Coarse screening systems need to be able to handle anything, in a wide variety of water and wastewater applications. From drainage canal trash to storm sewer debris, coarse screens need to be designed and manufactured with a high degree of durability to avoid costly repair of grid, track and drive systems.
The Chicago L (short for elevated) is the rapid transit system serving the city of Chicago and some of its surrounding suburbs in the U.S. state of Illinois. It is operated by the Chicago Transit Authority (CTA). It is the fourth largest rapid transit system in the United States in terms of total route length, at 102.8 miles (165.4 km) long, and the third busiest rail mass transit system in the United States after the New York City Subway and Washington Metro.
As of the 2010 census, there were 2,695,598 people with 1,045,560 households living in Chicago. More than half the population of the state of Illinois lives in the Chicago metropolitan area. Chicago is one of the United States' most densely populated major cities, and the largest city in the Great Lakes Megalopolis.