Home > BMD Constructions utilise Kennards Concrete Care polyplaner bonding solution for widening F3 freeway

BMD Constructions utilise Kennards Concrete Care polyplaner bonding solution for widening F3 freeway

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article image Widening F3 freeway

A specially modified polyplaner from Kennards Concrete Care provided a concrete bonding solution during widening of the F3 Freeway, north of Sydney. BMD Constructions, which carried out the $65 million project between Mt Colah and Cowan, required the edge of existing concrete roadway to be scarified to facilitate bonding with the new pavement.

Nine kilometres of roadway was involved, and the area to be profiled was 50mm from the top, with untreated sections to remain above and below to allow some movement when the old and new pavements were joined.

A Schibeci polyplaner, attached to a mini loader, was modified to allow the tungsten teeth to work on the vertical face, while the skids were relocated so that the head could float along the top of the pavement.

According to Kennards Concrete Care, which worked with BMD Constructions on the project, said the first test runs were challenging. Kennards Concrete Care observe that their target of 500 lineal metres per day appeared impossible. However, after changing mini loaders and re-modifying the head, the target became realistic.

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