DRAWING 20' WIDTH.pdf

This is a technical drawing file supporting the South Carolina Department of Transportation's Invitation for Bid (IFB 5400029980) for open grid steel bridge decking. The drawing provides specifications for a 20-foot width configuration and includes plan and profile views, railcar details, and grid deck layouts for both 20-foot and 22-foot widths. The project scope comprises 1,200 square feet of galvanized grid deck panels configured as two rail cars bolted together, measuring 60 feet long by 20 feet wide, designed to support AASHTO HS 25 and EV3 loads with maximum deflection of L/800 and a maximum weight of 30 PSF excluding trim bars. Sealed bids are due August 19, 2026, at 2:30 p.m., with written questions due August 4, 2026, at 12:00 p.m. All materials must be delivered no later than December 30, 2026, with delivery restricted to Monday through Thursday from 9:00 a.m. to 3:00 p.m. at 1025 Old Stage Road, Simpsonville, South Carolina 29681. Award notification will be posted September 1, 2026, with the initial contract term running September 14, 2026, through September 13, 2027. No pre-bid conference or site visit is scheduled.

Pricing shall be submitted on a unit-price basis per square foot of panels plus a lump-sum freight and delivery charge, with the bid price including all labor, materials, equipment, fasteners, shop storage, and protection from damage. The contractor must be AISC-certified and submit shop drawings within 20 days of contract award for approval by the SCDOT District Bridge Engineer before fabrication begins. Award will be made to the lowest responsible and responsive bidder. The contractor must carry Commercial General Liability insurance with minimum limits of $1,000,000 per occurrence, Auto Liability coverage of $1,000,000 per accident, and Workers' Compensation insurance with statutory limits. SCDOT personnel will provide onsite unloading at the delivery location.