WebFor example, a 3 inch per hour rainfall will build up to a 3 inch depth on a flat roof in one hour, at the rate of 1.87 gallons per hour/sq. ft. or .0312 gallons per minute/sq. ft. (See Figure 7). Using a 10,000 sq. ft. roof area, the 3 inch rainfall will produce 18,700 gallons in one hour at the rate of 312 gallons per minute. See the following. WebIf you get about 10-inches of rain over the course of the spring and summer, an average, 1,360-square-foot roof would yield 8,160 gallons of rainwater. ... Just a half inch of rain falling on a 1,000-square-foot roof will yield 300 gallons of water. To get an idea how much water the roof of your own house might yield, use the Rainfall Harvest ...
How To Calculate Precipitation Rate Sprinkler School
WebRelated Topics . Sanitary Drainage Systems - The purpose of the sanitary drainage system is to remove effluent discharged from plumbing fixtures and other equipment.; Related Documents . Horizontal Storm Drain Piping - Capacities of horizontal storm drain piping systems.; Rainfall Draining of Roof Areas and Vertical Downspouts - Capacities of vertical … WebDec 7, 2009 · Here is my take: 1 gallon of water equals 231 cubic inches 1 square foot, 1 inch tall equals 144 cubic inches (12"x12"X1") 1 square foot needs 0.624 gallons to equal … great restaurants in cape town
Historic downpour in Fort Lauderdale dropped 88 billion gallons of rain
WebAn inch of rainfall on a square foot of surface area yields .623 gallons. So, multiply .623 gallons by the number of surface square feet of your roof. In our example it would be .623 x 2,000, which equals 1,246. So for each inch of rainfall, … WebMethod A: : Use FEET (for areas such as your yard). Method B: Use ACRES (for larger areas, a farm, city block). Method C: Use SQUARE MILES (for large areas). Select one or more … WebFor example, one inch of rainfall on a roof that is 20 feet by 20 feet can provide 220 gallons of rainwater. The list below sets out the formula for calculating rainwater harvests. A = … great restaurants in buffalo ny