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HeavyTorque Issue Three: Allelys - Crossaig



In 2014, Allelys were awarded the ‘Crossaig’ contract to deliver and install power generating equipment weighing up to 133te for Siemens, as part of the £200M “Kintyre-Hunterston Transmission Reinforcement Project”. This included a new build Substation, 14 kilometres of new overhead lines & 41 kilometres of double circuit sub-sea Cables. The project was always going to be challenging due to the geographical location, access and sheer remoteness of the site, which was set in the Kintyre Peninsular, opposite the Isle of Arran.

Allelys, along with their dedicated marine partners, Osprey Shipping were able to provide a complete factory to foundation solution. The transformers were moved by rail from the factory in Linz to the Felbermayr inland river terminal, where they were loaded on to a barge for onward transport through North Europe to Rotterdam. Here they were loaded aboard a vessel for the final ocean leg to Campbeltown.

During the marine operation, Osprey Project Coordinators supervised the operational interfaces ensuring safe delivery into Campbeltown Harbour – where the units were safely discharged to Allelys. The 133te PST’s (Phase Shifting Transformers) were then loaded on to the smallest of Allely’s three Goldhofer Girder Frame Trailers (200te capacity) and moved at night under Police Escort along the A83 to the Killean Estate.

HeavyTorque Issue Three: Allelys - Crossaig
HeavyTorque Issue Three: Allelys - Crossaig


Due to the remote location of the site, the last 19kms of the route were over the Cross Kintyre haul road – which in its simplest form is an upgraded forestry track. This meant that the Girder frame trailer could not be used to travel the entire route directly from port to site, and the only suitable type of trailer able to carry such a heavy load along the final 19kms to site was an SPMT (Self Propelled Modular Trailer).

In order to transfer the PST’s from the Girder Frame Trailer to the SPMT, a suitable transhipment area was selected on the A83 just before reaching the haul road. Allelys project engineers then conducted a full engineering survey of this area, from which ground loadings were calculated and load spreading mats and stools used to ensure that there was no risk to either the infrastructure or cargo during this operation.


Allelys also engineered a solution and supplied and installed an overbridge to an existing concrete bridge at Brackley, which was approximately halfway along the forestry track. The existing concrete bridge was structurally incapable of supporting the weights required – even using the SPMT – due to the combined transport weight of over 200te per load. The final 19kms of the journey, using the SPMT on the haul road to reach the other side of the Kintyre Peninsular – took two days travelling at around 3mph – whilst negotiating gradients of 1 in 6 and encountering some extremely tough weather conditions! The project was successfully completed earlier this month, with Allelys and Osprey Shipping being highly commended for their work.

HeavyTorque Issue Three: Allelys - Crossaig
HeavyTorque Issue Three: Allelys - Crossaig
HeavyTorque Issue Three: Allelys - Crossaig


HeavyTorque White Logo

It is with regret, that the HeavyTorque team have decided to take a stand based on an industry-wide ‘blind eye’ to the waste in the magazine and periodicals business.

HeavyTorque (#15, July 2018) was the final issue to grace the shop shelves, both on the High Street and across the travel network. As part of our onward strategy to adapt, HeavyTorque will now be distributed exclusively through controlled circulation and available through printed subscription.

Please note, this change will only affect newsstand purchasers. There will be no change for our loyal print subscribers.

Why the newsstand change? Quite simply, we can no longer (in good conscience) participate in a distribution programme that creates such an inherent waste of our precious natural resources – and money.

For those of you who have enjoyed HeavyTorque from the newsstand, we sincerely appreciate your business – and we would hope that you’ve enjoyed the magazine enough to consider a direct subscription?

Single Issues

If you prefer to purchase individual issues (one at a time), you will still have the ability to do so, both online (via the website), or by calling our offices +44 (0) 1572 3450872. Orders for single issues received before the pre-publication deadline will be mailed along with the subscribers.

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It remains our objective, philosophy, and goal to provide our readers with the best content available, together with stunning feature photography. We do hope you will continue to support our venture!