Name: Potential Sump Conditions
Display Field: CATEGORY
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: The Potential Sump Conditions layer is the result of analysis performed on the 2018 Light Detection and Ranging (LiDAR) derived, Bare Earth Digital Elevation Model (DEM) and LAS Dataset. Please see the Data Capture Methodology section of this document for detailed information on how this dataset was created. This dataset is intended for internal use to aid in the following use cases:
In concert with other spatial and field information, tool to prioritize sump conditions where structures may potentially be impacted based on depth of ponding, overland drainage area, and elevation of ground-level openings in structure.
Ensure that proposed elevations of entry points into redeveloped structures (ie. areaways, walk-in basements, window wells) are adequately protected or situated away from the sumps if part of the redeveloped property is in a sump.
Contact: Land Development Services
Data Accessibility: Publicly Available
Update Frequency: As Needed
Last Revision Date: 12/15/2020
Creation Date: 12/15/2020
Layer Name: LDSAMGR.POTENTIAL_SUMP_CONDITIONS
Copyright Text: Fairfax County, Virginia; Land Development Services
Min. Scale: 24000
Max. Scale: 0
Default Visibility: false
Max Record Count: 2000
Supported query Formats: JSON, geoJSON, PBF
Use Standardized Queries: True
Extent:
XMin: 11758275.7250199
YMin: 6911060.87258446
XMax: 11898884.9749688
YMax: 7068099.48960896
Spatial Reference: 102746 (2283)
Drawing Info:
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HasZ: false
HasM: false
Has Attachments: false
Has Geometry Properties: true
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Object ID Field: OBJECTID
Unique ID Field:
IsSystemMaintained : True
Global ID Field: GLOBALID
Type ID Field:
Fields:
- OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
- CATEGORY (type: esriFieldTypeString, alias: Category:, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true, Coded Values: [Intersects with Inlets: Intersects with Inlets], [Intersects with Manholes: Intersects with Manholes], [Intersects with Roads: Intersects with Roads], ... 7 more ...)
- SUMP_AREA (type: esriFieldTypeDouble, alias: Sump area 2D (sqft):, SQL Type: sqlTypeOther, 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: 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)
- SUMP_SURFACE_AREA (type: esriFieldTypeDouble, alias: Surface area 3D (sq ft):, SQL Type: sqlTypeOther, nullable: true, editable: true)
- MAX_ELEVATION (type: esriFieldTypeDouble, alias: Maximum elevation (ft):, SQL Type: sqlTypeOther, nullable: true, editable: true)
- MIN_ELEVATION (type: esriFieldTypeDouble, alias: Minimum elevation (ft):, SQL Type: sqlTypeOther, nullable: true, editable: true)
- SUMP_DEPTH (type: esriFieldTypeDouble, alias: Maximum sump depth (ft):, SQL Type: sqlTypeOther, nullable: true, editable: true)
- SUMP_VOLUME (type: esriFieldTypeDouble, alias: Sump volume (cu ft):, SQL Type: sqlTypeOther, nullable: true, editable: true)
- OVERLAND_RELIEF_DRAINAGE_AREA (type: esriFieldTypeDouble, alias: Overland relief drainage area (ac):, SQL Type: sqlTypeOther, nullable: true, editable: true)
- COMMENT (type: esriFieldTypeString, alias: Comment:, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
- 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)
Templates:
Name: PotentialSumpConditions
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Is Data Versioned: false
Has Contingent Values: false
Supports Rollback On Failure Parameter: true
Last Edit Date: 2/1/2025 7:48:39 AM
Schema Last Edit Date: 2/1/2025 7:48:39 AM
Data Last Edit Date: 2/1/2025 7:48:34 AM
Supported Operations:
Query
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Generate Renderer
Validate SQL
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ConvertFormat