Demolition magazine issue 12

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ISSUE 12

DEMOLITION The industry magazine like no other

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Dawning of a New Age You will forgive me if you sense an underlying excitement in the words that follow below. But this leader is being written just a day or two before Demolition magazine (together with DemolitionNews.com and DemolitionJobs.co.uk) embark on the latest phase of their development. Starting 4 January 2015, all those titles (plus a handful of other, non-industry publications) will be pulled together under the banner of a single company called Chambers Media at a new, dedicated office in Worthing. There are a number of reasons that this is exciting for us but there is only one reason why this should be exciting for you. And that reason is more. More news, more features, more articles, more photos and more videos. Until now, all of the demolition-related titles mentioned above have been generated by one person – me – in a desolate corner of my home which I laughingly refer to as Demolition News Towers. But thanks to our joint venture agreement with Chambers Media, that will no longer be the case. Starting in January, all of the advertising sales and

administration will move to the coast, leaving me (and my new team of support staff) to concentrate purely upon what we do best – Covering demolition in all its guises. As part of that concentration, 2016 will see the publication of SIX editions of Demolition magazine together with FIVE new supplements on key industry issues such as training, attachments, excavators and the like. Our video partnership with leading demolition drone company DemoVision will ensure that DemolitionNews.com is continually populated by outstanding, cinema-quality film footage. The sales team at Chambers Media will ensure an even greater flow of jobs though DemolitionJobs.co.uk. And, as if that were not enough, we will shortly be launching Demolition Trader, a low-cost, dedicated online sales portal to allow you to buy and sell your used equipment. In the Chinese calendar, 2016 is the Year of the Monkey. In the Demolition magazine calendar, 2016 is the year of MORE! Mark Anthony

Editorial Mark Anthony - Mark Anthony Publicity markanthony@markanthonypublicity.co.uk 07973 456 166

Circulation Mark Anthony - Mark Anthony Publicity markanthony@markanthonypublicity.co.uk 07973 456 166

Advertising Sales Executive Business Development Ben Chambers ben@chambers.media 01903 538432

Production, design & reproduction Barry Morgan - Down to a Fine Art barrymorgan2@hotmail.com 07539 259 737

General Enquiries 07973 456 166 Management Publisher Mark Anthony

Published by Demolition Publications 9 William Evans Road Manor Park, Epsom KT19 7DF markanthony@markanthonypublicity.co.uk 07973 456 166

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Demoliton is published 6 times a year by Demolition Publications. The subscription rate is £60 per year. Subscription records are maintained at Demolition Publications 9 William Evans Road, Manor Park, Epsom KT19 7DF Articles and information contained in this publication are the copyright of Demolition Publications and may not be reproduced in any form without the written permission of the publishers. The publishers cannot accept responsibility for loss of, or damage to, uncommissioned photographs or manuscripts.

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regional review 5

Regional review

The High Life Farming and demolition might seem unlikely bedfellows. But Richard McCulloch of Scottish Demolition Contractor DemMaster not only has a foot in both camps but manages to combine the two profitably. Mark Anthony reports.

My visit to the Dem-Master site at Tarfside Oval took place just a few days before the company joined forces with fellow Scottish contractor Safedem to fell three of the four blocks via a controlled explosion. Even though the exclusion zone had been checked and double-checked and extensive protective measures had been set in place, DemMaster’s Richard McCulloch was still organising innovative solutions to further isolate neighbouring houses from potential damage from falling debris. One of these solutions came in the shape of a ‘blast protection wall’ of large bales of hay summoned from the family’s farm. But don’t be fooled into thinking that DemMaster is a farmer taking a stab at demolition.

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Regional review

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The company is firmly established as one of Scotland’s “Big Four”, has an enviable demolition pedigree, and has a 72-metre tall ace up its sleeve too.

with no qualifications and had no business acumen but I have never been afraid of hard work. The greatest piece of advice my father-inlaw gave me was ‘never let your ego get bigger than your pocket’. It is a rule I have lived by ever since.”

Entrepreneurial Style Richard McCulloch’s first encounter with the demolition sector came in 1986. Keen to break from the farm background, McCulloch always had a desire to branch out on his own, he worked in specialist diamond drilling and sawing with Holemasters, initially in the south of England and then across his native Scotland after seizing the opportunity to purchase the whole operation of Holemasters Scotland Ltd.

In typically entrepreneurial style, McCulloch came to demolition by seizing an opportunity. “We were doing a lot of robotic demolition using Brokks and working as a sub-contractor to some of the biggest demolition companies and main contractors in the Scotland at the time,” he recalls. “By 1993, demolition made up more than 50 percent of our annual turnover and contractors were trusting us with larger and more complex demolition works. So I decided to form Dem-Master Demolition Ltd, a stand-alone demolition contracting company of my own.”

He says that his father-in-law, who runs a very successful UK wide business, passed on a lot of useful knowledge in the early years. “I wasn’t an achiever at school,” he says. “I left school

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Regional review At this point in the business, most demolition men would claim that it has been onward and upward ever since. But McCulloch readily admits that the company did encounter a major obstacle on the one occasion when he went against his father-in-law’s advice and placed ego above pocket. “We won a façade retention contract Edinburgh in 2001. At the time, it was the largest scheme of its kind in the UK and looked really good on the company portfolio. But it had huge design and technical challenges” he recalls. “The independent engineer underestimated the criteria across the board so we had to redesign the contract while the works are in progress . To make matters worse, the scheme called for two tower cranes and on the day the second crane was due to be installed, the crane hire company went out of business. We had road closures in place but we couldn’t work. In the end, we lost about 16 weeks on that job. “When we started, we had over a million pounds in the bank,” McCulloch recalls. “By the time we finished, we were half a million in the red.”

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Regional review But there is no doubt that this experience has left McCulloch more cautious. “Sometimes we have to walk away from business. We have been offered work in London and the South East with existing clients. We keep on top of our jobs and by watching other companies we know it is difficult to sustain the requisite level of control on a contract when working away from base.” Given that hard-earned caution, the company’s decision to invest the best part of £2 million on the country’s largest high reach excavator might have been greeted with a degree of surprise and scepticism. “We had just secured a place on a four-year Glasgow Housing Association framework for the demolition of a number of tower blocks across Scotland. Safedem was consolidating the use of explosives so I knew we

needed an ultra-high reach that would set us apart and allow us to tackle some of these bigger blocks,” he explains. “By the time we placed the official order with Liebherr and Kocurek, we had orders for over £2 million pounds of demolition ahead of us waiting for the machine’s arrival.” As it transpired, that delivery date was delayed by almost six weeks, leaving three tower blocks at Iona Court in Govan standing and leaving the Company with some pretty serious scheduling issues. “There were a few heated words at the time but, in fairness, both Liebherr and Kocurek have been extremely supportive ever since.” The machine – based on a Liebherr 984C and capable of reaching up to 72 metres – weighs in at some 230 tonnes making it far and away the

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Regional review largest high reach in the UK. It has recently completed the demolition of the fourth tower block at Tarfside Oval (which could not be imploded due to the proximity of neighbouring homes) and has a strong forward order book that stretches well into next year, reaffirming McCulloch’s initial confidence.

months. If they do two hours of night-time emergency work, we pay them for the whole night as they have been good enough to get out of bed,” he asserts. “Workloads are on the rise in Scotland and there are a number of opportunities for good operators on road and motorway work. We try to maintain our team by treating them well.”

Engendering loyalty Not that he is resting on his laurels. The company has invested heavily in a recycling operation at Bathgate which helps the DemMaster maintain a 97 percent recycling rate. The company also invests in its staff, and McCulloch clearly believes that “We know that our staff are our biggest asset and we work hard to keep them with us”. “We have awarded the team with two pay rises in the past seven

It is a philosophy that has clearly worked. There are 15 of the Dem-Master team are aged over 60, a sure sign of loyalty in action. “Over 70 percent of our work today is negotiated and we have a list of clients that we work for repeatedly,” Richard McCulloch concludes. “If our clients demonstrate their loyalty to us as a company, then we must pass that on to our employees.”

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Regional review

Preaching to the Converted Reigart Contracts is a singlegeneration demolition company that has achieved the enviable feat of becoming successful and widely respected whilst largely flying under the radar. Mark Anthony paid the company a visit. Standing in the corner of Reigart Contracts’ training room is what can only be described as a pulpit. The company is firmly established as one of Scottish demolition’s Big Four but it is clearly not without its quirks. How many demolition contractors can claim to have funded and hosted a school poetry and literary competition, for example? Listening back to the recording of my interview with the company’s Pat and Peter Reilly, most of my time with them was spent laughing.

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Double Act Brothers Pat and Peter Reilly work a lot like a double-act; one feeding the other with lines that are either well-rehearsed or the product of something akin to comedy genius. But when conversation turns to demolition, things get very serious very quickly. The pair take issue with a tender process that favours low price over quality or ability; the unbreakable bad habits of some demolition workers; and a generation of CDM co-ordinators with formal qualifications to spare but who are sadly lacking in demolition experience. They also have plenty to say about a bitterness that pervades the demolition industry, particularly at a time when competition is fierce.

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Regional review

Weighting Bias

“If a painter and decorator tenders for a job and misses out, he will move onto the next job,” Pat Reilly says. “When that happens in demolition, the losing contractor spends ages complaining about the company that won the job and questioning their ability to do the work.” Comparisons to builders and decorators is a recurring theme. The brothers use the same analogy to question how some demolition companies win work by satisfying the client’s requirement at tender stage only to change the methodology to suit their own skill sets (or lack thereof) once work commences.

The company’s primary gripe, however, is with a tender process that remains skewed in favour of low price over quality. “We invest heavily in training and the latest equipment. We work hard to ensure that our systems and procedures are compliant. But all of that counts for nothing when the weighting of a tender is skewed 70 percent in favour of price,” Peter Reilly continues. “That weighting is biased towards cowboy contractors that are willing to cut costs and cut corners. There are some parts of Scotland where we can find ourselves competing with a local farmer who is planning to use tractors running on heavy diesel to carry out the site clearance works.”

“If you employ a decorator at your home, you choose them because they have demonstrated their ability to carry out the work to your satisfaction,” Peter Reilly says. “If they turned up on day one with a different wallpaper than the one you had agreed, you’d be pretty upset.”

Thankfully, Reigart reports that most of its work these days is negotiated and repeat business, a fact that has allowed the company to carve itself

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a lucrative niche and to concentrate on some other, somewhat unlikely outside interests. “In many ways, we work below the parapet. We are not constantly seeking publicity but we do what we do without fanfare,� Pat Reilly explains. For the past ten years we have worked in collaboration with North Lanarkshire Council and the Youth Arts and Literacy Guild in sponsoring a poetry competition to promote creative writing and poetry throughout North Lanarkshire. Also as a company they were the main sponsor of the Family Zone at the annual Dumfries and Galloway country fair. We recently hired the high reach simulator from the NDTG to encourage children to consider a

career in the demolition sector proved to be a resounding success.

Success but No Succession It is the dream for most family businesses to set in place a succession plan that will see the legacy passed from generation to generation. Reigart is not most family businesses. Reigart seems destined to be a single generation company, with little sign of succession by the offspring of the current directors. But this does not appear to be a cause for concern for Peter and Pat Reilly. Although they clearly retain a passion for the business, both give a sense of a desire for a wider industry change.

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Regional review “On a scale of one to 10, there are some demolition workers that will never be more than a six. Regardless of training and experience, they will never be able to write a method statement or a risk assessment. But all too often we see those guys that are a six working as an eight,” Pat Reilly concludes. “There are just some elements of the industry that will never change. We can give them the best equipment and the best training but they will still take short cuts. They seem to believe that just because they have done things a certain way for 15 years with another company that this will be acceptable here. It isn’t. We operate a two strikes and you’re out’ policy because, ultimately, our reputation and the safety of our team depends on it.”

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Regional review

Little Italy The use of the Italian-developed Top Down Way system to demolish two Scottish tower blocks is not just a step forward for the demolition industry but a cultural leap too, as Mark Anthony reports. The sun is shining, the sky overhead is azure blue and I have just been handed an invigorating yet tiny cup of genuine Italian espresso by a man straight out of central casting for La Dolce Vita. But I am not in Milan, Sienna or Rome. I am in Glasgow. And, furthermore, I am several hundred feet above the ground atop a tower block that is being systematically demolished floor-by-floor directly beneath my feet. Welcome to Top Down Way, a demolition system devised by world-leading demolition contractor Despe and used for the first time in the UK by Dundee-based Safedem.

Seeing is believing I have written about Top Down Way a number of times since its official worldwide launch in 2012, but this was the first time I had seen the system “in the flesh�. From the foot of the Whitevale tower (the system had already reduced the neighbouring Bluevale tower to a

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six-storey nub) the system looks exactly as it had been described. The top of the block had been encapsulated on all four sides by a modular steel “cap” which was clearly doing a good job of preventing ground level noise issues. But having ridden the mast climber to the floor below the Top Down Way, my traditional “don’t believe the hype” cynicism dissipated and was quickly replaced by a “they have literally thought of everything” sense of admiration. Entrance to the working part of the Top Down Way is via a steel trap door hatch and ladder, both of which have been built to order and that provide a physical link from Scotland below to Italy above.

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The cultural divide does not end there. The team of Italian workers that spend their working week in the home of haggis and the deep-fried Mars bar spend virtually every lunchtime at the nearby Coia’s Italian restaurant, an arrangement set in place by Safedem managing director William Sinclair to ensure that his Italian crew feels at home for the duration of the works.

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Floor by Floor The system itself is mounted on 12 hydraulically-actuated support legs which sit on top of the building. At the same time, the Top Down Way is “clamped” to the four sides of the

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Regional review

building to provide a combination of edge protection and debris trap that keeps men, machines, dust and arisings firmly within the confines of the modular system. One of the most notable effects of the encapsulation system is the unspoken feeling of safety it engenders. Walking around the balconies that once circled the blocks, the dizzying feeling of creeping acrophobia are everpresent. And even with a waist high wall and guard rail, there is the feeling that the building would like nothing more than to force you off. Within the Top Down Way, all concept of height is eliminated.

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Even though the system extends beyond the outer edge of the structure, there is always a solid steel floor beneath your feet. In addition, the outer “walls” of the system extend more than a storey upwards. If you really wanted to fall out of the system, you’d need to bring your own ladder. TopDownWay it is an auto-descending system with a hydraulic drive system and is controlled by an automated system that handles its movements and security systems. It can be adapted to suit individual buildings, it is installed on top of the structure and

encapsulates the top three storeys, allowing the removal of the windows, the demolition of the floors and the containment of the debris. As the works proceed, the platform descends to the next level by means of controlled mode operations. The building is demolished storey by storey using a pair of low-headroom eight tonne excavators equipped – variously – with hydraulic hammers and concrete crushers. At Bluevale and Whitevale, that equipment and system combination whittled the towers at a rate of a floor or more per week.

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Regional review

Despite its modular construction, the Top Down Way system is not suitable for all building shapes and is not, by any means, the panacea of all top down demolitions. But it is an enviable engineering feat that marks a giant leap forward for safety, containment and efficiency. Don’t be surprised if the system makes another appearance on a tower block near you very soon. For an aerial view of the Top Down Way in action, please visit: http://tinyurl.com/pho8tqo. Alternatively, to see an exclusive video from within the encapsulation system, please visit: http://tinyurl.com/nsbcgzd.

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Back from the Brink Demolition visited Clarke Demolition Company and found managing director David Clarke in remarkably fine form considering the financial, physical and emotional wringer he has been through in the past few years. Mark Anthony reports. Although we have spoken on the phone and via email, it’s a few years since I last met David Clarke face-to-face. And, at first glance, very little seems to have changed. The distinctive white hair and beard combo that earned him the nickname “the silver fox” is still very much in evidence. The tanned features speak of a man with a continuing passion for sailing and golf. The acerbic and caustic manner that made him one of the NFDC’s toughest presidents is undiminished. And when he says that people have started to mistake him for new Labour leader Jeremy Corbyn, it is clear that the self-deprecating humour has not been dulled by the passage of time.

But David Clarke is a changed man. And he has every right to be. In 2008, following a disastrous and costly gasholder demolition contract, Clarke was forced to shut down the company his father had started. Bouncing back from that would have been hard enough. But, just over a year ago, Clarke was diagnosed with bowel cancer. While it was caught sufficiently early for an operation to provide an all-clear prognosis, it has clearly left Clarke relieved, chastened, reflective and – oddly - grateful.

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stuff Dented Pride Clarke’s multitude of trials and tribulations began with the winning of a contract to demolish a redundant gasholder in Southport, Merseyside. The company had devised a methodology to tackle the works but was told by the client that they were expected to use a huge crawler crane that had been hired for the duration of the contract. Unfortunately, high winds on the contract meant that the crane didn’t turn a wheel in five weeks whilst clocking up a hire rate of around £5,000 per day. “We were literally haemorrhaging money but we were tied in to a full-term hire from which we couldn’t escape,” Clarke recalls. “Ultimately, we convinced the client to allow us to tackle the job using the methods we had devised and we got the job done. The client was very understanding and it seemed likely that we would be able to negotiate two further gasholder contracts as a result of this first one. But I got a phone call to say that the other two had to go out to tender. I realised how exposed that left us and drove into Ipswich to find an insolvency practitioner that afternoon. To add a bit of belated salt to the wound, those two gasholders have since been demolished using the method we developed.” Clarke readily admits that effectively surrendering the business that his father had built and which he himself had grown was extremely tough. “I came very close to leaving the demolition business altogether,” he admits. “I felt an obligation to my old man and, of course, I had a team of people around me with whom I had worked for many years. I found it very difficult to admit that I had failed so I also had my own personal pride to deal with.”

That pride also coloured Clarke’s temporary withdrawal from the industry. “I was determined that we would not go for a ‘pre-packed’ CVA as that sends entirely out the wrong signals and I feel is immoral,” he recalls. “I have always tried to be honourable in business and to act with integrity. I think that stood us in good stead as even our creditors treated us with sympathy and empathy.”

Bouncing Back Chastened by the loss of his company and with his pride dented, Clarke effectively withdrew from the demolition world for the best part of six months. “There was a time when I genuinely didn’t know what I was going to do. I had offers of employment from a number of fellow demolition companies but, with the benefit of hindsight, I don’t think they would have wanted me as an employee and I don’t think I was really cut out to work for anyone else,” he says. “But I sat down with what remained of the CDC team and we agreed that we wanted to start again.

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stuff The team said ‘you and your father supported us, now it’s our turn to support you’. I could not have even considered coming back without that support.” Clients were equally willing to overlook a briefly troubled past. “The first job we won after our return was a roadside row of houses demolition contract for the Highways Agency. Quite rightly, they asked about our ability to complete the works. I told them that if we didn’t finish the job, they wouldn’t have to pay us,” Clarke says. “Thankfully, they were willing to work with us on that basis. But we delivered the job and we haven’t really looked back since.”

Demolition Diet That return to the demolition fray happened in 2009 and, despite a widespread recession, Clarke Demolition Company has grown gradually. But then, just as Clarke would have been forgiven for thinking the worst was over, the worst landed in his lap. In January this year, David Clarke was diagnosed with Stage 2 bowel cancer. “It was a bloody shock. Men are so stupid,” he asserts. “I saw the signs a good 12 weeks before I even mentioned it to my wife, Jill. It was another eight weeks before I actually went to see the doctor. I was initially given the all-clear by my GP but, a month later, I was still concerned and I sought a second opinion. A week later, I was on the operating table.”

Thankfully, surgeons caught the cancer in time and the prognosis was about as good as it could be. “According to my oncologist, there is every likelihood that I will die from cancer. But it won’t be this one.” Despite his stoicism, the operation and the subsequent recuperation process was to take a hefty toll on Clarke. His post-op scar burst open and his weight plummeted from 12 stone 10 to nine stone two pounds. “I looked like a skeleton,” he recalls. “I was stooped, slurring my speech. I was absolutely pathetic. But, thanks to the surgeon and the support of my family, I have slowly got back to something approaching a full recovery.” Having got so dangerously close to a pre-start meeting with his maker, you would expect Clarke to be a paragon of healthy eating and nutrition. But Clarke has never been one to swim with the tide. “Having lost so much weight, my doctor told me to avoid fruit, vegetables, pulses and fibre and to concentrate upon protein and stodge,” David Clarke concludes. “I owe a lot of my recovery to KFC burritos and fries.” This, surely, is the first time that the “demolition diet” has had genuine health benefits.

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on site

Innovate, Succeed, Repeat Micor Limited has been called upon to repeat its above and below-ground demolition success at a second London Underground station. And this time, the company was required to innovate on an almost daily basis. In 2013, Essex-based Micor Limited was engaged to carry out above and below ground demolition to facilitate the improvement and expansion of the world-famous Victoria Station in the heart of London. The company’s innovative, on-time and on-budget solution to that logistical challenge earned Micor plaudits from its client and other stakeholders.

So when client – joint venture company Taylor Woodrow/BAM Nuttall (TWBN) was awarded another, similar station improvement and expansion contract at the nearby Tottenham Court Road station, Micor was the obvious choice to spearhead the preparatory works.

Ambitious Project Tottenham Court Road on London Underground’s Northern Line is one of the busiest “tube” stations in the capital. Not only does it serve the various nearby theatres, restaurants and bars in Tottenham Court Road itself, it also leads onto Oxford Street the busiest retail street in Europe – that attracts half a million visitors each day.

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Tottenham Court Road is a key link within the Crossrail scheme – currently Europe’s largest civil engineering project - and with an estimated £1 billion contract value represents the biggest transport investment in London’s West End for decades. Built over 100 years ago as two separate tube stations, Tottenham Court Road was not designed to cope with the almost 150,000 passenger journeys that are now made through the station every day. With the expected rise in passenger numbers interchanging between London Underground services and Crossrail in 2018, the existing station is being upgraded to meet the expected rise in demand for this key central London station for years to come.

Alongside the upgrade of the existing tube station, Crossrail is building a new station the length of three football pitches four storeys underground. A new street level ticket hall will be constructed at Dean Street, with the station box continuing five levels below ground at a depth of around 25 metres, providing access to the new Crossrail platforms. To facilitate these extensive works, a variety of buildings in the area bounded by Dean Street, Diadem Court, Great Chapel Street and Oxford Street had to be demolished to make way for the modern looking ticket hall.

Hit the Ground Running The TWBN joint venture was named principal contractor in 2013 and, based upon its success at Victoria Station, Micor was awarded the demolition works package in September 2014.

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on site

“In simple terms, our job was to take the top off the station and creating a void to allow TWBN to carry out their expansion and improvement works.” That relatively simple challenge was made more difficult in several ways. For one thing, the rapid deployment meant that there was no time for the Micor team to carry out its own investigation works.

Within days, the team assembled to tackle the Victoria Station contract was reassembled at Tottenham Court Road. According to Corridan, a key element of the works was an expansion of the public spaces and a realignment of the escalators serving the station to accommodate the anticipated increase in traffic. “TWBN had already carried out some preliminary investigation works and installed some temporary works,” recalls Micor Limited principal Michael Corridan. “We were working to a strict 12-week programme so we had to hit the ground running.”

Furthermore, the station and the surrounding roads and thoroughfares were to remain open throughout the works with no disruption to rail and car traffic, pedestrians and local businesses. “Even though we had carried out a very similar contract at Victoria Station, every day at Tottenham Court Road was like a voyage of discovery,” Corridan explains. “Very early on, we discovered that the drawings we were working from were inaccurate. Some structures were missing, some were thicker and some were thinner than anticipated, and many joints were either in the wrong place or not there at all. Having discovered that inaccuracy, we took the decision to disregard the supplied information and work purely on what we could see for ourselves.”

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on site Going Freestyle Admirable and justified though that approach might have been, it placed greater demands upon the 12-strong site team who were required to “freestyle” their approach. “Each day started with an analysis of the works and, where required, additional and task-specific training was provided to ensure that we proceeded safely and efficiently while maintaining the tight completion schedule.” This system was backed by an “early warning” system in which all members of the Micor team were encouraged to report any and all specific challenges, pinch points and potential hazards. The company’s on-site team and head office management team could then adjust work plans and schedules and notify the client without incurring delays. Arisings from the works – approximately 1,200 tonnes of concrete and 150 tonnes of steel – was removed via a 160 tonne capacity crawler crane. The company recorded a 98 percent recycling rate to underscore the environmental credentials of the Crossrail project. Equipment and materials were delivered to the site and arisings removed using Micor’s in-house Fleet Operator Recognition Scheme (FORS) Gold accredited vehicles. These were managed through a systematic logistics strategy that ensured seamless and efficient access/egress to the site at all times. The company also deployed suitably qualified traffic marshals at the boundaries of the site.

At the height of the works, Micor Limited had 10 men on site including two “black hat” supervisors working side-by-side. In all, the company clocked up approximately 10,500 hours without a single Lost Time Injury (LTI) report.

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on site

J. Bryan (Victori Unleashes Fire On 31 July 2014, a fire broke out in the FGD4 absorption unit at the 2,000 MW Ferrybridge ‘C’ power station in West Yorkshire sending plumes of black smoke billowing into the sky. It took 75 firefighters to bring the fire under control. When the smoke subsided, it was clear that the damage to the 40 metre tall steel tower was catastrophic. Temperatures within the rubber-lined FGD4 vessel had approached the melting point of steel, causing the structure to buckle under its own weight and to subside non symmetrically overall through the tower by approximately six metres (15 percent). That partial collapse had twisted, bent and broken a number of the pipes, ducts and access walkways leading to the absorber. The fire had also dislodged much of the external cladding which was now being blown loose by the high winds experienced in this exposed location.

FGD4 was immediately shut down with emissions from the coal-burning process diverted to the FGD3 unit just a few metres away for scrubbing and desulphurisation before being dispersed harmlessly into the atmosphere.

Stamped on by God The scene that greeted J. Bryan (Victoria), the specialist demolition company appointed to deconstruct the fire-damaged structure, was one of devastation and uncertainty.

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“We knew that if we didn’t get it right, we could take one of the UK’s key sources of electrical energy off-grid,” Bryan says. “In addition, with investigations into the cause of the fire ongoing, we had to retain and protect the inside of the absorption unit for forensic testing.”

ia) Ltd. Power

The unique solution, devised in conjunction with our partners Mammoet and consulting engineers WYG, involved the erection of an external “exoskeleton” to support the 300 tonne FGD4 and to provide a safe working environment for the J. Bryan team as the structure was deconstructed. “We have carried out several similarly complex projects in the past and we knew that together with Mammoet, the world’s largest heavy lifting company, we could devise an engineered solution that would get the absorber down safely without impacting upon the operations of the power station.”

Engineered Solution Before that exoskeleton could be installed, however, J. Bryan had to carry out some extensive site investigation, civil engineering and enabling works. “The absorber looked like a giant Coca Cola can that God had stamped on,” recalls managing director Mark Bryan. “It was clear that FGD4 had partially collapsed but it was impossible to tell what was holding it up or in which direction the structure was collapsing.”

“Our investigations revealed that some sections of the ground would be unsuitable to support the 500 tonne crane needed to assemble the exoskeleton,” Bryan says. “We built a crane foundation and crane pad to provide a stable base from which all the necessary lifting operations would be conducted.”

With live power station infrastructure active beside and below and with 30,000 kVA overhead pylons just metres away, the first job facing the J. Bryan team was to understand the collapse, to make the structure safe and to engineer a dismantling sequence that would not impact upon the operational power station.

Over a period of three weeks, the crane was used to assemble the exoskeleton; four 46-metre high legs anchored by a strand jack tensioning system linked to hundreds of tonnes of steel ballast.

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on site

This structure, which was designed off-site, was built to incredibly tight tolerances with just millimetres to spare in some areas. Mounted on top of this unique structure was a travelling overhead crane that would be used to support and lift heavy steel sections as they were cut from the absorber. “The steel of the FGD4 structure was all heavy steel and ranged in gauge from 15 to 25 mm so we needed a safe and flexible way to support the individual sections as our team cut them away using hotworks techniques,” Bryan asserts. “To the best of our knowledge, this type of temporary overhead crane has never been used this way before but it worked perfectly. With the gantry crane in place, the absorption tower just began to shrink before our eyes.” Once the inside of the vessel was exposed, a specialist team from Scottish and Southern Energy covered the base of the FGD4 with a 150 mm layer of glass filings to protect the forensic evidence contained within.

Trained to Succeed At the height of activities on site, J. Bryan (Victoria) Ltd. had 18 demolition workers on site, excluding the crane and heavy lift crews. Each working day began with a toolbox talk and daily briefing. Those briefings were supplemented by additional training that included hotworks, confined space and working at height together with task-specific briefings prior to particularly challenging aspects of the works.

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on site All told, the J. Bryan team clocked up more than 70,000 man hours without a single Lost Time Incident (LTI). Despite some delays experienced when wind speeds exceeded the seven metres/second limit for conventional crane lifts, J. Bryan (Victoria) Ltd. kept the complex and challenging project on schedule as the travelling overhead crane utilised for the dismantling could work in gale force winds. All metals recovered during the dismantling activities were removed from site for recycling and reuse, allowing J. Bryan (Victoria) Ltd. to record a recycling rate of 99 percent, much to the satisfaction of the company’s environmentally-focused client. The success of this challenging project is clearly a source of considerable personal pride for Mark Bryan. “The contract was about as challenging as you can get. We were faced with a structure, the stability and integrity of which we were unable to verify. The works were taking place within a live power station. We had devised a never-used-before solution to deliver a successful outcome for our client. And we even managed to accommodate a pair of kestrels and their young that had nested in the absorber tower,” he concludes. “And, in the end, we made that complex contract look easy.”

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on site

Shopping for S Oxford Street in the heart of London’s West End is widely regarded as Europe’s busiest shopping street, attracting in the region of half a million visitors each day. Despite stiff competition from the likes of the Westfield shopping centres in Hammersmith and Stratford, Oxford Street remains the spiritual home of shopping in the UK with many major retailers – including Selfridges, John Lewis, Topshop and Primark – hosting their flagship stores along its 1.9 kilometre length. As the capital’s retail hub, the street is served by a multitude of underground train services, bus routes and London taxi services, and is criss-crossed by power and utility services. Furthermore, the architecture of the street is strictly safeguarded, and even structures that are not formally listed are fiercely protected by residents, developers and conservationists alike.

Proven Track Record Against this backdrop, the task facing Erith Group during the demolition and façade retention of the former Oriana building was both challenging and complex, even though the company had carried out several other successful and award-winning

projects nearby in the past few years. Working for client Oriana GP Ltd, the joint venture between Land Securities and Frogmore, the redevelopment project was situated to the east end of Oxford Street, adjacent to Tottenham Court Road Station, and was an extension of the original Oriana which previously formed Primark’s flagship store.

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This second phase follows the success of the initial phase which delivered 13,800 m2 of retail space, let to Primark for their flagship store.

uccess

The buildings comprised a mixture of architectural styles, varying from a 19th century bay window four storey building, to a 1960s structure. One of the structures was previously the famous Frascati restaurant, a popular haunt for Victorian London’s aristocracy and elite. station.”

Scope of Works As a result of such varying construction types many originating in the 1920s - Erith’s scope of works included the design and installation of extensive facade retention schemes. The design of those temporary works was carried out by Erith Group subsidiary, Swanton Consulting Ltd. These were based upon extensive investigation works prior to the commencement of the project. Those investigations informed a detailed temporary works scheme - in collaboration with the client team – designed to ensure the stability of the structure, help reduce the project duration, and ultimately to deliver optimum value to the client. Other key challenges facing the Erith team was the diversion of electrical power utilities beneath the building’s basement; temporary weatherproofing of exposed party walls and floor slab over part of the Primark store; extensive asbestos removal; and comprehensive scaffold and site hoarding erection.

The prestigious scheme will create a mixed-use, retail led development providing high quality, retail accommodation, maximising the Oxford Street frontage, which will extend to 7,100 m2 over the basement, ground and first floors.

Back-propping to the floors was placed throughout the buildings prior to the demolition. This was carried out with a combination of three tonne mini excavators and hand tools for the upper levels, and a 13 tonne excavator at the lower levels.

There will be 18 high quality private apartments ranging from one to three bed units.

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on site All materials arising from the works were recycled except for asbestos, which was safely removed from site prior to the commencement of the main demolition works. By the completion of the main demolition works, some 000 tonnes of material had been removed from the site with an impressive 00 percent of all arising being recycled.

Zero Incidents, Zero Complaints In keeping with all Erith Group contracts, the health and safety of workers, pedestrians and residents was paramount.

A 180 tonne tower crane with a 40 metre jib was erected in the centre of the site within a ‘well hole’ formed by localised demolition within an existing light well. Two buildings (44 and 46 Oxford Street) had to be demolished early on in the contract and a road crossing constructed from Oxford Street so that a 160 tonne mobile crane could be set up in the footprint of the two demolished buildings. All exposed faces of the demolition were weather protected with felt battens as the demolition progressed.

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on site At the height of the works, there were as many as 00 Erith Group workers and sub-contractors working on the Oriana site. All told, the 00-week project amassed 00000 man hours without a single reportable health and safety incident. Although the process of safely demolishing a building in the heart of London’s West End shopping district was complex, perhaps the most challenging element of the project was ensuring that neighbouring residents and businesses were kept informed and suffered minimal disturbance throughout contract period. To this end, Erith nominated a neighbourhood liaison officer to host meetings with local residents, business owners and stakeholders and to act as the intermediary between local people and the main contractor while demolition was in progress. It was a system that paid dividends. While the work was still ongoing, Erith Group received an unsolicited message from Primark’s Paul Richards: “Just a courtesy email to say a big thank you for your professionalism during the demolition works on Oxford Street and the help that you have provided to myself and the store management team over the past 13 months. It is refreshing to see contractors work in this manner and is credit to the way you and your team have conducted themselves over the past months. Good luck on you future projects.”

The company implemented a number health and safety measures and gathered together an impressive team of qualified advisors to underpin the Safety 24:7 company philosophy. In addition, Erith assigned a number of dedicated health and safety dedicated personnel on a full time basis. These included a full-time health and safety manager, a visiting health and safety auditor, and an external specialist auditor to ensure compliance was of the highest possible standards. All staff on site were required to undertake Erith’s Seven Steps to Safety training which focuses on seven fundamental steps to creating a safer working environment whilst simultaneously challenging practice and rewarding health and safety innovation.

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on site

True Grit The six week project to demolish the sand and gravel processing plant is being undertaken by a small but very efficient team headed up by site manager Charlie Mcarthur.

Quarries and mining aren’t usually locations to find a demolition company, however Rotherham based Demex seems to have an affinity for such sites, and their endevours at Tarmac’s Croxton Quarry near Stoke demonstrate their prowess working in such specialised locations.

He explained that the project would be undertaken in several distinct stages. The Hitachi 470 excavator armed with a Kinshoffer shear would demolish the extensive conveyor system (in excess on 500m) first removing the rubber belting, then cutting each of the overhead conveyor sections so they could be lowered to ground level for dismantling. then the conveyor support legs would then be removed at the base.

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on site Mechanical ballet To say dismantling almost does a dis-service to Steve Bray, the operator who delicately removed every element of the conveyor in something akin to a mechanical ballet rather than demolition. Charlie thought this was amusing when the precise nature of the cutting was mentioned. ‘It’s just easier to sort and transport, that’s why it is done so methodically. Once the conveyors are dismantled, the sections are cut down to 5’x2’ sections, which are loved by the scrap industry as it’s perfect for recycling.’

^ĂĨĞƌ ĞŵŽůŝƟŽŶ WƌŽǀŝĚŝŶŐ ĞdžƉĞƌƚ ŐƵŝĚĂŶĐĞ ĨŽƌ ƚŚĞ ĚĞŵŽůŝƟŽŶ industry, including: Health and Safety Policies and Procedures

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He continued, ‘Once the conveyers are down, we will bring in a Komatsu 450 equipped with 26m boom and a couple of specialist team members for the hotwork. Then some really interesting demolition will take place.’

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on site

He continued, ‘The building we are standing in front of is the Final Screen House, the highest of the two structures we will demolish. The top two thirds of the building frame will be cut through and then removed by high reach excavator. To remove the screen, the Demex crew will work from a MWEP connect the lifting chains to the lifting eyes. When this is completed the internal high level screen will be removed by crane and placed to ground level for eventual salvage by Tarmac. The remainder of the building including the internal plant and circular tanks will then be demolished by the smaller excavator.’

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on site The high reach excavator will first remove sections of the external tin cladding to expose the upper steel frame columns down one elevation. The excavator will cut through each leg to allow the draw down of the building section by section, including each section of the roof up to the apex, working top down. Once the upper section building external frame has been removed, the high reach excavator will level the area before going to work on the Selector House. Charlie concluded, ‘All the belting will be resold, the steel will be sorted and sold for scrap and recycled locally. The screens will be reused in a new building and absolutely nothing will go to landfill.’

WANTED

This particular project was one of several high profile demolition contracts including demolition of the crushing, screening and bitumen plants at Dalton Quarry, Stoney Middleton, Dene Quarry, Matlock, Wreden Quarry, Ashbourne and Stainton Quarry, Maltby, the later including shaft filling with 80,000 tonnes of inert material and 15,000 tonnes of scrap metal.

General Demolition Limited, one of London & South East’s leading demolition contractors, is recruiting for suitable candidates to fulfil the following roles: Operations Manager Project Managers CCDO Demolition Supervisor

All candidates should be fully trained and experienced within the demolition industry and have a proactive approach towards Safety, Health, Environment and Quality. Candidates must be experienced within their role and have excellent communication skills. Candidates will need to be presentable to project the company’s corporate image and continuing drive towards client satisfaction. Please send C.V. and covering letter in the first instance to: recruitment@general-demolition.co.uk

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sultation. Contact Conta act us for a free consultation.

+44 (0) ( 151 424 4 3944 ww www.sevansdemolition.co.uk ww.sevansdemolitio on.co.uk enquiries@sevans.co.uk enquiries@sevans.c co.uk

sPECIA sPECIALIST ALIST DEM DEMOLITION MOLITIONN & ASBE ASBESTOS ESTOS REMOV VAL (uk & europe) europee) REMOVAL Consulting Consultiing & Assessm Assessment ment Asset Re ecovery & Rec cycling Asset Recovery Recycling Demolittion and Reme ediation Demolition Remediation

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Discover Discove er our ur r indus industry i sttry leading accreditatio accreditations ons at: sevansdemolition.co.uk/accreditations s sevansdemoli ittion.co.uk/ac ccreditations S Evans & S Sons (UK & Europe), Europ pe)), Ditton Road, W Widnes, Cheshire, Cheshire e, WA8 0PJ

on site Demex are famous ifor actually paying Sheffield Council for the privilege of demolishing the Don Valley Stadium. However, they did come out on the profit side of the deal though, after they removed 3,500 tonnes of scrap and 50,000 tonnes of material in site remediation works The company offers a myriad of services and has its own landfill site, not that much is wasted there! Founded in 1976, and apart from the usual internal strip-out, demolition and dismantling, site clearance, bulk excavations, waste disposal, transport and material salvage, they also have their own licensed asbestos landfill site. They are a subsidiary of the CF Booth Group - one of the largest privately owned metal recycling companies in the UK.

THE

BEST FOR... Metal Recycling Investment in the very latest processing capabilities has seen Wokingham Metal Recycling acquire two SEDA Fixed Station De-pollution rigs. Top prices paid for your scrap metal, scrap cars and MoT failures. We also supply Scrap Metal Skips of all sizes free within a 40 mile radius.

Wet Waste Wokingham Wet Waste is one of the countries leading Waste Management companies in the UK, embracing new technology and the very latest equipment available in order to deliver real added value to our clients. Interceptor emptying and cleaning are one of our specialities.

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Loo Hire We not only provide facility hire but offer an unrivalled waste disposal service which has catered for many of the UK’s major outdoor events. The A1 group has delivered total waste management solutions for over 15 years and has developed A1 Loo Hire to meet significant growth in line with increasing client requirements.

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Car Spares 1000s of parts for new plate/late model vehicles. We have invested in the very latest second hand car processing capabilities. Not only do we de-pollute end-of-life-vehicles (ELVs), but we also offer you second hand car spares at amazing prices.

Contact us for more information or visit Highland Avenue, Wokingham

Tel: 0118 978 5143 www.a1groupuk.com

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‹ˆĎ?‹…—Ž– ’”‘Ď?‹Ž‹Â?‰ …‘Â?†‹–‹‘Â?• •Ž‘™• ’”‘‰”‡•• ‹Â? ‡™ ‘”Â?Ǩ The construcĆ&#x;on of a new 30 story hotel at the juncĆ&#x;on of 34th Street and 9th Ave in ManhaĆŠan required the excavaĆ&#x;on of deep foundaĆ&#x;ons in very diĸcult rock condiĆ&#x;ons. For obvious reasons, drill and blast is not an opĆ&#x;on when excavaĆ&#x;ng in ManhaĆŠan. As a result, contractors are forced to look at alternaĆ&#x;ve methods to break rock. With several years experience excavaĆ&#x;ng in New York, there are few excavaĆ&#x;on contractors with more experience in the area than the Red Hook ConstrucĆ&#x;on Group. Using a mixture of drilling with chemical and mechanical rock spliĆŤng techniques combined with hydraulic breakers, Red Hook excavated down to the required level. Profiling the walls back to the site boundaries proved to be extremely diĸcult due the very hard nature of the rock. Regardless of the size of breaker employed, progress with profiling went at a very slow pace. The breaker was unable to break material oÄŤ the wall surface because the chisel kept bouncing oÄŤ the wall surface. In addiĆ&#x;on to slow progress, important components in the breakers were rapidly wearing out resulĆ&#x;ng in expensive maintenance costs. Site CondiĆ&#x;ons The boundary between two diÄŤerent rock types passed diagonally across the job site. On one side, the rock was a dark grey schist; hard but relaĆ&#x;vely easy to break and excavate. On the other side was a light and dark, banded gneiss; ex-

Production Results The drum cutter was brought on site to see if it would accelerate progress in profiling the walls that had proved to be so difficult using breakers. When this report was written, the ER 2000 drum cutter, installed on a Kobelco SK500 supplied by Company Wrench, had spent 4 x 12 hour days working on these walls, In this time, it came close to completing the profiling work on the two walls, a task that the contractor had spent over 4 weeks trying to achieve. In addition to profiling, the contractor carried out some tests using the ER 2000 drum cutter to do some floor excavation. Progress proved to be very slow in the hardest areas and it was decided to go back to using the drill and burst techniques.

Rock below green lines requiring profiling back to grade.

Pick Consumption Before starting with the drum cutter, the contractor knew that pick consumption would be high. When using the drum cutter intensively, between 25 to 50 picks per being changed per day. To reduce pick consumption, maximum oil flow was reduced to reduce rotation speed in free air. By reducing the speed when the drum cutter makes contact with the rock, we reduce the opportunity for the rock to wear the surface of the pick and extend pick life. When evaluating the costs of replacing picks, this must be compared with the costs and results of alternative methods.

Adding value to

Crowded condiĆ&#x;ons on the job site

Site Report Ǧ ER 2000Ǧ3 Manhattan,

Mr. Norman Haltof DrumcuƩers Intl Inc Drumcutters Intl Inc 565 E 34th Ave, Suite 3 565 E. 34th Avenue Suite 3 480- 983-2235 Phone: Apache Junction, Fax: 480-671-1085 AZ 85119 Office: 480-983-2235 Fax: 480-671-1085

Conclusions In such hard operaƟng condiƟons, no one expects miraculous producƟon rates. However everything is relaƟve and compared to the costs and progress achieved with alternaƟve profiling methods, the drum cuƩer provides an eīecƟve profiling soluƟon. The high pick consumpƟon is not due to any poor design in the drum cuƩer but due to the very hard and abrasive rock characterisƟcs. These condiƟons are responsible for the lack of progress and higher than average costs using more tradiƟonal excavaƟng methods.

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The Shape of Crushers to Come The designers at Terex Finlay have been busy. Really busy. As a result, the company’s product range is bursting with new products and will be boosted still further by several new innovations waiting in the wings. Demolition magazine reports.

If someone had thrown a net over the Catplant Quarry at the end of September, they would probably have captured representatives of just about every worthwhile aggregates, waste management, construction and demolition waste recycling company in the UK. The great and the good of these disparate industries descended upon the Doncaster quarry to check out the latest products from crushing and screening equipment giant Terex Finlay. And they would not have left disappointed. The company had put on an avowedly non-superstitious display of 13 machines, several of which could be described as new, and at least two that appeared under the “coming soon” banner.

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Into the Jaws The new Terex Finlay J-1170AS is a high performance primary mobile jaw crusher built around an aggressive Terex 1,100 x 700 mm jaw crusher with a proven track record in recycling, aggregate production and mining applications. A key new feature of this model is the on-board detachable sizing screen The jaw chamber provides excellent material reduction and product sizing in the processing of blasted quarry rock and ore material. The jaw chamber is also available with optional hydraulic release, a useful feature when crushing construction and demolition debris. The hydraulic release option has an automatic overload protection system to prevent damage by uncrushable items in the feed material.

Hydrostatic transmission of the jaw chamber offers operators reversible operation in the event of a blockage. The hydrostatic system also provides variable chamber speed to suit given applications. The crusher features hydraulic assist Chamber CSS (Closed Side Setting) adjustment, and can be changed in a matter of minutes. The large 9.6m³ hopper has hydraulically folding sides and an innovative hydraulic self-locking mechanism to provide efficient and faster machine set up and tear down times. “The J-1170AS with its onboard sizing screen will enable operators to produce a spec’d product without the need for a secondary screen.

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The sizing screen can also be detached without the need for additional lifting gear means that the machine can be used as ‘straight’ J-1170 jaw crusher, giving the operator versatility for applications that do not require sizing,” says sales and marketing director Nigel Irvine. “When you combine these factors with the excellent crushing capabilities and the ease with which the machine can be transported ensures the demands of owner operators and crushing contractors are easily met.”

Cone Heads Although the company was not giving away too many details, attendees at the open day were treated to a sneak preview of the latest model in the company’s lineup of track mounted cone crushers. The C-1545 is built around a Terex TC-1150 cone crusher that provides high throughput levels and excellent product cubicity. The machine benefits from fully hydraulic assist Closed Side Setting adjustment, and can be changed in a matter of minutes. Powered by a Tier 4F/Stage IV Scania diesel engine developing 331 kW at a rated 1,550 rpm, the C-1545 utilises a direct drive transmission through a wet clutch. A metal detection system on the unit’s feed belt features an auto-top facility that protects the cone from tramp metal while a purge system ejects contaminants from the machine.

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Customers can expect to see the first C-1545 models available before the end of the year.

Coming Soon Also on the product introduction horizon and set to make an impact is the new I-140 track-mounted impact crusher. Offered with a choice of 403 kW Caterpillar or 373 kW Scania emissions compliant power packs, the I140 features a large 6 m3 capacity hopper manufactured from 10 mm gauge wear-resistant steel for optimum protection. A heavy duty vibrating feeder with integral prescreen removes fines and sizes material for reprocessing. An option under-crusher vibratory plate feeder with wear resistant liners aids material discharge while an efficient direct drive crusher chamber is supplied with a four bar rotor as standard.

The Terex Finlay I-140 has a transport length of 16.43 metres and a width of 3.0 metres with the optional hydraulically-folding bypass conveyor stowed.

On the Screen As if a host of new crushers were not enough to satisfy delegates at the open day, Terex Finlay also took the opportunity to roll out two of the first fruits of its joint venture with German static recycling screening equipment manufacturer Spaleck. The Terex Finlay 873 Spaleck is features a twodeck, German-designed and constructed high performance screenbox.

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Three great reasons to choose a Hewden Breaker 1 Tracker built into every unit for added peace of mind

2 Auto lubrication system keeps the unit healthy while keeping you working

3 Unique hanger fits both JCB and CAT excavators ORDER YOURS ONLINE NOW at hewden.co.uk

OR CALL 0845 60 70 111

k i t ta l k

The unique stepped top deck design combined with state of the art flip flow technology on the bottom deck catapults the Finlay 873 Spaleck into a class of its own. Its processing capabilities and application flexibility make the machine the only all-in-one mobile solution for processing difficult waste, recycling, slag, C&D, shredded metal, wood, compost, mulch, ores, coal and soil.

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Even large-grained material can be screened on a screening machine with a Flip-Flow screen deck. The screening desk with 3D screen segments, which is positioned above the Flip Flow screen deck to form a cascade, protects and reduces the stress on the Flip Flow screen mats. Their service life is increased and optimal screening results are guaranteed.

k i t ta l k The 3D screen segments with maximum open screen area can be changed quickly and simply thanks to the modular construction. The screen mats of the 3D Flip-Flow screen are fastened without screws and have no edges that could cause difficulties. This means that the screen mats can be changed quickly and there is an optimal product flow on the screen mats.

This means that the screen mats can be changed quickly and there is an optimal product flow over the screen mats at all times. Even large-grained material can be screened on a screening machine with a Flip-Flow screen deck. For an exclusive look at these new machines, check out our exclusive video here: http://tinyurl.com/pnzatfh

Also benefitting from Spaleck’s input is the new Terex Finlay 693+ Spaleck. The screen mats on both the top and bottom deck Flip-Flow screens are fastened without screws and have no edges that could cause snagging.

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Bridge Falls to Atlas Copco Might In addition to the different demolition grapples, breakers and pulverisers, the demolition team also made impressive use of the HM 2000 hydraulic magnet to demolish structures and sort demolition waste. There is now nothing to stop the widening of the A 8 to 6 lanes or construction of the parallel high-speed Wendlingen-to-Ulm railway link. "A logistical masterpiece," declares JÜrg Hamann, spokesman for Deutsche Bahn Projekt Stuttgart– Ulm GmbH, in praise of the meticulously planned feat of civil engineering.

A reinforced concrete bridge over the Autobahn 8 between Merklingen and Nellingen in Southern Germany was successfully demolished overnight due in no small part to the efficient, reliable performance of Atlas Copco hydraulic attachments.

Required to make way for planned infrastructure improvements, demolition of the bridge, including all ancillary tasks, was scheduled to be completed within just 14 hours. The contracted company Fischer Weilheim GmbH effortlessly finished the task well within the given time frame. They used 8 caterpillar excavators with an operative weight of up to 50 tons to remove the 1,500-ton "Blaubeurer Weg" reinforced concrete bridge measuring 64 metres long and 6 metres wide.

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Even if the technical procedure for bridge demolition is broadly similar every time, Schmid affirms that each project has its own special character. "Each bridge is a unique piece." This particular overpass spanning the A 8 did not feature a central support.

Several heavy-duty Atlas Copco grippers, breakers and concrete pulverisers weighing up to 4 tons were used as attachments. Joachim Schmid, the demolition company CEO, is impressed by the capabilities of these state-of-theart machines: "Such structures would have been dynamited in the past." Today's excavators and their attachments are so effective that such a demolition project can be completed in next to no time. "This was a construction job where coming back to finish the task the next day was not an option," explains Schmid regarding the need for reliable machines and work processes. Tasks were completed in quick succession on the construction site. As soon as roads were blocked off, workers disassembled the crash barriers and central reservations and then lay down non-woven fabric and gravel to protect the road surface. Next, the bridge railings were removed followed by the solid concrete sections and the entire superstructure.

As a result, excavators could not operate from above, the usual approach, but from down below only. It was therefore all the more important that attachments could be applied exactly where they were needed using precisely the right amount of force. It was not only the time-tested grippers and breakers which helped to dismantle the bridge successfully; a HM 2000 Hydro Magnet also gave an impressive performance. As a rigid magnet for carrier vehicles between 14 and 45 tons, it is eminently suitable for separating scrap metal from other demolition waste. It ensures greater profit thanks to optimum use of scrap steel and also provides fast, highly effective sorting and efficient recycling. What's more, cleared construction sites mean significantly less damage is sustained by machines and equipment. Now the bridge removal is complete, the Deutsche Bahn project company is now starting to build a new overpass structure across the A 8 with an overall length of around 87 metres and a height of up to 6.4 metres. Costing around 600,000 euros, the replacement structure should be finished by January 2017.

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JCB Puts Demolition on the Skids JCB’s unique “PowerBoom” design uses a single arm, rather than the conventional two-arm skid steer design, affording unrivalled visibility. This enables the use of a left side entry door - allowing the operator to enter and exit the machine clear of the attachment and loader arm – regardless of arm position. There is also a large emergency exit which can prove crucial in potentially hazardous applications. These innovative elements combine to make the JCB models the industry’s safest skid steers.

JCB has developed a purposebuilt skid steer loader to meet the specific and rigorous demands of the demolition industry. The JCB 155 SSL combines the key strengths of JCB’s conventional skid steer range with a package of demolition specific features to make an ideal solution for the challenging demolition environment.

The JCB 155 SSL boasts a range of features which have been introduced to improve serviceability. Oring face seal hydraulic fittings and a simplified design result in 38 percent fewer parts while a new tilting cab design gives technicians improved access to the machine’s power train and hydraulic components. The JCB skid steer also features a large rear service door for easy access to the engine and daily checkpoints.

The machine delivers unrivalled access to demolition sites performing soft strip tasks inside and ground clearance applications outside. The low operating weight ensures a light floor loading and the JCB can be lifted to upper floors courtesy of four lifting eyes which have been specifically positioned to minimise the possibility of machine damage when the lifting chain constrains.

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SORRY I TOOK UP THE CHALLENGE

Rockster Recycler AUSTRIA Tel.: +43 7223 81000 office@rockster.at

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k i t ta l k

The JCB 155 SSL has an operating weight of 2,883 kg, a height of 1.98 metres and width of 1.6 metres meaning it is highly manoeuvrable and able to work in the tightest spaces. Powered by a fuel efficient 42 kW JCB Diesel by Kohler engine is has a travel speed of 18.5 km/h, a hydraulic flow of 70L/m, and a rated capacity of 703 kg.

Machine protection is enhanced by routing hydraulic hoses through the boom - preventing damage from impact in confined spaces on site. For demolition the 155 SSL benefits from a pressurised cab - designed to reduce ingress of dust and harmful airborne material. It has level 2 FOPS and there is also an impact protection front screen guard and enclosed mesh cab guards.

Versatility for the demolition sector is enhanced by an extensive range of attachments including specialist tools such as scrap grapples, breakers and brooms.

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City Joins the OilQuick Horde Birmingham-based City Demolition has become the latest UK demolition contractor to fall under the spell of the OilQuick coupler system.

The company has recently invested in four new Hyundai excavators - a Hyundai R380 and three Hyundai R300s - together with a variety of new hydraulic attachments including selector grabs, concrete pulverisers, breakers, shears and 360 degree combi cutters.

City Demolition used the opportunity to install all the new machines and attachments with the OilQuick automatic quick coupler system from ECY Haulmark. “Obviously the initial outlay and costs do work out expensive but I can already see the overall benefits on progress of current projects/contracts and their swift turnaround, it’s definitely the way forward and we will continue to update our further fleet in time to come,” says City Demolition managing director Mark Doyle. “We are more than happy with the OilQuick OQ80 coupler system and the professionalism, back up and support of ECY Haulmark, their staff and management team are second to none.”cleared construction sites mean significantly less damage is sustained by machines 82 and equipment.

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