Ahmedabad: The Ahmedabad Municipal Corporation’s water and sewage committee on Thursday approved a Rs 18.95 crore proposal for the construction of a storm water pumping station near Ratna Lake. Ahmedabad proposes Rs 18.95 crore stormwater pumping station for Bopal-Ghuma, Rs 17 crore drainage rehabilitation in Bodakdev, and a Rs 411.50 crore STP.