Projects

Camp Street, Toowong - Stonepitching

Description Projects: Brisbane City Council wanted to widen the area to install a footpath. Crosana Pty Ltd excavated the cut and to stop any erosion of the cut we installed a new stone pitched retaining wall including fencing. The wall was extended slighly, works were delivered on time, on budget and to the high standard that council has come to expect of Crosana Pty Ltd

Process:

Excavation of the cut (carfeully as there were services in the area)
Install Footing
Erect Stonepitch Wall
Concrete Capping to include post holes for fencing

Stuartholme Road, Bardon - Rock Face Stabilisation

Description: Brisbane City Council cut into the bank to allow for widening the road. Crosana Pty Ltd were contracted to stabilise the rock face after the cut. Suggested treatment for the bank was Shotcrete for some areas and rock fall netting for the remaining sections. Additional works were awarded throughout the project, works were delivered within the agreed timeframe and budget.

Process:

Drillling and Rock Bolt Installation
Steel fixing
Shotcreting, Shaping and Painting (Natracliff)
Install Rock Fall Netting

Currumbin Creek Road, Currumbin - Landslip Restoration

Description: Gold Coast City Council contracted Crosana Pty Ltd to repair two landslips along Currmbin Creek Road. The slips occured after repeated scouring due to heavy rainfall in the area. To eliminate any further damage to the adjacent road a structural design and geotechnical report was conducted and a gabion wall was suggested for treatment.

Process:

Clearing and Grubbing of all vegetation including tree removal
Excavation and Cutting into the Bank
Installing Gabion Footing - Rock Base to increase bearing capacity
Gabion Fabrication and Installation including hand stacking the baskets with blue rock
Landscaping

Ipswich Flood Restoration Works

Description: After the 2008 major flood event Ipswich City Council contracted Crosana Pty Ltd to complete flood restoration works at 12 Locations throughout Ipswich. The works continued for over 1 year at some stages we had 3-4 worksites open at once to complete works within allocated timeframe. Works included Floodway restoration, bank stabilisation, bridge repairs, drainage, pipe and manhole system repairs. Additional works were awarded throughout the project. All works were built to design and specifications and no defects occured. Our works eliminated any further damage and scouring and all structures withstood the next flood events and continues to do so.

Process:

Excavation, Deep Excavation, Reprofiling Flood Ways
Gabion Baskets and Mattress
Installing Rock Hydraulink Systems
Stonepitch
Landscaping
Installing Pipe Systems and Manholes

Gawler Place, Coomera - Boat Ramp Construction

Description: Gold Coast City Council needed the Boat ramp completly replaced and contracted Crosana Pty Ltd. The worksite was high in pedestrian movement and the boat ramp was completly closed for construction. Supervisors liasoned with the public and kept the site secured behind temporary fencing.

Process:

Demolition of existing ramp
Placement of subgrade material to ramp base
Installation of precast concrete toe planks
Pouring of concrete to remaining section of ramp and stamping
Placing rip rap (mass rock) to side of ramp
Minor Ashphalt works to connect road to ramp