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Southern cross university car park building c

ADCO Constructions Pty Ltd

Bilinga, QLD

$1.9 million

In November 2018 ALLROADS was awarded the $1.9m contract to undertake construction of the Southern Cross University Car Park upgrade for Building C.

 

Specific scope of works included: 

  • Disposal of 629m³ of PFOS material,

  • 394m² of rock filled wrapped in A46 geotextile subgrade treatment,

  • Placement and compaction of  766m³ of CBR 45 material,

  • 12,660m² of pavement stabilisation, primed and sealed, 

  • Placement of 1,812tonnes of BCC Type 3 Multi-Grade asphalt and 1,212tonnes of  BCC Type 2 Multi-Grade asphalt,

  • 56m² of concrete medium, watermain connection,

  • Adjustment of 11 stormwater manholes, and,

  • Realignment of stormwater drainage lines.  

One challange faced by the project team was the differential settlement within the subgrade pavement previously treated from a previous project. This saw ALLROADS conduct pavement investigations, to redesign the pavement and undertake subgrade treatments including isolated replacement with CBR 45 material, rock filled wrapped in A46 geotextile and pavement stabilisation at various compositions.

 

Stormwater drainage structures, also affected by the differential settlement, were repaired and drainage pipes were relined in lieu of full reconstruction which saved the client a substantial amount of money.

 

The project was delivered one week ahead of program with Practical Completion issued upon the first inspection with no rectifications. The project was also delivered to the highest QHSE standards with no quality or safety non-conformances issued. 

 

 

  • Detailed co-ordination between Contractor, Client and Designer to allow for onsite work-shopping of design revisions

  • Maintained a safe and enclosed worksite 24/7 to minimise access risks to the general public and University Students

  • Effective and innovative use of on-site materials to minimise transportation of PFOS contaminated material

  • Disposal of 629m³ of PFOS soil

  • 12,660m² of pavement stabilisation at 6.5% stabilisation blend of cement, lime and fly ash (44kg/m²).

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