AIS Vanguard Makes Decommissioning a Smoother Ride for Michelin in Dundee

Tuesday 20 July 2021, 10:28 AM

4 Minute Read

After 50 years of tyre production and 300 million tyres produced, Michelin’s Dundee factory closed in 2020, in a move that will see the site repurposed as an innovation centre for fledgling and growing businesses. To aid decommissioning, AIS Vanguard has completed a nine-month programme strip out redundant machinery and assets with a combined weight in excess of 2,400 tonnes. The wide-ranging project also included demolition of six of the site’s 14 buildings, including responsible disposal of 8,000 tonnes of demolition waste and all works were carried out during the pandemic, incorporating health and safety best practice.

 

Planning and Collaboration

The initial brief for AIS Vanguard was to remove two redundant tyre manufacturing lines while the tyre factory was still operational. As Michelin’s needs changed and the decision was made to close the plant before any decommissioning work began, the AIS Vanguard team revised the plan, including the method statement and risk assessment for the project, phasing the project to include all decommissioning, asset removal and demolition works.

Although the site is very large, the AIS Vanguard team had to plan the decommissioning project around Covid safety best practice and create work bubbles with dedicated transport to site and welfare facilities for each bubble. As the project required multi-disciplinary skills and the skills and equipment needed in each location changed as the project progressed, this added a layer of planning complexity requiring a structured but agile approach to scheduling and safety.

As part of the briefing process, Michelin outlined to the AIS Vanguard team which assets would be sent to scrap and which could be salvaged for re-use. Those assets suitable for re-use were removed by the AIS Vanguard team and loaded onto transport for redeployment at other Michelin facilities throughout Europe. Michelin also appointed a decommissioning manager for the project and the AIS Vanguard team worked collaboratively with the Michelin project manager and the skeleton team remaining on site to aid the decommissioning.

 

Turnkey Approach

The site was split into two zones, with AIS Vanguard working as Principal Contractor and Principal Designer for both locations, including full CDM responsibility, safety management and site security. Activity for both zones was delivered simultaneously.

Six buildings were demolished, including a tank farm, a solvent store, two production facilities and a boiler house, along with a 55m chimney stack. A number of canopied link bridges between buildings, containing services and conveyors, also had to be removed and conserved for future use and a c.500m pipe bridge was dismantled.

Some of the redundant production equipment, which had been assessed as too uneconomical to remove by hand, was also demolished prior to removal from site.

The AIS Vanguard team decommissioned and removed a variety of equipment from site, ranging from overhead conveyors to large mills and roll beds. Some of these assets weighed in excess of 70 tonnes and the AIS Vanguard operatives utilised a variety of lifting gear to carry out the project, including various fork lift trucks, MEWPS, Valla cranes, Ormig pick and carry cranes, Versalifts and a 400T Gantry system.

Where the assets were too large to be removed whole, the AIS Vanguard team mechanically dismantled them where possible and flame-cut large sections to enable removal where necessary.

The Right Team and Tools

A briefing was carried out on a daily basis to ensure the whole team understood the planned schedule of works for the day and that safe working procedures were maintained. At the peak of the project, 35 members of the AIS Vanguard team were on site, ensuring the right expertise and supervision to get the job done safely and efficiently.

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