building-drainage system
31tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
32Daylighting (streams) — Here Marin Creek has been daylighted. For the use of natural light in indoor illumination, see Daylighting. For a similar operation with transportation tunnels, see Daylighting (tunnels). In urban design and urban planning, daylighting is the… …
33Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
34River Hull — River The tidal barrier at the mouth of the river …
35plumbing — /plum ing/, n. 1. the system of pipes and other apparatus for conveying water, liquid wastes, etc., as in a building. 2. the work or trade of a plumber. 3. act of a person who plumbs, as in ascertaining depth. [1660 70; PLUMB + ING1] * * * System …
36Rain garden — A rain garden is a planted depression that is designed to absorb rainwater runoff from impervious urban areas like roofs, driveways, walkways, and compacted lawn areas. This reduces rain runoff by allowing stormwater to soak into the ground (as… …
37West Virginia Prehistory — The area now known as West Virginia was a favorite hunting ground of numerous Native American peoples before the arrival of European settlers. Many ancient man made earthen mounds from various mound builder cultures survive, especially in the… …
38Mexico City — a city in and the capital of Mexico, in the central part. 8,906,000; ab. 7400 ft. (2255 m) above sea level. Official name, México, Distrito Federal /me hee kaw dees tree taw fe dhe rddahl /. * * * Spanish Ciudad de México City (pop., 2000: city,… …
39South America — South American. a continent in the S part of the Western Hemisphere. 271,000,000; ab. 6,900,000 sq. mi. (17,871,000 sq. km). * * * Continent, Western Hemisphere. The world s fourth largest continent, it is bounded by the Caribbean Sea to the… …
40Principles of Intelligent Urbanism — (PIU) is a theory of urban planning composed of a set of ten axioms intended to guide the formulation of city plans and urban designs. They are intended to reconcile and integrate diverse urban planning and management concerns. These axioms… …
