Saint André de la Roche quarry (Nice, Côte d’Azur, F)

Underground development of the quarry

This aggregate quarry, active since 1973, is located in the inland behind Nice and exploits a Jurassic limestone belonging to the Provençal Succession.
Presently the opencast extraction proceeds by horizontal benches cut in the slopes. The quarry is strategic for the whole Maritime Alps Department, as no other activities capable of adequately supplying the marketplace are found in the area.

Feasibility study – Mine design

Client Société d’Exploitation de Carrières – S.E.C. S.p.A.
Period 2018-2019
Works Amount
  • Sublevel stoping mine design: method statement and planning of the extraction cycle
  • Geological survey for the definition of the geological reference model and the reserve assessment
  • 3D modelling of the reserve
  • Definition of the geomechanical model and assessment of the rock mass behaviour in relation to the excavation methods and sections defined by the feasibility study
  • Analysis of the logistic issues related to the underground expansion of the quarry
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