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< prev - next > Water and sanitation Rainwater harvesting domestic rainwater harvesting tank training maunal (Printable PDF)
34- Erect scaffolding - enter tank 35- Remove nuts at frames
36- Remove frames
37- Take frames outside tank
38- Prepare waterproof slurry
39- Smoothen inside with slurry
Fabricating the cover of the tank
?Form a ring with a mild steel flat to 3'- 0” diameter.
?Place a ¾ “ layer of cement 1:3 mix on a flat surface covered with a sheet of polythene. Place
two 6mm bars perpendicular to each other on the surface of the cement layer. Place a layer of
chicken mesh within the ring and attach a pre-formed metal handle to one of the cross bars.
Place a second layer of cement 1: 3 mix within the metal ring and allow the tank cover to cure.
?After curing, place the tank cover firmly over the mouth of the tank.
40- Place cement in MS ring 41- Place mesh & handle
42- Lay cement on mesh 43- Allow cover to cure
Fabricating and fixing the filter
?Take a standard empty plastic bucket (typically 2 litres bucket for paint) and pierce holes on the sides
and bottom with a heated rod as shown in the illustrations.
?Place a layer of washed pebbles at the bottom of the bucket
?Place a layer of charcoal on the layer of washed pebbles. Leave some space at the top of the bucket.
?Secure a net around the mouth of the bucket and place it inside the Ferro cement cylinder at the top of
the tank.
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