Roof Water Harvesting System

Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof.

Roof water harvesting system.

Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use. Rainwater harvest calculator length. 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. And every touchpoint of the rainwater is very important in the process to maintain quality water.

The most common rainwater catchment system is a roof. In hilly terrains rain water harvesting is preferred 10. There s just a short list of rooftop surfaces that rainwater harvesters should avoid. Greenhouse roof has the highest collection efficiency most surfaces are a ok.

Rooftop rain water harvesting systems are easy to construct operate and maintain 9. To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches. The rooftop is the first step in the rainwater harvesting system. Traditionally this involves harvesting the rain from a roof.

Pre filtration reduces the am ount of debris in. So to answer the question of does roof type matter. 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. The gutters were designed using the rational and mannings formulas.

Rainwater harvesting systems are simple which can be adopted by individuals 8. In saline or coastal areas rain water provides good quality water and when recharged to ground water it reduces. 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. While metal roofing or plastic sheeting e g.

Design of the storage tanks was based on the mass curve analysis. Identified the w isy 4 step system as the ideal m ethod for rainwater harvesting. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel. The efficiency and the quality of the water collected depends on the effective roof area and the materials that the roof is constructed of.