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Water and utilities

Supporting our customers as they deliver essential services

MGF have vast experience in delivering shoring solutions to the water and utilities sectors, including supply to the Water Companies for their AMP programmes which accounts for around a third of our business.

For planned works, our early involvement with customers enables us to provide value engineered design solutions balancing safety and practicality. Such schemes can range from smaller trench support systems utilising steel trench sheets and manhole brace to larger cofferdams, often with complicated geometry, utilising trench sheets or sheet piles and heavy duty hydraulic bracing and hydraulic struts.

Reactive works are usually smaller scale excavations, often in restricted site conditions with very limited planning time available, therefore trench support tends to be provided by trench boxes, manhole boxes, drag boxes, vertishore and trench sheets with walers and struts or manhole braces.

It is in this arena where MGF’s logistical agility provides maximum impact to the customer through fast response times.

Furthermore our innovative approach to product design means that we have the capability to assist our customers in overcoming the challenges they face, for example our GRiPSHORE range has been developed predominantly to satisfy the needs of the reactive utilities market as GRP is safe to use for electrical works and it is light enough to be handled manually.

Case Studies

Rising Main Replacement with GRiPSHORE at Wigton Road, Leeds

Project: A project to replace a section of existing cast iron rising main in Leeds ‘Millionaire’s Row’ has called for MGF’s latest lightweight technology.
Customer: In Depth Civil Engineering and Barhale
As part of the Yorkshire Water AMP 6 programme, the MGF Yorkshire Depot supported Barhale to safely undertake the replacement of 930m of an existing rising main along Wigton Lane in Leeds, using the innovative safety solution GRiPSHORETM
GRiPSHORETM is MGF’s new lightweight shoring range which combines GRP (Glass Reinforced ...

On: 1 Dec, 2016By: MGF

Case Study – Water Treatment Works at Hyndburn

Case Study – Waste Water Treatment Works at Hyndburn
Project: Waste Water Treatments Works at Hyndburn
Customer: United Utilities
Main Contractor: HMB Alliance

In 2003 the HMB Alliance were upgrading Hyndburn WwTW at Great Harwood, as part of a £10 million water treatment project. This required a 14.0m long, 3.0m wide, 10.0m deep trench to carry large pipe runs from the main settlement tank.
Aside from the high loadings generated by the fairly poor ground conditions (granular fill with ...

On: 24 Feb, 2016By: MGF

Case Study – Water Treatment Works at Hurleston

Case Study – Hurleston water treatment works
Project: Water Treatment Works at Hurleston
Customer: United Utilities
Main Contractor: Balfour Beatty

In 2003, Balfour Beatty Construction were in the process of upgrading Hurleston WTW, located just north of Nantwich off the A51, as part of a £6 million design and build contract. A major part of the contract was the construction of a new Clean Backwash/Interstage Pump/Sump Tank, alongside an existing 2-storey Control Building.
This required the installation of a ...

On: 24 Feb, 2016By: MGF

Case Study – Vyrnwy LDTM Project

Vyrnwy Large Diameter Trunk Main Project
Project: Vyrnwy Large Diameter Trunk Main Project
Customer: Balfour Beatty Utilities

The Vyrnwy Large Diameter Trunk Main (LDTM) consists of three parallel pipelines with a total combined length of around 240km. These large mains carry up to 210 million litres of water a day from, Lake Vyrnwy, to 900,000 people in Cheshire and Merseyside.
Over the project, MGF teams across multiple locations have demonstrated the ‘one team’ service excellence to deliver the temporary ...

On: 24 Feb, 2016By: MGF

Case Study – Sewer Replacement in Shallow Trench GRiPSHORE

Case Study – Sewer Replacement in Shallow Trench UTILISING GRiPSHORE™
Sector: Water and Utilities
Client: South West Water
Contractor: R & M Utility and Civil Engineering Services
Location: St Johns Road, Exmouth
Scheme: 600mm Diameter Sewer Replacement
MGF Depot: Exeter
Products hired: GRiPSHORE™ 500mm GRP Vertishore rails with aluminium hydraulic struts

Scope of works:
R&M were contracted by Balfour Beatty to replace a 140m sewer run in Exmouth, Devon. The works required a full road closure and the route ...

On: 24 Feb, 2016By: MGF

Case Study – King Posts at Buckton Castle

Case Study – King Posts at Buckton Castle
Project: King Posts at Buckton Castle, Stalybridge
Customer: United Utilities
Main Contractor: KMI

In 2002, a joint venture between Kier, Murphy and Interserve were constructing a new £4.7 million filtration system at a water treatment works in Oldham, as part of a £300 million framework deal awarded by United Utilities.
This required a 4.0m deep excavation with a perimeter of approximately 46 metres in total. The location of the excavation cut ...

On: 24 Feb, 2016By: MGF

Case Study – Hornsey Water Treatment Works London

Case Study – Hornsey Water Treatment works
Project: Hornsey Water Treatment Works, London
Customer: Thames Water

As part of their AMP4 programme Costain asked MGF to design and supply numerous temporary works solutions for seven schemes on a large WTW improvement scheme. The largest and perhaps most challenging schemes on the site was the Lamella Building excavation.
The 7.4m deep excavation measured 58.3m x 17.4m and was adjacent to a river and reservoir, therefore is was essential that ground ...

On: 24 Feb, 2016By: MGF

Case Study – AMP5 Upgrade at Walton le Dale WwTW

Case Study- AMP5 Upgrade at Walton le Dale WwTW
Sector: Water and Utilities
Client: United Utilities
Contractor: KMI Plus
Location: Walton-le-Dale, Lancashire
Scheme: AMP5 Programme
MGF Depot: Astley, Manchester
Products hired: MGF 406 UC Brace, MGF 400 Series Strut, Larsen sheet piles, trench boxes, manhole boxes, Vetter pipe stoppers

Site overview:
United Utilities commissioned a major upgrade to the existing Waste Water Treatment Works in Walton-le-Dale near Preston as part of their AMP5 programme. The works site was partly ...

On: 24 Feb, 2016By: MGF

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