bids are invited for rainwater harvesting system with borewell recharge arrangement at hptti grd filters - refer annexure iv schedule of quantity , diversion of overflow arrangement - refer annexure iv schedule of quantity , excavation - refer annexure iv schedule of quantity , piping and fitting - refer annexure iv schedule of quantity , supply of diversion of overflow - refer annexure iv schedule of quantity , construction of recharge pit - refer annexure iv schedule of quantity , supply and installation of end cap - refer annexure iv schedule of quantity , drilling of borewell - refer annexure iv schedule of quantity , installation of rainwater harvesting system - refer annexure iv schedule of quantity total quantity : 567