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10-31-19196 11:18AM FROM FILLNER CONST INC 916 372 0911 <br />CONCRETE TRAFFIC PAD <br />Double -Wall Tank Monitoring =r <br />System Configurations <br />/ l 10 LEVEL SENSOR <br />Hydrostatic Tank Monitor <br />FlUid COntainment recommends the <br />UMIL�JI�Lt <br />Comparison on the next page). <br />Alternate Tank Monitoring Systems <br />The fiberglass double-wall tank is <br />designed to a=mmodate other leak <br />monitoring systems. If another type of <br />tank monitor is specified innially, the <br />tank top. When your tank is equipped <br />with the optional fiberglass reserVoir (in <br />Place of the monitoring f itting), the fitting <br />accessing the reservoir can be used for <br />liquid type interstitial moriftor sensors. <br />nuid Containment provides a factory <br />installed "drawstring" at the armular space <br />monitor fitring, to assist in positioning W <br />vid sensors at the Wttorn of the annular <br />space. <br />be Posft!ned within the resservoir, <br />ILI] <br />CONCRETE TRAFFIC PAD, <br />7 <br />FIBERGLASS RESERVOIR <br />CONCRETE TRAFFIC PAD <br />Z <br />" VACUUM OR AIR <br />,—PRESSURE SENSOR <br />CONCRETE TRAFFIC PAD <br />--RISER PIPE <br />— FIBERGLASS RESERVOIR <br />�R <br />FER <br />ERE <br />HYDROCARBON <br />VAPOR SENSOR <br />WATER SENSOR <br />ON <br />Hydrostatic Tank Monitor <br />1. Use antifreeze solution in <br />cold climate areas. <br />2. Use hollow sphere kit to <br />control evaporation on acid <br />environments. <br />3. Maximum tank burial <br />depth 'r below grade from <br />tank top, <br />4, The monitoring cavity <br />must be vented to the <br />atmosphere. The optional <br />reservoir sensor supplied by <br />Fluid Containment is <br />designed to automatically <br />vent the monitoring cavity. <br />Liquid Sensor Monitoring <br />Systems (Ory Annular <br />Space): <br />Typical configuration for an <br />electronic sensor or manual <br />dipstick. <br />Note <br />t. Monitoring fitting may be <br />used in place of fiberglass <br />reservoir. <br />2. monitoring cavity can be <br />vented to atmosphere or <br />sealed. <br />Vacuum and Air Pressure <br />Monitoring Systems <br />(Dry Annular Space): <br />Notes - <br />I . Monitoring fitting may be <br />used in place of fiberglass <br />reservoir. <br />2. Maximum continuous <br />positive air pressure is 3 <br />psi, <br />3, Maximum continuous <br />vacuum is $ PSI. <br />Gasoline Vapor Sensor <br />Monitoring Systems <br />Annular Space): <br />Many vapor sensors also <br />include a water sensor. <br />Note: <br />t. Monitoring fitting may be <br />used in Place of fiberglass <br />reservoir, <br />2 Monitoring cavity can be <br />sealed or vented to atmos- <br />phere. <br />11 <br />