QPWS Lower Burdekin Hazardous Tree Inspection Form

• Site

• Inspection date

  Date
• Tree location
  Address

• Prepared by

• Document Number

• Minimal tree inspection required (if yes do not fill out the Detailed Hazardous Tree Inspection part) Then sign last page.

  Yes

  No

• Describe what action is required or have undertaken.

Tree Characterics

• Tree species

• Number of trunks

• Diameter at chest height (DBH) in mm

• Height in meters

• Average Spread of Crown in meters

• Tree Form

  Generally symmetric

  Minor asymmetry

  Major asymmetry

• Crown class

  Dominant

  Co-dominant

  Intermediate

  Suppressed

• Percent of live growth within the crown (LCR)

• Age class

  Young

  Semi-mature

  Mature

  Over-mature/senescent

• Evidence of previous pruning history

  Yes

  No

Tree Health

• What is the general foliage colour

  Normal

  Chlorotic

  Necrotic

• Foliage density

  Normal

  Sparse

• Tree Vigor

  Excellent

  Average

  Fair

  Poor

• Twig and branch dieback present

  Yes

  No

• Epicormic growth

  Yes

  No

• Woundwood development

  Excellent

  Average

  Poor

  N/A

• Major pests/diseases visible (includes fungal growth and or termite activity)

Site conditions

• Has the site any recent site disturbance

  Yes

  No

• Describe disturbance

• Pavement lifted (including bitumen, concrete and or gravel tracks roads)

  Yes

  No

  N/A

• Percentage of tree dripline paved

  0%

  10-25%

  25-50%

  50-75%

  75-100%

• Exposure to winds

  Yes

  No

Target (where people, vehicles and or park assets are within the reach of the tree)

• Are there targets within 1.5 x height of tree

  Yes

  No

• Describe targets

• Can the target be moved

  Yes

  No

  N/A

• Can use be restricted within the target area.

  Yes

  No

  N/A

• Occupancy exposure time

  Occasional use

  Intermittent use

  Frequent use

  Constant use

Tree Defect within the Crown and Branches

• Unbalanced crown

  Yes

  No

• Live crown ratio in % (LCR)

• Dead twigs /branches % overall

• Over extended branches

  Yes

  No

• Cracks within branches

  Yes

  No

• Codominant branches

  Yes

  No

• Weak attachments

  Yes

  No

• Other areas of concern (fungal growth lightning strike etc)

Tree Defects on the Trunk

• Dead missing bark

  Yes

  No

• Codominant trunks

  Yes

  No

• Included bark

  Yes

  No

• Cracks

  Yes

  No

• Cankers / Galls / Burls

  Yes

  No

• Lean degrees from vertical

• Lean severity

  Severe

  Moderate

  Low

  N/A

• Other areas of concern (fungal growth lightning strike etc)

Tree Defects within the Roots and Root Collar

• Fungal growth present

  Yes

  No

• Dead or decaying roots

  Yes

  No

• Exposed cut or damaged roots

  Yes

  No

• Root plate lifting

  Yes

  No

• Soil weakness cracking

  Yes

  No

• Other areas of concern (undercutting of roots)

Hazard Rating

• Inspection period

  Annual

  Biannual

• Tree part most likely to fail

• Failure potiential

  Low

  Medium

  High

• Size of tree or part likely to fail

  1 - <50mm

  2 - 50-200mm

  3 - 200-300mm

  4 - >300mm

Risk Calculators

• 

• Determine the likelihood of a hazardous tree injuring a person/s, damaging vehicle/s and or park assets

  Rare

  Unlikely

  Possible

• 

• Determine the level of risk to persons, vehicles and or park assets.

  Insignificant

  Minor

  Moderate

  Major

  Catastrophic

• Risk rating matrix - Level of risk

  

• Hazard rating as per risk rating matrix

  Select Low 1 Low 2 Low 3 Low 4 Low 5 Low 6 Low 7 Medium 8 Medium 9 Medium 10 Medium11 Medium 12 Medium 14 Medium 15 Medium 16 High 17 High 18 High 19 High 20 High 21 High 22 Extreme 23 Extreme 24 Extreme 25

  • Low 1
  • Low 2
  • Low 3
  • Low 4
  • Low 5
  • Low 6
  • Low 7
  • Medium 8
  • Medium 9
  • Medium 10
  • Medium11
  • Medium 12
  • Medium 14
  • Medium 15
  • Medium 16
  • High 17
  • High 18
  • High 19
  • High 20
  • High 21
  • High 22
  • Extreme 23
  • Extreme 24
  • Extreme 25

Recommendations

• Further inspection by consultant arborist required

  Yes

  No

• Reason for consultant arborist to assist in the evaluation of the tree

• Do you recommend removing the tree

  Yes

  No

• Recommend replacing the tree

  Yes

  No

• Recommend moving target/s

  Yes

  No

• Comments

• Signature

  Sign