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Aerial view of site compound and bulk earthworks at Redwood Land and surrounds (looking east). Aerial view of the project site, looking towards the west showing bulk earth works, environmental controls and in the foreground the location of where the connection to Kaweroa Drive will be constructed. This stage of constructing a retention pond outlet is called armouring, where the team fill the base of the outlet with large rocks to reinforce the slopes of the pond, to create a stable surface on the slope. Construction of a temporary access track on the southern side of Redwood Lane is underway. An initial treatment pond and a main pond are in place as part of the project’s short-term sediment controls. Construction of the short-term sediment control pond in the wetland area for treatment of stormwater run-off during construction. Bulk earth works getting underway north of Redwood Lane, with topsoil being stockpiled for re-use later. Construction of the sub-base structural fill layers for the new SH29 roundabout footprint. Construction of the sub-base structural fill layers for the new SH29 tie-ins for the roundabout. Graded metal being layered to construct the sub-base of the new tie-ins to SH29 traffic lanes showing the geotextile layer used to stop fine material moving up. Surveying, carting fill to site, compaction of material are underway and environmental controls in place north of Redwood Lane.
The SH29 Tauriko Enabling Works project team at the new site compound for their weekly health and safety meeting.
Overview of the Redwood Lane site showing environmental controls in place (white bunds to prevent water run-off from site). The beginnings of the roundabout can be seen at the corner of Redwood Lane. Looking south along SH29 more environmental controls have been installed including sediment retention ponds, and decanting earth bunds. These are a temporary berm or ridge of compacted earth constructed to create impoundment areas where ponding of run-off can occur, and suspended material can settle before run-off is discharged. These act as a water treatment to prevent sediment run-off from the site. Night works to install the temporary guardrail and safety barriers along SH29. These will be removed at the completion of the project. The team “potholing” (concrete sawing sections of the road surface) before investigations of underground services can take place along SH29. The team is holding temporary noise mats in place to minimise noise to the neighbouring properties. Marking out locations for underground services investigations on SH29. The team is working in a lane that has been closed to traffic to enable works to take place. Locating the underground services (gas, power, water, fibre and telecommunications) is essential to ensure safety as well as preventing disruption to these services. The site office building lifted into place at Redwood Lane. The team will be working out of the new site compound for the duration of the project. Earthworks are underway on what will become the new SH29 traffic lanes into the roundabout at Redwood Lane. The new lanes will be slightly west of the current highway, with part of the old road being retained for residents’ access. The team carting and compacting fill material on what will be the new northbound access to Redwood Lane from SH29, utilising some of the heavy machinery to construct the new roundabout and road layout. Hydrovacing is underway to locate underground services along SH29. Hydrovacing is a safer methodology than drilling, and uses water to penetrate the ground to expose underground services.