30AM PDT and site walk #2 will begin at 2:45PM PDT. Refer to Instructions to Bidders for location to meet, site walk limitations, requirements, pre-registration, and which Subsystems are to attend each of the site walks. Bids are due no later than 2:00PM PDT September 24th, 2026. Submit bids via email to SEA-SCEBids@henselphelps.com on the bid form included in the Bid Documents document titled Instructions to Bidders. Successful Bidder will be required to furnish 100% Payment and Performance Bonds for all subcontracts exceeding $100,000 on the Bond Forms provided with the Bid Documents. A Bid Bond is required to be submitted with the bid and on the forms provided with the Bid Documents. Subcontracts shall be executed on the Hensel Phelps standard subcontract forms, copies of which are included with the Bid Documents. This is a Project Labor Agreement (PLA) project. Workers’ Compensation Waiver of Subrogation will be required of all Subcontractors. Hensel Phelps is an Equal Opportunity Employer and Contractor. We encourage and actively solicit proposals/bids from ALL qualified trade partners and suppliers, including Small, Disadvantaged, Veteran-Owned, Service-Disabled Veteran-Owned, and HUBZone businesses on all our projects. License # HENSEPC843LC