Forest technology and timber harvesting

Forest technology and timber harvesting

Forest management must also pay off: that is why apart from adequate work planning modern forest techniques and optimal harvesting procedures must also be available. Machine comparisons and field trials make the choice easier. However, work safety and soil protection must not be neglected.

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Side slope stabilisation on unstable ground

The construction of forest tracks can be a real challenge if the underlying soil is very soft. If this is the case, geogrids can be used to stabilise the side slopes. The “Mechanically Stabilised Earth” system has already been used in flysch.

Calculation of harvesting operations: The productivity model HeProMo

The productivity model HeProMo allows to estimate productivity and costs of different harvesting operations. (19)
What are the benefits of half-loading vehicles during timber extraction?

The Swiss Federal Institute for Forest, Snow and Landscape Research WSL tested whether it would be less damaging to the soil in logging trails if vehicles were only loaded to half-capacity during timber extraction. (3)
Take care of the soil

Forest soils are made up of solid substances and pores. This can be impaired or destroyed through inappropriate utilization of forestry vehicles. Factors involving the machines as well as organization should be taken into consideration.

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Forestry Equipment and machinery database

The BFW forestry equipment and machinery database contains data from approximately 750 forestry machinery and equipment and allows the calculation of the cost of the equipment and machinery involved in a timber supply chain.

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16.04.2013 The Flying Saw
The Flying Saw

Trimming overhead cables by helicopter in steep terrain: the vertical tree saw can be employed not only where it would be time and cost intensive to free overhead power cables, but also where it would be dangerous to do so by hand.

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Beware of caterpillars with urticating hairs

Some species of caterpillars have urticating hairs which can cause extreme itching, skin irritations and damage to eyes and the respiratory system. Therefore care must be taken during work being carried out along the edge of forests, on embankments or whilst tending trees. (64)
Salvage Logging of Storm Damaged Timber

Safety training, organising the supporting machines, instruction of contractors, maintaining quality standards … Many things have to be taken into consideration for a safe and clean salvage logging.

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Harvesting Methods for Windthrown Timber

Which harvesting method is most suitable when coping with storm damages? Depending on conditions and availability of machines different combinations are possible. (19)
Work Safety when Processing Storm Damaged Timber

Dangerous situations - at the beginning of logging due to safe practices being underestimated or overlooked and later on as work becomes routine and is treated light-heartedly.

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Heading image: Thomas Reich