Case Study

Mataura Valley Milk, Gore NZ

Water and wastewater steel tanks

Mataura Valley Milk opened in 2018 with a vision to ‘produce exceptional nutrition for a growing world’. Located near Gore, in the South Island of New Zealand, the plant manufactures and produces premium nutritional powders and creams for high-end markets. Purpose-built, with a capacity of 700,000 litres per day, it is one of the world’s most technologically advanced nutritional dairy plants.

 

THE CHALLENGE

With a clear site and a state-of-the-art new plant, Rendertech assisted Mataura Valley Milk in designing and installing new tanks for potable water and wastewater storage that needed to be low maintenance and durable.

 

THE SOLUTION

We specified five Tank Connection RTP (rolled, tapered panel) tanks, a well-proven solution for the dairy industry. The tanks ranged in size from 300 cubic metres to 2000 cubic metres and our services covered tank and foundation design, specification and building consent, civil works and foundation construction, tank erection, testing and commissioning.

Tank Connection are a highly reputable US manufacturer specialising in RTP steel tanks and dome roofs. As their regional agent, we’ve found their easy modular construction to be very quick to assemble, which creates significant time and cost savings for our clients.

Manufactured in a controlled factory environment, the tanks arrive with a high-quality coating and finish. Tank Connection run a full quality-assurance and checking process before shipping, so we receive a complete construction set, all clearly labelled and ready to erect.

From a safety point of view, we build the top module for each tank first, then jack that section up and add the next layer. The largest tank at Mataura Valley Milk is 12m high, so this technique saves the construction team from having to work at heights.

Tank Connection do not use lightweight panels with external stiffeners. Their designs are verified in New Zealand for our seismic requirements, and the customised tanks use heavier-gauge plate steel than most of the tanks around, measuring up to half an inch thick (12.5mm) on the bottom panels for strength and longevity.

Equipment used
RTP steel tanks


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