Surveying – References |
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Egghau slope stabilisation, Zurich, Switzerland (since 1998) The geodetic deformation measurements register the absolute deformation and settlement behaviour of the pile wall and the surface sections with portals. Atatürk Dam and Hydroelectric Power Plant, Turkey (since 1990) The hydroelectric power plant comprises a 179 m high rockfill dam, a reservoir with a volume of 84.5 million m3 and a power house with 2400 MW installed capacity. Zürich Water Supply: Uetliberg drinking water tunnel, Switzerland (2005 - 2010) The construction of the Uetliberg drinking water tunnel, section Moos-Frauental reservoir Lyren, requires excavation measurements for the steering of the TBM and surveying for the interior work of the 7.1 km long Lyren-Moos section. The horizontal and vertical orientation measurements into the underground construction site is only done via pit plumbing apparatus (up to 123 m deep). Kárahnjúkar Hydropower Scheme, Iceland: roughness measurements with laser scanner (2006 – 2007) The Kárahnjúkar Hydropower Scheme consists of a 190 m high concrete faced rockfill dam (CFRD) and two adjacent saddle dams. The water from the reservoir will be conveyed along a 40 km long pressure tunnel and two 400 m deep vertical shafts. Quality assessments in the automotive industry with the FARO Laser ScanArm Platinum 3.0 (since 2006) For quality assessments in the automotive industry, in structural engineering and for surface evaluations, we have been using the high-precision FARO Platinum Laser ScanArm since 2006. The surface of the objects is measured with up to 19,200 measurement points/second (point cloud) with an accuracy of 0.05 mm. The PolyWorks standard software is used to analyse the point clouds and surface reconstruction. Zürich Western Bypass, N20.1.4, Birmensdorf bypass underground works, Switzerland (1998 - 2009) In the individual excavation stages, profiles of the excavated tunnel cross section are regularly defined and compared with the theoretical target profile. The tunnel deformation is monitored through geodetic 3D deformation measurements. |
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