R&R Services - 1 Stop Solution

Yield Testing

The driller normally provides the client with a blow yield. This yield is often mistakenly used as the sustainable yield of the borehole, resulting in the incorrectly sized pump being installed into the borehole. The process to calculate sustainable yield is by methods of calculating the quantity of borehole water being pumped during a duration of 1-4 hours - in same cases a 6-hour yield may be requested

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