USEFUL SITES Reference Building Regulations (Drainage & Waste Disposal) Calculators for Engineers DEFRA Water abstraction license Associations, Councils, Societies & Trade Bodies Association of Consulting Engineers British Pump Manufacturers Association Chartered Institution of Water and Environmental Management Chartered Management Institute CIBSE CHP Panel Website (combined heat & power) Construction Industry Board Consumer Council for Water Engineering Council European Pump Manufacturer's Association Fountain Society Health and Safety Executive Heating and Ventilating Contractors Association Institute of Mechanical Engineers Institute of Plumbing