tender for charges for restivity survey , providing clay seal of thikness 4.0mm , providing and fixing ms base plate , providing and fixing of service cable aluminium 25sqmm 4 core , inspection of tubewell with geo scanning borehole camera with display and data recorder to find out the fault and submission of suggestions regarding rectification of same to obtain the sand free water at site including transportation, lodging, and boarding. detailed analysis with videography and submission of report, video and also verifying the depth/ position of assembly complete in all respect to the satisfaction of engineer-in-charge. , development of tubewell by over-pumping unit having suitable submersible pump for development of tubewell to ensure sand free discharge. all the equipment including pol and labour required for carrying out pumping tests but not limited to the following shall be arranged by the contractor at his own cost complete in all respect to the satisfaction of engineer-in-charge: i) a suitable pump and prime mover (since power is not available at the well site). ii) measuring devices for time, discharge and v-notch orifice method water level recorder (digital water meter recorder/ steel tape engraved). iii) the contractor shall collected water sample in the presence of sde/je. this water samples should be handed over to phed for further chemical analysis in public health lab , hsr itmes