Culvert: One #17-L2 aluminum box culvert, 40.5 linear feet long, 12 ft 3 in span × 4 ft 5 in rise, with full invert and 0.150-inch metal thickness.
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What the job is
Headwalls: Inlet and outlet headwalls, each 6 ft 10 in high × 27 ft wide, 0.200-inch thick; 6 ft 9 in headwall stubs, 0.200-inch thick, with Type 2 haunch ribs on 9-inch centers. Fully weld inside and out at a 19-degree skew, with two root and two finish welds on each side; grind finish welds smooth.
Materials: Include all caps, support members, gaskets, hardware, tieback rods with deadman anchor plates, and one roll of TX-160 Tensar Geogrid or functional equivalent.
Engineering: Design for AASHTO material requirements, LRFD HL-93 loading, and headwall surcharge. Include independent North Carolina PE-stamped drawings, headwall calculations, and safety bracing plans within five calendar days of order.
Assembly and timing: Verify fit and match-mark before shipment; ready to ship within 30 calendar days of order. Include field assembly within one working day and at least three days onsite for installation and backfill oversight. Include assembly tools and all freight costs.
XL Eagle