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Roura and Cacao
South of the island of Cayenne, the municipality of Roura stretches to the village of Cacao, on the Comté river. Between February and March 2024 we covered the Cacao-Yaoni sector (3,096 ha) there for the public land agency: with no permanent GNSS station within 20 km, sixteen points were measured by precise point positioning, using our own base station, with a mean deviation of 2 cm on the check points. We also surveyed a site at Roche Tablon and a planned solar site by LiDAR, produced a plan of a sawmill in Cacao after a fire for the insurance assessment, supported a geotechnical mission on the RN2 and, on 15 October 2026, photographed the Comté drinking-water intake for the urban community.
Key facts
| Cacao-Yaoni | 3,096 ha, 39,833 photos, 16 PPP points; check: 2 cm mean, 5.3 cm maximum |
|---|---|
| Missions listed | 7 |
On the map
7 missions at this location
Photo coverage of a water tower and a drinking-water intake
On 12 October 2026, the water tower under construction in Montsinéry-Tonnégrande; on the 15th, the Comté intake in Roura: pumping station, floating intake and surroundings. Photos delivered the same day each time, as JPG and RAW.
Support for a geotechnical mission on national road 2
Photo survey after a sawmill fire
Photos and orthophoto for the loss assessment.
Filming and editing of a motorcycle run in Cacao
Orthophotos and terrain models of two planned solar sites
Flights from 15 to 20 February 2024; for one site in Montsinéry and one in Roura, orthophoto, terrain model and 1 m contour lines delivered on 20 February.
Orthophoto coverage of 12,647 hectares of inhabited French Guiana
From 4 December 2023 to 1 March 2024: eight sectors at 3.5 cm per pixel, 343 flights, 184,464 photos, 50 ground control and 26 check points; ECW and JP2 orthophotos accepted on 7 March 2024.
- 12 647 ha
- 184 464 photos
- 343 flights
LiDAR and photogrammetry on an active quarry and two project sites
Colourised LiDAR acquisitions and ground control points in Kourou, then at Roche Tablon (Roura); stockpile volumes computed.
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97310 Kourou
French Guiana
Route des Trois-Îlets
97229 Les Trois-Îlets
Martinique
20030-041 Rio de Janeiro – RJ
Brazil