Work efficiency of winch in skidding operation in seri-I of Ezdarak Forestry Plan in Lajim area in the north of Iran
by Vahid Ghari; Mohammad S. Lazerjan; Khan Rubayet Rahaman
Middle East J. of Management (MEJM), Vol. 2, No. 1, 2015

Abstract: This project was carried out at parcel 26 in series-1 of Ezdarak Forestry Plan in the northern part of Iran to determine the work efficiency of a ranger skidder as well as to introduce a better management methods on obtaining a higher work efficiency in a shorter duration by employing forest harvesting techniques such as selection cutting and shelter wood cutting in order to reduce the cutting waste and also forest soil disturbances. In this study, contemporary time method was used in combination by care control through using chronometer 1:100. Although, the gradient between the distances, and length of timbers were measured by sunto and ordinary measuring tape respectively. The results of this study suggest that the work efficiency of winch decreases as the volume of timbers and gradient between the distances increase. However, some delays in the operation processes including operational, technical, and personal issues were found, consequently, by focusing on them, it is possible to improve the work efficiency of the winch. Finally, the paper concludes with significant findings that management decisions are very much important before heading towards cutting the trees and designing the winches in an environmental friendly way to minimise costs in a country with transitional economy.

Online publication date: Fri, 24-Apr-2015

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