HIGH-RISE CONSTRUCTION Ӏ SECTOR REPORT
FLAT-TOP FOR GCC
Raimondi also introduced a new tower crane, the T577, though this is a flat-top rather than a luffer. The launch took place at the Big 5 Construct Saudi exhibition, which took place in Riyadh, Saudi Arabia in February.
It is another large crane – the
largest, in fact, in the Raimondi portfolio – and its introduction has a similar rationale. It aims to support the international - and particularly the Middle Eastern - increase in demand for machines with greater lifting capacities combined with high efficiency, precision, and ease of operations. “We launched during Big5
Construct in Riyadh to allow our regional clients first-look at the specifications, as this crane is designed to support large infrastructure projects – specifically those in Saudi and the wider Gulf Cooperation Council (GCC),” says group CEO Luigi Maggioni. Wael Hasan, general manager of Raimondi Middle East, adds:
Raimondi’s
T577 flat-top tower crane
“High-capacity flat-tops remain in high demand in the GCC. This is particularly so in Saudi Arabia where developers prioritise topless tower cranes with 24-tonne capacity and above as essential for large-scale projects. The increasing use of precast and steel structures, especially in fast-track projects, is further driving demand for efficient lifting solutions shaping the region’s construction landscape.” The new flat-top is part of the T series. It has a maximum jib length of 80m and a tip load of 3.14t in Ultralift mode. Maximum lifting capacity is 24t in four falls configuration. Ten different jib length combinations are possible, from 80m to 36m; the last three configurations offer shortened jibs and counter-jibs which give improved crane stability. This, with the enhanced versatility in tower configurations, allows for greater flexibility in terms of freestanding heights and can satisfy a broad spectrum of jobsite requirements. Maximum lifting speed is
21.88m/min with 110kW hoisting gear; drum capacity is 1,030m; these again are designed with large-scale development jobsites in mind. The hoisting winch is fitted with an emergency hydraulic brake to further enhance safety. Like other cranes in the series the T577 is equipped with Raimondi’s ConCore control system. Electronic sensors combine with dual control, which allows for swifter commissioning, precise calibrations, and instant troubleshooting during operations. The effect is that site downtime is minimised.
CONTROL AND FLEXIBILITY Control also features heavily in new offerings from Wolffkran. At the recent Bauma it launched the Wolff 550 B luffing jib tower crane which fits into the company’s portfolio between the Wolff 355 B and the Wolff 630 B. The Wolff 550 B is powerful, has a high lifting capacity, and offers flexibility. The crane has
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