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Union Stock Yards, Chicago, 1947. The Union Stock Yard & Transit Co., or The Yards, was the meatpacking district in Chicago for more than a century, starting in 1865. The district was operated by a group of railroad companies that acquired marshland and turned it into a centralized processing area. By the 1890s, the railroad capital behind the ...
A conveyor system is a common piece of mechanical handling equipment that moves materials from one location to another. Conveyors are especially useful in applications involving the transport of heavy or bulky materials. Conveyor systems allow quick and efficient transport for a wide variety of materials, which make them very popular in the ...
Each railroad car was 32 feet (9.8 m) long with high, slatted sides to hold 12 cords of pulpwood. Three diesel-powered conveyors were built to lift pulpwood logs from Eagle Lake to a height of 25 feet (7.6 m) over a distance of 225 feet (69 m). Each conveyor could fill a railroad car in 18 minutes. [4]
Value-stream mapping, also known as material- and information-flow mapping, [ 1] is a lean [ 2] -management method for analyzing the current state and designing a future state for the series of events that take a product or service from the beginning of the specific process until it reaches the customer. A value stream map is a visual [ 2] tool ...
Merchandise Mart. / 41.8884; -87.6355. The Merchandise Mart (or the Merch Mart, or the Mart) is a commercial building located in downtown Chicago, Illinois. When it was opened in 1930, it was the largest building in the world, with 4 million square feet (372,000 m 2) of floor space. [ 1][ 2] The Art Deco structure is located at the junction of ...
Chain conveyors use an endless chain both to transmit power and to propel material through a trough, either pushed directly by the chain or by attachments to the chain. The chain runs over sprockets at either end of the trough. Chain conveyors are used to move material up to 90 metres (300 ft), and typically under 30 metres (98 ft).
The Central Manufacturing District of Chicago is a 265-acre (1.07 km 2) area [1] of the city in which private decision makers planned the structure of the district and its internal regulation, including the provision of vital services ordinarily considered to be outside the scope of private enterprise. [2]
A map of the 77 community areas, broken down by region. The city of Chicago is divided into 77 community areas for statistical and planning purposes. Census data and other statistics are tied to the areas, which serve as the basis for a variety of urban planning initiatives on both the local and regional levels.