Urban Drainage Author:David Butler, John W. Davies The book covers the purpose, design, construction and managemnet of sewer systems, as well as their environmental impact. It is structured to provide an overview, engineering principles and analysis for each topic. In recent years there has been a resurgence of interest in the subject as sewer systems designed over a century ago are simply unabl... more »e to cope with the demands placed on them. The 1990s have seen attention turn to the issue of environmental pollution. The book deals with both the design of new systems, and the upgrading of existing ones.« less