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Mitigation Measure <br /> <br />2. Straw-or other suitable materials will be <br /> placed over uncovered soils, as needed, during <br /> sn-eet construction activities. This would <br /> reduce the amount of erosion. <br /> <br />Temporary culvert3, ditches, catch basins, <br />dams, and settling ponds ~ be instaLled in <br />the street construction areas to maintain <br />existing drainage flows and to cot~ect excess <br />water and sediments flowing out of the <br />construction sites. Sediments collected will be <br />disposed of at a Class 1I or Class HI disposal <br />site. <br /> <br />Floodplain/'Floodway Encroachment <br /> <br />Routine construction procedures will be <br />implemented to minimize impacts to the <br />floodplains. With regard to the bridge over <br />Santiago Creek, the design will consider the <br />possibility of the Creek overtopping its banks <br />and will be designed to withstand such an <br />episode. <br /> <br />Strearnbed Modification <br /> <br />Replacement of tree plantings will occur on <br />those shoulders without surviving trees. <br /> <br />Timine of Imnlementation <br />During construction. <br /> <br />During construction. <br /> <br />During preparation of bridge widening <br />design plans. <br /> <br />Following construction of widened <br />Santiago Creek Bridge. <br /> <br />R nsibl Eot' i <br /> <br />City Public Works Agency <br />Construction Contractor <br /> <br />City Public Works Agency <br />Construction Contractor <br /> <br />City Public Works Agency <br />Consulting Engineer <br /> <br />City Public Works Agency <br />Landscape Contractor <br /> <br /> <br />