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Tunnelling

Tunnel Lungern - Nationalstrasse A8, Ortsumfahrung Lungern / Lungern Tunnel - National Motorway A8, Lungern Bypass

Complicated excavation altering an existing tunnel – the west portal of the Visp by-pass

A9, Umfarung Visp

The new Linth-Limmern hydro-power plant – design of caverns under 500 m overburden

PSW Linth-Limmern, Maschinenkaverne

All Publications

IM Maggia Engineering Ltd. | Head Office
via Stefano Franscini 5
casella postale 46
CH-6601 Locarno 1

Phone +41 91 756 68 11
Fax +41 91 756 68 10
infotest@im-maggia.ch 

IUB Engineering Ltd. | Head Office
Belpstrasse 48
Postfach
CH-3000 Bern 14

Phone +41 31 357 11 11
Fax +41 31 357 11 12
infotest@iub-ag.ch 

Branch Offices
Altdorf
Belfaux
Givisiez
Luzern
Meiringen
Olten
Zürich

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