Drilling from a rail wagon, Goppenstein

Goppenstein, VS
24.03.2025 - 31.03.2025
BLS
4 pcs | ⌀ 150 mm
15 m
Slope debris
SPT
Piezometer pipes 2"
Drilling from a rail wagon, nightwork
Drilling from pontoon, Lake Zurich

Uetikon, ZH
February 2025
Dr. von Moos / AWEL Kanton Zürich
30 pcs | ⌀ 150 mm
up to 11 m
Lake sediment
Shear tests, sampling
Overcoming water column, risk of hydraulic fracture failure, water-saturated sediments