Batı Karadeniz Bölgesindeki Orman Nakliyatında Yükleme, Boflaltma ve İstifleme İşlerinin Zaman, Verim ve Masraf Yönünden İncelenmesi

Bu çal›flma, Bat› Karadeniz Bölgesi ormanlar›nda ve orman depolar›nda uygulanmakta olan yükleme, boflaltma ve istifleme ifllerinde kullan›lan yöntemlerin zaman, verim, masraf yönünden k›yaslanmas› ve bu faaliyetlerin rasyonel olarak nas›l yap›labilece¤inin ortaya konulmas› amac›yla gerçeklefltirilmifltir. Seçilen örnek çal›flma birimlerinde insan ve makine gücü kullan›larak yap›lan yükleme, boflaltma ve istifleme faaliyetlerinin ifl k›s›mlar›na iliflkin zaman etütleri devaml› çal›flt›r›lan kronometre yöntemi ile yap›lm›flt›r. Zaman etütleriyle saptanan de¤erlerin karfl›laflt›r›lmas›yla en yüksek yükleme verimine (19.807 m3/saat) sahip olan Granab 4515 in y›ll›k yükleme hacmi 8500 m3 ü aflan alanlarda kullan›lmas›yla iflletme masraflar› minimize edilebilecektir. Ayn› olguyu istifleme çal›flmalar› için düflünürsek; en yüksek istifleme verimine sahip olan (79.437 m3/saat) Caterpillar 920 nin y›ll›k istifleme hacmi 148 000 m3 ü aflan alanlarda kullan›lmas› gerekir

The Investigation of Loading, Unloading andStacking Operations in Forest Transportation in Terms of Time, Productivity and Cost in Western Black Sea Region

This study was conducted on methods used in loading, unloading and stacking carried out in forests and forest depots in the western Black Sea region. The aims of this study were to compare methods in terms of time, cost and productivity, and to make suggestions on how these activities could be made more efficient. Time studies were conducted using human and mechanical force for loading, unloading and stacking operations in chosen sample working units, with continuously running chronometer. The results, according to analysis of time measurements, show that administration expenses canbe minimized by using Granab 4515, which has maximum loading productivity (19.807 m3/h) in areas with annual loading capacities of over 8500 m3, and Caterpillar 920, which has maximum stacking productivity (79.437 m3/h), in areas with annual stacking capacities of over 148.000 m3.