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鈥淓ven before HS2 has properly begun, the budget has more than doubled and it鈥檚 more than 10 years behind schedule. So, it is really important the government gets a grip on that.鈥�

So says Sadiq Khan, the London mayor who has seen first-hand how drastically and quickly a major rail project can go off the tracks. Khan and London鈥檚 experience with Crossrail has done little to quell concerns about the tentatively approved 拢100bn HS2 project, as months of headlines have pointed out all the ways major infrastructure projects can go awry.

>> Latest: Chinese could get role in HS2 鈥� but not for next five years 

When the idea for HS2 was floated in 2009 by then-transport secretary Andrew Adonis, it could hardly have been envisaged that the railway would take almost 11 years to receive the go-ahead, which finally came from Boris Johnson last week. Back then, the project was advertised as a way to stamp out domestic flights and as Britain鈥檚 opportunity to deliver its own high-speed rail line. Adonis said the country had been shamed into HS1, which links London with the Channel Tunnel, by the French.

The plan for the country鈥檚 second iteration of high-speed rail was originally budgeted by Network Rail in 2010 at between 拢30.9bn and 拢36bn. It was given a budget envelope of 拢42.6bn in 2011 prices two years later.

The rolling stock was estimated to cost a further 拢7.5bn. These prices were combined and adjusted for inflation in 2015 to give the megaproject a budget of 拢56.6bn.

The cost of HS2 is significantly higher than similar projects elsewhere in the world

Four years on, that official budget has swelled to between 拢80.7bn and 拢88.7bn, with the independent review led by Douglas Oakervee estimating that it could increase by another 15% to 20%.

But the budget blowout is just part of the financial picture painted by Oakervee in the review, which was published as Johnson spoke about the project from the despatch box last week. What is perhaps more concerning is that the cost of HS2 is significantly higher than similar projects elsewhere in the world, such as those in continental Europe, Japan or China.

鈥楪辞濒诲-辫濒补迟别诲鈥�

Oakervee, who was the original chair of HS2, says there are reasons specific to the UK that have led to the project鈥檚 exorbitant comparative price 鈥� he thinks the construction industry鈥檚 fragmentation is partly to blame for HS2鈥檚 eye-watering price tag. Other factors include the high specification of the project, which is being built to handle more services at higher speeds than the world鈥檚 most prolific high-speed lines in China.

Oakervee describes the design as over-specified and 鈥済old-plated鈥� 鈥� a nice way of saying excessively extravagant. He says that contractors, terrified of risk in the post-Carillion world, are pricing in too much risk and should be told to cost engineer their projects or risk losing their contracts. Given that the industry stands to earn around 拢4m a day from work on the project, the threat of redistribution of contracts, which has been built into the first civils contracts awarded, would alarm many firms.

The problems with price are just one of the issues highlighted in the review, which also raises lessons from projects 鈥� namely Crossrail 鈥� where there have been a lack of appropriate skills through different stages of the project 鈥� particularly systems integration.

The review says: 鈥淟earning from other major transport projects, including Crossrail, indicates that there needs to be a single point of accountability for systems integration: systems should be considered from the outset of the project and integration plans should be fully understood.鈥�

I don鈥檛 think the HS2 Ltd leadership has been good enough

Boris Johnson

Having the appropriate skills, controls and governance in place for varying stages of the project is one area that does appear to be heading in the right direction for HS2 鈥� with Oakervee optimistic about the performance of chair Allan Cook and chief executive Mark Thurston.

Boris Johnson was critical of the management when giving it the green light and last weekend his transport secretary Grant Shapps repeated government misgivings. 鈥淚 don鈥檛 think it鈥檚 been a well run project up until this point,鈥� he said. 鈥淚 don鈥檛 think it鈥檚 been well led; I don鈥檛 think the HS2 Ltd leadership has been good enough.鈥�

But Oakervee is optimistic, saying Thurston has played a leading role in reshaping the executive team and in seeking to improve the capability of HS2 Ltd, while the performance of the organisation鈥檚 board has been on an upward trajectory since Cook鈥檚 arrival in December 2018, even though the project has had some significant leadership churn in that period.

Phase 1 managing director Jim Crawford walked away from the project in June last year after five years in post and has since found himself appointed to the board of Crossrail. Richard Robinson, chief operations officer and Thurston鈥檚 second-in-command, left last September and has been named Atkins鈥� chief executive for the UK and Ireland.

Sarah Johnson, the programme鈥檚 corporate sponsorship director, left a month later to take up the role of chief executive of the sponsor board for the Palace of Westminster鈥檚 restoration.

Despite this turnover at the top, the review says it has determined that HS2 Ltd鈥檚 board and corporate governance appeared to be nearing substantial readiness for the next stage of the project 鈥� but additional non-executive directors should be appointed to keep oversight and add expertise.

Johnson鈥檚 announcement did little more than keep that section of the project in a holding pattern

While headlines last week signalled that this next stage of HS2 seemed likely to start sooner rather than later, it is not quite that simple. While Johnson said 鈥測es鈥� to the sections of railway that will run from London to Birmingham and onward to Crewe, the news was not so clear-cut for the arms that will continue on to Manchester and Leeds, or in fact the project鈥檚 London terminus at Euston.

>> HS2 latest

While Johnson was emphatic that the line will continue to the North and that plans for an integration of HS2 phase 2b and Northern Powerhouse Rail (NPR) would see improvements to northern infrastructure delivered earlier than the current prediction of 2040, Johnson鈥檚 announcement did little more than keep that section of the project in a holding pattern.

But John Armitt, chair of the National Infrastructure Commission (NIC), welcomes the government鈥檚 decision, particularly its integrated plan for the North, which he says will be informed by an assessment from his organisation. 鈥淸While] the precise scope of this [assessment] has yet to be finalised, the prime minister set out that the assessment will seek to identify the most effective sequencing of all relevant investments in the North, and look at how HS2鈥檚 phase 2b and NPR can work alongside other investments in a cost-effective way,鈥� he says.

This appears to be a 鈥渟ensible way forward at this stage鈥�, Armitt says, adding that what UK infrastructure needs is sound decision-making to inform long-term planning.

It is understood the government wants to make its decision on how best to proceed based on the NIC鈥檚 recommendation by the end of the year. One source close to the project says it would not be surprising if the funding for phase 2b is, at least in part, rolled into the money for NPR to create a more cohesive plan and make the funding for HS2 more politically palatable.

When it comes to Euston, there are shades of Crossrail鈥檚 problem-project Bond Street already emerging. The job is apparently running so far behind that the Oakervee review recommends reworking the designs and starting phase 1 services with a temporary terminus at Old Oak Common.

Plans for Euston

Apparently, HS2 Ltd and the Department for Transport, together with Lendlease and Network Rail, which are responsible for the masterplan to redevelop the mainline station, have been exploring options for amending the design of Euston station to potentially reduce the size and number of platforms and encourage a single build, which Johnson has said is now a requirement for the project to go ahead.

It is understood that the Mace/Dragados team signed up to deliver the central London HS2 station will also be brought into the team in order to rework the programme. Even if this is achieved, there are other uncertainties at Euston that make the scheme significantly more problematic than other phase 1 stations, even bearing in mind that the project has already been forced to restart the procurement process for Curzon Street station in Birmingham in order to handle risk distribution more fairly.

The fact the highly uncertain Crossrail 2 project is due to run through Euston is just one of the issues feeding into the uncertainty, with Oakervee also saying he feels HS2 is unable to optimise the commercial opportunities that will be provided by the new-look station.

Aside from complications on the project itself, there are still concerns about what an investment in HS2 means for other infrastructure schemes. London鈥檚 Khan, who has long been for ensuring the line runs all the way to Euston, says, perhaps unsurprisingly, that while it is important to invest in areas outside the capital, it is imperative this does not come at the expense of infrastructure investment in the capital. He has previously expressed the importance of this given that is where the largest amount of the tax earnings that fund major infrastructure comes from.

You don鈥檛 need to invest in the north of the country at the expense of London

Sadiq Khan

鈥淚 think it is possible to do more than one thing at a time. We need to increase capacity in train lines going across the country, not just from London to Birmingham, but to the North-east, the North-west and to Scotland as well,鈥� he says. 鈥淭he government has got to realise that it is not a zero-sum game. You don鈥檛 need to invest in the north of the country at the expense of London.鈥�

This statement encapsulates one of the biggest challenges facing HS2 鈥� the fact that much of the country feels it is missing out. Whether it is London fearing it will not get the funding to deliver schemes such as Crossrail 2 and the Bakerloo line extension, or Wales and Scotland feeling they are simply being ignored, HS2 faces a public relations battle to prove its worth 鈥� a fight non-executive director Dame Judith Hackitt has previously told the board it is losing.

While the project may have the right to go ahead and, as Armitt says, 鈥渋t feels like we stand at a moment of great promise鈥�, there is no surety it will proceed without significant problems. In fact, if past projects tell us anything, it is almost guaranteed to encounter significant hurdles.

This is the point that Oakervee seeks to reinforce repeatedly, that while certain factors around the scheme, such as the high level of specification and the many-tiered construction supply chain, are unique to either the country or the project, there are still lessons that HS2 must learn. And it must learn them quickly if it is to stand any hope of delivering what it needs to 鈥� and getting the country as a whole onside with the project.