Case Study:
Dump Rock

The scope of work was to remove rock beams across major access roadways of a premium residential estate .

  • Client: Premium Residential Estate
  • Project Type: Dump rock (Paving)

About this Project

The scope of work was to remove rock beams across major access roadways of a premium residential estate – the dump rock was set in concrete as a design feature across intersections and to delineate parking bays. However the dump rock was prone to working loose from the concrete in which it was set, and was uncomfortable to drive over, even damaging low-slung cars; it was also a tripping hazard for pedestrians and a danger to cyclists. PaveConsult was required to remove the rock beams and fit suitable pavers.

The site was sectioned off according to the project plan and the rock beams excavated. At client request, the dump rock was sorted from the concrete for client re-use. Bosun Brick 300 x 100 x 80 mm pavers were fitted on a new sub-base to replace the beams. The adjacent areas of Infraset Village Cobble pavers were repaired as necessary to give an even surface; new pavers were supplied to cover breakage and cutting. A wet cement grout was applied to all the joints and margins. The site was well managed regarding the storage of pavers, river sand, plaster sand, cement, and with the regular removal of rubble.

The constraints on undertaking the project were three-fold:

  1. Minimise traffic disruption as this was the major entrance to the estate as well as a school. Pave Consult only required the main entrance closed for three days (planned over a long-weekend); beyond that, traffic was always allowed using cones to identify temporary lanes and to demarcate the works areas.
  2. There was a particularly tight deadline based on a two-week school break; the team worked through the weekends and over a public holiday to complete the project, and full road access was opened on the Monday as required. We did, however, return the following Saturday for some minor snagging.
  3. The removal of dump rock required jack-hammers, which was a time-consuming process; and testament to the hardness of the concrete that four breaker-points broke

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