DESIGN FOR CHANGE 2018 – Study hall Blue Brigade water saving project


Water usageIn flushingIn             (Litres). FOR EACH CISTERN FOR 1 CISTERN IN 1 DAY (assuming 10 flushes per day) FOR 43 CISTERNS 10 flushes each per day. WATER FLUSHED BY 43 CISTERNS (excluding Sundays/26 days) Percentage of water savedPer month
Before installingWater saving device.







After installing the water saving device.






Water saved(litres) PER CISTERN PER CISTERN A DAY(10 flushes per day) 43 cisterns (per day) 1 MONTH PER MONTH
  2 20 860 22,360 20 %


The table above shows the amount of water saved by our team   in one month

In this project we inserted bottles filled with pebbles and sand in the cisterns of our school. It uses the displacement method, by which less water is flushed, which is saving around 2O% of water usage.  Within three months only we saved approx. 67,080 litres of water.  By this method we are not only preventing water wastage but also reducing the water carbon footprint.

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