Drainage Structures 2021

Work to include round 8” to 120” diameter, corrugated steel pipe arches with sizes to include 17” span x 13” rise to 112” span 72” rise. Gauges of metal pipe 8” to 12” to be 16 gauge, 15” to 24” to be 14 gauge, 30” to 36” to be 12 gauge. Sizes larger than 36” recommended gauge by vendor. The length of each structure will be determined by field conditions. Request bids on galvanized metal pipe and aluminized type II metal pipe. PLASTIC PIPE CORRUGATED SMOOTH INTERIOR WALLS Request bids for plastic pipe 8” to 60” diameter delivered to Orange County Highway Garage. Price per foot and priced per $3000 order or greater. Request bids for 4” to 8” perforated pipe in 100’ to 250’ rolls delivered to Orange County Highway Garage. GRATED STEEL BRIDGE DECKING Request bids for grated steel bridge decking 4” thick, priced by the square foot, delivered to the Orange County Highway Garage or within Orange County. GEOTEXTILE 10 rolls or less, give illustrations of net price per roll for woven fabric made up of polypropylene fibers 12.5 feet wide 500square yards per roll

Division 31 -	Earthwork, Erosion and Sedimentation Controls.
Division 33 -	Utilities, Storm Drainage Utilities, Ponds and Reservoirs.