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Harvest Scheduler Details

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Harvesting Crews


A crew has a unique name and may represent an actual harvesting crew, or a token crew to trial a required increase in capacity. Each crew has a move-and-setup time, a specified number of days worked, a harvest list, and a production rate (crew and / or harvest unit specific). The harvest list is a sequenced list of harvest units that the crew will harvest in the specified order.  Each harvest unit refers to a cutting pattern selected from the harvest unit’s assigned yield cube and has an option to specify a finish date (or harvesting will continue until completion of the area).

Harvest Units


A harvest unit is any area of forest which will produce log volume and grade more-or-less uniformly across its extent. Hence one yield cube is sufficient to predict the yield. A harvest unit could be a setting (the ATLAS Harvest Manager system recognizes a hierarchy of Forest, Block, Harvest Area, Setting), or a stand (ATLAS GeoMaster uses Forest, Compartment, Stand). A harvest unit must have a plant date so that yields can be indexed by age. Yield cubes are selected and referenced from ATLAS Yield Table Manager. The net stocked area at the start of the simulation must also be known.

Scenarios


A scenario is a self-contained set of planning data from which a simulation can be run to produce all the standard reports. Scenarios are used to try variants of the inputs (crews, production rates, harvest list etc), and to update the starting point for a simulation.

Reporting


All reports can be generated at different time scales: daily, weekly, monthly, quarterly, and annually. Production charts and reports show the log production by grade through time. Area charts and reports show the depletion of net stocked area from harvesting. Gant charts show the sequence of harvest units the crews work through by time. Production and area report data can be exported to Excel.