Pressure, Static Pressure : The pressure that exists at a given point under normal distribution system conditions measured at the residual hydrant with no hydrants flowing
NFPA 24 Standard for the Installation of Private Fire Service Mains and Their Appurtenances, 2007 ed. http://pleasantprairieonline.com/services/fireandr escue/documents/24-13A-PDF.pdf, (Std: Instll of Prvt Fr Srvc Mains and Their Appurtenances - Amer) {190 NFC}