Water Audit ( 1 )
October 2012:
- 6 taps in girls toilet (push taps)- ½ litre each
- 2 taps in boys toilet(push taps)- no waste
No leaks observed.
- Girls toilets 8 litres per flush – 8 toilets
- Boys toilets 8 litres per flush- 3 toilets
- Teachers toilets 8 litres per flush – 4 toilets
Outcome:
- Place 500ml plastic bottles in each toilet cistern ( 15 toilets)
Water Audit ( 2 )
Overnight Test
12/12/2012 @8:50am ———–2,796,395 litres
11/12/2012 @3:45pm ———–2,796,095 litres
———————–
300 litres
———————–
Analysis
- The caretaker flushes all the toilets after 4pm when the school day is over.
Weekend Test
25/02/2013 @9.05am ————2,847,810 litres
22/02/2013 @3:35pm ————2,844,920 litres
———————-
2,890 litres
———————-
Analysis
- The caretaker flushes all the toilets on Friday evening.
- The water in the urinals is kept on at the weekends to keep the sewerage system flowing to prevent congestion and a blockage which can lead to a bad odor and requires unblocking.
Weekend Water Usage
Toilets flushed on Friday evenings —————-300 litres (approx.)
Total hours at weekend:
Friday———8 hours
Saturday——24 hours
Sunday——–24 hours
Monday——-9 hours
————-
65 hours
————-
2 Urinals flush through 12 litres each every 40 mins
=24 litres/40 mins
65×60=3900mins/40=97.5 times
97.5x24litres=2,340 litres ————2,340 litres
—————–
2,640 litres
—————–
School Holiday Tests
18/02/2013 @9.05am————————–2,842,834
8/02/2013 @3.15pm————————–2,839,874
———————-
2,960 litres
———————-
Analysis
- Urinals are turned down over the week off as there do be people in the school over the break.
- Both urinals are turned off during the summer holidays.
- A reading will be conducted when the school closes in summer and again when school starts back in late August.
CONCLUSION
No leaks observed as a result of the overnight, weekend and school holiday test.