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PRODUCT PIPING SUMP TESTING <br /> Test Method By: O Manufacturer • Industry standard Professional Engr o Other(see below) <br /> Test Method Uses: o Pressure C Vacuum • Hydrostatic o Other(see below) <br /> Measuring Equipment Used: INCON TS-STS (Electronic Sump Test System) <br /> Description Tank#1 Tank#2 Tank#3 Tank#4 <br /> Tank product Gasoline-87 East Gasoline-87 West Gasoline-91 Diesel <br /> Sump material FRP FRP FRP FRP <br /> Sump diameter (inches) 42" 42" 42" 42" <br /> Sump depth (inches) 81" 82" 82" 82" <br /> Height from tank top to highest 48" 46" 48" 26" <br /> piping penetration (inches) <br /> Height from tank top to lowest 35" 36" 35" 38" <br /> electrical penetration (inches) <br /> Method of sump attachment to tank Tank Collar Tank Collar Tank Collar Tank Collar <br /> Condition of sump prior to testing Dry Dry Dry Dry <br /> Portion of sump tested Entire Entire Entire Entire <br /> Is system programmed for fail-safe operation? Unknown Unknown Unknown Unknown <br /> Was fail-safe verified to be operational? No No No No <br /> Was sensor removed for testing? Yes Yes Yes Yes <br /> Was sensor properly replaced after testing? Yes Yes Yes Yes <br /> Depth of water level from tank top (inches) 50 44 44 44 <br /> Wait time for water level to stabilize (hr:min) :15 :15 :15 :15 <br /> Test start time 12:13 PM 12:13 PM 1:21 PM 12:13 PM <br /> Initial Probe Reading 5.4665 3.7778 2.9368 4.7244 <br /> Test end time 12:29 PM 12:29 PM 1:36 PM 12:29 PM <br /> Final Probe Reading 5.4667 3.7780 2.9364 4.7241 <br /> Test duration (hr:min) 0:16 0:16 0:15 0:16 <br /> Change in water level (±0.0000 inches) 0.0002 _ 0.0002 -0.0004 -0.0003 <br /> Pass/Fail threshold (±0.0020 inches/;Hr.) 0.0020 0.0020 0.0020 0.0020 <br /> TEST RESULT PASS PASS PASS PASS <br /> Comments: <br /> 0 2016 Walton Engineering,Inc. <br />