Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="text-indent:20;"><SPAN>Prior to creating the RPA_Buffer layer, the Perennial_Water_Bodies layer was updated with information about the location of the perennial water bodies obtained from environmental services organizations and submitted to the City for approval as part of the eBuild/RPA determination process. The name and date of the application site was added to the Perennial_Water_Bodies layer. The RPA_Buffer layer was created by creating 50 ft and 100 ft buffers of the Perennial Water Body layer, merging all records into a single multipolygon feature for each buffer area, and appending the 50 ft buffer into the 100 ft buffer. Fields were added in include an UpdatedOn and UpdatedBy fields. While the Planning Department does not receive a large number of of CBPA applications requiring a RPA determination, there is a desire to have the most correct information when making RPA impact determinations. The date field will let Planning and Public Works staff know when it was last updated.</SPAN></P><P STYLE="text-indent:20;"><SPAN>The Perennial_Water_Bodies layer was created through the combined use of site visits and aerial imagery. The aerial imagery used in the creation of this layer was a combination of; the Chesapeake 2018, Chesapeake 2016, Water Bodies, LIDAR, Contours, and COE_Tracking layers. The boundary of the Chesapeake Bay Preservaion Area was determined by the use of the City Boundary layer, and the Hampton Roads HUC from the HUC layer. The extents of the Chesapeake Bay Preservation Area consist of the overlap of those two boundaries. </SPAN></P><P STYLE="text-indent:20;"><SPAN>The layer was first created by creating a copy of the Water Bodies layer. This was done, so that a workable layer could be produced, without affecting existing layers. The copy created was titled Water_Bodies_Copy. The boundaries of the existing perennial waters, exceeded the boundaries of the Chesapeake Bay Preservation Area, so this layer was clipped using the Geoprocessing tool Clip. The input of the Clip was the Water_Bodies_Copy layer, and the Clip Features were a copy of the HUC Layer and a copy of the City Boundary Layer. The layer must be clipped with copies of those layers, or an error message will appear. The ouput of this Clip became the workable Perennial_Water_Bodies layer. </SPAN></P><P STYLE="text-indent:20;"><SPAN>The boundaries of the water in this layer did not match up with the shoreline of the Chesapeake 2018 layer, so the water vertices had to be shifted, so that a more accurate shoreline was respresented. New water polygons were added to the layer in areas where there were perennial waters, that had not been previously mapped. This was done through a combination of aerial imagery and site visits. </SPAN></P><P STYLE="text-indent:20;"><SPAN>The CBPA Wetland polygons were added through the use of site visits and aerial imagery. The two foot contour from the contours layer, was used as the boundary of the extent of the wetlands polygons. In some cases, the four foot contour was used as the wetlands extent, in areas where the land was obviously waterlogged in the aerial imagery.</SPAN></P><P STYLE="text-indent:20;"><SPAN>The layer was displayed by the unique values in the Body_Type field.</SPAN></P><P /><P STYLE="text-indent:20;"><SPAN /></P></DIV></DIV></DIV>
Label Placement: esriServerPolygonPlacementAlwaysHorizontal Label Expression: "SONO Business District" Use Coded Values: true Symbol:
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