Underground rainwater harvesting system in Zimbali

Use-rainwater recently installed 12000 liter underground rainwater system in an Zimbali Estate in Ballito

Rainwater system for dutban household after 5 years

A past client of our company recently contacted us to share some data with us. In 2011 the client started experimenting with rainwater harvesting, collecting rainwater of 150sqm of roof on the one side of his house. The client became convinced that it is a viable option and contacted our company to come and install one of our Deluxe rainwater harvesting systems. At that point in time the client had already procured some components and tanks.

UPDATE - Our client contacted us in Jan 2017 and mentioned to use that they have now harvested 690 000l of water since we installed the rainwater harvesting system at his house

They have also done a few upgrades. To extend the life of the cartridge filters they have installed a sand filter prior to the cartridge filters. They also installed pump cover after they replaced the pressure tank with a Global water solutions pressure tank and pressure controller. They have also installed a graywater system to flush all the toilets thus furthering reducing their consumption of the rainwater

Use Rainwater  exhibited at the Lifestyle EXPO at Hutchinson Park in Amanzimtoti.  For the exhibit they have built a small rainwater harvesting unit to explain to, and educate the public how small household rainwater systems work.

It was a great attraction for many visitors, many of them inquiring about installing their own rainwater harvesting systems.

Rainwater harvesting system for indoor tennis court

Use-Rainwater designed and installed a potable rainwater harvesting system for a tennis academy in Durban. The design required a 40000l rainwater harvesting system instead of installing a 15000l soak pit as was required by the Durban Metro.Tennis Plus is the first Tennis academy in South Africa that has built a private indoor tennis court. The court is covered by approximately 660sqm of corrugated roof.

One of our domestic clients recently indicated to us that he had harvested 163 000 litres of water over a 12 month period. His house is situated in Durban and we installed a small deluxe system with two 5000l water tanks recovering water of a 150 square meter roof.
It was calculated that he had saved approximately R4500 in water and sewerage charges over this period. By utilising the rainwater he had reduced his monthly consumption and because the EThekwini Metro has a sliding tariff for water (rate per litre of water is higher if you use more), his net water cost reduced significantly.
During the past year there were 2 major water interruptions in his area and in both instances his household had water available in the tanks over those periods
System installation cost was R29000 – thus a straight-line payback of 6.4 years. If you have take into consideration that water price increase will be 3% higher than inflation in the next 10 years the system will pay it back over approximately 5.8 years.

 

 

 

 

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