Tree Works Updates

Adelaide Hills Council wishes to advise that the following works will be undertaken as part of the Onkaparinga Valley Road - Oakbank Bridge upgrade:

Contractors working on behalf of the Department for Infrastructure and Transport (DIT) will be undertaking various tree removals adjacent to the Onkaparinga Valley Road Oakbank bridge upgrade. As part of the bridge development a new portion of the Amy Gillett bikeway will be constructed to provide cyclists with separation from vehicle traffic as they pass over the creek crossing.

Adelaide Hills Council supports the removal of these trees to facilitate safe pedestrian access and road safety improvement works. The subject trees are introduced species and display various undesirable structural traits and poor overall condition, due to an extensive history of powerline clearance pruning works.

Location: The trees are situated within the western council road verge directly to the south of the new bridge crossing.

Date of Works: Tuesday 15th August 2023.

For further information regarding these works please contact the Department for Infrastructure and Transport 1300 872 677.

Adelaide Hills Council wishes to advise that the following works will be undertaken on Lobethal Road Ashton:

Works: Removal of a failed large tree that has impacted private property.

Location: The tree is situated within the Council managed road verge adjacent to 353 Lobathal Road Ashton.

Date of Works: Friday 11th August.

Time of Works: 9:00am – 4.00pm.

Vehicle restrictions: To enable the tree works to occur comprehensive traffic management controls will be implemented.

Throughout the duration of the works a portion of Lobethal Road will be closed to road users.

Vehicle traffic detours will be set up utilising the following roadways.

- Basket Range Road

- Greenhill Road

- Tregarthan Road

- Stoney Rise Road

To provide road users with advance warning of this upcoming road closure and traffic detour, electronic messaging sign boards have been installed at various locations on Lobethal Road.

We apologies for any inconvenience and thank you for your cooperation in this matter. If you have any questions, please contact Council on 8408 0400.

Adelaide Hills Council wishes to advise that the following works will be undertaken within Stonehenge Avenue, Stirling.

Works: Complete removal of three Salix babylonica – Weeping Willows – located on the eastern side of Stonehenge Avenue, south of the intersection of Madeline Road. (Please see the map on the reverse side of this letter for the precise location of the works).

Date of works: Monday 14^th and Tuesday 15^th August.

Time of works 9.00am – 3.30pm.

Reason for works: Tree condition assessments undertaken by Council’s arborists have revealed significant structural defects within the primary branching structure of all three trees. The previous failure of an adjacent tree of the same species has exposed the remaining trees to increased wind loading, which has increased the probability of large diameter branch failure occurring. Remedial pruning to reduce the probability of such failures would require removal of a significant proportion of the primary branching structure of all three trees, resulting in a visually unappealing form which would detract from the character of the area and be detrimental to the health of the trees. Such pruning is not in accordance with the arboricultural industry standard followed by Council, Australian Standard AS 4373-2007 Pruning of amenity trees. In the interests of public safety, full removal of all three trees has been scheduled.

Due to the significant amenity value provided by the trees to the local streetscape, this site has been scheduled for replanting in the autumn/winter 2024 planting season with a replacement species to be determined.

Vehicle restrictions: To enable the trees to be removed in a safe manner, the use of various types of large machinery is required in the roadway. As this equipment has a substantial footprint, residents are advised that access to the roadway will be restricted during the period described above. The roadway will still be open to vehicle traffic, however residents are advised that delays may occur. Emergency vehicle access through the work site will be maintained. Throughout the duration of the works a comprehensive work zone traffic management plan will be implemented.

We apologise for any inconvenience and thank you for your cooperation in this matter. If you have any questions, please contact Council on 8408 0400.

Adelaide Hills Council - Open Space Team

Adelaide Hills Council wishes to advise that the following works will be undertaken within Milan Terrace, Aldgate (adjacent to the train line crossing):

Works: Pruning to remove damaged branching structure within one large Cupressus macrocarpa - Monterey Cypress tree.

Location: The tree is situated within the Council managed road verge to the south eastern side of the train line intersection.

Date of Works: Monday 31st July.

Time of Works: 9:00am – 3.30pm.

Vehicle restrictions: To enable the tree works to occur comprehensive traffic management controls will be implemented.

Throughout the duration of the works stop / go traffic commands will be maintained. While all attempts will be made to maintain traffic flow delays are anticipated.

We apologies for any inconvenience and thank you for your cooperation in this matter. If you have any questions, please contact Council on 8408 0400.

Adelaide Hills Council wishes to advise that the following works will be undertaken within Forbes Road Aldagte:

Works: Pruning and complete removal of multiple dead Eucalyptus obliqua – Messmate Stringybark trees.

Date of works: Wednesday 2nd August

Time of Works: 7:30am – 3.30pm.

Vehicle restrictions: To enable the tree works to be conducted, a partial road closure of Forbes Road will be implemented (between Emery Road and Williams Roads).

Road detour signage will be installed directing vehicles to utilise Emery Road and Williams Road.

We apologies for any inconvenience and thank you for your cooperation in this matter. If you have any questions, please contact Council on 8408 0400.

Adelaide Hills Council wishes to advise that the following works will be undertaken within Kingsland Road Aldagte:

Works: Complete removal of one dead Pinus radiata - Radiata Pine tree and one dead Eucalyptus obliqua – Messmate Stringybark tree will be undertaken.

Date of works: Friday 4th August

Time of Works: 7:00am – 3.30pm.

Vehicle restrictions: To enable the two trees to be removed a partial road closure of the southern portion of Kingsland Road will be implemented.

Road detour signage will be installed directing vehicles to utilise Kent Road Aldgate.

We apologies for any inconvenience and thank you for your cooperation in this matter. If you have any questions, please contact Council on 8408 0400.

Adelaide Hills Council wishes to advise that the following works will be undertaken within Waters Road Mount George.

Works: Complete removal of two Eucalyptus obliqua – Messmate Stringybarks will be undertaken, as well as pruning to remove deadwood over the road corridor on the verge of 63 Waters Road.

Date of removal works: Thursday 4^th and Friday 5^th of May 7.30am – 3.30pm.

Reason for tree removal: The easternmost tree has experienced a structural root failure and the adjacent tree also displays evidence of significant root plate instability. No management options are available to retain the trees therefore full removal has been scheduled.

Vehicle restrictions: To enable the trees to be removed in a safe manner, the use of a large elevated work platform is required. As this equipment has a substantial footprint, residents are advised that access to the roadway will be restricted during the period described above. The roadway will still be open to vehicle traffic however residents are advised that delays may occur. Emergency vehicle access through the work site will be maintained. Throughout the duration of the works a comprehensive work zone traffic management plan will be implemented.

Any usable timber will be left on the verge for residents to collect for firewood purposes once the works are completed. Please note, access to the work zone for wood collection is prohibited during the works.

We apologies for any inconvenience and thank you for your cooperation in this matter. If you have any questions, please contact Council on 8408 0400.

Adelaide Hills Council wishes to advise that the following works will be undertaken on the eastern boundary of the Woodhouse Scout Ground adjacent to Old Carey Gully Road, Carey Gully.

Works: Complete removal of one Eucalyptus leucoxylon – S.A. Blue Gum – located within the council verge.

Date of works: Monday 24 April 2023

Time of works: 7.30am – 1.30pm

Reason for works: The subject tree was observed to have significant root plate instability. No remedial management options are available to retain the tree therefore full removal has been scheduled.

Vehicle restrictions: To enable these works to be conducted in a safe manner, the use of various machinery is required. This machinery will be positioned on the road surface which will require closure of Old Carey Gully Road between Gully Road and Spring Gully Road.

Timber may be left on the road verge for residents to collect once the works are completed. Please note, access to the work zone is strictly prohibited during the works.

We apologise for any inconvenience and thank you for your cooperation in this matter. If you have any questions, please contact the Council on 8408 0400.

Yours sincerely

Open Spaces Department

Adelaide Hills Council

Adelaide Hills Council wishes to advise that a road closure and vehicle detours will be implemented to the eastern end of Sprigg Road Piccadilly. These traffic controls are required to enable tree works to occur.

Type of works: Tree pruning to remove deadwood and reduce crown volume of one Fraxinus angustifolia subsp. angustifolia (commonly known as Desert Ash) and four Populus deltoides (commonly known as Cottonwoods) will be undertaken. The subject trees are situated within the southern road verge of Sprigg Road within a 100m proximity of the Piccadilly Road intersection.

Date of works: Tuesday 2^nd and Wednesday 3^rd May 2023.

Time of Works: 7:00am – 4:00pm.

Reason for works: Adelaide Hills Council engaged an independent arboricultural consultant to assess the condition of the subject trees. The assessment findings concluded that substantial lateral branch reduction and pruning to remove deadwood is required to reduce the probability of branch failure occurring over the roadway and private property.

Vehicle restrictions / Road detour: To enable works to be conducted in a safe manner, the use of various machinery is required. This equipment will be positioned on the road surface requiring temporary modifications to traffic movements on Sprigg Road. During the indicated time of works, closure of Sprigg Road will be implemented between number 2 and number 8 Sprigg Road.

Throughout the duration of the works a comprehensive work zone traffic management plan will be implemented. Road users will be detoured around the worksite via alternative roads.

Pedestrian access within properties adjacent to the worksite will be maintained, please note delays may occur. Impacted residents within these properties who require to leave this area via vehicle, are requested to move their vehicles out of the area prior to works commencing.

We apologise for any inconvenience and thank you for your cooperation in this matter. If you have any questions, please contact Council’s Open Spaces Department between the hours of 9:00am to 3pm Monday to Friday.

Yours sincerely,

Open Spaces Department

Adelaide Hills Council

UPDATE

Works: The removal works of one mature Quercus palustris tree (Commonly known as a Pin Oak) have begun, with the tree now removed to ground level.

Playground and Carpark restrictions: Due to debris and remediation works, the south-western corner of the playground area will remain closed. All other areas of the playground & car park are now available to the public.

Time of Works: Remediation works are estimated to be complete by end of April 2023.

Adelaide Hills Council wishes to advise that the following urgent tree works will be undertaken within Steamroller Park Playground, Stirling.

Works: Complete removal of one mature Quercus palustris tree (Commonly known as a Pin Oak). The tree is situated to the south western corner of the playground area.

Date of works: Thursday 13th to Friday 14th April 2023.

Time of Works: 7:00am to 5:00pm

Reason for works: As a result of a routine tree inspection, significant structural flaws were identified within the trees primary branching structure. Due to the development of a large split within the trees main stem, the tree poses imminent failure potential within the recreational precinct. Due to the size and configuration of the large split, no alternative management options are available in this instance to stabilise and retain the tree. Complete tree removal is required to manage the associated risks to the public.

Playground and Carpark restrictions: To ensure public safety is maintained, the frequently utilised playground and car parking area surrounding the tree has been isolated and closed to the public. To enable the tree removal to be conducted in a safe manner, these public spaces will not be reopened until the tree has been completely removed.

We apologise for any inconvenience these works may have and thank you for your cooperation in this matter.

If you have any questions regarding these works, please contact Council on 8408 0400.

Yours sincerely,

Damian Brennan

Senior Arborist
Open Spaces Department
Adelaide Hills Council