Page 3217 - Week 08 - Thursday, 16 August 2018
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Gungahlin Drive and Nari Street available for pedestrian and cyclist use that is retained as part of the project.
(h) 14 WHS incidents have been reported within the construction area.
(i) Hazards identified and mitigation measures include: 1. Risk of objects falling into traffic lanes while loading/unloading – use of spotter when loading/unloading and use of stop/slow bat on adjacent traffic lanes. 2. Risk of service strikes when excavating – additional service locating undertaken and amendment to Safe Work Method Statements to utilise mud buckets in lieu of toothed buckets.
(3) Future estimated transport demands taken from the Canberra Strategic Transport Model are used to determine which sections of roads require additional capacity or duplication.
When undertaking the intersection traffic analysis for the proposed signalisation of the Gundaroo Drive/Mirrabei Drive intersection it was identified that there is a high demand in the AM peak for vehicles turning right from Mirrabei Drive into Gundaroo Drive through the intersection. To accommodate this, a two lane right turn movement was required to minimise queuing and delays for this movement.
(4) Mirrabei Drive is having an additional lane constructed southbound between Paul Coe Crescent (south) and Gundaroo Drive. This will provide two lanes southbound from Paul Coe Crescent to Gundaroo Drive. The traffic modelling does not show a demand for northbound duplication at this time.
(5) Duplication of Mirrabei Drive northbound is not currently on the 10 year infrastructure plan.
(6) Transport Canberra and City Services and the Minister’s office have responded to a number of concerns raised during construction.
(7) Key concerns raised and responses to these include:
i. Duration of the works – The project has experienced significant challenges in adjusting or relocating third party utility services which has caused delays beyond the original forecast completion. TCCS have worked with the construction contractor to expedite completion of the works, mitigating some of the impacts of recent wet weather.
ii. Concerns regarding the continuity of noise walls along the extent of the duplication – Additional noise walls totalling 138m of extra length have already been provided as part of the project (beyond what was originally proposed and DA approved). Investigations are being undertaken into providing additional mitigation measures at breaks in the noise walls.
iii. Site tidiness – The contractor has consolidated stockpiles of materials, slashed long grass and removed waste from the site. TCCS is continuing to work with the contractor to ensure the site remains in a tidy state.
(8) Works are being delivered within with the contract program which accommodates approved extensions of time of approximately 15 months. The project is still being delivered within the approved budget.
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