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(Note:The panels are size that each tri-fold covers LEAK TESIO: <br /> half of the circumference of t e that <br /> - A tri-fold is lifted by the backhoe and guided into place by - Temporary glass and resin lay-ups are used to attachthe steel tank to the ReTank at each containment collar. <br /> FCI personnel (Note: It is not necessary that the annular space <br /> The tri-fold is opened covering the bottom 1800 of the between the steel tank and the ReTank be completely <br /> tank circumference. leak tight as long as it is sufficiently tight to allow <br /> hydrostatic pressure to be continuously applied to the <br /> annular space for testing of the ReTank.) <br /> Dyed water used to detect porosity or leaks is added <br /> to the space between the steel tank and the ReTank <br /> to achieve a 5 psi water head at the bottom of the tank <br /> to test the entire ReTank surface. <br /> When the tank length requires multiple panels,additional - The interior of the ReTank is visually inspected for any <br /> trace of a leak as evidenced by the presence of dyed <br /> bottom tri-folds are installed in the same manner. water. <br /> - The top tri-folds are inserted into the tank and lowered to WRAP UP: <br /> the tank bottom in a similar manner. <br /> .The tank is measured and strapped for final dimensions <br /> - The top tri-fold is attached to the chain hoists connected in order to develop a new calibration chart. <br /> to the tripods and raised into position at the top of the <br /> tank. - After exiting tank, a gasket is placed on the manway <br /> - The top tri-fold is opened covering the top 1800 of the flange and the cover installed to seal manway. <br /> tank circumference and is held in position temporarily by <br /> jacks. <br /> k . <br /> Upon the successful completion of the leak test,the tank <br /> is turned over to the Contractor to connect vents,piping, <br /> and to complete backfilling and final surface work. <br /> - When the tank length requires multiple panels,additional <br /> tri-folds are installed in the same manner. <br /> - Field adjustments to the final panel lengths may be <br /> required. If necessary,the panels will be cut to a shorter <br /> length by the FCI technician before or after the panels <br /> are installed in the steel tank. <br /> All of the installed panels and end caps joints are bonded <br /> together per the UL procedure and FCI ReTank <br /> specification. <br /> - All manways,fittings and other accessories are installed <br /> according to factory specifications. <br /> - The remaining endcap is installed and bonded together <br /> in the same manner as the first end cap. <br /> E 3 <br /> 6 <br /> t ' <br />