Switzerland boreholes under railway track

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ClientKVA Linth
Location and location of the construction siteNäfels
Brief description of the building task2 boreholes and 30 m under railway track and creek
Client's service description
Special suggestions from the contractor Special sockets for welding under groundwater
Description of the soil in the soil surveyIn groundwater 2 m, gravel sand
Ground encounteredGravel with sand nests
Tunnelling depths3.5 m overburden, creek 0.9 m
Accuracy vertically and horizontally0,01
Execution time and rate of advance 1.5 days of multi-shift operation for one drive
Tunnelling length30 m
ParticularitiesDrilling under railway track only outside the operating hours of the railway
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Bohrtec Gesellschaft für Bohrtechnologie mbH
Konrad-Zuse-Straße 24
D - 52477 Alsdorf
+49 (0) 2404 9881 - 0
+49 (0) 2404 9881 - 10
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