New Civil Engineer SEPTEMBER 2019
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Engineers save Whaley Bridge p11 Polcevera one year on p14 Future of roads p27 New Civil Engineer SEPTEMBER 2019 BRIDGING THE BALKANS COMPLEX GEOLOGY AND GEOGRAPHY OVERCOME IN BUILDING KOSOVO’S VITAL NEW TRADE LINK Designed to be friendlier to the environment. Sourced from our own local quarries and fi red to perfection, Hepworth Clay drainage pipe is the 100% natural choice for all today’s drainage projects. Our manufacturing processes use natural rainwater and we recycle all our heat across the site. 100% sustainable and recyclable, it has true birth to rebirth pedigree and a natural integrity that allows you to specify a genuine ‘fi t and forget’ drainage solution with total confi dence. For the full story on Hepworth Clay’s environmental credentials visit: www.hepworthclay.co.uk 6206_01_Hepworth Clay 265x210 Press_.indd Pg1 05/08/2019 11:49 New Civil Engineer IS BORIS GOING TO BE OUR INFRASTRUCTURE CHAMPION? MARK HANSFORD EDITOR o we were one year out. Boris Johnson is now the prime Alongside these reviews, fervent work to re-engage with the industry in minister, just as this column predicted back in May the quest to reduce costs is underway – to the extent that it seems certain 2015. Back then, a General Election had just returned that a very public announcement to proceed will come in the Autumn. S David Cameron to power on the back of a Brexit referen- And will Johnson stop at HS2? Unlikely. He has already visited the North dum promise that was always going to tear the country to talk up the proposed Leeds to Manchester rail link, regularly dubbed – and the Conservative Party – apart. HS3 and that forms a central plank of the Northern Powerhouse Rail pro- That Johnson was going to expertly manipulate it all to his own end so gramme. The government has already said that this project is progressing that he became prime minster before Brexit was settled was entirely predict- in “lockstep” with Crossrail 2 in the south east and Johnson, as the man able (even we predicted it). It leaves the obvious question – what now? And, who when London mayor hit the starting button Crossrail 1, has always more importantly for civil engineers – what next for infrastructure? been a fan. The signs are good. Johnson has already promised to invest in “vital infrastructure” to trigger the “beginning of a new ‘golden age’” and has It is worth remembering that as wasted no time in persuading his old pal and ICE past President Doug Oakervee to review High Speed 2 (HS2) for him. Johnson and Oakervee London mayor it was Johnson go way back to when the pair united to work up proposals for a Thames Estuary airport, the latter using his world-renowned experience of leading who kept Crossrail alive when it was construction of Hong Kong’s International airport in the 1990s. It is clearly significant that Oakervee also had a spell as chair of HS2 promoter HS2 threatened by then chancellor George Ltd and indeed told the annual George Bradshaw lecture back in 2013 that it is not the project that is wrong, but the government’s models for cost/ Osborne with the axe benefit analyses of schemes of that scale. “ What exactly Oakervee will do for Johnson, or indeed how his review It is worth remembering that as London mayor it was he who kept will dovetail with current chair Allan Cook’s own review, has not been Crossrail alive when it was threatened by then chancellor George Osborne made clear. But it would surely be a volte-face of extraordinary front for with the axe. And it was he who took the Northern Line Extension from Oakervee to come out against the project he has previously supported unfunded pipe dream to reality; and it was he who was fervently behind with such vigour. plans for more Thames river crossings and Crossrail 2. This, for the sake of the record, is what Oakervee said, back in 2013: “It Now some of those crossings may have been of questionable worth - is clear that we have not yet developed an economic model that captures the Emirates Air Line cable car and the Thames Garden Bridge to name the benefits of a scheme of the size of HS2. The government’s models two - and were, rightly, criticised. But Johnson was and is no fool, and if he really need to be re-examined,” he said, adding that, without care, any can bring some of his natural pizzazz and can-do attitude to the national major infrastructure project would struggle to get built. infrastructure debate then that can only be a good thing. “We’ve got to be really careful how we judge these things,” he said, not- We may never see the Bakerloo Line Extension to Dieppe or the Dover- ing that many other road and rail projects – including High Speed 1 – have Calais cross-channel bridge (two of his more recent and outlandish sug- failed the economic test but still been built. “A lot of the railways built in gestions), but HS2, HS3 and Crossrail 2 – don’t bet against them. the 1800s wouldn’t have passed the test either,” he said. l Mark Hansford is New Civil Engineer’s editor SEPTEMBER 2019 | NEW CIVIL ENGINEER 3 Contents NEW CIVIL ENGINEER SEPTEMBER 2019 MAGAZINE OF THE INSTITUTION OF CIVIL ENGINEERS 08 News, Comment 27 Future of & Analysis Roads 08 The Edit: Losing Silvertown Tunnel bidder launches legal challenge 08 The Edit: Consultant warns of further Crossrail delays 11 Inside Track: How engineers saved Whaley Bridge 12 Inside Track: High Speed 2 faces new review 14 Special report: Polcevera Viaduct reconstruction gathers pace 20 ICE consults on governance changes 22 Big Interview: Nick Walkley 24 Your View: Carbon neutrality; Thameslink celebrated 69 ICE Ring-fenced funding and an ambitious project pipeline Record mean there has never been a more exciting time to work in the UK’s highways sector. But the opportunity comes with responsibility to ensure engineers see the bigger picture. 28 Does ring fenced road spending 34 New digital design method to mean a rosy future for the sector? underpin road and bridge design 30 Using social impact to make the 40 New materials and technology will case for roads make roads safer and more durable 69 Johnson urged to prioritise 32 Semi-autonomous vehicles are 42 Debate: How will the roads sector UK infrastructure; new Council creating demand for supporting adapt the changing travelling members infrastructure patterns? 4 NEW CIVIL ENGINEER SEPTEMBER 2019 For instant updates follow us: Twitter: @ncedigital LinkedIn: new civil engineer Facebook: ncedigital Instagram Email: newcivilengineer.com/newsletters 49 Innovative Also this month EDITORIAL TEAM Thinking EDITORIAL ENQUIRIES Email: [email protected] Editor Mark Hansford (020) 3953 2821 mark.hansford Deputy Editor Alexandra Wynne (020) 3953 2822 alexandra.wynne Associate Editor Emily Ashwell (020) 3953 2094 emily.ashwell LISTEN: THE ENGINEERS COLLECTIVE 50 A challenging construction project A special episode of New Civil Engineer’s podcast News Editor Rob Horgan will give Kosovo a new trade link explores the digital twin with Bentley Systems’ (020) 3953 2087 rob.horgan Bhupinder Singh 54 Luton Airport’s light rail link newcivilengineer.com/podcast Technical Reporter combines seven di erent types Katherine Smale (020) 3953 2044 katherine.smale of structure ATTEND: TECHFEST 2019 Reporter 58 Extensive redevelopment of Plan your visit to New Civil Engineer’s Sam Sholli (020) 3953 2086 | sam.sholli London’s Olympia events centre festival of Innovation and Technology. Go to has to fi t around live events techfest.newcivilengineer.com Chief Sub Editor Andy Bolton (020) 3953 2823 | andy.bolton 62 SME Designer James McCarthy Interview [email protected] Graphic Artist Anthea Carter [email protected] Technical Editor Emeritus Dave Parker dave.parker CUSTOMER SERVICES ENTER (020) 3953 2152 Showcase your talent by entering [email protected] the New Civil Engineer 62 SME Interview: How Clarkebond Graduate & Apprentice Awards has rebuilt itself into a consultant graduates.newcivilengineer.com which sticks to its core skills SEPTEMBER 2019 NEW CIVIL ENGINEER 5 Lighthouse ICE VIEWPOINT Securing long term funding for roads he UK’s roads capacity, improving reliability and remain key arteries modernising the network with Nearly half of for the movement additional miles of smart motorway, British adults T of the nation’s and the shared aim of raising the goods, services and overall performance of the SRN. would support the people. Long-term investment in Encouragingly the new prime their maintenance and upgrade are minister Boris Johnson has already introduction of a pay- therefore critical to the health of said as part of his maiden speech our economy and to our quality BY ART WE that new roads (alongside other as-you-go model if it of life. MASTER infrastructure investment) are “replaced both vehicle Sectors dependent on the WHAT WOULD critical to improving business Strategic Road Network (SRN) MASTER US confidence and productivity. excise duty and fuel employ in the region of 7.4M people This would suggest that there is a and contribute £314bn in gross plan either in place or being worked duty value added annually. up for new roads investment. Through back-to-back Highways At the core of any funding plan the ballot box. England funding programmes, for roads should be a solution for Contrary to this are the results we are seeing billions of pounds the pending challenges that exist of public opinion polls conducted invested in the SRN to ensure in relation to revenues from the by YouGov on behalf of the ICE. that it can continue to deliver for traditional suite of motoring taxes.