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

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

Sep 23, 2023 185 likes •310 views

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

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SLIDE 1

Tree Felling Brush Cutter

1.

Timber

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SLIDE 2
  • Fatality rate 3x

average US worker

  • Tree felling

accidents

  • No Federal safety

regulations

Arborist

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SLIDE 3

Timber

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SLIDE 4

CUSTOMER NEED PRODUCT ATTRIBUTE ENGINEERING SPECIFICATION

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

Timber

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Key Risks

  • Controlling direction of

tree falling

  • Preventing blade pinching
  • Cutting Brush
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SLIDE 6
  • Pushing apparatus
  • Tension using elastic cords
  • Tree fell in intended

direction

Controlled direction of tree falling

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SLIDE 7

Blade Pinching Prevention

Control (no pushing apparatus) Pushing Apparatus

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SLIDE 8

Cutting Brush

Chainsaw held by user Chainsaw mounted on chassis

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SLIDE 9

Cutting Brush

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SLIDE 10

Product Price

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

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SLIDE 11

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-

  • utback-fixed-deck-brushcutter.html/(Accessed 10/16/18)