BBI Airport, Berlin-Schönefeld, Germany
Structural work for passenger terminal completed in only one year
The Berlin Brandenburg International Airport (BBI) is one of the largest traffi c infrastructure projects in Germany. For the passenger terminal, 30 cranes and around 800 site personnel worked in two-shift operations so that the planned 12-month construction schedule could be maintained. In addition, the very tight schdule meant that enormous quantities of formwork and scaffolding materials, as well as a comprehensive formwork and scaffold solution, were required in order to form approx. 200,000 m³ concrete on time and cost-effectively.
In the course of the BBI development, the airport was extended by an area of 970 hectares. 30 cranes and 800 site personnel worked in two-shift operations so that the short construction schedule could be maintained. In the space of only 12 months, BAM Deutschland AG completed the structural work for the passenger terminal of the biggest airport development project in Europe. PERI planned and delivered the formwork and scaffolding systems, and impressed with its engineering expertise along with the delivery of large quantities of materials in a very short space of time. The, in part, enormous peaks in demand for system equipment was covered by the PERI rental park - optimized to suit on-site material requirements and strictly controlled in relation to the tight schedule.
The foundations and walls of the buildings with different wall thicknesses and ground plans were formed with TRIO panel formwork. For the reinforced concrete columns, the most suitable column formwork system was used according to height and crosssection requirements in each case. Due to the static reasons, most of the slab areas had to be concreted in one pour together with the main and secondary beams. For this purpose, customised tables with with a high load-bearing sub-structure, comprised of SRU steel walers and GT 24 formwork girders, were used for the main beams and standrad table modules for the secondary beams. TRIO panels formed the side formwork for the beams whilst MULTIFLEX girder- slab formwork was used for the slab. For the sub-structure, PERI UP Rosett shoring towers, MULTIPROP aluminium slab props or PEP steel tube props - according to the load and height - were available. In order to ensure fast construction progress, almost 2,000 modular tables as well as more than 700 customized slab tables were in use on the construction site.
These could be quickly and easily moved on each of the fl oors by means of the transportation trolley. In order to optimise and reduce on-site material requirements, a PERI project manager was appointed. In close co-operation with the contractor, formwork requirements - in terms of cost reduction measures - were matched to the actual construction progress. This provided invaluable support for the site management regarding task coordination, and minimised the rental costs for the formwork and scaffolding.
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