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<br />d. When the sheeting is put around and snapped to the building, <br />techniques must be used which will not pull the sheeting tight <br />or pull it at angles so as to cause wrinkles under the seal <br />strip. <br /> <br />e. Any laps of the sheeting should be sealed with a pliable <br />adhesive bonding or a thermal sealing device. A water- <br />resistant tape should be used to seal the edge of the lap. <br />Several strips of tape should be used to seal the lapped edge. <br /> <br />f. All corners must be smoothed so that if reasonable care is <br />taken, the sheeting will not be punctured at the corners during <br />installation. <br /> <br />~. The intersection of the underside of the sheeting and the seal <br />strip must be sealed at joints of the various pieces of the <br />nonpermanent part of the seal strip. <br /> <br />h. Corners of the seal strip must be fit together easily, and <br />sealing material must be used or leaks will occur. <br /> <br />i. A drainage system with a sump and pump must be used behind the <br />water-resistant system to take care of any leaks which may <br />occur. <br /> <br />102. Another system involves extending a continuous and relatively <br /> <br /> <br />impermeable membrane into the ground a sufficient depth to prevent detrimental <br /> <br /> <br />underseepage and continuously from in the ground up on the walls of the house. <br /> <br /> <br />A trough is located at ground level for storage of the membrane when it is not <br /> <br /> <br />in use. A drainage, sump, and pump system should be located behind the flood- <br /> <br /> <br />resistant construction to collect any underseepage or water leaks. <br /> <br />103. A homeowner's manual should be written to transfer technology to <br /> <br /> <br />the public. As many options of flood-resistant construction as possible <br /> <br />should be presented to the public for consideration and use. The systems must <br /> <br /> <br />not only be logical; they must have been tested and proven. <br /> <br /> <br />104. A prototype house of block-wall construction was tested, and 4 ft <br /> <br /> <br />of water damaged the walls of the house. If a building owner allows a brick <br /> <br /> <br />or block-wall building to experience greater than about 3 ft of water head, it <br /> <br /> <br />is highly likely that the building will be structurally damaged. The test of <br /> <br /> <br />the prototype house was partially successful, although some details of the <br /> <br /> <br />flood-resistant system must be improved. <br /> <br /> <br />105. A prototype test was performed on a house in Tulsa, Oklahoma, with <br /> <br /> <br />the fabric extending continuously from in the ground up the side of the house. <br /> <br /> <br />This system with few improvements is considered satisfactory to protect exist- <br /> <br /> <br />ing building in floodplains from at least 3 ft of floodwaters. A permanently <br /> <br /> <br />installed system such as the one used in this test is very desirable because <br /> <br />31 <br />