Show largest water tank the water supply etem system of 0 calcut ta includes include the largest water tank in the world it covers an area ot of two and one third acres acre and the total weight when it to I 1 full all of water to in 72 tons ton there are 33 32 miles all ol of steel lott la in the vertical columns colum nii stud and bracing and la in the foundations SO 20 miles or 0 tl steel foists joists and tie bars ban the capacity of the tha tank talc Is ii gallons ailon or 0 water the th tank acts acta as a a balancer balan ctr and to atit assist the pumps when they cannot send end clout weter water into th the mains to meet the demaud during the night hours houra when the pumps pump provide niora more water than li in required the icer excess quantity goes into the tank when the demand Is I 1 greater U eater the water from the tank flows flow automatically into the main |