Entwässerungsplan

An Entwässerungsplan, or drainage plan, is a crucial document in construction and urban planning. It outlines how surface and subsurface water will be managed and conveyed away from a site. The primary goal is to prevent water accumulation, which can lead to structural damage, erosion, flooding, and environmental contamination.

The plan typically details the existing drainage conditions and proposes modifications to accommodate the proposed development. This includes identifying sources of water, such as rainfall, groundwater, and potentially wastewater. It specifies the types of drainage systems to be installed, which can include surface drains like ditches and swales, and underground systems like storm sewers, perforated pipes, and infiltration basins.

Key components of an Entwässerungsplan often include calculations for runoff volumes based on anticipated rainfall intensity and the imperviousness of the developed area. It also specifies the gradients and capacities of proposed drainage channels and pipes to ensure efficient water flow. Furthermore, the plan addresses the disposal or treatment of collected water, considering environmental regulations and the capacity of existing municipal systems or natural water bodies.

Properly designed and implemented drainage plans are essential for maintaining the integrity of infrastructure, protecting public health and safety, and preserving the surrounding environment. They are often a mandatory requirement for obtaining building permits and are developed by qualified engineers or landscape architects.