@MISC{_referenceexternal, author = {}, title = {REFERENCE EXTERNAL REQUIREMENTS}, year = {} }
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Abstract
The handbook does not attempt to define a single “best ” system for any site. Instead, it presumes that readers need to be aware of the key factors that influence the probability of achieving success with any given combination of equipment and site characteristics. Readers will then use their own judgement to evaluate the merits of the various options. The information in the handbook should be considered only as part of an overall process for equipment selection which will vary from company to company. EXTERNAL REQUIREMENTS External requirements are characteristics of the operating environment that can be changed by human interventions. They are not inherent characteristics of the site, and may change from time to time. The external requirements have been divided into three classes: forest management considerations, corporate policies and business practices, and layout and development. Forest Management Considerations Harvesting operations on managed forest land are subject to plans and decisions made at higher levels, and harvesting activities must