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Based on the lithological formation and aquifer properties of the lametas, a recharging system is proposed. A schematic diagram of the proposed method is elaborated in the sketch attached at FIGURE C. As can be seen the rainwater incident on the rooftops will be systematically diverted towards a RECHARGING TROUGH TRENCH. This recharging trench would act as a medium to divert the rainwater for recharging the aquifer. The proposed dimension of the trench is designed to accommodate the rainfall incident on the rooftop of the Udyog Bhavan building as estimated in earlier paragraph. The proposed sump will be connected to the dug well. This sump will also be connected to the existing overhead tank from where the water distribution network in all over the building is already established. The overflow from the sump will be sent for recharging. In this method a pit of (3mx3mx2m) dimension will be constructed and it is connected with approved WATIN filter, which filters the water before recharging the aquifer. This filter is to be located near the dug well so that all the filtered water may be allowed to pass into this well. A sedimentation /settling sump is also advisable near the filter in order to arrest all the silt and clay deposited on the rooftop, pipelines etc. |
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