Engineers. Managers. Planners

Gympie Arterial Road & Zillmere Road

Gympie Arterial Road & Zillmere Road

This project comprised preparation of a P90 cost estimate for the upgrade of Gympie Arterial Road and Zillmere Road intersection, Brisbane. The upgrade works will improve the safety of the left turn movement from Zillmere Road onto Gympie Arterial Road by converting the existing arrangement into a high angle entry left turn. The works include earthworks, pavement construction (asphalt and granular), traffic island reconstruction, carriageway drainage, pavement marking and signage.

Geleon provided the following services:

  •  Identified and prepared a schedule of standard work items in accordance with  Transport and Main Roads (TMR) specifications;
  •  Undertook a quantity take-off and prepared a bill of quantities;
  •  Prepared a P90 cost estimate in accordance with the TMR Project Cost Estimating  Manual;
  •  Performed a probabilistic Monte Carlo simulation using @Risk to quantify the  construction contractors, principles and project risks; and
  •  Prepared a report detailing the estimating process, methodology and presented the  estimated costs. 

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Harrison Infrastructure Group


September 2015


Aspley, Qld

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