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Service Description: NCDOT Hazardous Spill Basin Line for ESM application. Provide reference data based on NCDOT hazardous spill basin guidelines. @@ (Saturday, November 16, 2019)
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Description: NCDOT is required to include Hazardous Spill Basins on projects based upon the guidelines. The basic requirements for the Basins are the following:
Applicable Locations
Basins will be provided at stream crossings on highways functionally classified as a rural or urban arterials and,
1. The stream (1) is identified as an Outstanding Resource Water (ORW) or a WS-I watersupply, or
2. 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.
(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.
(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.
To Develop a HSB coverages that identifies the potential need for an HSB, the following data sources are identified as needed:
HYAR (24K Hydrography Line - Classified)
HYARUT (24K Hydrography Line - Unnamed Trib)
HYPL (24K Hydrography PolyLine - Classified)
HYPLUT (24K Hydrography PolyLine - Unnamed)
HQORWDWQ (Includes ORW and WS_I and WS_II WSW)
WSW (Water Supply Watersheds)
SWI (Surface Water Intakes)
This data set contains all finalized stream segments identified as HSB stream line segments.
Copyright Text: NCDOT GIS Unit
Spatial Reference:
102719
(2264)
Single Fused Map Cache: false
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Spatial Reference: 102719
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XMax: 2989766.9569589645
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Spatial Reference: 102719
(2264)
Units: esriFeet
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
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:
Applicable Locations
Basins will be provided at stream crossings on highways functionally classified as a rural or urban arterials and,
1. The stream (1) is identified as an Outstanding Resource Water (ORW) or a WS-I watersupply, or
2. 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.
(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.
(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.
To Develop a HSB coverages that identifies the potential need for an HSB, the following data sources are identified as needed:
HYAR (24K Hydrography Line - Classified)
HYARUT (24K Hydrography Line - Unnamed Trib)
HYPL (24K Hydrography PolyLine - Classified)
HYPLUT (24K Hydrography PolyLine - Unnamed)
HQORWDWQ (Includes ORW and WS_I and WS_II WSW)
WSW (Water Supply Watersheds)
SWI (Surface Water Intakes)
This data set contains all finalized stream segments identified as HSB stream line segments.
Subject: NCDOT Hazardous Spill Basin Line for ESM application. Provide reference data based on NCDOT hazardous spill basin guidelines.
Category:
Keywords: NC,North Carolina,NCDOT,ESM
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Supported Query Formats: JSON, geoJSON, PBF
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Supports Datum Transformation: true
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