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• Invert the liner. <br /> <br />• Place the PVC pipe over the end of the tube in the downstream manhole as the inverting <br />tube enters the downstream manhole. <br /> <br />• After curing, remove the restrained CIPP and cut into three even pieces for testing. When <br />removing the CIPP sample from the PVC, care must be taken not to damage the CIPP <br />sample (See Note below). It is recommended that one is given to the client and the other <br />two are kept for internal evaluation. It is strongly suggested that all samples be thoroughly <br />inspected for thickness, damage, or any abnormalities before forwarding on to clients <br />and/or testing facilities. If damaged areas exist next to acceptable areas clearly mark <br />the specimen where it should be tested. <br /> <br />NOTE: Do not try to remove the CIPP sample with excessive force (i.e., Throwing <br />CIPP/Plate on the floor). If the CIPP sample will not release from the plate, it is <br />recommended to use a small screwdriver and a hammer. Place the edge of the screwdriver <br />between the CIPP and plate and tap gently until the CIPP sample releases from the plate. <br /> <br />If the engineer requires a restrained sample for diameters greater than 18 inches, PVC pipe can <br />be split along the axis like a clamshell so it can pass through the manhole ring. Once placed <br />around the liner, the two (or more) pieces of PVC can be held together with a ratchet strap or <br />banding. The PVC piping can also be cut along the axis and then held together with hinges, <br />allowing it to open as it passes through the manhole ring. <br /> <br />