Wessex Water has awarded multiple contracts for its £multi-million pound AMP8 Design and Build Contractors (Minor Works) Framework - the contract was tendered in 2024 via the Achilles UVDB qualification system.
Scope covers design and build (minor works) projects, covering potable and waste water, including new
works and / or the refurbishment, replacement, and maintenance of existing assets, including cyclical maintenance programmes.
Contracts awarded under the Framework Agreement will be for an initial term of five years with further potential extension options of up to three years in total.
Lot 1 - Non-Infrastructure Works (potable water and wastewater)
a) Potable water non-infrastructure scope including:
i. Refurbishment, replacement and provision of new potable ground and surface water production assets such as enhanced slow sand filter performance
ii. Disinfection, surge protection, chemical dosing, pumping systems and supervisory control
iii. Run-to-waste facilities, cartridge filters and UV
iv. Increased power resilience
v. New service reservoirs and inspection and maintenance of existing service and storage reservoirs
b) Wastewater non-infrastructure scope including:
i. Refurbishment, replacement and provision of new inlet screens
ii. MCC (Motor Control Centre) replacement and associated DNO (Distribution Network Operator) works
iii. Stormwater storage
iv. Event duration monitors
v. Settlement tanks
vi. Modular treatment equipment
vii. Digester roof replacement
viii. Chemical dosing
ix. Phosphorous removal
x. Odour control and increased power resilience.
Lot 2 Infrastructure Works (potable water and wastewater)
a) Potable water infrastructure scope including:
i. Distribution mains and lead communications pipe replacement
ii. Pressure management activities
iii. Inspection and maintenance of aqueducts, bridges and tunnels
iv. Reservoir maintenance and upgrades
b) Wastewater infrastructure programme including:
i. New rising mains and their replacement
ii. Refurbishment of stormwater management systems (inc. Tanks, overflow channels, outlets etc)
iii. Gravity solutions to maintain asset health and accommodate growth together with pipe bridge inspections
iv. Sustainable urban drainage (suds) and the need to respond effectively to emergency works that are generally pipeline related
v. Sewage pumping station refurbishments, enhanced power resilience, switchgear and transformer replacement
Lot 1 - Non-Infrastructure Works (potable water and wastewater) – contracts awarded:
- Bartlett Contractors Limited
- Bridges (Electrical Engineers) Ltd
- D.M.S. Engineeering Ltd
- EcoGenR8 Limited
- Electrical & Pump Services Ltd
- Envolve infrastructure ltd
- Galliford Try Construction Ltd
- Gel Engineering Ltd
- Hanevo Ltd
- Integrated Water Services Ltd
- Mildren Construction Ltd
- Mills Engineering Services Ltd
- OCU Utility Services Ltd
- OnSite Central Ltd
- Renn Consultancy Ltd.
- rhames Limited
- Stonbury Ltd
- Trant Engineering Ltd
- Unitspark Ltd
Lot No 2 - Infrastructure Works (potable water and wastewater) – contracts awarded:
- Bartlett Contractors Ltd
- Envolve infrastructure Ltd
- Galliford Try Construction Ltd
- Glanville Cleansing Ltd
- Mildren Construction Ltd
- Network Plus Services Ltd
- OCU Utility Services Ltd
- OnSite Central Ltd
- Stonbury Ltd
- United Infrastructure Water Ltd
- Unitspark Ltd
No information has been made available with regard to estimated total value of the contracts.
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