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Yacambu-Quibor-Tunnel

Owner:
Client:
Service:
Advice and Recommendations for Experimental Investigation Section.
Estimated cost: Commencement:
November 30, 1990
Completion date:
December 31, 1991
Location:
Venezuela
Technical data:

24.4 km long transfer tunnel, 4.2 m diameter.

Geology description:

Phyllite, Sandstone.

Categories:
Service areas:
Description

L= 24.368 m Water diversion tunnel TBM drive was stopped due to high rock pressure. One TBM got stuck and was lost.