Cable road layout planner

Cable road layout planner Seilaplan

Seilaplan: Cable road layout planner
Seilaplan is a tool that supports the design of cable roads for timber harvesting. It works as a QGis-Plugin.
Wood extraction with cable yarder

Starting point of the calculation are terrain data (digital elevation model or field measurement data in CSV format), machine and cable road properties.
The program calculates the skyline tensile forces, the skyline sag, support saddle forces. By knowing the rope forces, critical constructions can be avoided. This increases the safety at work.

Seilaplan includes an optimization algorithm that proposes the height and location of the supports. The load path of the skyline together with the terrain profile are displayed graphically and a construction manual is generated. Coordinates and saddle height of the supports can be saved as CSV and KML data so that they are electronically available for further planning steps.

The planning of cable road layout goes much faster. The calculated routing takes advantage of the natural terrain shapes and helps to reduce overall harvesting costs in mountainous regions and steep terrain.

Anchorage, supports and rope height above ground
Vedens ursprung
> 100'000 m³ for Switzerland
Typ av trä
stemwood and full trees
Påverkan på miljö & biologisk mångfald

The cost reduction will allow new, poorly accessible areas to be developed and additional timber to be harvested.
This has a positive effect on the protective function of the forest in the mountains and it promotes adaptation to climate change.

Enkel implementering
Very easy
ekonomisk påverkan
Reduced installation cost, improved profitability
Effekt antal anställda
Faster and saver skyline layout planing
Ekonomisk effekt
Improved profitability of logging in steep terrain
Specifika kunskapsbehov
Knowledge of QGis is necessary
Kostnader för implementering (Euro - €)
100.00 €
kommersiell potential

For forest owners and forest contractors

Nyckel förutsättningar

Terrain data must be available or collected along the planned line.

Huvud domän
Skogsförvaltning, skogskjötsel, ekosystemtjänster
cable road skyline QGis plugin mountain forest
Utmaning som adresseras
5. Förbättra ekonomisk och miljömässig prestanda för skogsförsörjningskedjor
Type av lösning
Rådgivning og serviceverktyg för skogsägare
Digital lösning
Start och slutår
2012 - 2021
Kontakt informasion
Ägare eller författare
Swiss Federal Institute for Forest Research WSL
Leo Bont
BFH Berne University of Applied Sciences
Thuer Peter
References and Resources
Bont, L. G., Moll, P. E., Ramstein, L., Frutig, F., Heinimann, H. R., & Schweier, J. (2022). SEILAPLAN, a QGIS plugin for cable road layout design. Croat J For Eng. Bont, L. G., Ramstein, L., Frutig, F., & Schweier, J. (2022). Tensile forces and deflections on skylines of cable yarders: comparison of measurements with close-to-catenary predictions. International Journal of Forest Engineering, 1-22.
Projekt som detta factsheet skapats inom
Rosewood 4.0