Stormwater harvesting for residential and non-residential reuse is an important and crucial aspect to reduce freshwater demand to address climate change, population growth and urbanisation challenges. It is important that freshwater be conserved as much as possible through capturing rainwater and stormwater and using these resources for fit for purpose end uses such as irrigation of public open parks and residential non-potable end uses. The paper describes a methodology for the planning and design of a stormwater harvesting system for park irrigation. The application of suitable models for storage tank capacity and pipe sizing considering peak flows are described. The application of the approach is demonstrated with a local case study for the benefit of wider water professionals engaged in water-sensitive urban design.

为住宅和非住宅再利用收集雨水是减少淡水需求以应对气候变化，人口增长和城市化挑战的重要和关键方面。重要的是，应通过收集雨水和雨水并将这些资源用于最终用途，例如公共露天公园的灌溉和居民非饮用水的最终用途，来尽可能地保护淡水。本文介绍了用于公园灌溉的雨水收集系统的规划和设计方法。描述了考虑峰值流量的储罐容量和管道尺寸的合适模型的应用。本地案例研究证明了该方法的应用，从而使从事水敏感型城市设计的水务专业人士受益。