Integrated CAD package for storm-water drainage networks

Kwok Wing Chau

Research output: Journal article publicationJournal articleAcademic researchpeer-review

2 Citations (Scopus)


This technical note presents the development of a computer-aided design (CAD) and drafting package (DRAINAGE) for medium-sized municipal storm-water drainage systems. The numerical model, which is designed for use on IBM/PC or compatible microcomputers, is written in PASCAL language. The computer package for flow prediction and drainage design applies the Colebrook equation and the rational method to route pipe flows through tree-type drainage networks, automatically adjusting drainage pipe diameters to fulfill flow requirements and backwater effects. The program outputs are written as DXF files, which can be read and displayed readily as drawings of drainage layout plans and longitudinal profiles in an AUTOCAD environment. DRAINAGE replaces the time-consuming conventional method for designing storm-water drainage networks.
Original languageEnglish
Pages (from-to)336-339
Number of pages4
JournalJournal of Water Resources Planning and Management
Issue number4
Publication statusPublished - 1 Jan 1995

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Management, Monitoring, Policy and Law
  • Water Science and Technology
  • Geography, Planning and Development
  • General Engineering


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