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Concrete In Australia : December 2013
12 Concrete in Australia Vol 39 No 4 NEWS tapers, sloping stopends and tie locations. The formwork designers in Germany identified every plywood rib required to construct the intricate formwork boxes. The ribs were manufactured by a locally-sourced Computer Numerical Control milling machine. Full onsite supervision was provided by PERI throughout the complex formwork assembly process. The subcontractor, Q Concrete, was charged with the delicate task of physically assembling all the formwork components and then placing the concrete to achieve the architectural finishes specified. ADCO’s extensive design and construction experience was instrumental in the successful deliver y of this highly complex facility. PERI’s comprehension of the physical limitations onsite, and the practical transformation of the design into construction, proved crucial. Commissioning an expert in formwork ultimately translated into the successful delivery of the completed structure. Formwork in Australia The scoops epitomised the temporary works challenges of any concrete construction project in Australia, particularly those pertaining to formwork. In Europe, formwork engineering specialists are routinely consulted and engaged early in the project timeline. This practice results in the mitigation of construction costs and the optimisation of the program, and therefore optimisation of the budget. The Australian practice typically is the opposite, with formwork methodology often treated as an afterthought. The SASA experience makes a strong case why European formwork practice warrants serious consideration in this country. Research shows that formwork labour costs can comprise up to 47% of the cost of a reinforced concrete structure. Optimising the use of formwork can yield significant savings to concrete construction costs overall. The theme of the recent Concrete 2013 conference was “Understanding Concrete”. Our understanding of concrete can be significantly enhanced by recognising the concrete/formwork symbiosis; understanding formwork will synergise our understanding of concrete. More pertinently, the sustainable, ongoing relevance of concrete as a construction material can only be achieved through a more enlightened approach to our understanding and consequently our utilisation of formwork and formwork systems. It is incumbent upon all concrete construction stakeholders to place more emphasis on the role formwork plays for every concrete structure, not just the complex iconic ones. This will guarantee the successful and sustainable usage of concrete as a construction material into the future. Carlo Garofali is National Engineering Manager at PERI Australia. Brad McCarthy is National Business Development Manager at ADCO Constructions. With over 10,000 mixes on offer, Hanson is your single source for concrete for all projects ranging from footpaths and driveways, to houses and large infrastructure developments. For orders and enquiries: Concrete 13 2662 Aggregates 13 3666 4-16 News.indd 12 4-16 News.indd 12 25/11/13 2:37 PM 25/11/13 2:37 PM