Transportation of spent catalyst hoppers to Atyrau Refinery, Kazakhstan


ALE has been awarded and successfully completed the transportation of three spent catalyst hoppers, comprising of five parts from the fabrication yard to Atyrau Refinery, Atyrau.


Services Required

The five parts weighed 814t in total.

ALE provided the full engineering scope, including the stability checks, lashing and jacking calculations, saddles proposals, transport arrangements and all civil infrastructure works.

ALE jacked-up the cargo using four hydraulic 130t jacks and six man lifts from the ground to the suitable height for the 24 axle lines of SPMTs to drive underneath the saddles of the cargo.

The heavy pieces were transported in convoy through the city centre of Atyrau on conventional trailers and SPMTs under police escort.

During the convoy, ALE utilised 44 axle lines of conventional trailers in a 4 file 22 configuration. This was the biggest trailer configuration ever used inside the city of Atyrau.  The trailers were precisely manoeuvred through the city’s narrow streets. On several turns, the trailer’s axles were lifted to enable fly-over curbs with no damage to equipment or infrastructure.

In order to minimise disruption to the citizens, transportation was conducted only on Sundays and outside of peak hours.

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  • Transportation of spent catalyst hoppers to Atyrau Refinery, Kazakhstan

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