Bridge Replacement Captured in Time Lapse Photos

Demolition and installation of a new bridge deck using a colossal 500 tonne crane, has been captured in dramatic time lapse video footage.

Moor Bridge which spans the M180 south of Scunthorpe suffered damage to an outer beam which was considered beyond repair and subsequently in need of replacement.

Careful planning enhanced safety whilst minimising disruption to the community. The M180 was closed in both directions during the replacement with the 500 tonne crane arriving on site at 4am and taking 4 hours to rig and ballast using 75 tonne of kentledge weights.

The long bridge edge beam was precast, measured 24.3m and arrived on site by low loader. Temporary edge protection system was installed onto the beam while in situ on the loader with debris netting added to prevent fragments falling onto the carriageway during assembly and fit.

In addition a temporary restraint unit was installed to be used when the unit was lifted into place to attach it to the remaining bridge deck. Once the preparation work was complete the 500 tonne crane lifted the 64 tonne precast bridge unit into place carrying out a perfect 90 degree swing to lower it onto the pier.

The use of such a large crane happens so rarely at A-one+ that we offered site visits to staff not involved with the project to aid their own professional development.

The group of site visitors met at 7am for a site induction and were given demonstrations and tours during the demolition and installation.

To find out more, click the link below.

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Entry submitted by A-one+ Integrated Highway Services

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