These fields preserve the complete public record for checking and reuse. They are not needed for the main answer above.
- Record ID
- bnd-wasa-shadman-disposal-station-2024
- Boundary Kind
- asset-catchment
- Administrative Purpose
- Approximate asset alignment for the Shadman disposal station shown in the central-Lahore sewer project
- Boundary Status
- reconstructed
- Observed Date
- 2026-08-03
- Geometry
- Status
- reconstructed
- Basis
- official-map-georeference
- Path
- source-data/geography/wasa-shadman-disposal-station-candidate-2024.geojson
- Format
- GeoJSON
- Geometry Type
- Point
- Coordinate Reference System
- EPSG:4326
- Feature Count
- 1
- File Hash
- sha256:6ecd23acb654af00879605939f764e988d9494ddb957b8ef3934235fd8b7eca0
- Conversion Method
- The red SHADMAN D/S marker centre was read from vector SVG exports of GeoPDF pages 4 and 119. Each page point was transformed through that page's GeoPDF viewport, LPTS and GPTS control coordinates. The two independent results were 2.09 metres apart and were rounded to 31.53804, 74.32807.
- Uncertainty Notes
- Use a 75 metre positional uncertainty. The two transformations agree closely, but the source symbol has finite size, the map scale is 1:50,000 and 1:40,000, and the GeoPDF corner coordinates are rounded. This is not a surveyed asset point.
- Geographic Claim
- Assignment Level
- asset
- Proves
- Two official GeoPDF project sheets support this approximate location for the asset labeled SHADMAN D/S.
- Does Not Prove
- It does not prove a surveyed coordinate, a service or catchment boundary, the pipe serving Shadman Main Market, or that the station remains operating.
- Public Display
- context-only
- Evidence Gap
- A current WASA asset register, surveyed coordinate and lifecycle or decommissioning record.