Who will do what in AMP5?

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Anglian Water: £2,122 million

Areas of expenditure: More than half the programme (£1,224 million) will be spent on capital maintenance, with the balance split between quality enhancements (£390 million), investment needed to balance future supply and demand (£588 million – of which the company expects to recoup £175 million from grants and developers) and enhanced services (£94 million).

Major projects proposed: £50 million water treatment works in Lincolnshire.

Contractors: Anglian Water Engineering, Balfour Beatty, Barhale Construction, Biwater Treatment, Black & Veatch, Grontmij, and Skanska Construction are members of the @one Alliance, which will deliver more than 50% of the capital programme. Balfour Beatty has a separate £60 million three-year water network repair and maintenance contract (with developer services).

Dwr Cymru: £1,104 million
Areas of expenditure: The programme will include spending over £370 million on maintaining the water supply network – including improvements at 20 water treatment works, a further £260 million on maintaining and upgrading sewerage networks, £70 million to supply services to new housing and other developments, and further investment to reduce incidences of sewer flooding.

Major projects proposed: Introduction of full advanced sludge digestion at three sites to reduce energy costs and carbon footprint (£88 million); replacement of 529km of water mains that have caused repeated interruptions (£81 million).

Contractors: Imtech (£90 million) Costain (£60 million), Black & Veatch, Morgan Est.

Northumbrian Water: £1,217 million
Areas of expenditure: The focus of the programme is on projects to increase drinking water capacity and quality – including a reduction of lead levels and risk of discolouring – to deal with increasing volumes in sewerage systems, and to reduce the incidence of sewer flooding.

Major projects proposed: £150 million scheme to increase the capacity of Abberton Reservoir near Colchester for Essex & Suffolk Water customers.

Contractors: Fastflow has a three-year (extendable) contract for mains repairs, maintenance renewals and extensions in Northumbrian Water’s franchise. Other contracts are still under negotiation.

Severn Trent: £2,452 million
Areas of expenditure: The bulk of the programme will cover the reduction of vulnerability of water supply for 1.9 million customers due to failure of water treatment works and aqueducts, as well as meeting new sewage treatment standards at 92 sites, leakage reduction, and increasing metering to 42% of customers by 2015.

Major projects proposed: Permanent flood barrier at Mythe Water Treatment Works, Stensham to Coombe Hill pipeline, upgrade to Stoke Bardolph sewage treatment works, sewage flooding alleviation scheme in Gloucester.

Contractors: Main alliance of Balfour Beatty, Barhale Construction, Biwater Treatment, Costain, Enterprise, Interserve, LoRImtech, May Gurney, Mott MacDonald Bentley, Morgan Est, and North Midland Construction; Mouchel has the framework engineering contract.

Southern Water: £1,752 million
Areas of expenditure: The capital maintenance programme will include refurbishing and expanding capacity at treatment works, the installation of 55km of new sewers and the renewal or renovation of a further 305km, plus the renewal of 304km of water mains.

Major projects proposed: A £300 million wastewater treatment scheme in East Sussex, £30 million of flood protection work in Portsmouth, and a universal metering programme.

Contractors: Balfour Beatty, 4Delivery, Barhale Trant, Morrison Utility Services and Clancy Docwra.

South West Water: £705 million
Areas of expenditure: Much of the programme covers the rehabilitation of mains to reduce the risk of water discolouring, the replacement of pipes most likely to cause supply disruptions, and six integrated urban drainage schemes to develop more sustainable systems. SWW will also spend £75 million on upgrading sewage works and £60 million on maintaining sewers.

Major projects proposed: £24 million upgrade of water treatment works at Wendron, Bovey Cross, Drift, Restormel, Greatwell and Tottiford; £10 million on restoring natural wetlands on Dartmoor and Exmoor, and in the Exe, Otter and Tamar Valleys.

Contractors: In final stages of negotiation with four contractors (including Balfour Beatty) with whom it will form the H5O Alliance to deliver the bulk of the programme. Mouchel has the main engineering contract.

Thames Water: £4,913 million
Areas of expenditure: The programme is split between investment to hold service levels for new and existing customers (over £3 billion), investment to meet new requirements (over £1.5 billion), and efficiency improvements. It will include the replacement of 662km of water distribution mains, the rehabilitation of 263km of sewers, and the enhancement of 17 critical sites for resilience to flooding.

Major projects proposed: Work on the London Tideway Tunnels (£960 million, including £600 million for building the Lee Tunnel), with a further £675 million to be spent on increasing capacity and cleaning up discharges at five associated wastewater treatment plants (Mogden, Crossness, Beckton, Longreach and Riversides). The programme also includes the redevelopment of Deepham Sewage Treatment Works (£50 million).

Contractors: Three consortia of Murphy, Clancy Docwra, Barhale and MWH (known as “Optimise”), Morrison Utility Services and Galliford Try (MGJV), and Galliford Try, Biwater and Mott MacDonald (GBM) have “base line” contracts collectively worth about £1.2 billion over the period, which respectively cover water pipe and sewer work in north London and the Thames Valley, water pipe and sewer work in south London, and water and sewage treatment across the capital. A fourth “base line” contract for water and sewage treatment in the Thames Valley will be awarded before the end of April. The MVB (Morgan Est, Vinci, Bachy Soletanche) venture has a £400 million contract for the Lee Tunnel, while a Laing O’Rourke/Imtech JV has a £140 million contract to upgrade the Beckton sewage treatment works extension. Mouchel has a framework engineering contract.

United Utilities: £3,572 million
Areas of expenditure: Key elements of programme are the upgrading of wastewater treatment works, pumping stations and sewers to reduce the risk of pollution, the development of new groundwater sources, the cleaning and renewal of water pipes across the region, and initiatives to produce power from the methane given off by sewage sludge.

Major projects proposed: Completion of the 55km West East Link Pipeline (£125 million), which will carry 100,000m3/d of water between Merseyside and Greater Manchester, an £88 million upgrade of water and wastewater systems in Cumbria, and £20 million to improve the wastewater system in Keswick.

Contractors: Balfour Beatty and Enterprise are construction partners for the period, with BB’s contract worth about £500 million. The KMI Plus venture involving Kier, Murphy, Interserve and Mouchel has a £250 million major projects contract, which includes new sewage tunnels in Preston.

Wessex Water: £1,016 million
Areas of expenditure: Mains rehabilitation to improve the quality of drinking water and reliability of supply will involve the renewal of 384km of pipes, and the replacement of 2,000 lengths of lead pipework. Other big areas of expenditure will be upgrading and expanding the capacity of sewage treatment works, and projects to reduce flooding risk to water treatment works and sewers.

Major projects proposed: A new 112km water grid with 22 new or refurbished pumping stations to link the company’s existing north of Bournemouth through Salisbury towards Bath, which will cost £289 million and take eight years to complete; £26 million of improvements to Weston-super-Mare sewage treatment works; an £18 million capacity expansion at Taunton Ham sewage treatment works; £15 million on water quality improvements at Sutton Bingham treatment works.

Contractors: A partnership of Mouchel, Lewis Civil Engineering and May Gurney has the main framework contract.

Yorkshire Water: £1,875 million
Areas of expenditure: The bulk of programme (over £1 billion) is to be spent on maintaining existing services, with 714km of water mains to be renewed, relined or cleaned and 206km of sewers renewed or renovated. The company will also carry out maintenance and enhancement work at 83 wastewater treatment plants.

Major projects proposed: £110 million on improving bathing water on the East Yorkshire coast; a £70 million upgrade of Meadowhall sewage works in Sheffield; £18 million to upgrade the Acomb Landing water treatment works in York; £13 million to upgrade underground pipework in Sheffield.

Contractors: Mott MacDonald Bentley, Barhale WSP, Earth Tech Morrison, Morgan Est Grontmij, Byzac/Entec, Balfour Beatty and Morrison Utility Services will be responsible for £1.35 billion of the infrastructure improvements. BB’s contract alone is worth over £60 million.