Pulp Paper & Logistics


LOGISTICS 13


Novel crane design optimizes unloading Highlights from the latest SCA logisti cs magazine New Ways, by Jennie Zett erqvist


more effi cient. Marine Crane from Piteå handles all unloading of ti mber at the mill’s quay and has developed the crane based on a mechanical excavator. “The new crane increases capacity, secures reliability and improves the operator’s environment,” says Mikael Sundelin, ship and imports coordinator at SCA Forest Products. SCA Munksund manufactures paper for consumer and transportati on packaging, most of it based on fresh wood fi bre. Imported birch is mainly used to produce packaging paper with a white surface. It is imported primarily from Estonia and Latvia and SCA Logisti cs is responsible for the marine transportati on. The factory’s locati on on the Pite


A


river creates special conditi ons for vessels that bring these imported goods.


new, specially-designed dock crane is making ti mber handling at SCA Munksund in Sweden


“It’s a somewhat diffi cult channel


that has to be navigated during daylight hours and it’s important that we are able to unload immediately so that vessels can leave the following day. Because we are in the far north, there are few hours of daylight during the winter and the new crane developed by Marine Crane secures our capacity in a diff erent way. The new, larger crane can do the work previously done by two older cranes.” Marine Crane built the crane


by customizing a Volvo EC700 excavator dati ng from 2010. The company has constructed a number of similar cranes by converti ng excavators since the 1990s and their latest project has the best performance yet. “Converted excavators have


proved to be a very good alternati ve to traditi onal dock cranes. We work together to create economically smart, effi cient crane soluti ons,” says Marine Crane’s managing director Janne Lindbäck.


It took seven months to develop


at the company’s factory in Piteå. The most important modifi cati ons are that the excavator now has a longer (14 metres), stronger jib. The 11-ton counterweight has also been replaced with one twice as heavy. It is mobile and follows the jib’s movements. This soluti on allows a ti mber grab


to be used that is twice as big as before, and Marine Crane expects to be able to increase capacity by approximately 40 per cent,


measured in tonnes, and maintain the same fuel consumpti on. Spares are also readily available for the new crane and the operator’s working environment is clearly bett er. Other ports have shown


interest in Marine Crane’s latest constructi on, which is one of many innovati ve soluti ons that the group has come up with. Marine Crane sees disti nct advantages in driving development in their role of supplier to SCA.


World’s biggest vessel being completed at Rotterdam


Logisti cs experts will wonder how much shipping costs could be reduced as the world’s biggest- ever vessel reachs completi on. The fi nal assembly of the


biggest-ever vessel is under way at Port of Rott erdam. The main constructi on of Pioneering Spirit was carried out at the Daewoo shipyard in Korea and the vessel is being completed in the Netherlands with a total project cost of €1.3 billion. Pioneering Spirit is the world’s


largest platf orm installati on/ decommissioning and pipe-laying vessel and has been built for the


favourable weather conditi ons. Owner Allseas is now making


Swiss-based company Allseas. The vessel is also by far the world’s largest ever constructed with a topsides lift ing capacity of 48,000 tonnes. Final assembly of Pioneering Spirit will take place in the Alexiahaven. The inner lake of Maasvlakte 2 enables work to conti nue even under less-


opti mum use of Rott erdam’s off - the-scale off shore opportuniti es to fi nalise the vessel, which is 382-metres long and 124-metres wide. The ship was originally named Pieter Schelte, aft er marine engineer Pieter Schelte Hereema, father of Allseas’ owner Edward Heerema. In February, Allseas announced


that the name would be changed to Pioneering Spirit. According to Allseas, the name of the vessel refl ects what she stands for: a new technological step


in platf orm installati on and decommissioning. Allseas has already committ ed to building an even larger single-lift vessel of similar design but with a topsides lift ing capacity of 72,000 tonnes, and which will be put into operati on in 2020. The world’s largest container


vessel is the 400m-long and 57m-wide Globe, owned by China Shipping Container Lines, with a gross tonnage of 186,000 tonnes and capacity to accommodate more than 19,000 containers. • Text and images courtesy of SCA Logisti cs


March/April 2015


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