Need advice on installing stilt pipes in Marathalli, Bangalore, Karnataka

15 days back - I had a borewell drilled in location - Kundanahalli gate - Marathalli -Bangalore. Three attempts were made, and the drilling was successful in the fourth attempt.

The yield report sates as follows:

1st Source  -     240feet
2nd Source -     260feet
3rd Source  -     280feet.

According to the driller: It is 1.5 inch water.  From 300 to 600 feet Wet conditions, 600 to 800 feet is Powder,  from 800 to 845 feet - full wet.
Also mentioned  - from 200 to 300 feet - full loose, 250 to 300 feet -loose partly.
The borewell driller recommedns the use of slit pipe for 845 feet. Which will be quite expensive. Three pump technicians weighed in sayinh that the clearance was good, and a 5 HP submersible pump can be installed. This has left me in confusion regarding what I should proceed to do. Kindly advice on how to move forward.

P.Karthik
pisupati_karthik@yahoo.com

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