Surface drainage system is most important in Highway engineering. Pavement without proper drainage facilities will not serve for long time. Design of drains for roads and pavements are discussed.
Drains
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Drains and Sewers Terms Definitions
Drains and Sewers Terms Definitions Benching A surface at the base of an inspection chamber or manhole to confine the flow of sewage to avoid the accumulation of deposits and provide a safe working surface. The surface is sloped so ...