Tree assessment

• School / site

• Describe actual tree location on site
  Address

• Conducted on

  Date

• Prepared by

• Names of persons assisting in assessment

Topography

• Choose topography where tree is situated

  Flat

  Sloped

• Degree of slope

• Load factors to tree (wind exposure)

  Select Wind exposed Protected Open Wind funnelling

  • Wind exposed
  • Protected
  • Open
  • Wind funnelling

Tree details

• Common name

• Genus (if known)

• Species (if known)

• Amenity class

  Specimen

  Heritage

  Habitat

  Shade

• Diameter at breast height (DBH) in Cm

• Approximate Tree height in metres

• Crown size

  Small

  Medium

  Large

• Crown density

  Sparse

  Normal

  Dense

• Interior branches

  Few

  Normal

  Dense

• Tree age

  Young

  Semi mature

  Mature

  Decline

• Pruning history

  Crown lifting

  Crown thinning

  Dead wooded

  Lopped

  Not pruned

• Has tree Been Pruned to AS4373

  Yes

  No

  N/A

General look of Tree health

• Canopy

  Normal

  Chlorotic

• Foliage

  Normal

  Chlorotic

• Roots

  Suspected root rot

  Exposed roots

  Damaged roots

• Pests and diseases evident

  Select Foliage Trunk Branches

  • Foliage
  • Trunk
  • Branches

Tree defects and conditions affecting the likelihood of failure

Crown and branches

• Epicormic growth

  

• Epicormic growth

  Not present

  Low

  Medium

  High

Hazard rating

• Failure potential

  Not present

  Low

  Medium

  High

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  Not present

  Low

  Medium

  High

• Overall Hazard risk score (add points from above)

• Scores of 5 and above indicate potential for failure, please provide photo below and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

• Included bark

  

• Included bark

  Not present

  Low

  Medium

  High

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

• Branches with excessive weight

  Not present

  Low

  Medium

  High

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

• Cracks or splits

  Not present

  Low

  Medium

  High

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

• Decay

  Not present

  Low

  Medium

  High

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

• Dead wood

  Not present

  Low

  Medium

  High

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

• Poor pruning techniques

  Not present

  Low

  Medium

  High

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

• Broken/ hanging branches

  not present

  present

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

• Pest activities

  Not present

  Low

  Medium

  High

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

Tree trunk

• Condition of trunk bark

  Select Normal Dead, damaged or missing Abnormal colour Cracked Fungus or mushrooms Cavity or nest hole Sapwood damage or decay included bark Trunk leaning

  • Normal
  • Dead, damaged or missing
  • Abnormal colour
  • Cracked
  • Fungus or mushrooms
  • Cavity or nest hole
  • Sapwood damage or decay
  • included bark
  • Trunk leaning

• What is the load on the defect

  None

  minor

  moderate

  significant

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

Roots and root collar

• Condition or root and root area

  Select normal tree collar not visible Cut or damaged roots Root plate lifting cracked roots soil weakness mushrooms or fungus on roots Epicormic growth

  • normal
  • tree collar not visible
  • Cut or damaged roots
  • Root plate lifting
  • cracked roots
  • soil weakness
  • mushrooms or fungus on roots
  • Epicormic growth

• What is the load on the defect

  None

  minor

  moderate

  significant

Hazard/risk rating

• Failure potential

  Low-score=1

  medium-score=2

  high-score=3

  severe-score=4

• Size of part

  score =1. <15cm

  score =2. 15-45cm

  score =3. 45-75cm

  score 4=. >75xm

• Target rating

  score 1-Occasional use

  score 2-Intermittent use

  score 3-frequent use

  score 4-Constant use

• Hazard risk score

• Scores of 5 and above indicate potential for failure, please provide photo and consider referring the tree to an arborist for assessment

• Touch here to provide photo

  Media

Tree target information

• Tree failure target assessment

tree target description

• Name of target

• Target zone

  target with drip line

  target within 1x tree height

  target within 1.5 x tree height

• What is the occupancy rate?

  Rare

  Occasional

  Frequent

  constant

• Is it practical to move the target?

  yes

  no

• Can access be restricted under target zone

  yes

  no

• Add further comment if required

Recommendations

• Refer tree for removal or arborist assessment

  Yes

  No

  N/A

• no

  yes

  yes urgent