All Layers and Tables (Chatham_Building_Flood_Risk

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Layer: FloodRiskFootprintPoints2015 (0)

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Building Footprints in Chatham County, NC derived partially from the QL2 LIDAR data acquired as part of a project in 2015 by the North Carolina Department of Public Safety's Floodplain Management Branch.

The majority of the features in this feature class (roughly 36,500 buildings) were derived directly from the LIDAR data, but a small subset of the features (roughly 7,000 buildings) were copied from the existing 2007 building footprint layer in Chatham Counties' enterprise SQL database. These features were existing buildings in Chatham County that were not included as part of the 2015 LIDAR derived data delivery from NC Floodmap. Some of the buildings were smaller in size than NC Floodmap included within the specs of their project or fell outside the Chatham County grid index. All features were verified to still exist utilizing newer aerial photography to give a more comprehensive dataset of existing buildings in Chatham County, NC.

The shape and orientation of the ground floor for all structures in Chatham County, NC as they stood in the spring of 2015. This representation of the building footprints supports the local government basemaps. It also serves as a source for public works, public safety, planning and other agencies that are responsible for the active management of site addresses, facilities, and land use information.

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OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
NUMSTORIES (type: esriFieldTypeSmallInteger, alias: Number of Stories, SQL Type: sqlTypeOther, nullable: true, editable: true)
BLDGHEIGHT (type: esriFieldTypeDouble, alias: Building Height, SQL Type: sqlTypeOther, nullable: true, editable: true)
FEATURECODE (type: esriFieldTypeString, alias: Facility Site Code, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true)
AddressNumber (type: esriFieldTypeDouble, alias: Address Number, SQL Type: sqlTypeOther, nullable: true, editable: true)
FullAddress (type: esriFieldTypeString, alias: Full Address, SQL Type: sqlTypeOther, length: 40, nullable: true, editable: true)
Verified (type: esriFieldTypeString, alias: Verified, SQL Type: sqlTypeOther, length: 5, nullable: true, editable: true)
VerifiedYear (type: esriFieldTypeString, alias: Verified Year, SQL Type: sqlTypeOther, length: 5, nullable: true, editable: true)
created_user (type: esriFieldTypeString, alias: created_user, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
created_date (type: esriFieldTypeDate, alias: created_date, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
last_edited_user (type: esriFieldTypeString, alias: last_edited_user, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
last_edited_date (type: esriFieldTypeDate, alias: last_edited_date, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
ORIG_FID (type: esriFieldTypeInteger, alias: ORIG_FID, SQL Type: sqlTypeOther, nullable: true, editable: true)
CreationDate (type: esriFieldTypeDate, alias: CreationDate, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: false)
Creator (type: esriFieldTypeString, alias: Creator, SQL Type: sqlTypeOther, length: 128, nullable: true, editable: false)
EditDate (type: esriFieldTypeDate, alias: EditDate, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: false)
Editor (type: esriFieldTypeString, alias: Editor, SQL Type: sqlTypeOther, length: 128, nullable: true, editable: false)

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Layer: Flood Hazard Areas (2013) (1)

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Polygon features delineating areas within Chatham County that are in the floodway and also the 100-year & 500-year floodplains. The data was downloaded from the North Carolina Floodplain Mapping Program (NCFMP) for use in Chatham Counties' enterprise mapping platform. Preliminary Digital Flood Insurance Rate Map (DFIRM) panels and the Flood Insurance Study (FIS) Reports (both dated August 30, 2013) were issued to Chatham County and incorporated communities within Chatham County.

The 2013 data is utilized by multiple Chatham County departments, but is most heavily utilized in planning and permitting.

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ZONE_LID (type: esriFieldTypeString, alias: ZONE_LID, SQL Type: sqlTypeOther, length: 5, nullable: true, editable: true, Coded Values: [1000: A], [1001: AE], [1002: AH], ... 13 more ...)
ZONSUB_LID (type: esriFieldTypeString, alias: ZONSUB_LID, SQL Type: sqlTypeOther, length: 5, nullable: true, editable: true, Coded Values: [1000: FLOODWAY], [1010: COLORADO RIVER FLOODWAY], [1020: 0.2 PCT ANNUAL CHANCE FLOOD HAZARD CONTAINED IN STRUCTURE], ... 20 more ...)
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V_FLDARID (type: esriFieldTypeString, alias: V_FLDARID, SQL Type: sqlTypeOther, length: 25, nullable: true, editable: true)
GlobalID (type: esriFieldTypeGlobalID, alias: GlobalID, SQL Type: sqlTypeOther, length: 38, nullable: false, editable: false)
created_user (type: esriFieldTypeString, alias: created_user, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: false)
created_date (type: esriFieldTypeDate, alias: created_date, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: false)
last_edited_user (type: esriFieldTypeString, alias: last_edited_user, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: false)
last_edited_date (type: esriFieldTypeDate, alias: last_edited_date, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: false)
Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

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Layer: FloodRiskFootprintsPerTract2015 (2)

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OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
TRACTCE (type: esriFieldTypeString, alias: TRACTCE, SQL Type: sqlTypeOther, length: 6, nullable: true, editable: true)
GEOID (type: esriFieldTypeString, alias: GEOID, SQL Type: sqlTypeOther, length: 11, nullable: true, editable: true)
NAMELSAD (type: esriFieldTypeString, alias: NAMELSAD, SQL Type: sqlTypeOther, length: 20, nullable: true, editable: true)
Footprints (type: esriFieldTypeString, alias: Footprints, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
NumberFootprints (type: esriFieldTypeSmallInteger, alias: Number of Footprints, SQL Type: sqlTypeOther, nullable: true, editable: true)
CreationDate (type: esriFieldTypeDate, alias: CreationDate, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: false)
Creator (type: esriFieldTypeString, alias: Creator, SQL Type: sqlTypeOther, length: 128, nullable: true, editable: false)
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Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

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NumberFootprints: 0

NumberFootprints: 2.5

NumberFootprints: 11

NumberFootprints: 34.5

NumberFootprints: 65.5

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