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<br /> <br />structurally more resistant to water loadings. Water will freely flow through <br />the first brick layer to and along the water barrier. <br />Wall 3 <br />A concrete beam was cast at the base of Wall 3 to represent the footing <br />under the brick wall. A tubular seal was used to encase and lock the plastic <br />at the footing of the wall. The plastic was then pulled up and over the wall <br />and closure. This formed a waterproof barrier over the wall and closure. <br />This system is presented in Figure 42. The closure consisted of a piece of <br />plywood placed against the wall to support the plastic. <br />The tubular seal at the base of the building was cons:ructed as follows: <br />o About one third of the tube was cut away. The tube was epoxied to the <br />footing with the cut surface turned to the outside. <br /> <br /> <br />The length of the system <br />to be flood proofed. <br /> <br />( <br />I <br />I <br /> <br />. A solid circular leng'h of rubber was placed against the plastic and <br />snapped into the cut tube (schematically illustrated in the sketch <br />below). <br /> <br />Cut <br /> <br />~e) <br /> <br />C~ <br /> <br />Plastic <br /> <br />Solid circular length <br />of rubber. <br /> <br />After only one test was performed on this brick-veneer wall, the system <br /> <br /> <br />performed well. Other tests are necessary to determine the reliability of the <br /> <br />system. Difficulties encountered prompted the test to be stopped. Water <br /> <br /> <br />leakage under the bottom of the beam and base of the wall was to such a degree <br /> <br />that further testing was useless. A particular advantage to this system is <br /> <br /> <br />that seals and gaskets for individual openings in the structure are not <br /> <br /> <br />necessary. <br /> <br />41 <br />