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Ask Ask, <br /> NW <br /> PRODUCT PIPING SUMP TESTING <br /> Test Method By: Manufacturer • Industry Standard Professional Engr o Other(see below) <br /> Test Method Uses: Pressure 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 <br /> Tank product Gasoline 87 Gasoline 89 Gasoline 91 <br /> Sump material FRP FRP FRP <br /> Sump diameter (inches) 42 42 42 <br /> Sump depth (inches) 62 62 62 <br /> Height from tank top to highest 16 19 24 <br /> piping penetration (inches) <br /> Height from tank top to lowest 16 16 15 <br /> electrical penetration (inches) <br /> Method of sump attachment to tank Tank Collar Tank Collar Tank Collar <br /> Condition of sump prior to testing Dry <br /> Portion of sump tested Entier <br /> Is system programmed for fail-safe operation? Unknown <br /> Was fail-safe verified to be operational? N/A <br /> Was sensor removed for testing? Yes <br /> Was sensor properly replaced after testing? Yes <br /> Depth of water level from tank top (inches) 19 <br /> Wait time for water level to stabilize (hr:min) 0:10 <br /> Test start time 2:00 PM <br /> Initial Probe Reading 5.6705 <br /> Test end time 2:15 PM <br /> Final Probe Reading 5.6711 <br /> Test duration (hr:min) 0:15 <br /> Change in water level (±0.0000 inches) 0.0006 <br /> Pass/Fail threshold (±0.0020 inches/;Hr.) 0.0020 <br /> TEST RESULT PASS <br /> Comments: <br /> This was a re-test of the 87 STP sump after repairs. <br /> © 2006 Walton Engineering,Inc. <br />