Field Studies

The activity of the Site Survey Department consists of performing and verifying the geotechnical, topographical and survey works.
The Site Survey Department is structured in many compartments: geotechnical and topographical and the office for land acquisition and survey.
The department performs any kind of special works with the help of the specialists certified by the National Agency for Surveys and Real Estate Advertisement.

Short description of performed works:

- Execution of support networks with the help of GPS technology;
- Execution of lifting networks with the help of total station and electronic levels;
- Surveys for various types of works;
- Hydrological surveys with the help of sonar, using the side-imaging technology;
- Execution of cross-sections and longitudinal sections for roads and rivers;
- Studying the deformations at the hydro technical and civilian works;
- Mapping and digitizing the maps;
- Elaboration of survey documentations;
- Elaboration of location and bordering layouts;
- Elaboration of the dismantling/gathering documentations;
- Works for the verification of the topographical – survey documentations;
- Approval of the special works by the National Agency for Surveys and Real Estate Advertisement.

Significant works performed within the department:

- Surveys on DN 56 Craiova – Galicea Mare;
- Surveys on DN 56A Manglavit – Simian;
- Surveys on bypass Sibiu;
- Surveys on Sibiu – Deva motorway;
- Survey documents necessary for the expropriations for the bypass Pitesti;
- Survey documents necessary for the expropriations for the Bucuresti – Ploiesti motorway;
- Survey documents necessary for the expropriations for the bypass Deva – Orastie;
- Survey documents necessary for the expropriations for the northern section of Bucharest bypass;
- Survey documents necessary for the expropriations for the Sibiu – Orastie motorway;
- Survey of the behavior in time of the dike Cincis;
- Survey of the behavior in time of the dike Zetea;
- Survey of the behavior in time of the dike Bezid;
- Surveys for the consolidation of the shores of Danube river, the Borcea branch, near the locality Borcea;
- Surveys for the consolidation of the shores of Danube river near the localities Galati – Badalan;
- Surveys for the consolidation of the shores of Humor spring, near locality Gura Humorului;
- Surveys for the rehabilitation of streets in Bucharest.

Special performant software is used in order to ensure a high accuracy in the elaboration of the works performed within the Site Survey Department.

Used software

• Software CAD – AutoDesk AutoCAD Civil 3D
• Software for editing the topographical and survey layouts – TopoLT
• Software for editing the surveys – Toposys
• Software for editing the surveys – Sipreg
• Software for editing the surveys in order to follow up the deformations – Aport
• Software for editing the surveys GNSS – Topcon Tools
Instruments
• Leica TCR 702 total station (angular precision of 2’’, distance measurement precision ±2mm+2ppm)
• Leica TC 702 total station (angular precision of 2’’, distance measurement precision ±2mm+2ppm)
• GNSS Aschtek Promark II system – 2 receivers (precision ±5mm+1ppm)
• GNSS Topcon GR 3 system – 2 receivers (precision ±3mm+0.5ppm)
• Leica NA720 automatic lever (precision 2.5mm / km)
• Leica DNA 03 digital lever (precision 0.3mm / km)
• GPS Lawrance LMS 334c iGPS sonar (precision 7cm, with a maximum scanning depth of 275 m)