There is a 55 gallon plastic garbage can with 2 ft diameter and 2.34 ft tall wit

Question

There is a 55 gallon plastic garbage can with 2 ft diameter and 2.34 ft tall with a water outlet at the base of the side of the can consisting of a 3/4 inch gate valve. The can is on a pedestal 1.5 ft tall and the can is to deposit water to a garden 50 ft away using a 75 ft long hose (the ground is level between the catchment system and the garden). The flow rate required is 8 gallons per minute and there is no fitting at the garden end of the hose and the tank is half full. What standard size hose diameter is to be used? what pump water power is necessary? Is a manual pump possible?

Explanation / Answer

Just what it sounds like. It "catches" water and funnels it into one location. This can be artificial like a home's rainwater catchment system. It can be very natural as a watershed, which collects water from a system of streams and rivers which are fed by precipitation of rain or snowmelt and funnels it into eventually a large river and on into a lake, ocean (or artificial reservoir). Watershed: The surface area that contributes water to the catchment Catchment: The tank, lake, pond, reservoir, etc that water from the Watershed collects in. Rainfall rate: Rain in length/time = cm/hr (example) Watershed Area: The area in square units of the Watershed Flow: Watershed Area * Rainfall Rate (In consistent units) Collection System: Set of pipes or ditches that carries water from the Watershed to the Catchment Main Principle: Water Runs Downhill ====> Entire Collection system slopes to the Catchment

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