DEPARTMENT TOPOGRAPHIC carries out the studies relating to the different specialty that it is the small scale or the large scale thus with the geodesic works.

  1. Determination of the various basic polygon order patterns (1st order to 4th order) per GPS station (GS10-GS18) as well as the triangulation for the 1st and 2nd order.
  2. Photogrammetry: 1/5000 scale reproduction for all types of photos
  3. High precision leveling
  4. Different project sites (quarry, road, motorway, VOA, VOI, railway, town planning, buildings, viaduct, environment)
  5. Parcel surveys with establishments plans

IMPORTANT PROJECTS

  1. Observations by GPS station of 800 km of a polygonal base on wilayas of the big SUD (TAM, OUARGLA, ELOUED)
  2. Control of the basic polygonal 360 km railway line MECHRIA-BECHAR) by GPS station
  3. Complete topographic works including parcellaire for both braces:
    • APD 220KM motorway junction connecting the port of Ténès
    • APD 120 KM linking SIDI-BELABBES to SAIDA