Sewer data & inspections
Processing, checking, structuring and linking inspection and asset data, including technical checks for completeness, logic and usability.
Services
Processing data is one step. Knowing whether it is correct is the next.
HaDennis combines data from different sources and assesses it using professional knowledge of sewers, asset management and GIS.
As-built data
Translating as-built drawings and handover data into current asset data, including checks of geometry, attributes and connections to the existing network.
GPS/GNSS surveying
Accurate XYZ surveys of manholes, pipes and objects as a basis for management, as-built records and design.
3D LiDAR scanning
Recording structures as georeferenced point clouds with derived drawings, profiles and dimensions.
Quality control
Targeted checks of geometry, attributes, links, media, completeness and internal consistency.
A specific question?