Gravity Tank 2 : An Aboveground water storage tank for fire protection and water service. A water level of 100 feet provides a static pressure head of 43.3 psi minus friction loss in piping when water is flowing
Tatyana Davletshina, Industrial Fire Safety Guidebook, Noyes Publications, New Jersey 07675, USA 1998. http://www.aura-o.aura-astronomy.org/aura/sites/de fault/files/files/Referencia_Bibliografica/industr ial%20fire%20protection%20handbook.pdf, (IndFrS - Amer) {470}