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Site Preparation and Installation Instructions EMC UST Monitoring System SECTION 3. SITE PREPARATION 1 WARNING: IN INSTALLATION OF THIS PRODUCT, COMPLY WITH THE NATIONAL ELECTRICAL CODE; FEDERAL, STATE AND LOCAL CODES; AND OTHER APPLICABLE SAFETY CODES. WWARNING: TO PROTECT YOURSELF AND OTHERS FROM BEING STRUCK BY VEHICLES DURING WORK, BLOCK OFF YOUR WORK AREA DURING INSTALLATION OR SERVICE. FAILURE TO COMPLY WITH THESE WARNINGS COULD RESULT IN DEATH, SERIOUS PERSONAL INJURY, PROPERTY LOSS, AND EQUIPMENT DAMAGE. A. PROBE RISER PIPE INSTALLATION. (See Figure 4, "Capacitance Probe Installation Require- ments" and Figure 5, "Magnetostrictive Probe Installation Requirements"). IMPORTANT: For maximum height -to -volume accuracy, select the threaded hole closest to the middle of the tank and install a 4 -inch riser pipe (ANSI pipe, sch. 40). Standard procedures for installing a fill pipe can be used. Instructions are based on a 4 -inch riser pipe, however, the capacitance probes will also fit a 3 -inch riser. 1. If the tank is buried, excavate the portion of the tank that contains the riser hole. 2. Remove the bung from the hole and install the riser pipe. Figure 4. Capacitance Probe Installation Requirements. •' NOTE: The top of the riser pipe must be threaded to accept a 4 x 8 NPT cap adaptor ring. In addition, make sure there will be enough clearance between the top of the installed riser cap and manhole cover to allow room for the two -wire probe cable to protrude from the cap. 3. Install a standard adaptor ring and riser cap on the riser pipe. NOTE: The cap should be a locking cap, "Evertite" or I10 equivalent, with a standard ring adaptor. The cap must be drilled and tapped to receive the furnished cable grip (see Section 5.13 and Section 6.C). Kits consisting of a 4 -inch cap, adaptor ring and plug for the cap are available from Gilbarco. For each probe riser, order one Kit Number: Q12598-05. 14" MINIMUM DIA MANHOLE CONCRETE SLAB SUB OR PACKED EARTH 2COR0 GRIP SEALS PER NFPAW SU PPLIED WITH PROBE •'7 STRAIN WEATHERPROOF RELIEF JUNCTION BOM WITH CHAIN 112INCH NPT THOS 118 CUBIC INCH MINIMUMI EPDXY SEAL PER NPA SPEC 20 MIN BEE BLE RISER DIMENSION SUPPLIED WITH *NOTE SUPPLIED WITH RISER DIMENSION PROBE SHOULD 20" TO THE BOTTOTO M OF AAPI PIPE THE RISER CAP SCHEDULE EDULE W CAPACITANCE TANK PROBE Note: Increase this minimum dimension it the tank diameter does not match the probe length. (Example: A 7'6" dia. tank will use an 8' probe. The extra probe height will be lodged in the riser pipe. which must be 6" longer than the minimum in order to provide room.) Figure 4. Capacitance Probe Installation Requirements. •' NOTE: The top of the riser pipe must be threaded to accept a 4 x 8 NPT cap adaptor ring. In addition, make sure there will be enough clearance between the top of the installed riser cap and manhole cover to allow room for the two -wire probe cable to protrude from the cap. 3. Install a standard adaptor ring and riser cap on the riser pipe. NOTE: The cap should be a locking cap, "Evertite" or I10 equivalent, with a standard ring adaptor. The cap must be drilled and tapped to receive the furnished cable grip (see Section 5.13 and Section 6.C). Kits consisting of a 4 -inch cap, adaptor ring and plug for the cap are available from Gilbarco. For each probe riser, order one Kit Number: Q12598-05. Figure 5. Magnetostrictive Probe Installation Requirements. F01 14" MINIMUM DIA MANHOLE CONCRETE SUB OR PACKED EARTH 2 CORD GRIP SEALS PER NFPA 90 SUPPLIED WITH PROBE •'7 WEATHERPROOF STRAIN RELIEFJUNCTION BOX WITH 1�21NCH NPT THDS CHAIN 116 CUBIC INCH MINIMUMI EPOKV SEAL PER NFPA SPEC 19' MIN, SEE 2 -WIRE CABLE RISER DIMENSION •NOTE SUPPLIED WITH PROBE SHOULD BE 19' TO THE BOTTOM OF THE RISER CAP. 4W A P I PIPE SCHEDULE Q MAGNETOSTRICTIVE PROBE TANK Note: Increase this minimum dimension if the tank diameter does not match the probe length. (Example: A 7'6" dia. tank will use an 8' probe. The extra probe height will be lodged in the riser pipe. which must be 6" longer than the minimum in order to provide room.) Figure 5. Magnetostrictive Probe Installation Requirements. F01