Construction Document Notes

WATER PRESSURE. Water is heavy and requires a great deal of pressure to lift it. The pressure of 1 PSI can lift a column of 2.3 ft. in other words also 0.433 psi can lift 1ft of water. PSI pressure per square inch. STATIC HEAD is the pressure required to push water vertically, or the inches or feet of water that can be supported by a given pressure ................
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