{
  "schema_version": "proposed-poc-1.0",
  "data_mode": "synthetic_example",
  "disclaimer": "All asset names, locations, dimensions, thresholds, readings and forecasts are fictional examples of the format. They are not actual DBKL/JPS/MetMalaysia inventory records, sensor readings or forecasts. This is not an official agency API contract.",
  "site": {
    "site_id": "POC-DEMO-DM",
    "name": "Dataran Merdeka — example POC context",
    "status": "proposed_pilot_not_confirmed"
  },
  "metadata": {
    "source_id": "SOURCE-DEMO",
    "source_name": "Synthetic dataset for the POC guide",
    "coordinate_reference": "WGS84",
    "coordinate_order": [
      "longitude",
      "latitude"
    ],
    "timezone": "Asia/Kuala_Lumpur",
    "vertical_datum": {
      "id": "DEMO-LOCAL-DATUM",
      "name": "Fictional local datum; not an official reference level",
      "verified": false
    },
    "null_policy": "null means unknown or unavailable; never replace missing readings with zero",
    "cross_references": "Related asset IDs may be in other examples; use the combined file for all IDs."
  },
  "assets": {
    "type": "FeatureCollection",
    "features": [
      {
        "type": "Feature",
        "id": "PMP-DEMO-001",
        "geometry": {
          "type": "Point",
          "coordinates": [
            101.6942,
            3.1503
          ]
        },
        "properties": {
          "asset_id": "PMP-DEMO-001",
          "asset_type": "pump_house",
          "name": "Example pump house",
          "site_id": "POC-DEMO-DM",
          "data_mode": "synthetic_example",
          "data_owner": null,
          "verification_status": "unverified_example",
          "source_id": "SOURCE-DEMO",
          "updated_at": "2026-09-11T14:00:00+08:00",
          "intake_asset_id": "PND-DEMO-001",
          "discharge_asset_id": "RIV-DEMO-001",
          "discharge_location": {
            "type": "Point",
            "coordinates": [
              101.6956,
              3.1508
            ]
          },
          "power_supply": "grid_with_backup_generator",
          "rated_total_capacity_m3_s": 0.7,
          "pumps": [
            {
              "pump_id": "PUMP-DEMO-A",
              "rated_flow_m3_s": 0.35,
              "rated_head_m": 5.0
            },
            {
              "pump_id": "PUMP-DEMO-B",
              "rated_flow_m3_s": 0.35,
              "rated_head_m": 5.0
            }
          ],
          "control_access": "read_only_for_poc"
        }
      }
    ]
  },
  "observations": [
    {
      "observation_id": "OBS-DEMO-PMP-001",
      "asset_id": "PMP-DEMO-001",
      "source_record_id": "OBS-DEMO-PMP-001",
      "source_id": "SOURCE-DEMO",
      "observed_at": "2026-09-11T14:00:00+08:00",
      "received_at": "2026-09-11T14:00:05+08:00",
      "data_mode": "synthetic_example",
      "quality_flag": "example_unverified",
      "measurements": {
        "intake_water_surface_elevation": {
          "value": 24.2,
          "unit": "m",
          "vertical_datum_id": "DEMO-LOCAL-DATUM"
        },
        "receiving_water_surface_elevation": {
          "value": 26.4,
          "unit": "m",
          "vertical_datum_id": "DEMO-LOCAL-DATUM"
        },
        "total_discharge_flow": {
          "value": 0.3,
          "unit": "m3/s"
        },
        "total_dynamic_head": {
          "value": 4.5,
          "unit": "m"
        }
      },
      "observation_type": "pump_telemetry",
      "operating_mode": "automatic",
      "power_status": "available",
      "alarm_codes": [],
      "pump_statuses": [
        {
          "pump_id": "PUMP-DEMO-A",
          "status": "running",
          "discharge_flow_m3_s": 0.3
        },
        {
          "pump_id": "PUMP-DEMO-B",
          "status": "standby",
          "discharge_flow_m3_s": 0.0
        }
      ]
    }
  ],
  "forecasts": [],
  "incidents": []
}