Leveling marker of the geodesic canvas of Saint-Nazaire Agglomeration - CARENE

The topographical canvas covers the entire territory of the agglomeration of Saint-Nazaire. It is a set of geodetic points of support, materialized on the ground, known in planimetric position (X, Y) and altimetry (Z) and serving as a framework for the realization of a topographic survey. This canvas is used for all topographic survey work on Community territory. It facilitates the production of coherent and homogeneous graphic documents. The altimetry of the canvas (leveling marker) makes it easy to obtain altimetry dimensions of a piece of land, the latter being necessary for the instruction of a building permit, the construction of an art work, a road, a building, etc. Accuracy (Z) less than 2cm. X, Y given as an indication. [Click here to discover the data sheet](https://data.saintnazaireagglo.fr/api/datasets/1.0/244400644_canevas_points_geodesique/attachments/a5_sna_fiche_donnees_canevas_bdpage_pdf/) Saint-Nazaire Agglomeration - CARENE (Trignac, Besné, La Chapelle-des-Marais, Donges, Montoir-de-Bretagne, Pornichet, Saint-André-des-Eaux, Saint-Joachim, Saint-Malo-de-Guersac, Saint-Nazaire)