We hear about better building performance through air tightness all the time. You’ve probably heard you can test for it with a blower door. But if that’s what you want, how do you get it? Here’s some guidance on how to specify for air tightness and a test to prove it.
With the current shortage of rain in much of NZ, especially in the North, it is appropriate to recognise the long-term change in rainfall patterns and to give serious consideration to having water storage for domestic use at most dwellings.
There are misconceptions about BIM’s applicability to existing assets but a recent project at Hamilton City Council’s Pukete Wastewater Treatment Plant exemplifies how BIM technologies can be utilised to provide a rich, multi-dimensional picture of existing assets.