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BULK MATERIALS HANDLING


Downwell Demolition invests in Sandvik magic to work their spell at Harry Potter film studios


A step change in forklift design


Demolition and dismantling specialist, Downwell Demolition Ltd, has recently commenced work on a prestigious six month contract at the Warner Brothers Leavesden Studios in Hertfordshire. The project will see the contractor strip out and dismantle the world-famous studio buildings where the entire series of Harry Potter, and the James Bond film Goldeneye, were both filmed. In order to cast their spell over the demolition works Downwell have invested in the “magical” QJ340 tracked jaw crusher from Sandvik Mining and Construction.


Surrey based Downwell Demolition Ltd is a leading demolition contractor and general building dismantlers company, who have rapidly expanded in recent years. This has been achieved by drawing on a wealth of experience in the demolition industry, but at the same time proudly minimising environmental impact. Directors and staff possess a vast working knowledge of the industry and it’s ever evolving nature, where a key feature of their business has been regular liaison with the relevant authorities enabling them to keep abreast of changes to working practices, and to aid in the implementation on site. Furthermore they appreciated from an early stage the need for continual staff development, not only from a safety perspective, but also to enhance their growing reputation for contracting excellence. Deploying a team of specialist


CPCS-qualified staff, including a full time client liaison manger, Downwell will use a combination of scissor access platforms and specialist demolition excavators to undertake the delicate task of removing scaffolding, ceiling ducts, roof panels and skylights from the structures, as well as demolishing several ancillary buildings adjacent to the main studios. The strip-out and deconstruction will take place with some stage sets and archive libraries still present within the structures. A total of seven stage set buildings will be stripped of their ceilings, roofs and existing sound-proofing to allow the creation of new structures that can be used to produce forthcoming blockbuster movies. A full recycling programme will be implemented for all materials removed from the site to ensure the minimum environmental impact. The end result will leave the seven cavernous studios stripped bare, with the adjacent area clear of unwanted buildings and lean-tos, in readiness


32 Bulk Solids Today


for the new phase in the history of Leavesden studios.


A key tool in the re-use of the materials emanating from the demolition project will be a new QJ340 tracked jaw crusher from Sandvik Mining and Construction. The QJ340 tracked jaw crusher utilizes Sandvik’s unrivalled design and manufacturing expertise to build upon the success of the world’s best- selling track-mounted mobile jaw crusher, the QJ340’s predecessor, the C-12+. The QJ340 has proved its worth for Downwell Demolition as their mobile crushing solution dealing with diverse materials such as bricks, concrete blocks, rebar concrete and asphalt. On the job versatility is assured by a comprehensive range of optional extras that allow the QJ340 to be modified to match precisely the demands of any specific application.


The minimization of environmental damage is paramount to Downwell Demolition’s operation, but at the same time so is the ability to produce quality recycled aggregates from materials emanating from the project. This has meant not only throughput of material through the QJ340, but also maximising machine up-time. Trouble free and safe operation of the Sandvik machine is ensured due to an inherent low maintenance requirement and ease of fault location. The efficiency of the unit is further enhanced due to Sandvik’s simplified and standardised wear parts being designed to provide the highest levels of performance, all backed by Sandvik’s world leading customer support operations. Additionally, the quick set up and close down with on and site to site transportability allows Downwell Demolition to transport the QJ340 within the site, and thus they are able to use the unit to its full potential wherever it is needed.


Downwell Demolition is a prime example of modern demolition contractors who strive for professionalism, and minimize any environmental damage. In winning the contract at the “Harry Potter” studio’s they certainly put their spell on Warner Brothers, but then again demolition by true professionals can appear spell binding, and with the QJ340 from Sandvik helping to turn materials that were once considered to be waste into re- usable materials there is something truly magical about the process. www.sandvik.com


Jungheinrich has announced what it believes to be one of the most significant developments in forklift truck technology for many years. Following successful trials Jungheinrich’s new lithium ion-powered pallet truck – the EJE 112i – is now in production and available to order.


Lithium-Ion technology offers a number of significant environmental and productivity benefits over traditional lead acid batteries. The battery unit itself, for example, is radically different from a lead acid battery. The battery used to power the EJE 112i weighs just 14kg. It looks very much like a brief case and can be handled easily without lifting gear. Charging is quick and simple – it takes just 30 minutes to deliver a 50 per cent charge and the battery is fully charged within 80 minutes. The short charging times enable more flexible truck utilisation and ‘opportunity charging’ – something that will be particularly welcome at sites running multiple shifts. A single charge is sufficient to power the truck through a typical eight hour shift and, importantly, when it comes to recharging, a dedicated charging bay is not required. The battery is simply removed by hand from the truck and placed within a recharging docking device that can be positioned near a power supply anywhere within the building. The simplicity of the recharging process reduces the need for dedicated battery charging room personnel.


The smaller and lighter battery means that Jungheinrich has been able to dramatically reduce the size of the truck’s battery compartment and, therefore, shrink the truck’s overall dimensions. The length of the EJE 112i is 425mm – which is over 70mm less than a comparable model with a similar capacity powered by traditional lead acid technology. The truck weighs notably less too. The combined weight of the EJE 112i and its lithium ion battery is just 289kg – some 30 per cent less than the weight of a lead acid powered model of the same load capacity. The lightness of the new model makes it particularly suitable for loading and unloading lorries with taillifts.


Jungheinrich has been at the forefront of developments in lithium-ion fuel cell technology for many years: a prototype of the new model EJE 112i was first shown over three years ago, but the company is the first forklift manufacturer to go in to production with a lithium-ion powered truck. www.jungheinrich.co.uk


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