An insight into arterial drainage.

Abstract

The author traces the development of arterial drainage policy from the mid 1800s. The process involved in modern drainage, beginning with a survey of the channel required to drain a designated area of land by OPW engineers, is described. In the next stage all the relevant survey data is plotted on squared paper. The design procedure, and the measures which need to be taken to estimate the design flood level are then explained. The final stage involves examining all the channels surveyed and deciding which are to included in the scheme...