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The Chicago Sanitary and Ship Canal, historically known as the Chicago Drainage Canal, is a 28-mile-long (45 km) canal system that connects the Chicago River to the Des Plaines River. It reverses the direction of the Main Stem and the South Branch of the Chicago River, which now flows out of Lake Michigan rather than into it.
Aerial view of Phase II of the McCook Reservoir under construction in 2023. The Tunnel and Reservoir Plan (abbreviated TARP and more commonly known as the Deep Tunnel Project or the Chicago Deep Tunnel) is a large civil engineering project that aims to reduce flooding in the metropolitan Chicago area, and to reduce the harmful effects of flushing raw sewage into Lake Michigan by diverting ...
For this project, McHugh pioneered the use of fiberglass concrete forms that are still used for curved concrete construction. The project, the world's tallest reinforced concrete structure at the time, also marked the first use of the climbing crane , which paved the way for speedier, more efficient high-rise construction.
The Chicago metropolitan area – also known as "Chicagoland" – is the metropolitan area associated with the city of Chicago, Illinois, and its suburbs. [2] With an estimated population of 9.4 million people, [ 3 ] it is the third largest metropolitan area in the United States [ 4 ] and the region most connected to the city through geographic ...
Unlike traditional impervious paving materials such as concrete and asphalt, permeable paving systems allow stormwater to percolate and infiltrate through the pavement and into the aggregate layers and/or soil below. In addition to reducing surface runoff, permeable paving systems can trap suspended solids, thereby filtering pollutants from ...
Watersheds of North America are large drainage basins which drain to separate oceans, seas, gulfs, or endorheic basins. There are six generally recognized hydro-logical continental divides which divide the continent into seven principal drainage basins spanning three oceans ( Arctic , Atlantic and Pacific ) and one endorheic basin.
A component of the Chicago Area Waterway System, it connects the Little Calumet River at its eastern end to the Chicago Sanitary and Ship Canal at its western end. The Cal-Sag Channel is utilized for inland shipping , recreational boating and drainage purposes in what was an active zone of heavy industry in the Far Southeast Side neighborhoods ...
AGC represents over 6,500 of America’s general contractors, and over 9,000 specialty-contracting firms. More than 10,500 service providers and suppliers are also associated with AGC, through a nationwide network of chapters. [1]
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