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W.O.# NW1-231546b <br />M <br />Pilonitoring Sensor Veri aca'don Checklist <br />have verified that the liquid sensors in the sumps at this site are in <br />lace as indicated belpK and in accordance with California law. <br />TE <br />Cust reef# : PO: 0015114456 <br />No: <br />rcle one: COCO�or Colo <br />)me: dra r ( A_,Date: <br />)ntractorT- _ L_...!_ Time: _2/'N <br />Definitions: ✓' <br />Earliest Poin of tection: usually on the side of the tank sump where the piping enters, such that a primary pipe leak would <br />be detected <br />Visual verification of sensor: The sensor must be visible from grade such that it can be verified that the sensor is resting on the <br />bottom. For sleeves, they must be cut at an angle or slightly raised so that the bottom of the sensor is visible. <br />Product Tank Sumps <br />Some tanks (Joor steel tanks) have a 2nd rectangular collar inside the sump. Note in the comments box, if the sump contains this <br />2nd collar and where the sensor is located - inside or outside this inner collar. <br />91. Tank - STP sump <br />Yes -o <br />N/A N/A Comments: <br />(no sump) (no sensor) (note if inner collar present) <br />Sensors installed at lowest point <br />jSensors placed for earliest point of detection (piping side) <br />!Sump is dry & free of debris <br />!Sensor is secure in a vertical position (bracket or sleeve) <br />Sensor is visually verified to be resting on the bottom <br />/ <br />/ <br />I� <br />v <br />Secondary piping test boots pulled back and/or plugs removed <br />from clam shells (excluding vac monitored pipe) <br />/ <br />iZain Guard is Present <br />91 Tank - Fill sump <br />yes <br />N/A N/A Comments: <br />(no sump) (no sensor) (note if inner collar present) <br />Sensors installed at lowest point <br />Sensors placed for earliest point of detection (piping side) <br />/ <br />Sump is dry & free of debris <br />/ <br />Sensor is secure in a vertical position (bracket or sleeve) & can <br />be visually verified to be resting on the bottom <br />/ <br />Sensor is visually verified to be resting on the bottom <br />/ <br />Secondary piping test boots pulled back and/or plugs removed <br />from clam shells (excluding vac monitored pipe) <br />v4 L <br />Vapor/Fill center to center dimension <br />A <br />Page 1 of 4 <br />sump inspection <br />