Productivity and Cost Analysis of Felling in Indonesian Selective Cutting and Planting, North Borneo, IndonesiaJournal: International Journal of Science and Research (IJSR) (Vol.5, No. 10)
Publication Date: 2016-10-05
Authors : Muhdi;
Page : 141-143
Keywords : chainsaw; cost; productivity; fell; time study;
Semi-mechanics system by chainsaw is used to fell at the tropical natural forest, Indonesia. This research examined the productivity of felling in natural tropical forest, north Borneo. Time study of felling by chainsaw STHILL 070 is measured to every felling work elements that was using null stop method with two stop watches. Elements of work are measured in logging with chainsaws was directional felling of trees, making undercut, making backcut, and trees felled. Elements of work measurement and distribution of stem requires the long working time on conventional logging (CL) and reduced impact logging (RIL) that the total of the working time was 4.35 minutes (33.15 %) and 4.22 minutes (40.41 %), respectively. This research resulted that the time of felling by chainsaw STHILL 070 on conventional dan RIL plots were 13.13 minutes and 10.44 minutes, respectively. The productivity of felling by conventional logging and RIL in PT Inhutani II areas was 38.03 m3/hour and 45.56 m3/hour, respectively. Based on the calculations, the total cost of conventional logging and RIL was 1089.64 IDR/m3 (0.084 USD/m3) and 956.58 IDR/m3 (USD 0.073/m3), respectively.
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