Basement Technical Cadastre (CTSS) - Heating Probe Areas

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This dataset is part of the Technical Basement Cadastre (CTSS) maintained by the Geneva territorial information system (SITG) for the canton of Geneva, Switzerland. It identifies and records underground objects—pipes, structures, and construction accessories—located in private and public subsoil that are not otherwise listed in the official cadastre or in specialised utility cadastres. This particular layer focuses on zones designated for geothermal heating probes, providing spatial information relevant to planning, construction, and coordination of underground infrastructure works within the canton.The purpose of the technical basement cadastre (CTSS) is to identify and report all the objects of the pipes, constructions and construction accessories, occupying the private and public basement on a permanent basis, and not appearing in the official cadastre or in the specific cadastres of the pu…

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Data schema (7 fields)

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Field	Type	Description
OBJECTID	int	Unique internal identifier for the record.Unique internal identifier for the record.
NOMBRE_DE_SONDESNombre de sondes	int	Number of heating probes within the zone.Number of heating probes within the zone.
ALTITUDE_MINAltitude min	double	Minimum altitude of the probe area.Minimum altitude of the probe area.
ALTITUDE_MAXAltitude max	double	Maximum altitude of the probe area.Maximum altitude of the probe area.
SHAPE	geometry	Geometric shape representing the probe area.Geometric shape representing the probe area.
SHAPE.AREA	double	Surface area of the probe zone geometry.Surface area of the probe zone geometry.
SHAPE.LEN	double	Perimeter length of the probe zone geometry.Perimeter length of the probe zone geometry.

Schema captured from wfs 2 days ago.

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Sample data (3 records)

Record 1ETAT: En service · GmlID: CTSS_CHAUFFAGE_ZONE_SONDES.1

{
  "ETAT": "En service",
  "GmlID": "CTSS_CHAUFFAGE_ZONE_SONDES.1",
  "FLUIDE": "Inconnu",
  "ID_ZONE": null,
  "OBJECTID": 1,
  "DIMENSION": "Profondeur 150m",
  "REMARQUES": "Pas de plan d'execution",
  "SHAPE.LEN": 123.55348558,
  "ID_DOSSIER": "DD 101659",
  "SHAPE.AREA": 861.07625,
  "ALTITUDE_MAX": 0,
  "ALTITUDE_MIN": 0,
  "NOMBRE_DE_SONDES": 23,
  "DETERMINATION_PLANIMETRIQUE": "Imprécis"
}

Record 2ETAT: Inconnu · GmlID: CTSS_CHAUFFAGE_ZONE_SONDES.2

{
  "ETAT": "Inconnu",
  "GmlID": "CTSS_CHAUFFAGE_ZONE_SONDES.2",
  "FLUIDE": "Inconnu",
  "ID_ZONE": null,
  "OBJECTID": 2,
  "DIMENSION": null,
  "REMARQUES": "relevé de forage Augsburger SA",
  "SHAPE.LEN": 165.6989346,
  "ID_DOSSIER": "DD 105087/1",
  "SHAPE.AREA": 1648.9128,
  "ALTITUDE_MAX": 0,
  "ALTITUDE_MIN": 0,
  "NOMBRE_DE_SONDES": 1,
  "DETERMINATION_PLANIMETRIQUE": "Imprécis"
}

Record 3ETAT: En service · GmlID: CTSS_CHAUFFAGE_ZONE_SONDES.3

{
  "ETAT": "En service",
  "GmlID": "CTSS_CHAUFFAGE_ZONE_SONDES.3",
  "FLUIDE": "Glycol / Alcoll 30 %",
  "ID_ZONE": null,
  "OBJECTID": 3,
  "DIMENSION": "Diamètre 32mm Profondeur 120m",
  "REMARQUES": null,
  "SHAPE.LEN": 148.182883,
  "ID_DOSSIER": "101476",
  "SHAPE.AREA": 664.1789,
  "ALTITUDE_MAX": 481,
  "ALTITUDE_MIN": 0,
  "NOMBRE_DE_SONDES": 22,
  "DETERMINATION_PLANIMETRIQUE": "Précis"
}

Live sample captured at profiling time — values may have changed upstream.

Verification Status

Using the API

Configuration

Base URL: https://vector.sitg.ge.ch/arcgis/services/CTSS_CHAUFFAGE_ZONE_SONDES/MapServer/WFSServer?service=WFS&request=GetCapabilities

Query examples

curl -s 'https://vector.sitg.ge.ch/arcgis/services/CTSS_CHAUFFAGE_ZONE_SONDES/MapServer/WFSServer?service=WFS&version=2.0.0&request=GetCapabilities' -H 'Accept: application/json'

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