Osterwalder, Lehmann - Ingenieure und Geometer AG

Official surveying, architecture surveying, construction surveying, construction sightlines and scaffolding surveys, BIM, deformation measurements, drone surveys, vibration measurements, geomonitoring, railway track surveys, terrain models, crack surveys and 3D surveying.

webGIS applications, data models and thematic layers, geodata management and web services, utility cadastre, interfaces and API, thematic maps, webGIS app, mapping and custom QGIS solutions.

Infrastructure construction, sewerage, road construction and utility lines with studies, planning and project development, construction management and commissioning.

General drainage planning, remediation and investment planning, utilisation studies, peatland protection, renaturation, revitalisation, school assignment plan, environment, visualisations and traffic surveys.

Construction law advisory, fire protection, fire police, property drainage and civil protection with advisory services, permits, inspections, acceptances and quality assurance.