External/ Internal Fire Hydrant System is an above-ground connection that provides access to a water supply for the purpose of fighting fires. External Fire Hydrant System is designed in such a way that where the hydrants are installed in the open, like the city or town water mains, or hydrant systems installed in the open areas in industrial or such other occupancies. Internal Fire Hydrant System is installed in buildings or structures to be protected. External/ Internal Fire Hydrant System is installed of pipes, water tanks, pumps, hydrant outlets and hose reels.