First convert all your measurents into inches 600in, 480in,18in then multiply them to get 5184000 cubic inches, convert cubic inches to gallons and you have 22441US gal lqd divide 22441 by 1000 and it will take you 22.441 hours
22.35 hours ;
The basement contains approximately 22,440 gallons of water. A pump that moves 1000 gallons per hour will take about 22.44 hours to remove all the water. Therefore, the total time needed for pumping is around 22.44 hours.
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