{ "currentVersion": 10.91, "cimVersion": "2.9.0", "serviceDescription": "NCDOT Hazardous Spill Basin Line for ESM application. Provide reference data based on NCDOT hazardous spill basin guidelines. @@ (Saturday, November 16, 2019)", "mapName": "Layers", "description": "NCDOT is required to include Hazardous Spill Basins on projects based upon the guidelines. The basic requirements for the Basins are the following:\n\nApplicable Locations\nBasins will be provided at stream crossings on highways functionally classified as a rural or urban arterials and, \n\n\n1. The stream (1) is identified as an Outstanding Resource Water (ORW) or a WS-I watersupply, or \n2. The stream (1) crossing is within 1/2 mile of the critical area (2) of a water supply source classified as WS-II, WS-III and WS-IV. \n\n(1) For the purpose of these guidelines \"stream\" will be defined as those depicted as blue lines on 7-1/2 minute (1:24000 scale) United States Geological Survey (USGS) quadrangles. \n\n(2) Critical area is defined as extending 1/2 mile from the normal pool elevation of a reservoir; or 1/2 mile upstream of , and draining to an intake. This would make the effective area for hazardous spill basins placement, within 1.0 mile of the normal pool or upstream of an intake. \n\nTo Develop a HSB coverages that identifies the potential need for an HSB, the following data sources are identified as needed: \n\nHYAR (24K Hydrography Line - Classified) \nHYARUT (24K Hydrography Line - Unnamed Trib)\nHYPL (24K Hydrography PolyLine - Classified) \nHYPLUT (24K Hydrography PolyLine - Unnamed) \nHQORWDWQ (Includes ORW and WS_I and WS_II WSW)\nWSW (Water Supply Watersheds) \nSWI (Surface Water Intakes) \n\nThis data set contains all finalized stream segments identified as HSB stream line segments.", "copyrightText": "NCDOT GIS Unit", "supportsDynamicLayers": false, "layers": [ { "id": 0, "name": "Hazardous Spill Basin Line", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 577790.554289, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true } ], "tables": [], "spatialReference": { "wkid": 102719, "latestWkid": 2264, "xyTolerance": 0.003280833333333333, "zTolerance": 2, "mTolerance": 2, "falseX": -121841900, "falseY": -93659000, "xyUnits": 3.6365718124241434E7, "falseZ": 0, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 }, "singleFusedMapCache": false, "initialExtent": { "xmin": 1586444.6200535367, "ymin": 228691.00375750219, "xmax": 2213453.9964900804, "ymax": 762877.5116940062, "spatialReference": { "wkid": 102719, "latestWkid": 2264, "xyTolerance": 0.003280833333333333, "zTolerance": 2, "mTolerance": 2, "falseX": -121841900, "falseY": -93659000, "xyUnits": 3.6365718124241434E7, "falseZ": 0, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "fullExtent": { "xmin": 497480.9616778344, "ymin": 184814.51753480732, "xmax": 2989766.9569589645, "ymax": 1036281.4546477944, "spatialReference": { "wkid": 102719, "latestWkid": 2264, "xyTolerance": 0.003280833333333333, "zTolerance": 2, "mTolerance": 2, "falseX": -121841900, "falseY": -93659000, "xyUnits": 3.6365718124241434E7, "falseZ": 0, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "datesInUnknownTimezone": false, "minScale": 577790.554289, "maxScale": 0, "units": "esriFeet", "supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP", "documentInfo": { "Title": "NCDOT Hazardous Spill Basin Line for ESM application", "Author": "", "Comments": "NCDOT is required to include Hazardous Spill Basins on projects based upon the guidelines. The basic requirements for the Basins are the following:\n\nApplicable Locations\nBasins will be provided at stream crossings on highways functionally classified as a rural or urban arterials and, \n\n\n1. The stream (1) is identified as an Outstanding Resource Water (ORW) or a WS-I watersupply, or \n2. The stream (1) crossing is within 1/2 mile of the critical area (2) of a water supply source classified as WS-II, WS-III and WS-IV. \n\n(1) For the purpose of these guidelines \"stream\" will be defined as those depicted as blue lines on 7-1/2 minute (1:24000 scale) United States Geological Survey (USGS) quadrangles. \n\n(2) Critical area is defined as extending 1/2 mile from the normal pool elevation of a reservoir; or 1/2 mile upstream of , and draining to an intake. This would make the effective area for hazardous spill basins placement, within 1.0 mile of the normal pool or upstream of an intake. \n\nTo Develop a HSB coverages that identifies the potential need for an HSB, the following data sources are identified as needed: \n\nHYAR (24K Hydrography Line - Classified) \nHYARUT (24K Hydrography Line - Unnamed Trib)\nHYPL (24K Hydrography PolyLine - Classified) \nHYPLUT (24K Hydrography PolyLine - Unnamed) \nHQORWDWQ (Includes ORW and WS_I and WS_II WSW)\nWSW (Water Supply Watersheds) \nSWI (Surface Water Intakes) \n\nThis data set contains all finalized stream segments identified as HSB stream line segments.", "Subject": "NCDOT Hazardous Spill Basin Line for ESM application. 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