News

Flumin’ good job!

     BurrowTech has recently played a part in history by designing and manufacturing a large flume for Watercare’s billion-dollar Central Interceptor project. The Central Interceptor is a giant 16.2-kilometre-long 4.5m internal diameter tunnel running from Point Erin, Herne Bay, to Māngere Wastewater Treatment Plant. The tunnel sits deep below ground (15-110m) and collects flows ...

Read more

Posted: February 11, 2025Category:

Trenchless versus open construction: We’ve weighed the savings up.

Trenchless technologies are more than proving their worth, compared with traditional open construction. First off, time is money. With trenchless solutions, time on jobs is massively reduced. There are fewer hours on traffic and pedestrian management, less risk, and road and pavement reinstatement is all but eliminated. You don’t get the disruption and the grief ...

Read more

Posted: January 21, 2025Category:

The beauty of Brandenburger’s UV liners

Recently named by National Geographic magazine as one of the top 25 places in the world to visit in 2025, Northland has a lot to offer. Among its attractions; abundant wildlife, a marine playground and spectacular views. On the secluded stunning Parekura Bay, a luxury residence building site had the unwanted potential threat of an ...

Read more

Posted: November 13, 2024Category:

By-pass plug, Vauxhall sewer pump station upgrade (sewer bypass).

  Working on a pumping station in a really tight space and next to a sensitive marine environment could be your worst nightmare. But, working with Prime Fluid Management, their contractor, and the Dunedin City Council, BurrowTech came up with a great, and very successful, solution. An added benefit – it was fairly much plug ...

Read more

Posted: October 18, 2024Category:

Central Interceptor: Haycock Flume/Pump Station 23

The Auckland, Tāmaki Makaurau, Watercare’s Central Interceptor project is massive by any standards. Started in 2019,and scheduled for completion in 2026, it will be New Zealand’s largest wastewater tunnel. It will lie between 26 and 110 metres below the surface, from Pt Erin in Herne Bay to Māngere Wastewater Treatment Plant. Along with two smaller-link ...

Read more

Posted: September 25, 2024Category:

Ports of Auckland Outfall Upgrade, Auckland, Stanley Street

Auckland Council engaged McConnell Dowell to deliver the Ports of Auckland outfall project. When complete, it will significantly upgrade the stormwater system in the downtown port area, increasing its capacity to deal with flooding. The new outfall will operate in parallel with the existing culvert, allowing either culvert to be isolated for maintenance and cleaning ...

Read more

Posted: August 27, 2024Category:

Newmarket, Auckland – 400mm UV Liner project

The intersection of Great South Road and Broadway in Newmarket, Auckland is one of the busier in a very busy city. It’s chic. With a large Westfield mall on one side and high-end car dealerships on others, and a very steady traffic flow in between. The pipework below, however, was not so glossy. Step-up NZ ...

Read more

Posted: July 30, 2024Category:

Round, square, or egg-shaped – sealing cushions calculations.

Not all pipes are the same. And they come in a range of shapes and sizes. Some reasons are historical, (they used brick!) some are practical. It’s 100% important that you take the time to get all calculations right. Lives depend on it. And remember: for non-circular special profiles, only the devices with special sealing ...

Read more

Posted: December 19, 2023Categories: ,

Do inflatable plugs fit different pipes?

If I had a dollar for every time someone asked me: ‘do inflatable plugs work for different size pipes?’ I’d be a rich man. Though I have definitely saved people heaps of money along the way! The answer, by the way, is ‘yes’. In most cases inflatable plugs (also called pneumatic pipe plugs) can double ...

Read more

Posted: November 7, 2023Category:

Pipe safety first, second and third!

Inflatable pipe plugs and sealing cushions are fantastic tools. And, for infrastructure work, especially, you totally can’t get by without them. But, as always, it’s a matter of safety first. (And second and third.) Absolutely nothing beats proper training. And anyone who is an “assistant” or is in training should always be closely supervised for ...

Read more

Posted: October 15, 2023Categories: ,