ENSURING TOP PERFORMANCE, QUALITY AND RELIABILITY SEE HYDRA REPORT Hydrodynamic Testing • ARS testing up to 42″ • Over 25,000 gallons per hour • 1 year 1 hour storm hydrodynamic verification Hydra®ARS After Rain Storm • No obstructions or debris after the storm • Debris left in front of the existing gates after the storm • The gate isn’t stuck open after the storm Design and Flow Verification • Tension cables are adjusted to the water flow pressure • Gate blades open with the water flow and readjust to close right after • Water flows easily through the moving blades Hydra®ARS Field Test (Feb.26, 2014) • Test site: Granada Hills, California • ARS® installation before 2/26-28/14 storm • 2.27″ Rain over 2 days – Widespread flooding