SETP operates one quarry in the commune of Comblanchien, and another in Ladoix-Serrigny in the Côte d’Or department.

COMBLANCHIEN Quarry

Operating area: 40 hectares
Name of stone: Comblanchien Limestone
Height of quarry face: Around 22 m
Operating licence: 30 years
Resource: Over 100 years

LADOIX-CORTON Quarry

Operating area: 15 hectares
Name of stone: Corton Stone
Height of quarry face: Around 8m
Operating licence: 20 years
Resource: Over 100 years

 

Block extraction process

Stripping of the quarry used to produce gabion stone and aggregates

Quarrying in layers following natural bands of rock

Vertical drill to mark out the blocks

Horizontal hole bored to insert the diamond wire

Base of block sawn through with diamond wire

Base of block sawn through with diamond wire

Cut made by a rock cutter

Removing a mass of around 30 m3 (80 tonnes) with the mechanical digger

Splitting a mass of 30 m3 with the mobile rock cutter

Splitting a mass into blocks of around 4 m3 (12 to 15 tonnes)

The block is ready for processing in the factory

Masonry blocks stored in the quarry