USDA-NATURAL RESOURCES CONSERVATION SERVICE, 101 SOUTH MAIN STREET, TEMPLE, TX

Y -- NORTH ROLLING PLAINS RC&D SEDIMENT CONTROL STRUCTURES SOL NRCS-15-TX-96 DUE 091296 POC Geoben A. Johnson, Contracting Officer This project is for the construction of two earthen embankments designed for erosion control at county road crossings in Collingsworth County. The sites are located in the Rolling Red Plains Resource area of Texas. The sites are designed as dry dams. Each will have a pipe serving as principal and emergency spillway and an energy dissipation basin. A water way between the structures will be shaped and seeded with grass. A system of underground outlets will be installed to route water captured by the existing terraces into the new structures. Major items of work are: 10,749 cu yds of Class A compacted earth fill, 38 cu. yds of drainfill, 3,716 cu yds of common excavation, 169 ft. of24'' corrugated steel pipe,23.3 cu yds. of concrete, 2393 lbs of steelreinforcement, 90 tons of rock rip rap, 780 ft. of underground outlet with 7 vertical inlets and 4 outlets, vegetation of the works, and approximately 1000 ft. of fence. There is a significant potential for encountering dispersive soils in portions of the borow area; therfore. special attention shall be given toinspecting the borrow.The work is approximately 6.5 miles southeast of Wellington, Collingsworth county, Texas.Estimated Price range is between $25,000 and $100,000.Site visit will be held on a date to be determined. (0204)

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