fire-explosion

Notice – Managing the risk of welding related fire and explosions and the role of the welding supervisor

The risk of fire and explosion is ever present with welding and thermal cutting and the fatal accident at an Auckland tank farm is a timely reminder of this. It is no coincidence that most welding equipment and welding consumables come with warnings either in the user instructions or on the packaging. Nor is it…

worksafe-nz

Notice – Amendment to code of practice for above ground stationary tanks with integral secondary containment

Worksafe New Zealand is consulting on a proposed amendment to the Code of Practice HSNOCOP 24 Above Ground Stationary Tanks with Integral Secondary Containment. The Code applies to the design and installation of above ground stationary tanks with integral secondary containment. It provides a means of compliance with the requirements of Clause 3 of Schedule 9…

vibrate-it-app

DIY vibration testing

The two most advanced design guides on floor vibrations are SCI Publication 354 and CCIP-016 for steel-framed buildings and reinforced concrete buildings, respectively. Both design guides permit engineers to predict the response of structures due to human-induced vibrations to enable comparisons to be made with acceptance criteria contained within standards such as ISO 10137. Standards…

jing-cao-hera

Welcome to Jing Cao – our new Senior Structural Systems Engineer

HERA is pleased to welcome Dr. Jing Cao to the Structural Systems division. Jing graduated with a Bachelor of Engineering from Tongji University in Shanghai, China. He obtained his PhD from the University of Southampton, UK, which was fully supported via EPSRC research funding. He has design and assessment experience in the UK, China, Australia…

procurement-contract

Notice – Meeting new government procurement rules in steel construction

The recent tender round for a Christchurch cornerstone project highlighted the need for clarity around what information is required to allow the procurement decision makers to comply with the new Government Rules of Sourcing whose 3rd Edition came into force on the 1st July 2015. On 1st February 2015 an additional 103 crown entities joined the 29…

fire-contour

Notice – Temperature distribution in typical composite slabs under standard temperature-time fire condition

Temperature-time (T-t) curves and temperature contour plots due to the ISO 834 standard fire loading curve for typical New Zealand composite floors have been calculated and presented in tabulated format. The temperatures in 10 minute intervals up to the requested fire resistance rating have been reported for the slab top face and along the thinnest…

standards-australia

Notice – Correction ammendments to AS/NZS 1554 Structural Steel Welding Part 1, 5 & 7

In May 2015, Standards Australia senior management was alerted to the fact that the 2014 editions within the AS/NZS 1554 suite contained material that was included without adherence to Standards Australia’s standards development processes. The relevant material relates to specifications contained in the following standards: AS/NZS 1554.1:2014 Structural Steel Welding, Part 1: Welding of steel…

oasys-vote

Call for comment – Design software for composite design standard AS/NZS 2327

As the new design standard for composite construction AS/NZS 2327 nears completion, consideration is being paid to what software tools will be needed by designers. Our General Manager Structural Systems Dr Stephen Hicks has encouraged Arup’s software house Oasys to implement the new AS/NZS 2327 within their Compos programme, which enables users to design composite beams…