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Can someone provide a detail information on tube-well drilling techniques, designing and development?

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A good starting point will be that great old RedR manual "Engineering In Emergencies"

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You can buy this directly from RedR UK if you give us a call on +44 207840 6000, current price £29.95 + p&p, or find it on line on websites such as Amazon. Engineering in Emergencies: A Practical Guide for Relief Workers, by Jan Davis and Robert Lambert.

Harriette Purchas gravatar imageHarriette Purchas ( 2015-05-11 12:00:01 +0000 )edit

Hi Binaya

We have lots of information and publications on the RWSN website. The best place to start is the Code of Practice for Cost Effective Boreholes series:

To start, here is a new short video we have done on borehole siting:

The key publications are listed here:

The full library of resources relating to drilling is here:

And recordings of recent webinars on groundwater and drilling can be found here:

You will notice, however, there is a strong bias towards Sub-Saharan Africa, as this is where a lot the interest from our members and partners is focused.

(sorry that we are reorganising our website and it is a bit of a mess at the moment)

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The WaterAid website has some useful documents available as PDF downloads, link:-, that should be of help. Unfortunately a new Technical Brief on Tubewells is not yet available, but Section 7 of our older Technology Notes document has some useful details and references to other publications.

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Can u guide me how to make the apple jam Only with food additives.? I need the recipe of apple jam only with Food grade materials. It look taste like apple jam but not has apple, it's only ingredients of raw food additives. Like food color, apple flavor and water and etc... it produced at lower cost, it's edible Product. Used By food product manufacturers, as cake filling jam.

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