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Norm

ÖNORM B 2203-1

Issue date: 2023 03 01

Underground works - Part 1: Conventional Tunneling - Contract to provide services

This Austrian Standard contains Rules of Procedure and Terms of Contract for the implementation of underground works using cyclic tunnelling, wherein the sequence of exca...
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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. This Austrian Standard does not apply to pipe jacking nor to tunnels constructed by open-cut methods.
ÖNORM B 2203-1
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