NWIS Hydrostatic Burst November 21, 2014 Fri, 2017-09-29 09:33 — sli0701948 NWIS Hydrostatic Burst November 21, 2014 Video of NWIS Hydrostatic Burst November 21, 2014 Hydrostatic Testing of Pipe in School Burst Chamber on November 21, 2014. Start slow. 3.235295 Average: 3.2 (17 votes)