Mingha Bluff culvert install 5
9:00–10:43 pm, completion of culvert installation
Immediately after the final upstream section of culvert was placed at 9:10 pm, the 6 x high-tension steel threaded rebars were completely pushed through the 10.5m culvert. The multi-thread 80 ton post-tensioning of the culvert was executed using a Hydraulic Steel Rebar Tensioner. The task of tensioning the first tierod got underway just before 9:30 pm.
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Stylish, smooth, glamorous and fun! 
This well executed redesign of Christchurch 