1. Timber Tree Felling Brush Cutter Arborist Fatality rate 3x - PowerPoint PPT Presentation

1. Timber Tree Felling Brush Cutter

Arborist Fatality rate 3x • average US worker Tree felling • accidents No Federal safety • regulations

Timber

Timber CUSTOMER NEED PRODUCT ATTRIBUTE ENGINEERING SPECIFICATION Can control the direction that a Pushing capability Apply torque 30.5 Nm during cutting tree falls Can fit in a truck Size Footprint smaller than 5 ft. x 42’’ Can be maneuvered by a Weight Less than 500 lbs. human Can cut trees/stumps up to 6’’ in Output equal power as a standard 40 cc Power diameter in a timely fashion chainsaw (1000 W) Can cut trees low to the ground Position Maximum stump height 2’’ Can cut brush at rate Cut brush at comparable rate to comparable to commercial brush Cutting rate commercial brush cutter (1 acre/hr) cutters

Key Risks • Controlling direction of tree falling • Preventing blade pinching • Cutting Brush

Controlled direction of tree falling Pushing apparatus • Tension using elastic cords • Tree fell in intended • direction

Blade Pinching Prevention Control (no pushing apparatus) Pushing Apparatus

Cutting Brush Chainsaw held by user Chainsaw mounted on chassis

Cutting Brush

Product Price Heavy duty brush cutters Timber Cut brush and saplings Cut brush and trees up to 6” up to 2” ≥ $4000 $4000

References • Leaves falling off of Tree, https://www.alamy.com/stock-photo/leaves-falling-off- tree.html (Accessed 10/16/2018) • Arborist Fleet Program, https://www.husqvarna.com/us/commercial-landscaping- equipment/arborist-fleet-program/ (Accessed 10/16/2018) • Gollan, Jennifer, Tree Trimming Deaths alarm federal officials and industry insiders, https://www.revealnews.org/blog/tree-trimming-deaths-alarm-federal-officials- and-industry-insiders/ (Accessed 10/16/2018) • BC26 Series Outback Fixed Deck Brush Cutter, https://www.billygoat.com/na/en_us/product-catalog/brushcutter/bc26-series- outback-fixed-deck-brushcutter.html/(Accessed 10/16/18)