Dự Án
UAV topographic survey in Duc Hoa Long An #1
Bach Viet contractor performed topographic survey in Duc Hoa, Long An by UAV with scale 1/2000 for planning work. The topographic survey complied with regulations of traditional cartography and topographic survey according to Circular 07/2021/TT-BTNMT about using DRONE.
Hop Nhat Bach Viet Co., Ltd contractor
Scope of topographic survey in Duc Hoa, Long An
Scope of topographic survey is 540Ha in Duc Hoa, Long An. The survey area is quite flat. Including: residential areas and rice-growing plains.
Investor: VINACONEX.
The items of topographic survey in Long An include:
- Set up coordinate control points class IV
- Levelling class IV
- Topographic map with scale 1/2000 by UAV in Long An
Equipments used for topographic survey in Long An:
- Electronic total station
- Electronic auto level
- Optical auto level
- UAV DJI Phantom 4 RTK
Handover products of topographic survey in Long An:
- WebGIS integrates VR 360, 3D data, topographic plan, othogona images….
- Topographic plan scale 1/2000
- Topographic survey report
- Coordinate, elavation control points
Some pictures of topographic survey in Duc Hoa, Long An
There were many flooded fields in topographic survey area in Duc Hoa, Long An. Therefore, we used GNSS RTK for additional measurement.
To improve accuracy and synchronize measurement results, Bach Viet contractor used DGNSS technique to measure. DGNSS method used 1 base station to transfer signal correction parameters to the Rover.
Equipments include: 1 base station and 3 rovers. They have been used for additional measurement of natural ground elevations at flooded locations.
