The tolerances called up in table 5.2 NZS3109 “Tolerances for in-situ construction” are not achievable on elevated concrete floors. The relationship to datum is specified as +/-10mm. With deflection and ongoing creep this is not going to be acheived. Then for flatness it references NZS3114 requirements. 5mm in 3m is also not going to be achieved 100% of occasions and if you have…
We were pleased to receive this glowing testimonial From Macrennie Commercial Construction recently regarding Conslab’s Health and Safety knowledge and procedures. H&S is of the utmost importance to our organisation and it’s fantastic to have this recognised by a long term partner. “We have worked with Conslab for nearly 15 years, reviewing their Site Specific Safety…
If you are interested in what is happening with concrete volumes you can check out the statistics at the Golden Bay Cement website. The March quarter shows volumes running at 917,314 m3 but this is actually the second quarter running that volumes have declined. The biggest quarter was September 2014 at 990,616 m3.
INTRODUCTION This paper describes some of the design and construction aspects of a post-tensioned floor and pavement for the Fonterra Co-Operative Group Ltd’s. Te Rapa milk powder storehouse. The project posed several significant challenges. These included mitigating the risks and effects of the large shrinkage movements experienced by these slabs, designing for extremely high loading,…