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Wednesday, 08 November 2023 09:40

South West Water appoints delivery partners for £3bn AMP8 Engineering Capital Delivery Programme

South West Water has awarded a number of contracts for its Tier 1 delivery partners framework agreement for the upcoming AMP8 Engineering Capital Delivery Programme 2025-30.

SOUTH WEST WATER LOGO

South West Water has appointed the following companies as the partners who will support its ambitious new investment programme worth almost £3 billion:

West region - BAM Nuttall Clancy and Mott McDonald Bentley have been appointed as main construction partners

East region - Tilbury Douglas, MWH Treatment and Network Plus Envolve.

The Strategic Partnership also includes a range of professional consultants:

  • Stantec, Long O Donnell, and Turner & Townsend will provide project management;
  • Aecom, ChandlersKBS and Turner & Townsend will ensure best value-for-money;
  • Aecom, Arcadis, Pell Frischmann, Stantec and WSP will produce innovative designs.

 

A number of local specialist firms will be appointed in the next few months to complete the company’s new delivery model, designed to provide flexibility and resilience to meet demand and support workloads across the whole region.

SOUTH WEST WATER EMPLOYEE INSIDE TREATMENT PLANT GENERIC

The contract was tendered in 4 separate Lots via the Achilles UVDB UK utilities industry pre-qualification system:

Lot 1 - Non-Infra Waste (East) scope includes refurbishment, replacement and provision of wastewater treatment assets

Lot 2 - Non-Infra Waste (West)

Lot 3 - Non-Infra Water

Lot 4 - Infra Water/Waste

 

Non-infrastructure waste scope includes refurbishment, replacement and provision of wastewater treatment assets including:

  • Refurbishment, replacement, and provision of new treatment facilities such as inlet works
  • Stormwater storage
  • Event duration monitors
  • Biological treatment
  • Tertiary treatment,
  • Sludge treatment
  • Reed beds
  • Digester roof replacement
  • Sewage pumping stations including pump replacement, enhanced power resilience, switchgear, and transformer replacement.
  • Overflows, metering, telemetry & monitoring
  • Combined Heat and Power (CHP)
  • Chemical dosing
  • Phosphorous removal
  • Supervisory Control and Data Acquisition (SCADA)
  • Increased power resilience
  • Underground assets such as sewers, rising mains, etc

 

Non-Infrastructure scope includes:

  • Refurbishment, replacement and provision of new potable ground and surface water production assets Enhanced slow sand filter performance
  • Disinfection
  • Surge protection
  • Chemical dosing
  • Supervisory Control and Data Acquisition (SCADA)
  • Run-to-waste facilities
  • GAC filters
  • Pumping stations including pump replacement, enhanced power resilience, switchgear, and transformer replacement.
  • Metering, telemetry & monitoring
  • Water towers - refurbishment and replacement
  • Abstraction points - refurbishment, replacement, and new installations
  • Boreholes
  • Desalination
  • New service reservoirs
  • Inspection and maintenance of existing service and storage reservoirs
  • Underground assets including pipes, water mains, etc
  • Raw water mains - refurbishment, replacement & new installations Trunk & distribution mains - refurbishment, replacement & new installations
  • New trunk mains associated with growth, distribution mains and whereappropriate/specified communications pipe installation & replacement
  • Rehabilitation of distribution and trunk mains utilising 'no & low' dig technologies
  • Pressure management activities
  • Inspection and maintenance of trunk mains, aqueducts, bridges, and tunnels.
  • Rehabilitation and replacement of trunk and distribution mains near and crossing rail and other critical infrastructure.

 

The scope of the Wastewater Infrastructure programme includes:

  • Rising mains - refurbishment, replacement & new installations
  • Installation of gravity sewers
  • Gravity sewers - refurbishment, replacement & new installations
  • Rehabilitation of gravity and rising mains utilising 'no & low' dig technologies including CIPP
  • Pumping stations installation and refurbishment including pump replacement, enhanced power resilience, switchgear, and transformer replacement.
  • Sustainable urban drainage (SUDs)
  • Overflows, metering, telemetry & monitoring
  • First time sewerage
  • Surge protection
  • Rehabilitation and replacement of sewers near and crossing rail and other critical infrastructure; - gravity solutions to maintain asset health and accommodate growth together with pipe bridge inspections

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