PUNA MINING S.A.

Salar del Rincón
San Antonio de los Cobres
Salta - Argentina
From 2016 to the present

COMPLETED PROJECTS

→ Evaporation ponds 2017
10 hectares and 100,000 m3 of soil transportation;
→ Evaporation ponds 2018
30 hectares and 300,000 m3 of soil transportation;
→ Evaporation ponds 2022
20 hectares and 419,000 m3 of soil transportation;
→ Industrial warehouses Phase 1, industrial production 2021 -
2022
3,500 m2 of metal structures and 2,500 m3 of concrete;
→ Leveling and compaction of land 2018
10 hectares;
→ Internal road construction 2018
24 km;

→ Road construction in salt flat 2018 - 2019
20 km;
→ Olympic fencing 2021
30 hectares and 6 gates;
→ Mezzanine of H°A° 2021
600 m2;
→ Smoothed floors 2022
3500 m2;
→ Road construction in salt flat
21 km;
→ Internal roads construction
15 km;
→ Leveling and compaction of land 2023
21 hectáreas;
→ Salt harvesting from evaporation ponds 2020 - 2023
19 pools and 560,000 m3 of salt transportation;
→ Road maintenance
→ Pipe laying
→ Topography and engineering of
evaporation ponds
→ Brine pipeline
→ Soil study.
Compaction control. Laboratory Service.

RIO TINTO

Salar del Rincón
San Antonio de los Cobres
Salta - Argentina
2023 period
COMPLETED PROJECTS

Land leveling and compaction.
12 hectares

ERAMINE SUDAMERICA S.A.

San Antonio de los Cobres
Salta - Argentina
2023 period
COMPLETED PROJECTS

→ Road maintenance
220 km.

GANFENG LITHIUM

Salar de los Pozuelos
Salta - Argentina
2023 period
COMPLETED PROJECTS

→ Road construction in salt flat;
→ Land leveling;
→ Effluent ponds.

GENSUN PARQUE SOLAR

Olacapato
Salta - Argentina
2021 period
COMPLETED PROJECTS

→ Land clearing and leveling
4 hectares