Renovation of a conference / convention center in Collinsville, Illinois. Completed plans call for the renovation of a conference / convention center.

Removal and replacement of the roof at the Gateway Convention Center. The City of Collinsville and Gateway Convention Center is soliciting bids from qualified bidders for the Roof Replacement of Sections 5, 6, and 7, at Gateway Center, One Gateway Drive, Collinsville, IL 62234. Proposals shall be delivered prior to the time and at the place indicated above. Each proposal shall be placed in a sealed envelope endorsed "Gateway Convention Center ROOF REPLACEMENT 2026." Only sealed proposals will be accepted. Remove existing EPDM membrane, insulation fasteners and plates. Leave in place existing 2 1/2 " insulation. Review existing insulation. Replace any damaged, wet, or crushed material after notifying Owner's representative of areas involved per the unit price in the proposal. Ensure all existing insulation is tight. Fill in gaps with spray in place foam. Provide new 1/2 " High Density Cover-board mechanically attached per manufacturer's requirements that will exceed the International Building Code (ASCE-7) or ANSI/SPRI WD. Furnish and fully adhere in bonding cement a new 60 mil reinforced EPDM membrane over the new coverboard and provide a 20-year warranty. Remove and replace existing deteriorated metal decking with new metal decking. Overlay existing deteriorated metal decking with new metal decking to match existing decking. Remove existing damaged, wet, or crushed insulation and install new polyisocyanurate insulation (1 layer) to match existing insulation height. Install .5" CDX plywood sheathing on parapet walls. Remove existing crickets and replace with new polyisocyanurate insulation crickets. Furnish and install new retrofit drain to existing roof drains (Hercules RetroDrain by OMG or approved equal) with case aluminum dome. Remove and replace deteriorated wood blocking with new KDAT wood blocking. For time and material work which may be directed by the Owner. Provide qualified workmen and materials. Base your rates on a full 8- hour, regular time day including all transportation, equipment, and supplies, and all salary, wage benefits, costs, overhead, and profit. The owner reserves the right to award the contract in total of section 5, 6, or 7 collectively or separate. Provide all labor, material, tools, equipment, and supervision necessary to complete the installation of 60 mil reinforced and / or non-reinforced (as indicated on the drawings), fully adhered EPDM roofing system. Include roof boards, accessories, insulation and flashings as specified herein and as indicated on the drawings in accordance with the manufacturer's most current specifications and details for the areas as indicated. All sheet metal associated with the roof system (drip edge, copings, termination bars & fascia) shall be included with the total roof system warranty and be in accordance with the latest ANSI/ SPRI ES1 requirements. ALTERNATE #1 SCOPE OF WORK Same as base bid except to furnish and fully adhere a new 75 mil reinforced EPDM membrane with a 20-year warranty. Provide cost adder ONLY. ALTERNATE #2 Provide additional cost or credit to recycle the existing EPDM membrane for Sections 5, 6, and 7