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PhikTite Installation , Operation and Maintenance Manual , Page 17 Executive Order VR-101 -N <br /> Step 2 — New installation for an Above the Spill Containers Fiberglass Platform <br /> A . Using a tape measure , measure from top of the tank to finish grade . This is measurement "A " . <br /> Subtract 24 to 25 inches from measurement "A" to equal "XXX" . " A " — 24 inches = "XXX" . <br /> The result is the length of your riser measured from the top of the tank . Cut and thread one end of <br /> your 4 inch tank riser and dry fit it into the tank bung . Measure your riser ( installed into the tank <br /> bung ) from top of tank to the dimension found above , mark your risers . Cut your tank risers (fill & <br /> vapor) on the marks made above and thread this end . <br /> Step 3 — Dry Fit All Components <br /> Dry fit your riser to verify your measurements . After you have dry fit all components and are satisfied <br /> with your measurements , apply an approved fuel resistant , non hardening thread sealant ( pipe dope ) <br /> to the NPT threads on tank end of the risers . <br /> Step 4 — Install Tank Risers <br /> Install and torque the tank risers into the tank bungs . <br /> Step 5 — Install the M - 1600 Riser Support Bracket before you install the M/F 4X4 Riser Adaptors <br /> Install the M- 1600 Riser Support bracket between the two 4 inch ( Fill and Vapor) tank risers just below <br /> the top of the tank riser threads for the M/F 4X4 riser adaptors . Tighten and/or set the turn buckles to <br /> maintain the space between the two tank risers at 16 inches on center . <br /> Step 6 — Check your dimensions <br /> With the M/F 4X4 riser adaptors and spill containers dry fitted , check the dimension from the top of the <br /> spill container to finish grade or top of composite manway cover. You should have 4 'Y2 to 5 inches <br /> clearance . Verify the height of the fiber glass platform . Check for 1 'Yz inches of clearance between <br /> the top of the platform and the bottom of the composite manway cover. <br /> Step 7 — Install the M/F 4X4 riser adaptors <br /> Using the M/ F 4X4 Riser Adaptor Installation Instructions install and torque the M/F 4X4 riser <br /> adaptors . <br /> You are now ready to install the 85000 - EXT Spill Containers . Refer to the 85000- EXT Series Spill <br /> Container Installation Instructions in this document . <br /> i <br />