Ferryboat Lane Footbridge

Buildings & Structures, Civil Engineering

Brief Description

Replacement of a life expired footbridge at Ferryboat Lane near Mexborough, to DDA compliant regulations.

Project Delivery

The existing access over the railway at Ferryboat Lane near Mexborough consisted of a life expired steel footbridge constructed in the 1940s which was in a poor state of repair. The closure of the adjacent foot crossing some years prior resulted in poor accessibility between the communities of Mexborough and Old Denaby.

A new footbridge comprising of staircases and DDA compliant ramps had been in the planning stages for some years. CML worked closely with Network Rail and design partners to complete the design and fabrication of the structure under the RCDP framework.  Implementation works commenced in March 2021 following contract award and were set against the backdrop of the COVID-19 pandemic.  The project was managed by CML’s experienced Structures Project team based in Leeds, with support from our established supply chain partners. Integral to the successful delivery of the project was a positive and collaborative working relationship with our supply chain partners and the Network Rail Project team.

Design

CML managed the design to AFC and bridge fabrication under a previous framework contract with Network Rail during CP5.  Following the award for the implementation works, the design elements were predominantly temporary works for the crane pads and the piling design.  Due to programme constraints the review and approval process for the piling and temporary works designs had to be completed in a timely manner.  This was achieved through our level of self-assurance employed by our project / in house design team – our systems and processes allow us to undertake these tasks ensuring right first time and effectively limiting client interaction, speeding up the client review process. By including specialist piling contractors from the supply chain in the design process, we were able to adopt the most suitable and efficient pile design to fit the site constraints and drive best value.

Successes

  • Embracing modern methods of construction accelerated the project. Carrying out the fabrication work off site meant this amounted to the assembly of a number of prefabricated elements; this helped to eliminate a lot of the risk associated with adverse weather.
  • Delivered on programme despite being constrained with extensive interaction needed with members of the public and the adjacent fishery. The existing footbridge was kept open for the public throughout the construction of the new structure.
  • Safety was a priority, working approximately 25,000 hours with 30 close calls, and no accidents or incidents.
  • Innovation was introduced into the screw pile activity, with computer-controlled placement of the piles as well as digital protection for ALO and exclusion zones around the pile rig.
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