Bulletin Vol 2 Issue 1 - entracon.com.au · Volume 2, Issue 1 Lower Yarra River Biodiversity,...
11
www.entracon.com.au the bulletin ENTRACON QUARTERLY UPDATE Volume 2, Issue 1 AUTUMN /WINTER 2011 In this issue… Completed Projects Gisborne Secondary College Stormwater Drainage Upgrade Gisborne, VIC Leopold No1 Sewage Pump Station Installation , Leopold, VIC Painkalac Reservoir Embankment and Spillway Upgrade, Painkalac, VIC Mitchells Run Laurimar Drain, Doreen, VIC Current Projects Blessington St Relief Drain, St Kilda VIC Lower Yarra Biodiversity, Toorak, VIC Peninsula Ave Flood Alleviation, Rye, VIC Reflection Estate Wetland, Taneit, VIC Royal Botanic Gardens Working Wetlands, Melbourne VIC Lower Yarra Biodiversity Project, Toorak, VIC The 'Lower Yarra River Biodiversity Linkages Project' is a ground breaking Stonnington City Council funded project that will increase habitat connectivity, improve water quality and provide recreational and educational opportunities for people to interact with Melbourne's landmark river. Through clever environmental design the project uses materials obtained through sustainable or recyclable sources and is the first in the State to utilise a Hydro- Break Diversion chamber to regulate stormwater inflow. The works involve indigenous riparian revegetation, construction of an ephemeral wetland system, realignment and upgrade of a section of bicycle path, and the construction of a pedestrian boardwalk. An Ephemeral Wetland The Ephemeral Wetland system is designed to capture the stormwater runoff from the surrounding hard surfaces (roads, footpaths etc.) and remove litter, sediment and pollutants such as nitrogen and phosphorous. A gross pollutant trap, sediment pond and the wetland vegetation will retain the pollutants and treat the stormwater prior to it being discharged into the Yarra River. Biodiversity Improvements Native vegetation will be reinstated on the river banks, from Floodplain Riparian Woodland to Plains Grassy Woodland. This, along with the establishment of the wetland area, will enhance the local habitat and encourage native birds and wildlife to the area. Elevated Boardwalks Elevated boardwalks made from recycled material enables users to experience views of the wetlands and the river. Entracon 51 Melverton Drive Hallam VICTORIA 3803 Ph: 03 8786 3700 Fax: 03 8786 3722 Email: [email protected]
Transcript of Bulletin Vol 2 Issue 1 - entracon.com.au · Volume 2, Issue 1 Lower Yarra River Biodiversity,...
www.entracon.com.au
the bulletin
ENTRACON QUARTERLY UPDATE
Volume 2, Issue 1
AUTUMN /WINTER 2011
In this issue…
Completed Projects
Gisborne Secondary College Stormwater Drainage Upgrade Gisborne, VIC Leopold No1 Sewage Pump Station Installation , Leopold, VIC Painkalac Reservoir Embankment and Spillway Upgrade, Painkalac, VIC Mitchells Run Laurimar Drain, Doreen, VIC Current Projects
Blessington St Relief Drain, St Kilda VIC Lower Yarra Biodiversity, Toorak, VIC Peninsula Ave Flood Alleviation, Rye, VIC Reflection Estate Wetland, Taneit, VIC Royal Botanic Gardens Working Wetlands, Melbourne VIC
Lower Yarra Biodiversity Project, Toorak, VIC
The 'Lower Yarra River Biodiversity Linkages Project' is a ground breaking Stonnington City Council funded project that will increase habitat connectivity, improve water quality and provide recreational and educational opportunities for people to interact with Melbourne's landmark river. Through clever environmental design the project uses materials obtained through sustainable or recyclable sources and is the first in the State to utilise a Hydro-Break Diversion chamber to regulate stormwater inflow. The works involve indigenous riparian revegetation, construction of an ephemeral wetland system, realignment and upgrade of a section of bicycle path, and the construction of a pedestrian boardwalk.
An Ephemeral Wetland The Ephemeral Wetland system is designed to capture the stormwater runoff from the surrounding hard surfaces (roads, footpaths etc.) and remove litter, sediment and pollutants such as nitrogen and phosphorous. A gross pollutant trap, sediment pond and the wetland vegetation will retain the pollutants and treat the stormwater prior to it being discharged into the Yarra River.
Biodiversity Improvements Native vegetation will be reinstated on the river banks, from Floodplain Riparian Woodland to Plains Grassy Woodland. This, along with the establishment of the wetland area, will enhance the local habitat and encourage native birds and wildlife to the area.
Elevated Boardwalks Elevated boardwalks made from recycled material enables users to experience views of the wetlands and the river.
Entracon 51 Melverton Drive Hallam VICTORIA 3803
Ph: 03 8786 3700 Fax: 03 8786 3722
Email: [email protected]
www.entracon.com.au
2011 completed projects
Volume 2, Issue 1
Gisborne Secondary College Stormwater Drainage Upgrade, Gisborne, VIC
Client:
Gisborne Secondary College
Project Design:
GHD Matt Vanderpeet
Alexander Van Hall Contract Sum: $0.3M
Works Include
Tree removal and replacement after completion of underground works
Reconstruction of concrete paths and walkways
Construction of new relief drainage
Construction of open earthen swales.
Construction of box culvert crossing
Construction of retaining walls
Removal of paths, kerbs and other existing infrastructure
Miscellaneous landscaping
Key Aspects
Limited access to work areas.
Student and public access, control/management.
Numerous unknown services in work area.
www.entracon.com.au
2011 completed projects
Volume 2, Issue 1
Leopold No1 Sewage Pump Station Installation, Geelong, VIC
Client:
Barwon Water Alliance
Project Design:
Barwon Water Alliance
Contract Sum: $0.365M
Works Include Bulk excavation
Installation of a triple cell class 3 RRJ DN2100 plastiline emergency storage
Plastic Welding undertaken in accordance with Barwon Water’s confined space requirements.
Installation of storage venting system
Key Aspects Rain/runoff/groundwater
management
Ground conditions (greasy back clay)
Limited working/storage area
Managing deliveries
Undertaking of study to safely lift up to 8.5t pipes
www.entracon.com.au
2011 completed projects
Volume 2, Issue 1
Painkalac Reservoir Embankment and Spillway Upgrade, Painkalac, VIC
Works Include Construction of new downstream access road, box culverts and
associated erosion protection Embankment construction and installation of geogrid reinforcement
layer Maintenance of 2.5km single lane access road Construction of standpipe piezometers and top toe drainage system Construction of 2A and 2B filter protection layers including chimney
filter ≈1000m3 of concrete works Construction of new spillway up to 6m high Existing spillway removal and reinstatement Shot creting and rock anchoring of spillway wall Temporary works to protect the embankment and maintain spillway
flow capacity Removal of existing road access bridge
Key Aspects High rainfall zone Co-ordinating delivery of large
box culverts and link slabs Over topping spillway Frequent heavy rainfall events High bush fire risk
Client:
John Hollands/ Barwon Water Alliance
John Hollands Project Team:
Graeme Addison Peter Casey
Bruce Anderson Jason Hoare
Tim Anderson
Project Design:
SKM Craig Johnson
Contract Sum: $2.9M
www.entracon.com.au
2011 completed projects
Volume 2, Issue 1
Mitchells Run Laurimar Drain, Doreen, VIC
Client:
Dacland Management
Project Design:
CPG Leigh Holmes
Contract Sum: $3.2M
Works Include
Construction of wetland
Construction of culvert crossing
Feature rock retaining wall
Stormwater drainage
Concrete paths
Landscaping
Key Aspects
Construction of wetlands in basalt rock
Environmental management (including dust and water runoff) with consideration to abutting existing subdivision
Restricted site conditions and working in conjunction with separate subdivision contractor
Management of water in existing stream and floodway
www.entracon.com.au
2011 current projects
Volume 2, Issue 1
Blessington St Relief Drain, St Kilda, VIC
Client: City of Port Phillip
Project Design:
JDS Civil Designs
Key Aspects
Works undertaken within the high profile area of St Kilda Beach
Construction works undertaken 1m below water table
Working within limited tide times Complex lifting and installation of a
precast headwall constructed onsite by Entracon’s concrete team
Works Include
Site Preparation including cleaning and stripping of base
Sheet piling of temporary bund for protection for works
Construction of twin 600dia relief drain Removal of existing end wall and construction of
a new end wall Modification to an existing junction pit Reinstate rock seawall behind new structure
www.entracon.com.au
2011 current projects
Volume 2, Issue 1
Lower Yarra River Biodiversity, Toorak, VIC
Client:
City of Stonnington
Project Design:
Storm Consulting Contract Sum: $1.1M
Works Include Removal of existing paths and concrete edging Pavement construction with tooberac topping paving and crushed rock
paving Wetlands construction Construction of recycled plastic boardwalk Retaining wall construction consisting of steel columns & sustainably
harvested timbers Landscaping of garden beds and wetlands Pipe jacking under Alexandra Ave to connect into existing Stormwater
line Installation of the first Rocla Hydro-Break diversion chamber in Victoria Installation of CDS GPT Various hard landscaping works
Key Aspects
Significant trees retained to enhance amenity
Majority of all products and materials sourced from sustainable or recyclable sources
Complex traffic management issues associated with pedestrians, cyclists and motor vehicles
Increased environmental controls required working next to Yarra River
www.entracon.com.au
2011 current projects
Volume 2, Issue 1
Peninsula Ave Flood Alleviation, Rye, VIC
Client:
Mornington Peninsula
Shire
Project Design:
GHD Contract Sum: $0.85M
Works Include
Excavation and construction of a new soak pit
Supply and install GPT Supply and installation of
packaged pump station Construction of RRJ rising main Installation of new rainvault
storage tank Installation of new street
drainage Supply and Installation of
Irrigation Pump Station /Truck Filling Station/Bore Pump
Key Aspects
Working with Community and local sporting groups
High groundwater table Traffic Control Existing Services
www.entracon.com.au
2011 current projects
Volume 2, Issue 1
Reflections Estate Wetland, Tarneit, VIC
Client:
National Pacific Properties
Project Design:
CPG
Contract Sum: $3.5M
Works Include Site Clearing and bulk earthworks
Construction of Wetlands and associated drainage pits
Concrete work and fencing
Construction of new box culvert crossing
Landscaping
Key Aspects
Excavation in rock Working within a live
waterway Limited Stockpile space Traffic/Pedestrian
management
www.entracon.com.au
2011 current projects
Volume 2, Issue 1
Royal Botanic Gardens Working Wetlands, Melbourne, VIC
Client: Royal Botanic Gardens
Melbourne
Client Representative/Project Manager:
Stephen Patterson
Project Design:
GHD David Howard
Contract Sum: $2.0M
Works Include
Silt Relocation within gardens Construction of Multiple Feature
Wetlands Approx 1.5km Horizontal Directional
Drilling Approx 200m Micro Tunnelling /
Boring (Pipe jacking) Construction of 3 Pump Stations Installation of 2 number CDS Gross
Pollutant Traps Insitu Concrete Works — Pit
Constructions and Modification
Key Aspects Pedestrian Control/Management
Preservation and protection of Flora and Fauna
Poor Foundations for wetland construction
Silt Management
Limited working area for micro tunnelling
Preservation of Heritage Listed areas and objects
2011 Other News
www.entracon.com.au Volume 2, Issue 1
OH & S and Training Matt Brain obtained his Excavator and Dozer accreditation. Robert Davis, Sam Triantis, Scott Slade obtained their
Trench Shoring Certificate. Troy Hartwick, Clint Hotchin obtained their excavator ticket Kevin Pepyet re-qualified for working in confined spaces.
New to the Fleet
A Komatsu PC450LC-8 will be welcomed on many job sites, easing the increasing demand for excavators.
Welcome
Aaron Mullarvey Labourer
Bill Harris Labourer
Matthew Brain Labourer
Cameron Barber Labourer
Farewell
Ryan Morey
