Name: SRK_DM_InfrastructureVulnerability
Display Field: PROVINCE
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: This dataset represents a district‑level infrastructure vulnerability assessment for KwaZulu‑Natal, developed by aggregating local‑municipality infrastructure vulnerability indicators to existing district municipality boundaries. The analysis is intended to support disaster risk profiling, comparative vulnerability assessment, and strategic planning at district scale.Infrastructure vulnerability was first assessed at local municipality level using household service delivery and infrastructure access indicators that reflect exposure to service failure, health risks, and reduced adaptive capacity. These indicators were compiled in the LocalMunicipalities_InfrastructureVulnerability dataset and include measures of sanitation type, cooking fuel source, and refuse disposal practices.For district‑level aggregation, centroid point features were generated from the LocalMunicipalities_InfrastructureVulnerability polygons, with each centroid retaining the associated municipal‑level infrastructure vulnerability attributes. These centroid points were spatially joined to pre‑existing district municipality polygons using a spatial containment relationship.A one‑to‑one spatial join was applied, and municipal‑level infrastructure vulnerability values were summed for each district. The resulting field represents the aggregated infrastructure vulnerability score for each district municipality and reflects the combined contribution of local municipalities within that district.Infrastructure vulnerability values are relative and comparative, not absolute measures of infrastructure condition or service adequacy. Districts with higher aggregated values are interpreted as exhibiting greater concentrations of infrastructure‑related vulnerability, particularly in relation to sanitation, energy access, and waste management deficiencies. This dataset is intended to be interpreted alongside district‑level social and economic vulnerability layers as part of an integrated, multi‑dimensional vulnerability assessment.This is a screening‑level analytical product and does not represent real‑time service delivery conditions or engineering‑level infrastructure assessments.
Service Item Id: 77b22bc322584df5a1022586f512660c
Copyright Text: Produced by Herman Booysen, SRK Consulting.
Project context: Disaster Management and climate risk assessment for KwaZulu‑Natal.
Default Visibility: true
MaxRecordCount: 2000
Supported Query Formats: JSON, geoJSON, PBF
Min Scale: 0
Max Scale: 0
Supports Advanced Queries: true
Supports Statistics: true
Has Labels: true
Can Modify Layer: true
Can Scale Symbols: false
Use Standardized Queries: true
Supports Datum Transformation: true
Extent:
XMin: 28.873479941000028
YMin: -31.082629940999936
XMax: 32.944984945000044
YMax: -26.804419936999977
Spatial Reference: 4148
(4148)
Drawing Info:
Renderer:
Class Breaks Renderer:
Field: TotalInfrastructureVulnerability
Min. Value: 3.0
ClassBreakInfos:
-
Class Maximum Value: 3
Label: 3.000000
Description: N/A
Symbol:
Style: esriSFSSolid
Color: [76, 230, 0, 255]
Outline:
Style: esriSLSSolid
Color: [110, 110, 110, 255]
Width: 0
-
Class Maximum Value: 7
Label: 3.000001 - 7.000000
Description: N/A
Symbol:
Style: esriSFSSolid
Color: [176, 235, 0, 255]
Outline:
Style: esriSLSSolid
Color: [110, 110, 110, 255]
Width: 0
-
Class Maximum Value: 10
Label: 7.000001 - 10.000000
Description: N/A
Symbol:
Style: esriSFSSolid
Color: [242, 202, 0, 255]
Outline:
Style: esriSLSSolid
Color: [110, 110, 110, 255]
Width: 0
-
Class Maximum Value: 13
Label: 10.000001 - 13.000000
Description: N/A
Symbol:
Style: esriSFSSolid
Color: [247, 103, 0, 255]
Outline:
Style: esriSLSSolid
Color: [110, 110, 110, 255]
Width: 0
-
Class Maximum Value: 14
Label: 13.000001 - 14.000000
Description: N/A
Symbol:
Style: esriSFSSolid
Color: [255, 0, 0, 255]
Outline:
Style: esriSLSSolid
Color: [110, 110, 110, 255]
Width: 0
Transparency: 30
Labeling Info:
Label Placement: esriServerPolygonPlacementAlwaysHorizontal
Label Expression: N/A
Use Coded Values: true
Symbol:
Color: [0, 0, 0, 255]
Background Color: N/A
Outline Color: N/A
Vertical Alignment: bottom
Horizontal Alignment: left
Right to Left: false
Angle: 0
XOffset: 0
YOffset: 0
Size: 10
Font Family: Tahoma
Font Style: normal
Font Weight: normal
Font Decoration: none
Min. Scale: 0.0
Max. Scale: 0.0
Advanced Query Capabilities:
Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: true
Supports Sql Format: false
Supports Query Analytic: true
Supports Query With Current User: true
HasZ: false
HasM: false
Has Attachments: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Type ID Field: null
Fields:
-
OBJECTID
(
type: esriFieldTypeOID, alias: OBJECTID
)
-
PROVINCE
(
type: esriFieldTypeString, alias: PROVINCE, length: 50
)
-
DISTRICT_N
(
type: esriFieldTypeString, alias: DISTRICT_N, length: 100
)
-
TotalVulnerability2
(
type: esriFieldTypeDouble, alias: TotalVulnerability2
)
-
Shape_Length_1
(
type: esriFieldTypeDouble, alias: Shape_Length_1
)
-
Shape_Area_1
(
type: esriFieldTypeDouble, alias: Shape_Area_1
)
-
OBJECTID_1_12
(
type: esriFieldTypeInteger, alias: OBJECTID_1_12
)
-
Join_Count_1
(
type: esriFieldTypeInteger, alias: Join_Count_1
)
-
TARGET_FID_1
(
type: esriFieldTypeInteger, alias: TARGET_FID_1
)
-
TotalInfrastructureVulnerability
(
type: esriFieldTypeDouble, alias: TotalInfrastructureVulnerability
)
-
Shape_Length_12
(
type: esriFieldTypeDouble, alias: Shape_Length_12
)
-
Shape_Area_12
(
type: esriFieldTypeDouble, alias: Shape_Area_12
)
-
Shape
(
type: esriFieldTypeGeometry, alias: Shape
)
-
Shape.STArea()
(
type: esriFieldTypeDouble, alias: Shape.STArea()
)
-
Shape.STLength()
(
type: esriFieldTypeDouble, alias: Shape.STLength()
)
Supported Operations:
Query
Query Attachments
Query Analytic
Generate Renderer
Return Updates
Iteminfo
Thumbnail
Metadata