UK tower crane rental company Bennetts Cranes has deployed the worlds first Potain MR 309 on the ‘40 The Broadway Office’ building in Westminster, London.
The MR 309 has a maximum capacity of 25 tonnes and up to 60 metres of jib with a tip capacity of 3.4 tonnes. It was erected on the site with a 55.2 metre jib and a 12.5 metre tower and will remain in place for a year.
The crane on site in Westminster
The jib can be mounted horizontally, section by section, making it easier to install on tight job sites, additionally, no component of the crane weighs more than 10 tonnes, facilitating easy erection. It also features a jib pivot height of 2.0 or 2.4 metres above the slew ring connection to the tower, as well as improved load charts. The out of service radius is 9.5 to 12 metres without the need for anchoring.
Erected on a 12.5 metre tower
Bennetts managing director, Edward Seager said: “We worked hard to find the right solution for the site that met its requirements and was available for an April start date and duration of the job.”
“The new Potain MR 309 with its 25 tonne maximum load capacity was the only solution that satisfied all the site requirements. Other conventional rope luffing jib tower cranes could give us the lift capacity we needed but could not achieve the out of service radius required. Hydraulic luffing jib tower cranes could meet the out of service requirement needed but not the lift capacity. The Potain MR 309 was the best solution.”
Potain and Bennetts have been working together since the 1990s.
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