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<br />TYPE OF PIER <br /> <br />Semicircular Dose aDd tail <br /> <br />, <br /> <br />Twin cylinder piers with <br />connecting diapbraga <br /> <br />Twin cy1iDder piers <br />without diapbrap <br /> <br />90. triugular DOse aDd tail <br /> <br />Square DOse aDd tail <br /> <br />, <br /> <br />TABLE 1 <br /> <br />9a. <br /> <br />Ie FOR USE IN <br />YARNELL'S EQUATION <br /> <br />0.90 <br /> <br />0.95 <br /> <br />1.05 <br />1.05 <br /> <br />1.25 <br />