Rainwater Seepage and Its Utilisation Basic planning theory and construction methods . Planning and construction of rainwater seepage and utilisation facilities . Calculation formulae and examples . Explanation of legislation and regulations Written with garden and landscape architects in mind, and indeed all those working in the planning and construction departments of municipalities, environmental agencies and water authorities, this informative compendium shows how to plan with rainwater from an urban planning, environmentally relevant, design-oriented and economic perspective.