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ESP
ESP
+34 944 240 835
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Home
About us
Experience
Activity
Civil works
Roads
Railways
Metro–Urban tunnel
Hydraulics
Underground works
Tunnels
Wells
Caverns
Galleries
Mining
Conservation and maintenance
Facilities
Maquinaria
Contact
Downloads
ESP
Rigoitia tunnel shaft
Date
01/10/2001
Type of works
Galleries
,
Mining
,
Wells
Project description
Operation system of the quarry with a tunnel of 45 m² section and 87 m in length, which feeds to a 4 m diameter and 140 m depth shaft with a 73° gradient with the vertical.
Multimedia material
Used machinery
There's is no machinery to show