Our Clients

Timbermass Constructions Projects Completed and Ongoing

4 Malabar Alliance	Joint Venture project between John Holland/UGL. Scope includes new and modifications to existing structures above and underground at the Malabar Wastewater Treatment Plant.
Theiss/John Holland/ Dragados Joint Venture	North West Rail Link. Scope includes capping beams, retaining walls and misc structures at the Epping and Cheltenham facilities.
Leighton Contractors	M2 Vimera Embankment Stabilisation Works Reinforced concrete restraint blocks, retaining walls and drainage structures. Contract Value $2.5 million plus.
John Holland Engineering	Glenfield to Leppington Rail Project LV and HV Electrical pits, stabling yard works, station works, retaining walls, capping beams, ground slabs, cess drains. Contract Value $3 million plus.
Leighton Contractors	M2 Upgrade project Lengthening and widening of Christie Road overbridge, various roadworks, F Type Kerbs, retaining walls, culverts, capping beams and drainage structures. Contract value $4 million plus
PSP, John Hollands/Sydney Water Alliance	Cowan Sewage Scheme Upgrade – John Holland/Sydney Water Joint Venture. Construction of reinforced concrete chemical dosing unit, various building slabs, concrete to roadways, hardstand areas and drainage structures.
PSP, John Hollands/Sydney Water Alliance	Appin Sewage Scheme Upgrade Construction of reinforced concrete bioreactor and water/sewage tanks, various building slabs, concrete to roadways, hardstand areas and drainage structures.
Leighton Contractors	Glenfield to Liverpool Sewage Treatment Upgrade Construction of reinforced concrete sewage tanks and surrounding structures
Delaney Civil Engineering	Various Bridgeworks Single and multispan concrete bridges at Wollongong, Yass, Cattai, Hawkesbury and Bargo.
Downer Engineering	Mangoola Coal Mine, Muswellbrook Hunter Valley Construction substation, electrical structures and blast walls.
Citywide Civil Engineering	Sydney International Airport Extension to international airside taxiway, formwork concrete and reo to drainage structures, edgeform to taxiway hardstand.
Nace Civil Engineering.	Sydney International Airport Extension to international airside taxiway, formwork concrete and reo to drainage structures, edgeform to taxiway hardstand
Abigroup Contractors	Windsor Floodplain Evacuation Route Construction of parapet kerb to elevated roadway.
Hannas Civil Engineering	Prospect Mini Hydro Scheme Construction of Hydro Electric Concrete Inlet and Outlet Chamber and surrounding structures.
PSP, John Hollands/Sydney Water Alliance	Three Towns Sewage Upgrade Construction of reinforced concrete pump stations, part design and construct contract and surrounding structures Contract Value $800,000 plus
Infinity Constructions	Sydney Airport Recycled Water Plant Construction of reinforced concrete bioreactor to international and surrounding structures
Integral Energy Substation, Unanderra	Construction of reinforced concrete culvert for cable run, precast units and surrounding structures Contract value - $1,400,000
Shell Clyde refinery	Basel Polypropylene Cooling Tower Construction of base support structure for large cooling tower plant. Contract value - $600,000
John Holland Engineering	Cronulla to Sutherland Rail Duplication Construction of bridge abutments, walls, approach slabs, retaining walls and capping beams.
John Holland/Sydney Water Joint Venture	Brooklyn and Dangar Island Sewerage Scheme Construction of reinforced concrete bioreactor and water/sewerage tanks, various building slabs, concrete to roadways, hardstand areas and drainage structures. Contract value - $1.02million
Theiss John Holland Joint Venture	Lane Cove Tunnel Construction of various concrete structures including major retaining walls, capping beams, pits, spilldrains, parapet walls and others. Contract value $4 million+
Shell Refining	Shell Oil Refinery, Rosehill Construction of base and walls to 600m of tank farm bund wall. Mogas Improvement project, shutdown works, maintenance works Contract Value $2 million +
John Holland Water	Prospect Reservoir Construction of reinforced concrete inlet structure and associated works, headwalls and drainage structures, concrete spillway, roadway and precast culvert installation.