Thames Water brochure - July 2014

P R O J E C T O V E R V I E W

Thames Water lines up huge-scale service upgrades for AMP 6 and beyond An £8 billion investment is planned for the 2015-2020 cycle with the essential Thames Tideway Tunnel at the forefront of improvements to London’s Victorian sewage systems Written by: Tom Wadlow Produced by: James Pepper

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Replacing water pipes to help drive down leakage

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Essential maintenance work 4

hames Water is building on achievements made in the industry’s current five-year cycle by setting out ground-breaking plans for vital infrastructure and all-round service improvements for 2015-2020.

Britain’s largest water and wastewater services company delivered industry-leading, nearperfect (99.99 percent) drinking water quality for its customers last year along with notable upgrades to dated sewage systems across

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its London and Thames Valley territory.

Now the £1.81 billion revenue company continues to focus on delivering best value for its 15 million customers, as well as getting the biggest wastewater project in the UK for decades off, or in this case under, the ground.

The Thames Tideway Tunnel is a scheme which will tackle the problem of untreated sewage overflows to the tidal Thames for at least the next 100 years and is six times

“We want to ensure that if customers had a choice, they would choose Thames Water” – Bob Collington OBE, Operations Director

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Key Personnel

Bob Collington Bob was appointed as Operations Director on September 2012.

He is responsible for more than 2,300 employees who operate and maintain our water and wastewater treatment plants and networks.

bigger than the company’s Lee Tunnel, which is currently the biggest-ever single project in the privatised water sector’s history.

Also in place for the 2015-2020 Asset Management Plan (AMP) is a revolution in the way that capital and operating work will be carried out in the form of the eight2O alliance, combining expertise from technology, management and construction fields to create a formidable team for the future.

Currently, Thames Water ploughs a record £1 billion a year into improvements to a network which contains 20,000 miles of water pipes, 26 reservoirs, 350 sewage works, 68,000 miles of sewers and a staggering 1.2 million manholes.

Ensuring that it stays ahead of the tide through AMP6 and beyond is a drive for technical innovation and employee excellence, supported admirably by its graduate scheme, a programme which Operations Director Bob Collington OBE embraced himself in before reaching the upper echelons of the company.

“We need to maintain consistent levels of work to upgrade our networks over the long term and not store problems for the future” – Bob Collington

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Advertorial

Thames Water and IDEXX working in partnership Thames Water has been using the IDEXX Colilert-18® testing system to detect the presence of E. coli and coliforms in drinking water, raw water and sewage cake for more than 15 years. Colilert-18 gives accurate and confirmed results in 18 hours for both E. coli and coliforms, in contrast to other tests that require a confirmation step and typically take two or three days. It also conforms to the new ISO definition of these microbes and recently became the revised ISO 93082 standard. While it is more expensive than alternative tests, Thames’ microbiology manager Stephen Bullock believes this is more than offset by

the wider benefits the method brings.

‘Colilert has been shown to pick up E. coli and coliforms in samples more accurately than alternative test methods, with negligible false positive and negatives’ he says.

Picking up contamination earlier, before it gets out into the wider water supply and reaches customers means that operators do not have to be sent out to investigate and perform costly remediation, such as the hyperchlorination of large sections of the distribution system. False positives can lead to an operator being sent out unnecessarily. False negatives can be even more costly. If the test

‘Colilert-18 is much more selective, so counting up wells on a tray is simpler, and it has less ambiguity.’ assures that all is well but E. coli was indeed present and gets out into the water distribution system, the costs of remediation will be significant, especially if a boil notice is issued. When E. coli or coliforms are detected, the decision to take corrective action can be taken promptly and with confidence.

Following the corrective action, any re-tests can also be read at 18 hours, enabling the operations team to know the effectiveness of their remedial actions quickly.

Bullock also chooses to use Colilert-18 on all raw water samples, whether from rivers or reservoirs, because he believes the consistency this gives is important. But it’s also much more accurate and easy to use. ‘Raw water contains a lot of background flora that will also be growing,’ he says. ‘Colilert-18 is much more selective, so counting up wells on a tray is simpler, and it has less ambiguity.’ The test’s QuantiTray® displays wells with a yellow coloration for coliforms and also fluorescence under UV light if E. coli is present.

Furthermore, he uses the technique on sludge cake, where it is important to show a sufficient reduction on E. coli from raw sewage before it is released, as it is used as a fertiliser and could enter the

food chain. Again, Colilert-18 is able to eliminate the background flora, and just focus in on E. coli.

The confidence that there will be an accurate result which is simple to interpret is particularly important here.

The batches of Colilert-18 have a 15 month shelf-life, in contrast to agar plates with a two-week shelflife. Bullock chooses to buy two batches a year. As well as ensuring supply chain security, this enables him to make a QC chart for that test that will be good for the whole six months. ‘I know that any out-ofspec test results are highly unlikely to have been caused by the test media, as it has a robust history of good performance’ he says.

‘With other media, the short shelflife adds variability to a method’s performance, and there is not that long-term assurance.’

Another advantage is that IDEXX takes full ownership of the entire test process, unlike other test suppliers.

‘If any element of the methodology falters, whether it’s the equipment or we get an abnormal result we can’t explain, they will always help, whether it turns out to be their problem or not,’ Bullock says. ‘They take accountability and support us because they understand our value as a customer.’

Advertorial

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Adding value at every turn.

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Congratulations to Thames Water on exceeding their energy reduction targets.

Boulting Group are Thames Water’s consultancy and delivery partner for Pump and System Optimisation. We have helped deliver Thames Water’s energy reduction targets to meet Government requirements.

We can do the same for your business

Strategy, Testing, Analysis, Design, Delivery, Management …for pumps and pump systems.

W: www.boulting.co.uk

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T H A M E S WAT E R

ENERGY

Turning the tide Current capital expenditure is higher at Thames Water than at any other water company since privatisation in 1989 and the outcomes seen to date during AMP5 (2010-2015) show this.

Collington said: “A lot of London’s water and sewerage infrastructure dates from Victorian times. It has served us well, but this infrastructure inevitably needs upgrading and continued investment.

“Our customers rely on us to provide what is an essential service. This means we need to maintain consistent levels of work to upgrade our networks over the long term and not store problems for the future. Our plans will deliver value for money on the things our customers have told us matter most.”

Not only is the company delivering outstanding quality drinking water, it also hit its leakage

Water sampling, with last years results the best in the industry

Jack-up next to Tower Bridge

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“London in particular has outgrown its sewer system. It was designed for two million people and now it is used by more than six million” – Bob Collington

reduction target for eight years on the spin and committed strongly in the wastewater arena during this five-year cycle. This was demonstrated by a £140 million upgrade of the Mogden sewage treatment works in West London, which extended its capacity by 50 percent.

The tunnelling phase of the £635 million Lee Tunnel in Stratford was completed on time and on budget earlier this year, and when in full operation will combine with the Thames Tideway Tunnel to collectively capture an average 39 million tonnes of sewage a year from the most polluting combined sewer overflows (CSOs) built by the Victorians.

Collington also pointed to improvements of the Victorian water mains, many over 100 years old. “We’ve replaced more than 1,600 miles of worn-out mains since 2004 with new plastic ones, which are stronger and more flexible, significantly reducing the amount of leaks and bursts,” he said.

Turning the tide The final, most challenging piece in the puzzle to tackling sewage discharge into the capital’s iconic river is the Thames Tideway Tunnel, something which is marked to kick off in the next AMP cycle and is “a mustdo project”, subject to planning consent.

“London in particular has outgrown its sewer system,” Collington said. “It was designed for two million people and now it is used by more than six million.

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Newly built Lee Tunnel

“It will stop tens of millions of tonnes of untreated sewage flowing into the Thames every year, has cross-party support, and is part of the national infrastructure plan. We can’t keep using the river as a sewer.”

The tunnel will be 16 miles (25km) in length and will broadly run underneath the river, vastly improving its water quality and bringing benefits to consumers and the surrounding environment.

Settling tank at sewage works

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ENERGY

Revolutionising AMP 6 Another notable initiative taking off in the 2015-2020 plan is Thames Water’s AMP6 alliance, eight2O, a team of industry-leading firms who will combine to deliver £2-3 billion worth of work during the cycle.

The alliance is made up of two ‘design and build’ consortia, Costain, Veolia Water and Atkins (CVA), and Skanska, MWH and Balfour Beatty (SMB), programme manager MWH and technology and innovation provider IBM. “The idea behind it is to revolutionise the way we deliver capital projects during 2015-2020,” Collington added. “In February we started planning to meet the challenges of the AMP6 work

Annual raft race

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The SNF Group is the world’s pre-eminent manufacturer of synthetic polyelectrolytes. With the award of the Thames Water contract in 2012, the largest of its’ type in Europe, SNF (UK) Limited has become the principal supplier to the UK Water Industry.

The contract has developed into a partnership where SNF staff have integrated into Thames Water teams and helped deliver significant cost savings.

This relationship has already changed the approach in supporting other UK water companies.

To find out more please contact Mike Hillier-Brook on 01924 311000 or mhillier-brook@snf.co.uk

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ENERGY

programme, which starts in April next year, and currently things are moving forward very well.”

Such a formidable collaboration of expertise will no doubt allow Thames Water to deliver the highest quality large capital projects, however the company is also responding to its customers’ number one concern: leakage.

“We are a customer service business first and foremost, and want to ensure that if customers had a choice, they would choose Thames Water,” Collington said.

“In AMP6 we have committed ourselves to reducing leakage levels by an additional 59 million litres per day, having reduced leakage by 20 percent since we were acquired by the current owners, Kemble Water Limited, in December 2006.

“This will be possible through the replacement of 881 kilometres of water mains as well as the number of leaks we will be able to detect thanks to metering.

“In London we are water stressed, with less rainfall than Istanbul and only half as much as Sydney, so we need to be more efficient.

People on meters are usually more careful, and on average use around 12 percent less, so by 2030 we are looking at getting 100 percent of our customers metered.”

Smart meters allow customers to view data online and have full control over their water usage. The data will also allow Thames Water to find and fix leaks faster.

Rags in the sewers

“In AMP6 we have committed ourselves to reducing leakage levels by an additional 59 million litres per day and have reduced leakage by 20 percent since we were acquired by the current owners” – Bob Collington

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Ductile Iron Pipes and Fittings Carrying life to people

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T H A M E S WAT E R

ENERGY

Ahead of the flow All short and long-term strategies will be managed under one roof thanks to an operational hub in Reading, allowing the whole network to be overseen from one vantage point.

The Reading base will also house important developments for Thames Water in the technological field, allowing the company to keep ahead of trends and innovate the latest solutions to the problems of today and further down the line.

One such innovation is a reactor which removes phosphorus from sewage, the first of its kind in Europe and in operation at Slough, Berkshire.

With scarcer supplies of this finite nutrient, vital for all living organisms, the reactor can not only unclog pipes but also reverse the trend and treat phosphorus as a valued resource.

The reactor is producing high-grade fertiliser from waste, from which phosphorous can be recovered using Ostara’s nutrient recovery facility in Berkshire.

Another area of innovation which Thames Water is channeling investment into is THP (thermal hydrolysis process), which involves the heating of leftover waste sludge to 160 degrees Celsius at high pressure. This is then fed into anaerobic digesters where ‘good bacteria’ breaks down organic material to produce bio-methane gas that is burned to generate renewable electricity.

“We are investing £250 million to treat future sludge volumes and hit our renewable energy target by 2015,” Collington added,

Replacing water pipes

Solar panels

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1m meters of sewer cleaning & CCTV

10,000 replacement cover & frames

140,000 emergency blockages

30,000 hours of emergency tankering

2,200 major civils activities

1,200 minor civils activities

7,000 emergency make safes

2,500 clean up’s

A Customer centric, safe operation, caring for our people, whilst delivering a world-class service & being the best at what we do

Supporting Thames Water around the clock Design

Asset Management

Mouchel and Thames Water are working together to deliver services essential to the community – we’re committed to excellence.

Drawing upon over 125 years of local and international experience, Mouchel supports its clients by providing innovative solutions within the water environment for: • Design of infrastructure assets • Asset Management across the network • Operating assets to maximise efficiency

Operations

Our collaborative approach is adding value to the UK’s water companies. And our environmental, planning and consenting services support key infrastructure projects – we’re proud of our support for projects such as Thames Tideway Tunnel.

To learn more about Mouchel’s capability and experience within water, environment and the wider infrastructure markets please call our Business Development Director, Peter Foster.

www.mouchel.com

T +44 (0)7799 091278

E peter.foster@mouchel.com 0414_MIS_0149_Wat

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ENERGY

claiming the company is the biggest selfgenerator inside London’s M25 motorway.

“THP plants will be switched on at Beckton and Riverside sewage works in Essex, Crossness in Thamesmead, Long Reach in Dartford, Oxford and Crawley sewage works by next year.

“Together they will process up to 400 tonnes dry solids of sludge per day and help generate 278GWh of electricity every year.”

Utilising the supply chain As with the collaboration with Ostara for phosphorous extraction, Thames Water works closely with many innovative companies in the water industry supply chain to make sure the latest and most promising ideas make it to the front line of service delivery and improve the sector’s efficiency.

One such partner company is Boulting Group, specialist consultants who have been influential in the development of pumping site efficiencies.

This involved developing vital understanding through thermodynamic surveys, highlighting areas where energy savings could be made.

“Boulting understand the high level energy targets and commitments that Thames Water has signed up to and this helps develop a robust programme of large station upgrade projects as well as small simple projects with a quick return,” Collington said.

“The partnership has been a learning process for both parties which has proved highly

67,000 miles of sewer

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1.2m manholes

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ENERGY

Covers at Beckton sewage works

successful and mutually beneficial. The proof is that it has attracted additional investment at the back of the latest AMP cycle, where there is typically a lull in investment, creating a solid platform from which to leap into AMP6.”

Another innovative collaboration involves US-based IDEXX, experts in water testing and suppliers to Thames Water of several important products.

One of these is Colilert, used for the detection of coliforms and ecoli. “IDEXX developed this analysis and is the sole supplier to a global market,” Collington added. “It provides a fast and reliable way of detecting coliforms and ecoli in drinking water.”

Thames Water also uses a variable of

“Together they will process up to 400 tonnes dry solids of sludge per day and help generate 278GWh of electricity every year” – Bob Collington

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Thames Water Event_TCS_HLF_AD_188x130mm Monday, May 05, 2014 12:40:05 PM

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Colilert from the US supplier which detects ecoli in sludge, as well as equipment for Cryptosporidium analysis.

Best in the business Equally important as the technological processes are the people employed to make use of them.

Thames Water employs around 4,500 people along with thousands of contractors, and seeks to develop excellence and recognise and reward company loyalty through a number of industry-leading schemes.

The company holds annual employee recognition awards and events to mark long service milestones, and health and safety is its number one value.

Key to developing in-house talent is the

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SEEPEX

Seepex develops and manufactures a range of progressive cavity pumps, macerators, pump systems and controls. Our open hopper pumps for advanced sludge handling, Smart Conveying Technology for easy maintenance and integrated dosing control pumps for low pulsation metering have proved ideal for a wide range of applications, pumping low to highly viscous, aggressive and abrasive media within the drinking and waste water industry.

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T H A M E S WAT E R

Bob Collington, centre, with staff

London 2012 Olympics team at Abbey Mills pumping station 28

apprenticeship programme, a long-running initiative with 46 apprentices currently on the books. The company plans to take on another 30 in 2014/15 and also has 18 employees on its graduate programme, an initiative which facilitated Collington’s rise through the ranks.

He said: “I feel really privileged to have been given the opportunity to grow and develop throughout my career in Thames via a range of diverse roles both in the UK and USA. “As such I am committed to ensuring we continue to build our talent pipeline for the future and as Operations Director continue to be a big supporter of our in house development

ENERGY

Company Information INDUSTRY

Water HEADQUARTERS

Clearwater Court, Reading FOUNDED

Privatised 1989, history dating back to the 1600s EMPLOYEES

4,500

programmes for both graduates and apprentices.

“Thames continues to be an exciting place to work, with some great challenges and opportunities for the people here.”

Ultimately, by having the right people on board with years’ of experience both on the ground and at board level, Thames Water can continue to innovate and develop a sustainable water supply for the long term.

Collington concluded: “Our business revolves around a precious natural resource, essential to all life, and our new company vision encapsulates this.”

REVENUE

£1.81 billion PRODUCTS/ SERVICES

Drinking water supply, wastewater treatment, commercial and residential premises

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THAMES WATER www.thameswater.co.uk