[The forest biomass preparation from view of supplier of technology - OZLT in Forests of Slovak Republic, state enterprise] | Príprava lesnej biomasy z pohľadu dodávateľa technológie - OZLT v š.p. Lesy Slovenskej Republiky
2010
Slotta, M., Forests of the Slovak Republic, state enterprise, Banská Bystrica | Spevár, J.
The paper includes knowledge and experiences of Enterprise of Forest Machinery obtained during the forest biomass preparation process. The Enterprise is supplier of these works. This paper evaluates utilization of harvester unit composed of the John Deere 770 D harvester and the John Deere 810 D forwarder. Main source of energy wood comes from thinnings and salvage cuttings in forest stands until 50 years of age. Average daily productivity is about 35 - 40 m3 with average costs 21€ per m3. Middle sized harvester unit, composed of the John Deere 1070 D harvester and the John Deere 810 D forwarder works in stands with age above 50 years. Daily performance of the unit is in average 55m3, with average costs 17 € per m3. Average daily productivity of large harvester unit, composed of the John Deere 1270 D harvester and the John Deere 1110 D forwarder, is 150 - 250 m3. Energy wood is also prepared with use of the Mounty 4000 mountain procesor and with use of the LKT 82 C skidder equipped with cutting head and clambunk.
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