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Know-how from a single source for all construction tasks

5 באוק׳ 2016

Press release set

5 באוק׳ 2016
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SPRM Administration Building, Putrajaya, Malaysia

In the government district of Putrajaya, a new administration building of the Malaysian Anti-Corruption Commission (Suruhanjaya Pencegahan Rasuah Malaysia: in short, SPRM) is being realized. For constructing the elevated high-rise complex, PERI planned and delivered the formwork and scaffolding solution from a single source. The systems used were perfectly matched to one another resulting in a safe and time-saving execution.

In Malaysia, the architecture of the elevated building has a very long tradition – it has usually been employed to keep out wild animals or prevent flooding of living rooms and bedrooms. In the government district of Putrayjaya, this construction method provides the high-rise complex with an extraordinary architectural design. The first 30 floors of the three building complexes are elevated on delicate inclined supports. A massive intermediate level seems to hover at a height of 40 m. In addition to the special architecture, the ambitious construction schedule provided a special challenge.

Comprehensive service from one source

PERI engineers planned and delivered the overall concept of the wall, slab and climbing formwork through to the appropriate formlining for the required concrete surfaces. A particularly important role in the project‑specific planning services was played by the spatial working scaffold and shoring solution which was based on the PERI UP modular scaffold system. The construction team could realize the stable structure base efficiently, safely and in a correspondingly short time right from the very beginning.

Coordinated climbing formwork and shoring solution

For working at heights, PERI engineers planned the project-specific optimal combination of different climbing systems. With the help of RCS Climbing Formwork units, CB Working Platforms and BR Shaft Platforms, the vertical reinforced concrete components and circular inclined supports were efficiently and safely constructed. For the most part, the VARIO GT 24 Girder Wall Formwork was combined with the respective climbing system. Following the fast working speed of the climbing technology, PERI UP was assembled as a birdcage scaffold with a basic grid of 1.50 m x 1.50 m. The scaffolding provided safe working and access areas at all levels. In addition, corresponding intermediate supports could be realized with the construction for the required horizontal bracing of the inclined reinforced concrete columns. The solution for this temporary stabilization of up to 30 m high inclined columns was developed by PERI engineers in close cooperation with the structural engineers from ARUP; for this, ST 100 Stacking Towers were used as well as specially developed connection components.

Flexible adjustment to suit different geometries and loads

The dimensioning of the PERI UP birdcage scaffold was especially coordinated to accommodate the subsequent load-bearing function in order to concrete the up to 1.80 m thick intermediate slabs at heights of over 40 m. Due to the 25 cm system grid, the scaffolding could be flexibly adapted to suit the building's geometry. As a result, different set‑up levels, circular columns at inclined spatial angles as well as increased load concentrations could be taken into consideration – and this with optimized material quantities. In the birdcage scaffold, integrated PERI UP aluminium flights of stairs also provided safe access to all areas.