Hennepin West Pond Closure
Ash Impoundment & Pond Closure
Project Details
Developer:
Vistra Energy
Engineer:
IngenAE
Location:
Hennepin, IL
Work Scope
38 acres of clearing, grubbing and mowing
2,600 linear feet of silt fence
1,000 tons of rip-rap placement
Dewatering and stormwater management system
29,000 square feet of sheet pile installation
34,000 cubic yards of soil excavation
70,000 cubic yards of CCR excavation and grading
Piezometer and monitoring well extensions and replacement
150,000 square yards of 40 MIL LLDPE liner installation
150,000 square yards of geotextile installation
72,000 cubic yards of cover soil
5,900 linear feet of access road grading and stone placement
1,400 tons of rip-rap down chute installation
31 acres of seeding, mulch and vegetated surfaces
