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By Angela Liu, Roger Shelton – 1 April 2021, Build 183
While the bracing requirements in NZS 3604:2011 Timber-framed buildings suit most buildings, the distribution rules of clause 5.4.7 are too lenient for some complex designs. During earthquakes, some Building Code-compliant buildings may move or flex, causing extensive damage. BRANZ research found which buildings are affected and suggests changes.
By Ann Galloway – 1 April 2021, Build 183
On-site stormwater management for new developments is now a requirement in many jurisdictions. This is what you need to know about options such as detention and retention tanks, soak pits and pervious paving.
By Greg Burn – 1 February 2021, Build 182
Proprietary wall bracing systems are commonly used to brace a building, but how are braced walls connected to a concrete slab? We look at both NZS 3604:2011 and proprietary wall bracing elements requirements.
By Reza Sedgh, Te Zhang – 1 December 2020, Build 181
From 31 August 2020, a range of new and extended building consent exemptions were added to Schedule 1 of the Building Act, including a range of options for building carports.
By Stephan Rupp, Dr Manfred Plagmann – 1 October 2020, Build 180, Feature article
BRANZ was called into a Dunedin school where too much ventilation caused excessive condensation in a large roof space. Understanding why this happened points to warm roofs being better in some locations.
By Bruce Sedcole – 1 October 2020, Build 180
BRANZ regularly receives queries about hold-down fixings to the exterior walls of timber-framed buildings. This overview sets out the fixing requirements in NZS 3604:2011 for resistance to uplift for the various framing members.
By Rob Teterin – 1 August 2020, Build 179
Emerging complex building façade designs can take up to a year to test, consent, fabricate and install. This makes it important for the project team to be on the same page from the start when it comes to design parameters.
By Bruce Klein – 1 April 2020, Build 177
This is the second article in Build’s new section on MBIE determinations. It looks at lessons from Determination 2019/057: Regarding the issue of a notice to fix for building work carried out without a building consent and over a property boundary.
By David Carradine – 1 February 2020, Build 176, Feature article
Higher-density housing is becoming more common and necessary as our population grows. BRANZ is helping designers with guidance on the specific engineering design methods and requirements for multi-storey light timber-framed buildings.
By Gerard Finch – 1 December 2019, Build 175, Feature article
More thought is needed on how the construction industry, known for its waste, can fit into the circular economy. In New Zealand, timber framing technology is being developed that allows for future reuse.
