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Precast reinforced concrete box culverts

Tru-Line Civil Logo. Brands for New Zealand companies, Greymouth, New Zealand.Precast concrete box culverts are steel reinforced. There are several accepted ways to install the reinforcement and the overburden appropriately sizes the amount of steel reinforcement needed.

This box culvert has specific loads associated with this site and conditions of use in a high rainfall alpine area on the River Bealey riverbed beneath the Tranzalpine railway. These conditions include burial depth, rail traffic, waterway loading, and impact loadings. The reinforcement in these box culverts is significant and that same reinforcing along with quality concrete and installation by TruLine Civil ensures at least a 100 year life cycle of service for this valuable component of infrastructure.

Safely documenting civil works photographically

1731_Excav_oversight-3994_2

The collegial oversight of the project by the main stakeholders was fine-grained. TruLine’s best practice compliance with rigorous quality assurance standards ensured the job was completed to standard, to budget, and in record time.

MagentaDot Brands’ photographer Shaun Waugh notes:

“My trans-Tasman Workplace Health and Safety qualification, and work site induction along with the rest of the crew working on each project, plus being kitted out in all the requisite personal safety clothing and equipment, ensures that I am able to move around the worksite within safe margins and offer no distractions from the tasks being documented. That said, I would add that I am grateful to the TruLine, Hawkins, KiwiRail and Opus personnel for their collegial attitude to my presence on-site during the Mngha Bluff box culvert installation.”

Next Mingha Bluff install gallery 3 post >>

Road realignment project purpose

State Highway 73 (SH73), or Arthurs Pass, is the primary and most direct transport link between Christchurch and the West Coast. It provides a strategic link not only to the towns of Greymouth, Hokitika and Westport but to the entire West Coast and is therefore an arterial route for tourism as well as basic infrastructure. The highway also sits within scenic Arthurs Pass National Park and affords easy access to the Park’s myriad alpine natural, historic and scenic short walks and spectacular roadside viewpoints.

1640-Culvert_site_pan-_2TruLine Civil commenced construction on this realignment project in May 2015. The realignment aims to improve road safety and reliability while minimising environmental impacts on Arthurs Pass National Park. A key component of the endeavour to minimise environmental impacts was the redesign and overall upgrade of the many culverts which pass from the Mingha Bluff catchment, beneath the road and carry on under the East-West branch of “Kiwirail’s” Christchurch to Arthurs Pass and Greymouth railway.

Benefits

Other sections of SH73 have been substantially upgraded over previous years, including major projects such as the Otira Viaduct, Candy’s Bend and Goat Creek improvements. A steady increase in traffic using the highway has resulted as the route is become safer, less challenging to drive and more reliably open in most weather.

1649-Exc_daylight-3938_3Safety is the major concern along SH73, particularly between Mingha Bluff and Rough Creek, as this section has been one of the last risky, difficult, narrow sections. The road is narrow at many points and there are a sequence of tight corners that have very poor sight distances. This section of Arthurs Pass has therefore been unsuitable for cyclists and pedestrians due to the narrow winding road, tight blind corners and the lack of a road shoulder between rocky bluffs and steep drop-offs in several places.

5:00–6:30pm Excavating the cut, nightfall, steady drizzle sets in, arrival of crane


Description


Project name: Tru-Line Civil Website case studies portfolio
Client (Industry):
TruLine Civil (Construction/Contracting)
Discipline: Documentary photography / Corporate communications design / Infographics  / Technical writing / Web content management
Format: Website / Case Studies / Methodologies
Location: Mingha Bluffs SH73, Arthurs Pass, New Zealand
Date: July 2016


Credits


Design firm: MagentaDot Brands
Photographer: Shaun Waugh
Client: Tru-Line Civil


Category:
Photography, Copywriting, Web content management, Web design, construction contracting, documentary photography, Web graphic design, Website, Web page
Tags:
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