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Bidston Moss Viaduct Strengthening

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  4. Bidston Moss Viaduct Strengthening
Client: Costain
Location: Bidston Moss, Merseyside
Project: Strengthening and refurbishment of the Bidston Moss viaduct

Background

The Bidston Moss viaduct is jointly owned by the Highways Agency, Wirral Council and Merseyside Passenger Transport Authority (MPTA).  Working for principal contractor Costain, Denholm Industrial Services was a full alliance partner alongside designers Amey and strengthening contractor Cleveland Bridge UK. The Denholm Industrial Services scope included:

  • Scaffold and full encapsulation
  • Surface preparation
  • Application of protective coatings
  • Emergency response and rescue teams for all trades

The Challenge

This complex project required a high volume of works to be undertaken within the extremely confined box girders, which were no more than 1.2m high throughout the full span.  An additional complexity was the need for ‘non-compatible’ trades to work in close proximity with each other: welding, burning and hot-works were carried out simultaneously with the application of solvent based paints.  Furthermore, the viaduct crossed over public highways, railway lines and was located adjacent to a Site of Special Scientific Interest (SSSI).

Our Solution

Denholm Industrial Services delivered, erected, maintained and dismantled over 2,600 tonnes of scaffold materials to provide a fully designed access solution to the 4km of box girders.  This scaffold was subsequently fully encapsulated with a double skin containment.  We also completed the surface preparation of over 136,000m2 of steelwork and the subsequent re-preservation thereafter.  This was the first Highways Construction Project to be accredited to BS11000 for collaborative working and relationship management.

Additional

Case Studies

  • Bidston Moss Viaduct Strengthening
  • Bidston Moss Viaduct Metal Preparation
  • Forth Road Bridge Refurbishment
  • Vox Studios Office Fit-Out

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Head Office

Denholm Industrial Services Limited
1 Barracks Close
Lufton
Yeovil
BA22 8RN
enquiries@denholm-industrial.com
+44 (0) 1935 420 081
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Telephone: +44 (0) 1935 420 081 Email: enquiries@denholm-industrial.com
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