Johnston Civil is an award-winning civil construction company based in Selwyn District in the central South Island. Paul Johnston from Johnston Civil, contacted BurrowTech, looking to hire a plug for a 1250mm pipe on a Christchurch land development project in Halswell. Milns Green boasts picturesque views, and the tranquillity of a suburban lifestyle, just a ...
A large (2.2 km) upgrade to the Upper Riccarton Interceptor in Ilam, Christchurch, started in 2024 and is expected to finish mid-2026. The upgrade will improve wastewater infrastructure along Clyde, Creyke and Maidstone roads. It will also address increasing demand in this busy, fast-growing area which includes the University of Canterbury. Minimising disruption in this ...
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 ...
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 ...
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 ...
