CLIENT

IDOT

PROJECT START DATE

2001

PROJECT COMPLETION DATE

2004

DUPAGE COUNTY, ILLINOIS

Singh & Associates, Inc. (SINGH) provided civil engineering services for the IL 53, Elgin-O’Hare to Army Trail Road. The entire project included pavement reconstruction and widening from one lane to two lanes in each direction. SINGH was responsible for preparation of location drainage study of four miles of the IL Rt. 53 (Rohlwing Rd.) between Army Trial Rd. and Elgin O’Hare Expressway. The scope of work was hydraulic and hydrologic analysis of the existing 10 culverts and 7 detention ponds. It also included Spring Brook floodway and floodplain encroachment calculations and preliminary cost estimates. The proposed drainage improvement included new storm sewer system design and detention storage calculations for 12 watersheds and 13 release control structure designs