Now showing items 1-6 of 6

  • Gross solid transport in sewers 

    Butler, David; Davies, John; Jefferies, Christopher; Schütze, M. (Thomas Telford, 2003-06)
    Gross solid transport in sewers has been studied in the laboratory, by theoretical analysis, and in the field. A simplified model is proposed that can be run as an extension of existing sewer software packages (for example ...
  • Gross solids transport and degradation 

    Davies, John; Butler, David; Small, J. L.; Sekuloski, V.; Jefferies, Christopher (IWA Publishing, 1998)
    The paper describes the first stages of a study of the origin, transport, and fate of sewer gross solids. The background to the project, its overall plan, and relevant previous studies are outlined. Progress to-date is ...
  • Making asset investment decisions for wastewater systems that include sustainability 

    Ashley, Richard; Blackwood, David J.; Butler, David; Jowitt, Paul; Davies, John; Smith, Heidi; Gilmour, Daniel J.; Oltean-Dumbrava, Crina (American Society of Civil Engineers, 2008-03)
    Effective integrated water management is a key component of the World Water Vision and the way in which aspirations for water equity may be realized. Part of the vision includes the promotion of sustainability of water ...
  • Sustainable decision making for the UK water industry 

    Ashley, Richard; Blackwood, David J.; Butler, David; Davies, John; Jowitt, Paul; Smith, Heidi (Thomas Telford, 2003-03)
    Sustainable development serves as a comprehensive framework for the formation of policies and actions that integrate environmental, economic, and social issues. It recognises that the Earth's natural systems are not only ...
  • Sustainable disposal of domestic sanitary waste 

    Ashley, Richard; Blackwood, David J.; Souter, Nicki; Hendry, Sarah; Moir, James; Dunkerley, Judith; Davies, John; Butler, David; Cook, Andrew; Conlin, Jim; Squibbs, Martin; Britton, Andrew; Goldie, Peter (American Society of Civil Engineers, 2005-02)
    The study presented is an example of the assessment of the relative sustainability of either option for disposal of domestic sanitary waste, either via the toilet or via the solid waste route. This required an evaluation ...
  • SWARD: decision support processes for the UK water industry 

    Butler, David; Jowitt, Paul; Ashley, Richard; Blackwood, David J.; Davies, John; Oltean-Dumbrava, C.; McIlkenny, G.; Foxon, T. J.; Gilmour, Daniel J.; Smith, Heidi; Cavill, S.; Leach, M.; Pearson, P.; Gouda, H.; Samson, W.; Souter, Nicki; Hendry, Sarah; Moir, James; Bouchart, Francois J.-C. (Emerald, 2003)
    In industrialised countries water service providers (WSPs) must provide an appropriate level of service with an acceptable performance at an acceptable cost to customers. In the UK a move towards sustainable development ...