DRAINAGE

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BALCONYTV.COM 26/10/2006
PRESENTED BY TOM MILLETT
Drainage is the natural or artificial removal of surface and sub-surface water from a given area. The earliest archaeological record of an advanced system of drainage comes from the Indus Valley Civilization from around 3100 BC in what is now Pakistan and North India. The ancient Indus systems of sewerage and drainage that were developed and used in cities throughout the civilization were far more advanced than any found in contemporary urban sites in the Middle East and even more efficient than those in some areas of modern Pakistan and India today. All houses in the major cities of Harappa and Mohenjo-daro had access to water and drainage facilities. Waste water was directed to covered drains, which lined the major streets.
The civil engineer or site engineer is responsible for drainage in construction projects. They set out from the plans all the roads, drainage, culverts and sewers involved in construction operations. During the construction of the work on site he/she will set out all the necessary levels for each of the previously mentioned factors.
Site engineers work alongside architects and construction managers, supervisors, planners, quantity surveyors, the general workforce, as well as subcontractors.

http://en.wikipedia.org/wiki/Drainage

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