Transcription of Guidelines on Construction & Maintenance of Borewells and ...
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Guidelines on Construction & Maintenance of Borewells and ...
G O V E R NME NT O F IN DIA Hkkjr ljdkj MINIS T R Y O F R A IL WA Y S jsy ea=ky; Guidelines on Construction & Maintenance of Borewells and Tubewells Report No. : WKS-01-2014 January ,2014 Works Directorate dk;Z funs kky; Research Designs And Standards Organisation, Lucknow 226011 vuqla/kku vfHkdYi vkSj ekud laxBu y[ku 226011 FOR OFFICIAL USE ONLY PREFACE The subject, Construction and Maintenance of Borewells and tubewells is of considerable importance to the field officials who are engaged in this aspects of work of the civil engineering department. It is the responsibility of Civil Engineering Department to arrange adequate supply of water of acceptable quality to Railway premises.]
aquifer. A water table aquifer is an example of an unconfined aquifer. A confined aquifer is trapped below an upper confining layer of rock, clay or shale. When a well is drilled into a confined aquifer, the water level in the well rises above the upper boundary of the aquifer.
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