Operational performance of siphonic roof drainage systems

Scott Arthur, Grant Wright, John Swaffield

    Research output: Contribution to journalArticlepeer-review

    17 Citations (Scopus)


    Siphonic roof drainage systems have been in existence for approximately 30 years, and are becoming an increasingly common element of urban drainage infrastructure. In that time, only limited data have been published relating to their performance, and what does exist relates to laboratory test facilities. This text focuses on the analysis of a large data set obtained from installed siphonic roof drainage systems. Particular attention is given to the ability of the studied systems to prime and meet self-cleansing criteria during sub-design criteria events with return periods of less than one year. Conclusions are drawn regarding the performance characteristics of multi-outlet siphonic roof drainage systems, and plans for future work are outlined. © 2004 Elsevier Ltd. All rights reserved.

    Original languageEnglish
    Pages (from-to)788-796
    Number of pages9
    JournalBuilding and Environment
    Issue number6
    Publication statusPublished - Jun 2005


    • Installed systems
    • Multi-outlet
    • Siphonic roof drainage


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