Reconstruction of Bridge

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Location

Malmesbury

Request

To attend site and remove the existing vehicle access bridge over the River Avon, which had been condemned due to the supporting steel beams under the bridge which were built into the banking abutments on both sides of the river.

• Install a crash deck scaffold under the bridge (all under the close supervision of the Environment Agency and requested permits for this type of work)
• Remove hand rails and set aside
• Remove existing timber sleepers and set aside
• Take out condemned steel beams and dispose
• Insert two concrete lintels to both abutments
• Replace the two old steel beams with four new galvanised 203 x 133 x 30 UB’s
• Build up the abutments with the existing stone
• Replace the timber sleepers and hand rails

Time Scale

1 week

Conclusion

Many different permits, scaffold calculations, RAMS, Construction Phase Plans etc had to be submitted to the Environmental Agency for approval (this process can take up to 16 weeks). Due to our robust H&S paperwork and ISO accreditations the permits were granted within two weeks of the clients work order. The works fell under JCT Form of contract . Working over the River Avon had its challenges as from the first day on site a weather warning had been given and also a flood warning for the area which meant the scaffold had to be removed within 24 hours. Fortunately the river peaked early on the Tuesday morning so the river started to subside and the works continue. A day to day diary was sent out to the client, architect and the Environment Agency until the works were successfully completed and handed back to the client to reuse.

See images below of the work taking place:

History

The site where the works were carried out are depicted in a Joseph Mallord William Turner painting from 1791 showing the house with water wheel and the Abbey in the back ground.
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