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Motor Selection & Installation - detailed query! - Yelahanka, Bangalore.

For my proposed house construction in 35x50 site, following borewell was drilled.

Borewell location : Yelahanka New Town, Bangalore North
Drilling time:25/08/2011

Depth of borewell : 412 feet
Depth of 2.5mm M,S 6.5 ” casing : 150 feet
Depth of 10" PVC Casing pipe: 94 feet.

Here is how the Yield Report looks


1.      Diameter of the Borewell                               : 6.5”

2.      Date of Drilling                                               : 25/08/2011

3.      Depth of Drilling                                            : 412 feet

4.      Casing Pipe Erected (2.5mm 6.5” MS)           : 150.5

5.      Yield at the time of drilling                            : 4” Water (25/08/2011)

6.      Collar &Cap                                                    : 10

7.      Yield

a.       Spring                                                  : ½”  Water @ 220 Feet

b.      Spring                                                  : Silt at 370 feet

c.       Spring                                                  : 3 ½”  Water @ 380 Feet

8.      Remarks                                                          : Light Boulders and Silt

The Borewell  is meant to be used during the house construction of 3 Floors (Ground, First and Second) structure , and then to supplement the Kaveri water (municipal supply) for a medium family of 10 members

Drilling went well,  we hit rock at (approx) 150 feet then hit water at 220 feet as mentioned above yield report , then the drilling was finally stopped at 412 feet when the driller said he cannot drill further as the water pressure is too much.


1.      I want to know which Motor/Pump is ideally suited for this?

2.      If it will be submersible type, what depth it should be installed at?

3.      Are there any precautions to be taken while installing the motor?

Thanks & Regards





1. I have gone ahead with a

I have gone ahead with a Kirloskar Pump KU4-0328 This has a Head of 580 Feet with 40LPM@128Mts


This is Installed at 350Feet depth using 1-1/4 Inch Mangalam HDPE Pipe, and 2.5sqmm Finolex Cable




2. 3/4'' water source with 1000 feet depth - Motor options?

In Malleshpalya, 2 months ago, we dug a bore of 1000 feet. The yield comes around 3/4 inches as first water source came at 720 feet and no change of rock till 1000 feet.

Now, do I need to go with camera to access the water source before going for the motor ? What would be specification of the motor is needed?



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