The Influence of Engineering Software for the Design and Analysis of Urban Storm Drainage

  • Roland K. Price
Conference paper


The national capital investment in sewerage has been estimated as being in excess of £42 billion [4]. With an average number of sewer collapses of 16/100 km per year and a total length of sewers the order of 234000 km a large cost is being born by the nation in maintaining existing sewers. Nationally the annual expenditure on sewers is of the order of £200m of which £70m is spent on structural deficiencies and £l20m on problems due to lack of capacity. Because many of our sewers are more than 50 years old the problem of maintaining existing sewers is increasing. Consequently considerable research investment has been made into sewer rehabilitation techniques leading to the publication of a manual by the Water Research Centre [6]. Two key phases of the procedure recommended in the manual involve the assessment and remedy of structural and hydraulic deficiencies in a sewer system. Integral to the hydraulic assessment is the ability of the engineer to study the performance of a given system in fulfilling its designed intention to convey sewage economically and efficiently to its intended destination.


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  1. 1.
    Hydraulics Research (1984) MicroWASSP User Guide, HR, Wallingford, Oxon, U.K.Google Scholar
  2. 2.
    National Water Council (1981) Design and Analysis of Urban Storm Drainage. The Wallingford Procedure — in five volumes. National Water Council, London (available from Hydraulics Research, Wallingford, Oxon, U.K.)Google Scholar
  3. 3.
    Obene D M (1984) Expert systems in civil engineering. Thesis in part fulfilment of requirement for degree of MSc in Structural Engineering of the University of Surrey.Google Scholar
  4. 4.
    Reed E C (1982). The assessment of the problem in the U.K. Proc. ICE Int. Conf. on Restoration of Sewerage Systems Paper 1, pp 3–82, Thomas Telford Ltd, London.Google Scholar
  5. 5.
    Transport and Road Research Laboratory (1963). A guide for engineers to the design of storm sewer systems, Road Note 35 (second edition 1976).Google Scholar
  6. 6.
    Water Research Centre (1984). Sewerage Rehabilitation Manual, WRC.Google Scholar
  7. 7.
    Working Party on the Hydraulic Design of Storm Sewers (1976). A review of progress March 1974 – June 1975, National Water Council, London.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1985

Authors and Affiliations

  • Roland K. Price
    • 1
  1. 1.Hydraulics ResearchWallingford, OxonUK

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