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Alternative timber transportation system for Pakistan

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https://ir.library.oregonstate.edu/concern/graduate_projects/3n2044446

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  • In Pakistan, forest land is either owned by government or at least managed by provincial forest service if it is private land. Timber is logged by contractors and delivered by small four wheel drive trucks over low standard roads to a transfer yard, where it is unloaded to await transport to an auction market by on-highway trucks. Six months to one year may pass between the time the timber is harvested and when it is delivered to the auction market, due to a variety of reasons related to the present transportation system. Not only is the transportation cost high, but deterioration of timber due to delays in delivery causes a significant reduction in value as well as a delayed revenue. This study analyzes an alternative transportation strategy; to construct higher standard roads, use on-highway trucks with trailers, and eliminate transfer yards. The specifications of typical on-highway trucks are reviewed in order to determine the ability of the trucks to operate in adverse terrain and under necessary road standards. The study finds that gradeability and off-tracking of on-highway trucks is adequate. A break-even equation is formulated to determine the volume of timber needed per entry to justify the higher standard roads. The study concludes that under some conditions found in Pakistan, the construction of permanent forest roads and elimination of transfer yards will yield both greater revenue to the government and increase the supply of higher value timber to the market. The break-even volume is found to be sensitive to assumptions of the discount rate, road construction cost, and loss in timber value due to wood deterioration in transit.
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