Open invitation to tender, deadline 16/12/2019, for laboratory tests during refurbishment work on the km 17,440 - km to the 20,400km section of the N09 Vennes-Chexbres motorway, including tunnels Belmont (342 m, 402 m), Chauderon (193 m, 224m), Criblette (285 m, 265 m) and Flonzaley (704 m, 724 m). The duration of the contract is from 09/03/2020 to 31/05/2024. Further information from click here (French) and here (German). Contact Ofrou, Estavayer-le-Lac, tel +41 58 461 87 11, email marchespublics.estavayer@astra.admin.ch. For tender documents click hereRef.n. N09.48 080010. 45/19.
