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locating open wells successfully in hard rock, granite terrain
Автор: Nature, Music and Environment
Загружено: 2022-09-10
Просмотров: 547
Описание: resistivity survey followed by test bore will avoid failure sue to poor yield in open wells, the well should lie in recharge zone and highly weathered zone as well. very low resistivity values with falling trend are favourable for locating dug wells. put a test bore to 150 ft check water level and rock samples to 40 ft depth. if water level is less than 25 ft to 30 ft then well can be constructed around the test bore. this will make well is g9ving required yield
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