{
  "id": "bnd-wasa-central-lahore-trunk-sewer-alignments-2025",
  "recordType": "boundaryVersion",
  "placeId": "plc-pk-punjab-lahore-district",
  "name": "WASA central-Lahore wastewater project alignments",
  "boundaryKind": "project",
  "administrativePurpose": "Show how the planned central-Lahore trunk system is designed to collect wastewater and carry it to the Gulshan-e-Ravi ultimate disposal station",
  "boundaryStatus": "reconstructed",
  "observedDate": "2025-09-15",
  "geometry": {
    "status": "reconstructed",
    "basis": "official-map-georeference",
    "path": "source-data/geography/wasa-central-lahore-trunk-sewer-alignments-2025.geojson",
    "format": "GeoJSON",
    "geometryType": "Mixed",
    "coordinateReferenceSystem": "EPSG:4326",
    "featureCount": 5,
    "fileHash": "sha256:7255440bfc64ad545d6175fa7dc79653366165a5479cd4fc412ab9313c2bc5b7",
    "conversionMethod": "PDF page 59 was rendered at 180 dpi. Sparse route vertices were digitised from Figure 3-1 against its printed EPSG:32643 grid, then transformed to EPSG:4326. The three line descriptions and reported lengths were copied from section 3.2.",
    "uncertaintyNotes": "The features are city-scale project alignments. They are not shaft, parcel, excavation, catchment or as-built geometry. The ultimate disposal point is a map-derived site marker, not a surveyed footprint."
  },
  "geographicClaim": {
    "assignmentLevel": "corridor",
    "proves": "The 2025 approved project record maps three planned trunk alignments meeting at Qartaba Chowk and continuing to a planned ultimate disposal station at Gulshan-e-Ravi.",
    "doesNotProve": "It does not prove completed construction, a current household connection, the live sewer serving a property, or that a named intermediate disposal station still operates.",
    "publicDisplay": "context-only"
  },
  "serviceFunctionId": "fun-lahore-sewerage",
  "institutionIds": [
    "ins-wasa-lahore"
  ],
  "evidenceState": "reconstructed",
  "evidenceGap": "Signed construction drawings, final shaft schedule, contract progress, commissioning records and as-built GIS.",
  "citations": [
    "cit-aiib-lahore-esia-alignments"
  ],
  "lastCheckedDate": "2026-08-03",
  "reviewState": "reviewed",
  "notes": "This layer answers where the approved central-Lahore wastewater project is designed to carry flow. Planned status must remain visible at every zoom."
}