Re: Port Hills Road Riding - Post Earthquake

Postby Rik on Thu 9/Jun/16 8:52am

http://www.stuff.co.nz/the-press/news/8 ... -road-link

:p Well thank goodness they've moved all (or some of) the Lizards so that they can start the ground works to re-open Long Bays. :p
Rik
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""Cities are becoming more rational again, after the folly of car-centric planning," Colville-Andersen"
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Re: Port Hills Road Riding - Post Earthquake

Postby Rik on Tue 11/Oct/16 10:53am

Update - September 2016

The reopening of Sumner Road has moved a significant step closer, with the start of geotechnical risk mitigation works around Crater Rim Bluffs.

The work to mitigate the geohazard risks around Crater Rim Bluffs at the top of Sumner Road, is the first stage in works to re-open Sumner Road, and will be undertaken by McConnell Dowell, partnering with Beca, Doug Hood Mining and Geovert.

Works will include source rock deconstruction by scaling the upper reaches of the Crater Rims Bluffs, with a 400 metre long, 15 metre wide catch bench constructed at the base of the bluffs to protect the road below from rockfall.

A rock bund will also be constructed in Double Gully to the west of the Crater Rim Bluffs to capture rockfall from the bluffs. The bund will be several metres high and 50 metres long, and covered with basalt cobbles to reflect the basalt stone walls in the area.

To minimise environmental impacts and reduce cost, the existing road will now be used as a ‘haul road’ for transporting excess rock from the excavation of the bench, and structural repairs will be completed under the existing road. Using the existing road rather than constructing a separate haul road also makes a start on the repair work required to return the road to two-lane use.

Once the geotechnical risk mitigation work is completed, the next stage of work will begin, investigating the extent of the damage to retaining walls along the road. The road will then be repaired and reinstated. At this stage, it’s expected that the road will reopen in 2018.

https://www.ccc.govt.nz/the-rebuild/inf ... reopening/
Rik
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""Cities are becoming more rational again, after the folly of car-centric planning," Colville-Andersen"
Member for: 10 years 3 months

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