Lesson Plan 18
Time: 60 min
Title: Filter Installation
Learning Expectations:
1. Explain the importance of a properly installed filter
2. Properly install a filter
3. Test the flow rate
Materials Required:
 3 litres of washed ½ “ gravel (approx.)
 3 ¼ litres of washed ¼ “ gravel
(approx.)
 25 litres of washed sand
 Container with 1L mark
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A stick
Measuring tape
Buckets
Watch/ Clock
Water and sand
Topics and Key Points
1. Introduction to Installation
 Importance of the sand media
 Review instructions in manual
 Transporting the filter
 Placing the filter
Learning Strategies
PPT
(Day
4-1)
Time
(min)
10
2. Place the media
 Follow the instructions in the manual
 Flush the filter
25
3. Test the flow rate
 Approx. 0.6 L/min
 If the flow rate is fast = sand too clean
 If the flow rate is slow = sand too dirty
 Reinstall media if necessary to achieve a better flow
rate
 Important to test the flow rate after each installation
10
4. Disinfect the spout
 Disinfect the spout or describe how it is done
10
5. Review
5
Reflection: