Tree Pit/Permeable Paving

• Asset ID

• Conducted on

  Date

• Audit conducted by

  Select Leah Strauch Sophie Thomson Enter name

  • Leah Strauch
  • Sophie Thomson
  • Enter name

• Name

• Locality

  Select Balnarring Baxter Bittern Dromana Hastings Mornington Mt Eliza Mt Martha Portsea Rosebud Rye Safety Beach Somerville Sorrento Tyabb OTHER

  • Balnarring
  • Baxter
  • Bittern
  • Dromana
  • Hastings
  • Mornington
  • Mt Eliza
  • Mt Martha
  • Portsea
  • Rosebud
  • Rye
  • Safety Beach
  • Somerville
  • Sorrento
  • Tyabb
  • OTHER
• Address
  Address

• Control

  Council

  Melbourne Water

• Conditions

  Dry ground conditions

  Wet ground conditions

• Weather

  Select Sunny Overcast Rain Heavy Rain Light Windy Sunny and windy Rain and windy

  • Sunny
  • Overcast
  • Rain Heavy
  • Rain Light
  • Windy
  • Sunny and windy
  • Rain and windy

• Date/Time of last rainfall

  Date

• Photo of entire asset & surroundings

  Media

• Are there similar tree pits adjacent?

  Yes

  No

• Provide details of nearby tree pits (asset ID or location)

• Asset function

• Type of catchment

• Type of catchment:
  eg. pavement only, grassed, garden beds, residential, industrial, other

• Location of tree pit

• Detention Depth

• Traffic conditions

  Yes

  No

  N/A

• Is the tree pit free from any unusual odours or substrances?

  Yes

  No

• Generally, does the tree pit appear free from any trampling or vandalism?

  Yes

  No

2.1 Structures

• Fencing

  Yes

  No

  N/A

• Input description of general condition above

• Steel

• Steel - Rating

• Timber

• Timber - Rating

• Other

• Rating

• Edges

  Yes

  No

  N/A

• Input description of general condition above

• Steel

• Steel - Rating

• Timber

• Timber - Rating

• Other

• Rating

• Signage

  Yes

  No

  N/A

• Input description of general condition above

• Steel

• Steel - Rating

• Timber

• Timber - Rating

• Other

• Rating

• Bollards

  Yes

  No

  N/A

• Input description of general condition above

• Steel

• Steel - Rating

• Timber

• Timber - Rating

• Other

• Rating

2.2 Pavement (external to asset)

• 

• Description of pavement

• Pavement type?

  porous permeable pavement

  porous permeable pavers

  modular pavers

  other

• Description?

• Is pavement in adequate condition?

  Yes

  No

  N/A

• Percentage of pavement in good condition? (i.e. 100% = entire pavement in good condition; no cracks, lifting pavers etc.)

• Is there any evidence of blockage due to sediment?

  Yes

  No

• Include photos and details of blockages

• Is there weeds present in the surrounding pavement?

  Yes

  No

  N/A

• Include photos and details

• Number of weeds per m2?

3.1 Inlet

• Can an inlet pit be located?

  Yes

  No

  N/A

• Include general description and any photographs

• Concrete

• Concrete - Rating

• Steel

• Steel - Rating

• Other material

• Material - Rating

• Is the structure obstructed or blocked?

  Yes

  No

  N/A

• Input photos and free text details

• % blockage (100% = completely blocked)

• Does the tree pit have a lid?

  Yes

  No

  N/A

• Include general description and any photographs

• Steel

• Steel - Rating

• Other material

• Material - Rating

• Does the tree pit have a grate?

  Yes

  No

  N/A

• Include general description and any photographs

• Steel

• Steel - Rating

• Other material

• Material - Rating

• Does the tree pit have permeable paving?

  Yes

  No

  N/A

• Include general description and any photographs

• Aggregate paving

• Aggregate paving - Rating

• Other material

• Material - Rating

3.2 Inspection Opening

• Can an inspection opening be located?

  Yes

  No

  N/A

• Other material

• Rating

• PVC

• PVC - Rating

• Can the underdrain be inspected?

  Yes

  No

  N/A

• Is there standing water in the underdrain?

  Yes

  No

  N/A

• is there sediment accumulation in the underdrain?

  Yes

  No

  N/A

3.2 Outlet

• Can an associated outlet pit be located?

  Yes

  No

  N/A

• is an underdrain associated with this tree pit?

  Yes

  No

  Unknown

• Note plan number if possible

3.3 Overflow

• Can an overflow be located?

  Yes

  No

  N/A

• Steel

• Steel - Rating

• Concrete

• Concrete - Rating

• Other

• Rating

4.1 Surface Conditions

• Gross pollutants

  Yes

  No

  N/A

• Add description of pollutants

• Gross pollutants per m2

• Leaf litter coverage

  Yes

  No

  N/A

• Add description of pollutants

• % leaf litter coverage

4.2 Filter media surface

• Is surface ponding or boggy conditions apparent?

  Yes

  No

• Include details and photographs above

• Is there mulch present?

  Yes

  No

  N/A

• N/A If unable to determine

• is there sediment accumulation? (on surface)

  Yes

  No

  N/A

• N/A If unable to determine

4.3 Hydraulic Conductivity

• Did testing take place?

  Yes

  No

  N/A

• Apparent hydraulic conductivity

• Was testing completed on proximate asset?

  Yes

  No

  N/A

• Asset ID

• Apparent hydraulic conductivity

• Apparent hydraulic conductivity

• Maintenance inspection results from the past 12 months should be consulted to identify ongoing concerns with
  filtration media and vegetation health

• Previous inspections:

5.1 Plants

• Does tree appear to be in good condition?<br>(Evidence of being maintained, removing dead leaves, foliage looks healthy, insect damage etc.)

  Yes

  No

  N/A

• Include details of plant health

• Approx height of tree?

5.2 Algal and moss growth

• Is there algal growth?

  Yes

  No

  N/A

• Input details of coverage and location

• % algal coverage

• is there moss growth?

  Yes

  No

  N/A

• Input details of coverage and location

• % moss coverage

5.3 Weeds

• Is there weeds present?

  Yes

  No

  N/A

• Input description of weeds and maintenance recommendations

• % coverage

6.1 Asset works priority

• Visibility

  High

  Medium

  Low

  N/A

• Visibility: Examples of high visibility are shopping precincts, landscaped public open space, general high traffic areas.

• Catchment

  High

  Medium

  Low

  N/A

• Catchment: High catchment priority (if able to be determined) includes catchments that outfall directly to the bays, or are upstream of sensitive areas

• Treatment

  High

  Medium

  Low

  N/A

• Treatment: High asset priority (if able to be determined) would include an asset that is the lone treatment in a catchment, or performs a significant proportion of treatment within a catchment

• Surrounds

  High

  Medium

  Low

  N/A

• Surrounds: Examples of low priority are assets in disturbed areas such as residential streets with ongoing construction that will stymie maintenance efforts

6.2 Initial assessment

• Health and safety issues

• Are there any elements or issues that the assessors consider to be a risk to health and safety? Please provide a full description

• Planned maintenance tasks

  Select Clear inlet/outlet(s) of sediment and debris Prune tree Remove gross pollutants and/or leaf litter Even out filter media surface/remove sediment or crusting Repair minor structural damage Flush underdrain system Treat for weeds/pests Other

  • Clear inlet/outlet(s) of sediment and debris
  • Prune tree
  • Remove gross pollutants and/or leaf litter
  • Even out filter media surface/remove sediment or crusting
  • Repair minor structural damage
  • Flush underdrain system
  • Treat for weeds/pests
  • Other

• Other

• Corrective maintenance tasks

  Select Hydraulic conductivity assessment Feature and level survey of asset Replace tree Ongoing assessment over varied weather conditions and seasons Filter media replacement/renewal Level resetting/development of extended detention Reconstruction of civil components Re-design in consultation with client

  • Hydraulic conductivity assessment
  • Feature and level survey of asset
  • Replace tree
  • Ongoing assessment over varied weather conditions and seasons
  • Filter media replacement/renewal
  • Level resetting/development of extended detention
  • Reconstruction of civil components
  • Re-design in consultation with client

• Initial outcome

  Decomission

  Rectification works required

  Planned maintenance only

6.3 Final notes