Dioptra Longitud Teknik AB

Longitud

Professional construction surveying company based in Sweden. We deliver precise surveying, 3D scanning, UAV photogrammetry and BIM-ready digital workflows for infrastructure, residential and industrial projects.

Our clients

Here is a selection of companies we work with or have worked with.

Portfolio

Selected projects and references from infrastructure and industrial sectors.

Quay Saltkajen, Stockholm

Construction of a new pier with a dock and the reconstruction of the existing quay. The quay dates back to the late... Read more

Tram network from Hamngatan to T-Centralen

Expansion of the existing tram network. Construction of a tramway system, including stops. The entire project was c... Read more

Stockholm’s Wastewater plant

Stockholm’s future wastewater treatment system. The project is an execution contract, where installation will... Read more