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<br />i'c' <br />~, <br />I <br />'K".' <br />w <br />f <br /> <br />L <br /> <br />'.' <br /> <br />graLatioi1 requirer:lcnts. Concrete aggregate sources listed in paragraph <br />u-1ge are suitaule sources for bedding 8aterial. <br /> <br />Sieve Size <br /> <br />Percent by ~jeight Passing <br /> <br />6 inches <br />i~o. 4 <br />,io. 20 <br /> <br />100 <br />30-60 <br />10-30 <br /> <br />3-20. Instrumentation. Instruffientation will not be provided for the <br />low levee system. Foundation settlement under the 1m; levee fills would be <br />less than 5 percent of the levee height. <br /> <br />3-21. Slope protection. Overbank velocities during design flood <br />discharge clOuld range from 3 to 8.3 feet per second. Slope protection at <br />cr~t~ca.J. "reas would be provided by double rm., jetty units 12'-6" on center. <br />Approximately 2,488 jack units, includin;; tie backs, would be required for <br />dlis project. Typical installation of the jetties is shown on plate 18. <br />Locations of tile jetty fields are shmm on appurtenant plan and profile plates. <br /> <br />.':0 <br /> <br />26 <br />