Test, Hydrostatic : A test of a closed piping system and its attached appurtenances consisting of subjecting the piping to an increased internal pressure for a specified period of duration to verify system integrity and leak rates
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}