City of Greater Dandenong tree root risk assessment 2

• City of Greater Dandenong tree root risk assessment

• Report prepared for

• Conducted on

  Date

• Prepared by

• Location
  Address

Customer information

• Customer name

• Customer reference / merit number

• Customer phone number

• Customer email

• Description of request / damaged asset

Tree location and details

• Tree identification number / location

• Tree species

• Tree health

  good

  fair

  poor

• Tree structure

  good

  fair

  poor

• Useful life expectancy

  under 5 years

  5 to 15 years

  greater then 15 years

• Retention value

  high

  medium

  low

• Comments on tree (is the species known for invasive roots)

Risk analysis

• Details of investigation (visual only or other methods used)

• Is the damage with in the trees structural root zone

  yes

  no

• What is the proximity of the trunk to the damaged asset

• What evidence of damage has been observed

  Select visible tree roots above ground lifted pavement / curb / driveway evidence of repairs on asset crack directly in line with tree significant roots exposed through investigation other

  • visible tree roots above ground
  • lifted pavement / curb / driveway
  • evidence of repairs on asset
  • crack directly in line with tree
  • significant roots exposed through investigation
  • other

• Other evidence of damage

• Photos of damage

  Media

• Site map

  Drawing

• What other factors may be contributing to the damage

  Select other private trees other council trees poor construction of asset age of asset is beyond expected life ageing and weathering soil fill built up against asset (retaining soil whilst not designed to do so) inadequate drainage aged pipes with cracks allowing root invasion inadequate aggregate beneath path encouraging root growth inadequate footings

  • other private trees
  • other council trees
  • poor construction of asset
  • age of asset is beyond expected life
  • ageing and weathering
  • soil fill built up against asset (retaining soil whilst not designed to do so)
  • inadequate drainage
  • aged pipes with cracks allowing root invasion
  • inadequate aggregate beneath path encouraging root growth
  • inadequate footings

• Comments on damage

Tree History

• Previous merit inspections and works programmed

Proposed mitigation

• Remedial works

  Select not required root prune root barrier tree removal

  • not required
  • root prune
  • root barrier
  • tree removal

• Root barrier dimensions if programmed

• Timeframe for works

Summary

• Conclusion

• Signature of assessor

  Sign