The Richmond Terminal Station rebuild has been one of the most critical power project ever undertaken in Australia
Key to AusNet Services’ landmark Edison Project, Multiworks contributed to the upgrade and replacement of aging electrical infrastructure and equipment at Richmond, Brunswick and West Melbourne terminal stations. The upgraded terminal stations deliver new technologies to support inner Melbourne’s increasing population growth and power supply needs.
The Richmond Terminal Station was the first and largest of the Project Edison terminal station sites. It involved execution of sequential and continuous civil and building works in 14 stages over a seven-year period. Throughout delivery Multiworks ensured electricity to the network including to Melbourne’s CBD remained uninterrupted.
Multiworks was engaged directly by Ausnet Services in 2012 under a lump sum contract valued at $8.3M and subsequently completed works to the value of $100M onsite, including:
- New 66kV GIS Switch and Control Rooms (2 stage)
- New 220kV GIS Switch and Control Room > Transformer Bays (Approx 6)
- New Feeder Connections between existing and new switchyards, control buildings, internal roadways and switchroom
- Monopole footings
- Demolition of 220 & 66kV switchyards
VIVA Energy initiated the Strategic Storage Project to construct four new tanks capturing 90 million litres of diesel storage as part of the Federal Government’s plans to boost Australia’s Diesel Storage Program. Multiworks, working under mechanical and tank builder Brockman Engineering, were responsible for all civil works associated with this project including bulk earthworks, remediation, tank foundations and over 1,000m of concrete in-situ bund wall over 4m in height.
Works included
- 1km bund wall over 4m in height
- Major earthworks associated with the 62,500m2 area within the bund
- Remediation of significant volumes of contaminated soils
- Tank foundations
- Concrete in-situ bund walls over 4m in height
- Footings, pits and drainage
- Roads and paving
- Construction of access ramps, bund sumps
- External roads in the ‘Greenfield’ area
The project posed multifaceted challenges, spanning tank foundations, concrete bund walls, pipe supports, and a wide range of civil works, including access ramps, drainage, and roads. The project also faced intense timeline constraints as work was required to be completed in time for the government subsidy to be obtained. Despite a significant increase in the scope, namely in contaminated soil remediation, Multiworks was able to accelerate the program by over 2 months.
Working within Toll’s primary chemical storage facility in Laverton, Multiworks were required to excavate and replace over 3000 m2 of engineered concrete paving. The site was to remain functional at all times and as such the works were broken into 3 stages. Straddle cranes, forklifts and delivery trucks frequent the site and hence interruptions to the sites operations were to be minimised as much as possible.
Multiworks worked closely with both Toll and Goodman to achieve an acceptable staging of works that minimised the impact on site operations and also returned the facility to full capacity as soon as possible. The project’s scope included:
- Saw-cutting, excavation and removal of redundant concrete.
- Testing of groundwater and soil.
- Engineering and sign-off of reinforcement design.
- New engineered concrete paving, approximately 3000m2
- Saw cutting of construction joints and corking.
- 3 Stages of work.
- Concrete testing.
- Reinstatement of line-marking and bollards.
Sims Metal Management (SMM) is engaged in the processing, handling and shipping of ferrous scrap metal. Multiworks were engaged by Sims directly to construct the new static shear infrastructure all whilst the site maintained its operation.
The scope of works included:
- Electrical conduit installation and re-route of existing services
- Static Shear slabs and plinths (approx 250m3 concrete, 25T of steel)
- Construction of a new Pump Room inclusive of precast panels, suspended slabs, structural steel platforms and all associated roofing/ plumbing
- Installation and commissioning of new fire services
- Installation and fit-out of static shear mechanical equipment
Working under a schedule of rates contract, Multiworks have been responsible for the upgrading of Cawley Industrial Park over the past 12 years. Originally a manufacturing plant the 35,000m2 of industrial building required substantial refurbishment including:
- Repair of over 3000m2 of industrial pavement.
- Recladding of buildings.
- Maintenance of drainage, fire and electrical systems.
- Creation of new landscaped areas and parking.
- Creation of new internal offices and amenities.
This 4.5 hectare site in Coburg was originally used by Austrim Nylex for the manufacturing of plastic automotive components. Prior to the creation of a new public access road and subdivision into 36 industrial allotments, the site required extensive remediation of the contaminated soil and groundwater. The remediation process involved:
- Removal and disposal of 30 underground storage tanks and associated product lines.
- Removal of asbestos and demolition of approximately 5,000m2 of disused industrial buildings.
- Excavation, remediation and reinstatement of over 40,000m3 of contaminated soil.
- On site crushing and recycling of all concrete.
- Facilitation and supervision of contaminated ground water with vacuum enhanced extraction technology.
- Installation and commissioning of active skimming pumps
Multiworks was responsible for the remediation and conversation of the 15 hectare James Hardie asbestos processing facility. The conversion of the site into a industrial park was undertaken over 7 years and required special care in not disturbing the underlying contamination. The works included;
- Installation of approximately 20,000m2 of geotextile fabric.
- The importation and compaction of approximately 150,000 tonnes of engineered fill.
- Construction of 3,500m2 of reinforced concrete road pavement.
- Spreading and compacting of 10,000 tonne of recycled concrete hardstand.
- Construction of 7,000m2 of engineered concrete hardstand
- Significant drainage, electrical and landscaping works.
Multiworks now has since managed and maintained the buildings and land.
Works at the Coca Cola industrial complex involved the demolition of existing concrete foundations and the installation of pits, plinths, bunds and pipework for infrastructure associated with the new Alcohol Tanks. The works were within a highly confined environment adjoining liquid process facilities and required stringent controls for dust and noise.
