Roadside Verge Clearing
Verge clearing is another key milestone of the Sparking Conversations, Igniting Action project. The objective of verge clearing operations is to promote safer egress routes in areas effected by bushfire events by removal of selected vegetation.
The grant stated ‘escape route (road) verge management - arborists engaged to identify potentially dangerous trees and work with each local government area (LGA) to remove these trees. Stakeholders to identify work required along each major escape route.’ It is important to note however, that undertaking work along ‘each major escape route’ in each LGA was not possible. Thus, egress routes in each Council area were identified and prioritised to have works undertaken. Where funding permitted, more than one area of verge management was completed.
The budget allocated for works in each LGA was $65,000, which was to cover the cost of all vegetation clearing and associated works, such as professional reports. The baseline criteria ensured that the areas were:
Within an area listed as being High Risk Human Settlement Area under the relevant Bushfire Risk Management Plan (BRMP) and associated overlay on LISTmap - https://maps.thelist.tas.gov.au/listmap/app/list/map?bookmarkId=605824
Identified as a high-risk area by Geoneon programming (for all areas other than Clarence City Council) or Roadside Verge Assessment Project (for Kingborough Council)
Tenure - Council land
Directly alongside roads that will likely be used as an escape route in a bushfire
Community feedback from resident engagement
Previously identified for clearing by Council
After passing an initial desktop assessment, Project Officers conducted ground proofing inspections of the selected areas to further evaluate their suitability, ultimately resulting in areas being identified for works. Several selection criteria were used for undertaking the onsite inspections, including:
High fuel loads
Suitability for clearing, pruning (eg. not too steep or inaccessible for such works)
No obstructions or dangers that can’t be managed with Safe Working Procedures (SWP) (eg. powerlines, traffic etc)
Visibility for community members
Benefit to the local community
External experts were engaged to review the selected locations. The review included undertaking pre and post Fuel Load Assessments, as well as Natural Values Assessments to ascertain a baseline position for each selected egress route.
Contractors were engaged to undertake the works required within the allocated budget. On completion of the works, the consultant undertook a second assessment to verify that the works have been able to reduce fuel load and reduce the risk from trees in these key areas.
Feedback to partnering Councils included:
before and after photographs and video footage (where possible)
before and after consultant reports
tonnage of vegetation removed
Areas where works were undertaken include:
Nelson Road - No. 550 to Signal Station (distance 1.19km)
Works: Lopping of overhead tree limbs deemed to be at risk
Broughton Ave - Entire (distance 345m)
Works: Removal of near surface and elevated fuel and lopping of overhead tree limbs deemed to be at risk
Kalang Ave - Lumeah Ave to City of Hobart/Glenorchy City Council boundary (distance 345m)
Works: Lopping of overhead tree limbs deemed to be at risk
Sandfly Road - Allens Road to Bluegate Road (distance 5km)
Works: Removal of near surface and elevated fuel and lower branches removed where necessary
Sandfly Road - Huon Highway to Wiggins Road (distance 1.19km)
Works: Lopping of overhead branches and clearing of near surface and elevated fuels
Mount Rumney Road - Entire (distance 3.5km)
Works: Removal of overhanging branches and canopy thinning
Canopus Drive - No. 39 to Cul-de-sac (distance 850m)
Works: Lopping of overhanging branches and clearing of near surface and elevated fuels
Centauri Drive - Grahams Road to Canopus Drive (distance 270m)
Works: Lopping of overhead branches and clearing of near surface and elevated fuels
(NB: due to low fuel loads and minimal risk identified, works in the Glenorchy City Council were not progressed).
Check out the following video produced with thanks by our contract partners Tasmanian Tree Care, in collaboration with Programmed.
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