ÖNORM B 2203-1:2023 03 01
Current
Current
The latest, up-to-date edition.
Underground works - Part 1: Conventional Tunneling - Contract to provide services
Available format(s)
Hardcopy
Language(s)
German
Published date
01-03-2023
This Austrian Standard contains Rules of Procedure and Terms of Contract for the implementation of underground works using cyclic tunnelling, wherein the sequence of excavation, mucking, and ground support occur in repeated cycles.
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