spike test

A short-duration pressure testA procedure performed to verify the integrity, strength, and leak-tightness of a system or component that is designed to contain fluids or gases under pressure.… wherein the pressure level is higher than the strength testMethod of proving the ability of a piece of pipe or equipment to safely operate at its intended pressure by subjecting it to an elevated pressure in accordance …, the purpose of which is to achieve an increased level of confidence in the serviceability of the pipeline or an increased interval until the next assessment.