Roof Water Harvesting System

The rooftop is the first step in the rainwater harvesting system.

Roof water harvesting system.

Traditionally this involves harvesting the rain from a roof. The efficiency and the quality of the water collected depends on the effective roof area and the materials that the roof is constructed of. The rwh system that was used in the research for the pilot system was the roof harvesting system his comprised a collection surface roof guttering storage tanks and first flush. There s just a short list of rooftop surfaces that rainwater harvesters should avoid.

Design of the storage tanks was based on the mass curve analysis. Pre filtration reduces the am ount of debris in. The most common rainwater catchment system is a roof. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.

This m ethod provides the best pre tank filtration by way of the w isy vortex filter which is regarded internationally as the best pre filtration m ethod. To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches. Typically this is the roof of the building where the water will be used though it may be a separate building designed expressly for rainwater. In the case of a rooftop rainwater harvesting system the roof of a house or of another building serves as the rainwater collection area.

While metal roofing or plastic sheeting e g. Rainwater harvesting systems are simple which can be adopted by individuals 8. Certain roof types will cause a rainwater harvesting system to fail. Greenhouse roof has the highest collection efficiency most surfaces are a ok.

So to answer the question of does roof type matter. Identified the w isy 4 step system as the ideal m ethod for rainwater harvesting. In saline or coastal areas rain water provides good quality water and when recharged to ground water it reduces. Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.

Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use. Rooftop rain water harvesting systems are easy to construct operate and maintain 9. In hilly terrains rain water harvesting is preferred 10. Rainwater harvest calculator length.