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included in the original model. The new segment names are RSA1060S and <br />RSA1060Sa. <br />• Segment RSA1060F from node 71214 to 71215 was divided into 2 segments to <br />incorporate a 48 -inch CMP culvert that was included in the survey but not included in <br />the original model. The new segment names are RSA1060F and RSA1060Fa. <br />• Segment RSA1030D from node 73395 to 73394 was divided into 3 segments to <br />incorporate the culvert under Auction Ct. that was not included in the original model. <br />The new segment names are RSA 103OD, RSA 1030Da and RSA 1030Db. <br />• Node numbers for segment RSAI 160H were changed from 72727 -72728 to 71941 -71940 <br />to match node numbers from the GIS layer. <br />HYDROLOGY CHANGES <br />The following changes were made with respect to updating subbasin delineations, as a result of <br />the new survey data: <br />Flat Creek Subbasin <br />• A runoff node was moved from node 72244 to 75659 according to the new basin <br />delineation. <br />A -1 Channel Subbasin <br />• Subbasin RSA1 -020 was added at node 72757 according to the new basin delineation. <br />• Subbasin RSA1 -070 was moved from node 72740 to 72742 according to the new basin <br />delineation. <br />MODELING METHODOLOGY TO ACCOUNT FOR UICs <br />A separate XP- SVOvIM model was developed for each of the four subbasins in the River Road <br />Santa Clara major basin. The following four models were developed for each of the four subbasins: <br />• Existing conditions model without UICs; <br />• Existing conditions model with UICs; <br />• Future conditions model without UICs; and <br />• Future conditions model with UICs <br />3 <br />