Tender Details

Country: Switzerland
Summary: Refurbishment of Sevistein Tunnel
CHT Ref No: 122204039
Deadline: 19 Aug 2025
Financier: Self Financed
Purchaser Ownership: Government
Tender Value: Refer Document
Notice Type: Tender
Document Ref. No.: 440602-2025
Purchaser's Detail:
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Description:
Project presentation
As part of the SIM corridor, the Sevistein tunnel III is located on the Loetschberg-South-dramp between the HohtN and Ousserberg above the village of St. German in Valais. The tunnel is owned by the BLS.
The Sevistein tunnel III is 407 m long and was in 1915/16 as Ersatz created for the Sevistein tunnel I and II built in 1908 and 1911. These were abandoned on the basis of settings and deformations.
At the main inspection (HI) 2018, the tunnel was rated with a grade of 3.65 (defective to bad). For this reason, the project order for renewal was triggered. In addition, the minimal gravel thickness is undercut. This makes the systematic plug more difficult due to insufficient charging reserves. There are tiring on the mountain side in the light space profile in the area of the pantograph. There is no service. There are one Slide and a reduced window room available.
The aim of the project is to ensure support, operational safety and usability and thus operate the Sevistein tunnel III, under today's boundary conditions, until the Loetschberg-Basistunnel expanded 2034. The repair measures have to bridge a period of almost 9 years. In order to obtain some flexibility in planning, BLS Netz AG has set the announced service life at the age of 15.
In addition, the retaining wall at the Ausserberg portal is Sevisteintu ...
Documents:

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Refurbishment of Sevistein Tunnel - Switzerland Tender

The BLS AG - FINANCE & SCM - STRATEGIC PROCUREMENT, a Government sector organization in Switzerland, has announced a new tender for Refurbishment of Sevistein Tunnel. This tender is published on SwitzerlandTenders under CHT Ref No: 122204039 and is categorized as a Tender. Interested and eligible suppliers are invited to participate by reviewing the tender documents and submitting their bids before the deadline on 2025-08-19.

The estimated tender value is Refer Document, and full details, including technical specifications and submission requirements, are provided in the official tender documents. Ensure all submissions meet the criteria outlined to be considered for evaluation.