Abstract: The Base Features Access Powerline spatial layer is the authoritative source of powerline data for the province of Alberta. It is a part of the Access data collection which also includes railways, roads, cutlines and trails, and industrial facilities.
Metadata: 
  File identifier: 
      2F7EF4C4-ECDD-423E-A8E0-0ED3940140C2
  Language: 
    Language Code: 
      eng
  Character set: 
    Character set code: 
      utf8
  Hierarchy level: 
    Scope code: 
      dataset
  Metadata author: 
    Responsible party: 
      Organisation name: 
          Alberta Environment and Protected Areas, Government of Alberta
      Position name: 
          Provincial Geospatial Centre
      Contact info: 
        Contact: 
          Address: 
            Address: 
              Delivery point: 
                  14th Floor, Oxbridge Place
              Delivery point: 
                  9820 - 106 Street NW
              City: 
                  Edmonton
              Administrative area: 
                  Alberta
              Postal code: 
                  T5K 2J6
              Country: 
                Country: 
                  CA
              Electronic mail address: 
                  AEP.GDAMetadata@gov.ab.ca
          Hours of service: 
              08:15 to 16:30 Monday to Friday
      Role: 
        Role code: 
          publisher
  Date stamp: 

      2023-11-10
  Metadata standard name: 
      NAP - Metadata
  Metadata standard version: 
      1.2
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Spatial representation info:

Vector spatial representation: Topology level: Topology level code: geometryOnly Geometric objects: Geometric objects: Geometric object type: Geometric object type code: composite Geometric object count: 2397
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Reference system info:

Reference system: Reference system identifier: RS Identifier: Code: 3400 Code Space: EPSG Version: 6.11(9.3.0.0)
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Identification info:

Data identification: Citation: Citation: Title: Powerlines Date: Date: Date: 2023-11-08 Date type: Date type code: publication Date: Date: Date: 2023-07-31 Date type: Date type code: revision Cited responsible party: Responsible party: Organisation name: Alberta Environment and Protected Areas, Government of Alberta Position name: Provincial Geospatial Centre Contact info: Contact: Address: Address: Delivery point: 9820 - 106 Street NW Delivery point: 14th Floor, Oxbridge Place City: Edmonton Administrative area: Alberta Postal code: T5K 2J6 Country: Country: CA Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: originator Abstract: The Base Features Access Powerline spatial layer is the authoritative source of powerline data for the province of Alberta. It is a part of the Access data collection which also includes railways, roads, cutlines and trails, and industrial facilities. Purpose: This layer provides a representation of the high-voltage power line (greater than 69 kV) corridors in the province of Alberta. Status: Progress code: completed Point of contact: Responsible party: Organisation name: Alberta Environment and Protected Areas, Government of Alberta Position name: Provincial Geospatial Centre Contact info: Contact: Address: Address: Delivery point: 14th Floor, Oxbridge Place Delivery point: 9820 - 106 Street NW City: Edmonton Administrative area: Alberta Postal code: T5K 2J6 Country: Country: CA Electronic mail address: AEP.GDAMetadata@gov.ab.ca Hours of service: 08:15 to 16:30 Monday to Friday Contact instructions: This is the point of contact regarding the creation of, and characteristics of, the data set. Queries about the creation and/or characteristics of the data set submitted through electronic mail must include the salutation "Attention: Provincial Geospatial Centre; Dataset: Powerlines". For Distribution Information contact instructions, refer to the Distribution Information section of this metadata record. For Metadata Information contact instructions, refer to the Metadata Reference Information section of this metadata record. Role: Role code: pointOfContact Resource maintenance: Maintenance information: Maintenance and update frequency: Maintenance frequency code: annually Date of next update: 2024-07-31 Descriptive keywords: Keywords: Keyword: Alberta, Canada Type: Keyword type code: place Descriptive keywords: Keywords: Keyword: Transmission Keyword: Power Keyword: Electric Keyword: Corridor Type: Keyword type code: theme Resource constraints: Legal constraints: Access constraints: Restriction code: otherRestrictions Other constraints: To access the data you must agree to the terms of the Open Government Licence - Alberta found at https://open.alberta.ca/licence Resource constraints: Legal constraints: Use limitation: Your use of this information will be governed by the terms of the Open Government Licence - Alberta, in force as of the date you accessed the information, found at https://open.alberta.ca/licence Use constraints: Restriction code: license Resource constraints: Legal constraints: Use limitation: Distribution Liability: Under the terms of the Open Government Licence - Alberta, the Information is licensed as is, and the Information Provider excludes all representations, warranties, obligations, and liabilities, whether express or implied, to the maximum extent permitted by law. The Information Provider is not liable for any errors or omissions in the Information, and will not under any circumstances be liable for any direct, indirect, special, incidental, consequential, or other loss, injury or damage caused by its use or otherwise arising in connection with this licence or the Information, even if specifically advised of the possibility of such loss, injury or damage. Resource constraints: Security constraints: Classification: Classification code: unclassified User note: Public/Unrestricted Classification system: Government of Alberta Data and Information Security Classification Handling description: https://imtpolicy.sp.alberta.ca/standards/Pages/Data-and-Information-Security-Classification.aspx Spatial representation type: Spatial representation type code: vector Language: Language Code: eng Character set: Character set code: utf8 Topic category: Topic category code: utilitiesCommunication Environment description: Esri ArcGIS Pro Version 3.0.2 Extent: Extent: Description: ground condition Temporal element: Temporal extent: Extent: Time period: Begin date: 2012-01-01T00:00:00 End date: 2021-12-31T00:00:00 Extent: Extent: Geographic element: Geographic bounding box: Extent type code: true West bound longitude: -120.384854 East bound longitude: -108.640811 South bound latitude: 49.157199 North bound latitude: 60.046975
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DISTRIBUTION INFO:

Distribution: Distribution format: Format: Name: File Geodatabase Version: 3.0 Specification: FGDB File decompression technique: ZIP Distribution format: Format: Name: Shapefile Version: 3.0 Specification: SHP File decompression technique: ZIP Distributor: Distributor: Distributor contact: Responsible party: Organisation name: Altalis Ltd. Contact info: Contact: Phone: Telephone: Voice: 4037163490 Facsimile: 4037163494 Address: Address: Delivery point: Suite 1550, 635 - 8 Avenue SW City: Calgary Administrative area: Alberta Postal code: T2P 3M3 Country: Country: CA Electronic mail address: support@altalis.com Hours of service: 08:00 to 16:30 Monday to Friday Contact instructions: The layer is a part of the Base Features product which can be accessed and downloaded via the Open Data option from Altalis Ltd. Role: Role code: distributor Distribution Order Process: Standard order process: Fees: This layer is included in the Base Features product for free under the Open Government Licence - Alberta. Ordering instructions: The layer is a part of the Base Features product which can be accessed and downloaded via the Open Data option from Altalis Ltd. Turnaround: Direct download Transfer options: Digital transfer options: Online: Online Resource: Linkage: URL: https://geospatial.alberta.ca/titan/rest/services/utility/access_utility/MapServer Protocol: REST Name: utility/access_utility (MapServer) Description: Web service containing Powerlines dataset Function: Online function code: webService Transfer options: Digital transfer options: Online: Online Resource: Linkage: URL: https://www.altalis.com/map;id=201 Protocol: HTTPS Name: Altalis Ltd. Description: The layer is a part of the Base Features product which can be accessed and downloaded via the Open Data option from Altalis Ltd. Function: Online function code: download
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Data quality info:

Data quality: Scope: Scope: Hierarchy level: Scope code: dataset Report: Conceptual consistency: Measure description: Lineal features representing powerline arcs are continuous throughout their length and attribute classification. Lineal powerline arcs which cross or intersect other powerline arcs within the same coverage are precisely joined at that point, forming a node at the junction. Nodes do not exist at the junctions of features in other coverages. Topology rules have been applied and validated to exclude errors such as duplicates, overshoots, undershoots, and overlaps in any of these features. Result: missing Report: Completeness omission: Measure description: Main powerlines visible in the imagery are digitized, classified, and integrated within the provincial boundary of Alberta. Result: missing Report: Quantitative attribute accuracy: Measure description: Attribute information is populated at time of data collection and is reviewed by Government of Alberta staff to ensure the attribution correctly reflects the details in the imagery used for collection. Evaluation method description: Audit on selected townships Result: missing Report: Absolute external positional accuracy: Measure description: It is acknowledged that the positional accuracy of the data is dependent on the inherent accuracy and resolution of the imagery used, sufficient care and control of procedures used for feature interpretation and digitizing have been used to attain the "Positional Accuracy" identified below. All features visible in the imagery and listed in the specifications have been digitized, classified, and integrated. Evaluation method description: Positional accuracy of Orthophoto and SPOT image updates. Result: Quantitative result: Value unit: gml:UnitDefinition: Identifier: Unified Code of Units of Measure gml:catalogSymbol: m Value: 10 Lineage: Lineage: Statement: Electrical Transmission Line: - Through on screen digitizing, points are captured which follow the centre line of the transmission corridor.
              
Updates performed by contract work are returned to Alberta Environment and Protected Areas staff for review and audit. Approved data is loaded into repository. Process step: Process step: Description: NTS block updates from 2014 SPOT imagery/2013 Orthophoto Imagery: 73L, 74D, 83P and partial NTS block updates 72L, 74E, 82I, 82J, 82O, 82N, 83F, 83I, 83K and 83O Date and time: 2016-09-28T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Parks, Government of Alberta Position name: Information and Data Provisioning Services, Provincial Geospatial Centre Contact info: Contact: Address: Address: Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Process step: Process step: Description: NTS block updates from 2015/16 SPOT imagery and 2014 Orthophoto Imagery: 72L, 72E, 82H, 73L, 73M, 83O, 84A, 74E and partial NTS block updates 82I, 83B, 83G, 83C, 83D, and 83P Date and time: 2017-08-29T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Parks, Government of Alberta Position name: Information and Data Provisioning Services, Provincial Geospatial Centre Contact info: Contact: Address: Address: Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Process step: Process step: Description: NTS block updates from 2016 SPOT imagery: 82G, 73D, 83H and partial NTS block updates 83C, 83K, and 84B Date and time: 2018-03-05T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Parks, Government of Alberta Position name: Geospatial Center of Excellence, Corporate Services Division Contact info: Contact: Address: Address: Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Process step: Process step: Description: NTS block updates from 2016/17 SPOT imagery: partial NTS block updates 72M, 83A, 83B, 83G, 83K, 83L, and 84B Date and time: 2018-07-11T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Parks, Government of Alberta Position name: Provincial Geospatial Centre Contact info: Contact: Address: Address: Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Process step: Process step: Description: NTS block updates from 2017 SPOT imagery: NTS block updates 84L, 84O, 84I. Partial NTS block updates 84F, 84D, 83J, and 83F Date and time: 2018-12-05T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Parks, Government of Alberta Position name: Provincial Geospatial Centre Contact info: Contact: Address: Address: Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Process step: Process step: Description: NTS block updates from 2017 SPOT imagery: NTS block updates 84E, 84J, 84N. Partial NTS block updates 84M, 84K, 84F, 84G, 83J, 83A, and 82P Date and time: 2019-06-28T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Parks, Government of Alberta Position name: Provincial Geospatial Centre Contact info: Contact: Address: Address: Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Process step: Process step: Description: NTS block updates from 2018 SPOT imagery: NTS block updates 73E, 74D, 74L, 74M, and 84H. Partial NTS block updates 82I, 82N, 82O, 82P, 83A, 83L, 83P, 84G, and 84M Date and time: 2020-04-15T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Parks, Government of Alberta Position name: Provincial Geospatial Centre Contact info: Contact: Address: Address: Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Process step: Process step: Description: Following 250K NTS mapsheets have been updated from 2019 SPOT satellite imagery (1.5m): 74E, 84A, 83O, 73L. The following mapsheets were partially updated: 84G, 84C, 83M, 83N, 83I, 83F, 83G, 83B, 82P, 82J, 82I. Date and time: 2021-07-23T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Parks, Government of Alberta Position name: Provincial Geospatial Centre Contact info: Contact: Address: Address: Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Process step: Process step: Description: Following 250K NTS mapsheets have been updated from 2020 SPOT satellite imagery (1.5m): 72L, 82G, 83K. The following mapsheets were partially updated: 82H, 72E, 82O, 83F, 83I, 83M, 83N, 83P, 84C. Date and time: 2022-07-20T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Parks, Government of Alberta Position name: Provincial Geospatial Centre Contact info: Contact: Address: Address: Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Process step: Process step: Description: Following 250K NTS mapsheets have been updated from 2021 SPOT satellite imagery (1.5m): 84B, 73M, 83H, 83D. The following mapsheets were partially updated: 83P, 83I, 83F, 83G, 83B, 83A, 73D, 82O, 82I, 82H, 72E. Date and time: 2023-07-13T00:00:00 Processor: Responsible party: Organisation name: Alberta Environment and Protected Areas, Government of Alberta Position name: Provincial Geospatial Centre Contact info: Contact: Address: Address: Delivery point: 9820 - 106 Street NW Delivery point: 14th Floor, Oxbridge Place City: Edmonton Administrative area: Alberta Postal code: T5K 2J6 Country: Country: CA Electronic mail address: AEP.GDAMetadata@gov.ab.ca Role: Role code: processor Source: Source: Description: Field data collected using Global Positioning System (GPS) receivers. Various origins and data quality. Source citation: Citation: Title: GPS Field Data Collection Alternate title: GPS Field Data Collection Date: missing Cited responsible party: missing Source: Source: Description: Ortho-rectified aerial imagery purchased by the Government of Alberta for various projects and covering portions of the province. Source citation: Citation: Title: Ortho Photography Alternate title: Ortho Photography Date: missing Cited responsible party: missing Source: Source: Description: The National Topographic Data Base (NTDB) comprises digital vector data sets that cover the entire Canadian landmass. The NTDB includes features such as watercourses, urban areas, railways, roads, vegetation, and relief. The organizational unit for the NTDB is the National Topographic System (NTS), based on the North American Datum of 1983 (NAD83). Each file (data set) consists of one NTS unit at either the 1:50,000 or 1:250,000 scale. This is a legacy product and no longer used in Access Update program. Source citation: Citation: Title: National Topographic Database Alternate title: National Topographic Database Date: missing Cited responsible party: missing Source: Source: Description: SPOT is a commercial high-resolution optical imaging Earth observation satellite system operating from space. Source citation: Citation: Title: SPOT Satellite Imagery Alternate title: SPOT Satellite Imagery Date: missing Cited responsible party: missing Source: Source: Description: Images from Indian Remote Sensing (IRS) satellite program. No longer being used in Access Update program. Source citation: Citation: Title: IRS Satellite Imagery Alternate title: IRS Satellite Imagery Date: missing Cited responsible party: missing Source: Source: Description: Images from the IKONOS satellite program. Decommissioned by DigitalGlobe on March 31, 2015 and no longer used in Access Update program. Source citation: Citation: Title: IKONOS Satellite Imagery Alternate title: IKONOS Satellite Imagery Date: Date: Date: 2015-03-31 Date type: Date type code: notAvailable Cited responsible party: missing Source: Source: Description: Aerial imagery purchased by the Government of Alberta for various projects and covering portions of the province. Source citation: Citation: Title: Aerial Photography Alternate title: Aerial Photography Date: missing Cited responsible party: missing
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Metadata maintenance:

Maintenance information: Maintenance and update frequency: Maintenance frequency code: asNeeded
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