www.entracon.com.au
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ENTRACON BIANNUAL UPDATE
Volume 2, Issue 4
SUMMER / AUTUMN 2013
Entracon
51 Melverton Drive Hallam VICTORIA 3803
Ph: 03 8786 3700 Fax: 03 8786 3722
In this issue… Current Projects Clarrie Hall Dam Spillway Upgrade Murwillumbah, NSW Kalparrin Stormwater Harvest Greensnborough VIC Surrey Road Park, South Yarra, VIC Laurimer Drain Section 23, Doreen, VIC Completed Projects
Lily Pad Bridge Royal Botanic Gardens Cranbourne, VIC Surrey Dive Rectification, Box Hill, VIC Reflections Estate Wetlands Tarneit VIC Elsternwick Stormwater Harvesting Elsternwick, VIC Doug Dean Wetlands, Ballarat, VIC Mitchells Run Laurimer Wetlands Doreen, VIC
Clarrie Hall Dam Spillway Upgrade, Uki / Murwillumbah Region, NSW
Clarrie Hall Dam is a rock-filled embankment dam located on Doon
Doon Creek, a tributary of the Tweed River, approximately 4 km south
west of Uki. The 15,000 ML litre reservoir provides the drinking water
for the Tweed Region. Tweed Council is upgrading the Spillway to
meet the Dam Safety Committee’s Requirements and to ensure that
the dam can continue to safely pass extreme flood events.
The spillway upgrade works involve widening and extending the
entrance of the existing spillway chute. A parapet wall across the dam
crest will be raised to prevent water from flowing over the dam wall in
an extreme flood event and enable the water to be released safely
through the spillway. The parapet wall will not increase the water
storage capacity of the dam and the dam storage will remain at current
levels
www.entracon.com.au
2013 Current projects
Volume 2, Issue 4
Clarrie Hall Dam Spillway Upgrade, Uki / Murwillumbah Region, NSW
Client:
Tweed Shire Council
Project Design:
NSW Public Works
Contract Sum: $5.4M
Works Include
Structural Concrete works associated with Raising the spillway wall by 2m
Extending the existing spillway entrance by 35m.
Strengthening the flip bucket downstream of the spillway
Key Aspects
Working in operating dam environment where water levels are to be maintained
Design and construction of temporary coffer dams. No existing access to work area. All plant and materials need to
be craned out. Scaffolding access for workers needed to be built Protection of works during flooding Working at heights (10.5m walls) Setting up and constructing pre-cast area for onsite casting of
parapet units (220 No. units)
www.entracon.com.au
2013 Current projects
Volume 2, Issue 4
Kalparrin Stormwater Harvest, Greensborough, Vic
Client:
Banyule City Council
Project Design:
Clevertek
Contract Sum: $1.9M
Works Include
Dewatering and control of inflows Bulk Earthworks Construction of wetland and associated features Construction of rock headwalls, weir structure and wetland inlet
and outlet structures Planting of wetland and batter slopes including hydroseeding of
finished earthwork areas Construction of underground scoria tank Construction of new pump stations
Key Aspects
Heavy Rains causing flooding of the works area
Protection of Flora/Fauna Extensive rock breaking for the wetlands Gypsum application to the wetlands clay seal
The rejuvenation of the lake in Kalparrin Gardens in Greensborough is the first stage in Banyule City Council's clever new way of ensuring local parks and sporting grounds will have their own water supply long into the future. The project will build an innovative water conservation and quality improvement system to capture, treat and store stormwater underground for use on parks and ovals in Greensborough. The Banyule Stormwater Harvesting project is a unique partnership between the Banyule City Council and bot h the Victorian and Australian Government
www.entracon.com.au
2013 Current projects
Volume 2, Issue 4
Surrey Road Park, South Yarra, VIC
Client:
City of Stonnington
Project Design:
Tract Contract Sum: $ 0.6 M
Key Aspects
Ex Council Depot
Constraints due to pre-existing structures
Unsuitable ground conditions
Integration with Surrounding property
High profile
Works Include
Construction of underground drainage system
Construction of rain gardens and garden beds
bluestone seating and cobbles.
Construction of a rock swale
Construct coloured concrete works
Stonnington City Council is undertaking the development of a new Park in the heart of South Yarra. The Park will occupy the former Waste Transfer Station, located off Surrey Road and bounded by the railway line to the south and Drain Reserve Road to the north. The park will occupy approx. 5,500m2 of open space and has a strong environmental theme, with rain gardens and an underwater storage tank supporting the landscape installation.
Working alongside neighbouring apartments
www.entracon.com.au
2013 Current projects
Volume 2, Issue 4
Mitchells Run Laurimer Main Drain Stage 23, Doreen, Vic
Client:
Dacland Management
Project Design:
CPG
Contract Sum: $2.5M
Key Aspects
Heavy Rains causing flooding of the works area Protection of Flora/Fauna Extensive rock breaking for the wetlands Planting and maintenance of substantial amounts of
soft landscaping
Mitchells Run is a residential neighbourhood located in Doreen in Melbourne’s northern growth corridor. As part of the developmental plan to maintain the natural topography, remnant river gums and waterways, Entracon is working with Dacland Management to create a Wetland that will not only enhance the liveability of the estate but also serve as a functional stormwater and floodway water catchment system. This is the next stage in the development.
Works Include
Removal of existing culverts and pipework Bulk earthworks Bulk rockwork and rock breaking Landscaping Construction of sediment pond with clay
liner
www.entracon.com.au
2013 completed projects
Volume 2, Issue 4
Works Included
Construction of artistic steel bridge & concrete footings Construction of exposed aggregate concrete walkway &
supporting structure. Stone retaining wall construction and bluestone paving Custom made recycled timber furniture construction Construction of custom corten balustrade Construction and installation of additional aesthetic features.
Surrey Dive Rectification Works, Box Hill, VIC
Key Aspects
Control of ground water inflows Co-ordination of bridge works with
existing features Load limitations Access restrictions Protection and preservation of
existing flora/ fauna
Client:
Royal Botanic Gardens
Project Design:
Taylor Cullity Lethlean Paul Thompson
Contract Sum: $0.7M
Client:
City of Whitehorse
Project Design:
MDG Landscape Architects
Contract Sum: $ 0.3 M
Key Aspects
Working at heights to construct 5m gabion wall High Profile project Limited work space Architectural finish to gabion wall Fauna and Flora management during tree felling process.
Works Included Bulk Earthworks Construction of Gabion retaining walls
Royal Botanic Gardens Lily Pad Bridge Construction, Australian Garden Project Stage 2, Cranbourne, VIC
www.entracon.com.au
2013 completed projects
Volume 2, Issue 4
Reflections Estate, Tarneit, Vic
Works Included
Clearing, Stripping and stockpiling topsoil and vegetation
Construction of Wetland and associated features
Construction of rock headwalls, weir structure and wetland inlet and outlet structures
Planting of wetland and batter slopes
Key Aspects
Working in operating creek environment with high catchment and rapid water level increases
Working within operating golf course Maintain existing irrigation systems while upgrading
infrastructure Working with contaminated soil (Category C) and
construction of a lined underground tomb
Works Included
Site clearing and bulk earthworks Construction of Wetlands and associated drainage pits Concrete work and fencing Construction of new box culvert crossing Landscaping
Elsternwick Stormwater Harvest, Elsternwick, Vic
Key Aspects
Excavation in rock Working within a live waterway\ Limited Stockpile area Traffic/Pedestrian Management
Client: National Pacific
Properties
Project Design:
CPG Contract Sum: $ 3.5 M
Client: Bayside City Council
Project Design:
AECOM Australia
Contract Sum: $1.7M
www.entracon.com.au
2013 completed projects
Volume 2, Issue 4
Doug Dean Reserve Wetlands, Ballarat, VIC
Works Included
Construction of Wetland Construction of culvert crossing Feature rock work Stormwater drainage Concrete Paths Landscaping
Key Aspects
Construction of Wetland in Basalt Rock Environmental Management with consideration of abutting
existing subdivision Restricted site conditions and working in conjunction with
separate subdivision contractors Management of water in existing stream and floodway
Works Included
Bulk Earthworks Construction of Pipe and Box Culvert Drainage Pit & Wingwall construction Basin Clay Lining Construction of Concrete Weir & Rock Beaching Soil Reinstatement
Mitchells Run Laurimer Wetlands, Doreen, Vic
Key Aspects
Working with Live drainage system Excavation of rock 12,000m3 Public/Pedestrian management /
control for neighbouring school and kindergarten
Minimal stockpile area
Client: City of Ballarat
Project Design:
City of Ballarat
Contract Sum: $ 0.8 M
Client: Dacland Management
Project Design:
CPG
Contract Sum: $3.6M
2013 Other News
www.entracon.com.au Volume 2, Issue 4
OH & S and Training
Scott Slade and Ben Hoekstra have gained their Melbourne Recipient Card qualification. Nathan Fowler obtained his working in confined spaces qualification
Scott Murdoch and Kevin Pepyat have requalified for First Aid
2013 Team Building and Training Weekend,
The Cumberland Resort in Lorne was again the location for this year’s Entracon Team Building and Training
Weekend. Staff attended training seminars and group activities aimed at improving team based skills and with
near perfect weather many took full advantage of the wonderful beaches and local activities on offer
Congratulations go to Scott Murdoch and Rob Davis on becoming the 2013 champions in the annual
Entracon Tennis Competition.
Welcome
Brett Ford Operator
Andrew Kennedy Supervisor
New to the
Entracon Fleet
PC 300-8
D6T Dozer
PC 228-8
Hitachi ZX48
Kevin Williams Senior Project
Manager
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