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SH25/SH25A Thames-Coromandel |
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19 May 2023 |
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SH25A - getting a contractor on boardA bridge was selected as it will reconnect the Coromandel Peninsula communities in the shortest time possible, it’s the safest and most resilient option, and work can continue throughout winter. We have the expertise in New Zealand and this region to complete this important piece of work and we’re well into the procurement process. This week, two consortia were selected who are now preparing their bids. By early next month we expect to announce the successful consortia who will be building the bridge and reconnecting SH25A Kōpū to Hikuai. From this point we will be able to share the type of bridge (steel or concrete), how it will be built, estimated construction costs and a little more certainty on timings. Soon after the contract has been awarded, the plan is to have them establish on site and get things underway. Did you see the video of Jo Wilton, our Regional Infrastructure Delivery Manager, explaining why we’re building a bridge and how the decision was made? If not, take a look here. |
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SH25 clean up and maintenanceAfter cleaning up after last week’s storm events we’re back into it again, with more bad weather forecast. Fortunately, the network didn’t suffer any additional underslips, despite very high rainfall volumes, thanks to the huge amount of work put in to maintain and repair the drainages systems. As we head into winter this network will continue to be challenged by storm events, and we have a dedicated team on call, making sure the road remains safe. This work includes overslip benching, drainage repairs, overslip and underslip stabilisation, and major vegetation clean-up. People are encouraged to take care while out on the road, especially if it is raining. To keep access around the SH25 loop open, we have prioritised safeguarding these two sites and work continues on repairing and rebuilding them. Both sites have traffic management in place - see below: |
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Heading into winterAs we head into winter, our teams have five key areas to monitor:
Recent and upcoming priorities include: SH25 Wilson’s Bay – fixing and stabilising the bank and clearing the drain. Manaia Hill – major asphalt smoothing work completed Monday 15 May. Manaia to Te Kouma Road – Road surface repairs are needed due to slip damage, work will take place from this Sunday 21 May, for three nights. A full road closure will be in place from 8pm to to 5am each night, with 1 hour between 11pm and 12am (midnight) to allow for vehicles to pass through the site. Kūaotunu hill to north of Simpsons Beach – there are multiple underslip sites, impacted culverts and retaining wall failures to be addressed. Geotechnical investigations continue in this area and from Monday 22 May drilling will start between Kūaotunu and Wharekaho. South of Whenuakite – Where a 30km/h zone is in place, this site is often damaged and the summer storms have further impacted the surface and drainage. Work completed to date includes, removing a huge amount of slash and debris, realigning the banks of the stream, and reconstructing the road shoulder and banks above the stream. Currently work continues on reconstructing drainage systems, the road pavement and surface. Pumpkin Hill, north of Tairua – there are multiple underslips being stabilised, monitored and drainage solutions have been put in place. Geotechnical investigations will take place next week from Monday 22 May. SH25 Moana Anu Anu Bridge (also known as the Wentworth River Bridge). The bridge, which is located near the intersection of Tairua and Port roads, will be closed to all traffic from 7am to 5pm Friday 9 June, for essential maintenance work. SH25 Whiritoa Hill underslip – site investigations completed, drainage solutions in place while designers confirm repairs. Site regularly visited and photographed for monitoring. |
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Keeping people safe on SH25While SH25A is closed, we want everyone who uses SH25 to get to where they’re going safely so we are assessing the road for temporary speed limits and any other safety improvements that might be needed during this time. Our safety engineers will be completing a SH25 drive-over next week, inspecting all SH25, to assess what safety work is needed and where to propose temporary speed changes which we hope to have in place in June. We’ll keep the community informed as we progress this important piece of work. |
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Keep up-to-date
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