Public Safety Stations of Loudoun County, VA (2011)

Metadata also available as

Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator:
Loudoun County, Virginia, Department of Fire & Rescue & Emergency Management
Publication_Date: 20111018
Publication_Time: 000000
Title: Public Safety Stations of Loudoun County, VA (2011)
Geospatial_Data_Presentation_Form: vector digital data
Online_Linkage: see distribution information
Description:
Abstract:
This Data set consists of point locations representing the building location of Public Safety Structures. Types of structures included are: Fire and Rescue stations, Sheriff Stations and Police Stations.
Purpose:
This layer is used to identify the location of Public Safety Buildings for purposes of producing Map products as well as performing analysis of distance and time for services area determinations as well as response time estimates to an identified location.
Supplemental_Information:
Data are stored in the corporate ArcSDE Geodatabase as a point feature class. The coordinate system is Virginia State Plane (North), Zone 4501, datum NAD83 HARN (vertical datum, if applicable, NAVD88), US Survey foot units.
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -77.771132
East_Bounding_Coordinate: -77.378902
North_Bounding_Coordinate: 39.290567
South_Bounding_Coordinate: 38.916719
Keywords:
Theme:
Theme_Keyword_Thesaurus: none; employee generated
Theme_Keyword: Fire Stations
Theme_Keyword: Rescue Stations
Theme_Keyword: Police Stations
Theme_Keyword: Sheriff Stations
Place:
Place_Keyword_Thesaurus: none; employee generated
Place_Keyword: County
Place_Keyword: Loudoun
Place_Keyword: Virginia
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Categories
Theme_Keyword: society
Theme_Keyword: health
Access_Constraints: None
Use_Constraints:
These data were generated for use by Loudoun County and are available to the public. These data are intended for use at 1:2400 scale or smaller. Acknowledgement of Loudoun County would be appreciated in products derived from this data.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
Loudoun County, VA, Department of Fire, Rescue, & Emergency Management
Contact_Address:
Address_Type: mailing and physical
Address: 16600 Courage Court S.E.
City: Leesburg
State_or_Province: VA
Postal_Code: 20175
Country: US
Contact_Voice_Telephone: (703)777-0333
Hours_of_Service: 8:00-5:00 EST, M-F
Native_Data_Set_Environment:
Microsoft Windows Server 2008 Version 6.0 (Build 6002) Service Pack 2; ESRI ArcGIS 10.0.3.3600
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Retention of attribute accuracy throughout the coverage to geodatabase feature class coversion process was ensured by a QA/QC programmatic check. To meet satisfactory QA/QC requirements the input coverage and output feature class must have, on a record by record basis, identical attribution when comparing all concatenated fields to all the user-defined attribution.
Logical_Consistency_Report: Topologically clean
Completeness_Report:
Features may have been eliminated or generalized due to scale and intended use. To assist Loudoun County, Virginia in the maintenance of the data, please provide any information concerning discovered errors, omissions, or other discrepancies found in the data.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Retention of coordinate accuracy throughout the coverage to geodatabase feature class conversion process was ensured by a QA/QC programmatic check. To meet satisfactory QA/QC requirements the input coverage and output feature class must have the same record total, and on a record by record basis, area, perimeter, and length differential of less than +/- 0.5%.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Department of Fire & Rescue & Emergency Management
Publication_Date: unknown
Type_of_Source_Media: None
Process_Step:
Process_Description:
Original data was created by heads up digitizing approximate location of the station using existing data as a back drop. Location later validated by aerial photography for placement on the building structure.
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Department of Fire & Rescue & Emergency Management
Process_Step:
Process_Description:
This data set was part of a batch process that converted legacy data from ArcInfo coverage in Librarian to a single-tiled ArcInfo coverage in preparation for a final coversion to ArcSDE Geodatabase Feature Classes. Data were extracted from Librarian using the EXTRACT TOPOLOGICAL command. Multi-tiled data sets were extracted into multiple coverages and then combined based on the feature type(s). Layers with both polygon and arc feature classes were processed with the Arc commands, MAPJOIN and DISSOLVE. Arc feature classes alone were processed with the Arc commands, APPEND and DISSOLVE. Layers with both arc and point feature classes and point feature classes alone were processed with the Arc command, APPEND. When used, the Arc command, DISSOLVE, was given with the <#all> option. All coverages were then reprojected to HARN 83 using the following .prj file specifications: INPUT PROJECTION STATEPLANE UNITS FEET ZONE 5551 DATUM NAD27 NADCON PARAMETERS OUTPUT PROJECTION STATEPLANE UNITS FEET FIPSZONE 4501 DATUM HPGN NADCON PARAMETERS END This dataset was then converted to a feature class in a geodatabase in ArcSDE.
Process_Date: unknown
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Loudoun County, VA, OMAGI
Contact_Position: GIS Systems Analyst
Spatial_Data_Organization_Information:
Indirect_Spatial_Reference: Loudoun County
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Entity point
Point_and_Vector_Object_Count: 32
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: NAD 1983 HARN StatePlane Virginia North FIPS 4501 Feet
Lambert_Conformal_Conic:
Standard_Parallel: 38.03333333333333
Standard_Parallel: 39.2
Longitude_of_Central_Meridian: -78.5
Latitude_of_Projection_Origin: 37.66666666666666
False_Easting: 11482916.66666666
False_Northing: 6561666.666666666
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.00020833333333333297
Ordinate_Resolution: 0.00020833333333333297
Planar_Distance_Units: Foot_US
Geodetic_Model:
Horizontal_Datum_Name: D North American 1983 HARN
Ellipsoid_Name: GRS 1980
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257222101
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: GISDBB.GISBROW.PSSTATIONS_POINT
Attribute:
Attribute_Label: OBJECTID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: PS_CO
Attribute_Definition: Public Safety company number
Attribute_Definition_Source: Fire & Rescue & Emergency Management
Attribute_Domain_Values:
Unrepresentable_Domain: User generated text
Attribute:
Attribute_Label: PS_TYPE_HP
Attribute_Definition: Unique code to identify type of station
Attribute_Definition_Source: Fire & Rescue & Emergency Management
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: See Overview Description for data dictionary of attribute
Attribute:
Attribute_Label: PS_NAME
Attribute_Definition: Name of station
Attribute_Definition_Source: Fire & Rescue & Emergency Management
Attribute_Domain_Values:
Unrepresentable_Domain: User defined text
Attribute:
Attribute_Label: PS_STATUS
Attribute_Definition: Unique two letter code to identify status of use
Attribute_Definition_Source: Fire & Rescue & Emergency Management
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: See Overview Description for data dictionary of attribute
Attribute:
Attribute_Label: PS_UPD_SOURCE
Attribute_Definition: Source that created or edited feature class
Attribute_Definition_Source: Loudoun County
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: See Overview Description for data dictionary of attribute
Attribute:
Attribute_Label: PS_UPD_DATE
Attribute_Definition: Date that feature class was created or edited
Attribute_Definition_Source: Loudoun County
Attribute_Domain_Values:
Unrepresentable_Domain: User generated text
Attribute:
Attribute_Label: PS_UPD_USER
Attribute_Definition:
Not for public distribution. Internal User ID of editor creating or modifying a feature
Attribute_Definition_Source: Loudoun County
Attribute:
Attribute_Label: SHAPE
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Overview_Description:
Entity_and_Attribute_Overview: PS_TYPE_HP: Unique code to identify type of station
Entity_and_Attribute_Detail_Citation:
Code Station Type
F Fire PO Police R Rescue SO Sheriff
Overview_Description:
Entity_and_Attribute_Overview: PS_STATUS: Unique two letter code to identify status of use
Entity_and_Attribute_Detail_Citation:
Code Status
EX Existing FU Future TP Temporary
Overview_Description:
Entity_and_Attribute_Overview: PS_UPD_SOURCE: Source that created or edited feature class
Entity_and_Attribute_Detail_Citation:
Source Explanation
0 Undetermined 1 Legacy 2 County 3 Contract
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Loudoun County, VA, OMAGI
Contact_Position: Public Information Counter
Contact_Address:
Address_Type: mailing and physical
Address: MS 65
Address: 1 Harrison Street S.E., 2nd floor
City: Leesburg
State_or_Province: VA
Postal_Code: 20175
Country: US
Contact_Voice_Telephone: (703)771-5778
Contact_Facsimile_Telephone: (703)771-5075
Contact_Electronic_Mail_Address: mapping@loudoun.gov
Hours_of_Service: 8:00-4:30 EST, M-F
Distribution_Liability: See access and use constraints information.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: DXF
Format_Specification: AutoCad Digital Exchange File
Digital_Transfer_Option:
Offline_Option:
Offline_Media: dvd
Fees:
Loudoun County distributes spatial data in ArcGIS database or shapefile & DXF format for the cost of reproduction. Countywide spatial datasets may be purchased for $22 per DVD for up to 4.5 GB of data. There is a $100 surcharge to purchase countywide topography, and a $3 charge if the item is to be mailed. If the customer wants the data in DXF format and/or would like OMAGI to custom select specific geographic areas of the County, there is an additional $7 per 15 minute increment labor charge. Select aerial imagery is also available.
Ordering_Instructions:
Size limit: 4.5 GB. Visit our website at: <http://www.loudoun.gov/omagi>, click on "Loudoun County Mapping Documents & Order Forms." The "Forms" directory will lead you to custom & standard (countywide) data order forms. Hardcopy maps may also be available; please contact the Mapping Office Public Information Counter for more information regarding all data requests.
Metadata_Reference_Information:
Metadata_Date: 20120619
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Loudoun County, VA, OMAGI
Contact_Position: Metadata Specialist
Contact_Address:
Address_Type: mailing and physical
Address: MS 65
Address: 1 Harrison Street SE, 2nd Floor
City: Leesburg
State_or_Province: VA
Postal_Code: 20175
Country: US
Contact_Voice_Telephone: (703)771-5778
Contact_Facsimile_Telephone: (703)771-5075
Contact_Electronic_Mail_Address: mapping@loudoun.gov
Hours_of_Service: 8:00-4:30 EST, M-F
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Use_Constraints:
This metadata reflects the source Geodatabase format and specific elements may not apply if your data is exported to SHP or DXF products. User must be aware that changes to data schema occur during data export that may not be reflected in this metadata, which represents Loudoun County's corporate geodatabase. Acknowledgement of Loudoun County would be appreciated in the use of this metadata.
Generated by mp version 2.9.6 on Tue Jun 19 15:27:22 2012