Gary Hall, Prairie Material Sales, Inc. High strength concrete for high-rise buildings, post-tensioned parking structures, and overlays or special repair concrete for existing structures has been produced in Chicago for many years. Most major Chicago area ready-mixed concrete producers have
THE CONTRACTOR’S PERSPECTIVE
Kyle Schultz, Walsh Construction Company of Illinois The use of high performance concrete (HPC) on the Wacker Drive Reconstruction project presented several special challenges to the general contractor. Some of these resulted from the concrete mix proportions while others resulted
THE OWNER’S REPRESENTATIVE’S PERSPECTIVE
Timothy P. Schmidt, Alfred Benesch & Company The Chicago Department of Transportation (CDOT) retained Alfred Benesch & Company to provide construction management services for the Wacker Drive Viaduct Reconstruction Project. Our duty was to oversee the work of the contractors
HPC FOR WACKER DRIVE RECONSTRUCTION
S.L. Kaderbek, Chicago Department of Transportation Chicago’s Wacker Drive is a two-mile (3.2-km) long, two level roadway originally built entirely of reinforced concrete, used by 60,000 vehicles a day, and bracketing the north and west sides of Chicago’s downtown “Loop.”