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PJSC Sibur and Mammoet extend contract

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Hydrocarbon Engineering,

PJSC Sibur has extended its contract with Mammoet Russia, with a scope that covered the unloading of more than 300 oversized and heavy components of a combined weight of 20 000 t from the river port in Tobolsk. Subsequently, Mammoet will transport and install them at the ZapSibNeftekhim petrochemical complex construction site in West Siberia.

ZapSibNeftekhim will become the largest modern petrochemical facility in Russia. The project incorporates a steam cracker with a capacity of 1.5 million tpy of ethylene, around 500 000 tpy of propylene and 100 000 tpy of butane-butylene fraction (BBF).

Alongside the steam cracker, units are being constructed to produce various grades of polyethylene and polypropylene to a total capacity of 2 million tpy. The facility is designed for deep conversion of a substantial portion of byproducts of oil and gas extraction, including associated gas. It also aims to provide import substitution for polymers that are in high-demand for the Russian market. The facility will contribute significantly to the economic development of Tobolsk.

Over the last year, Mammoet has worked with PJSC Sibur to ensure operations were executed safely and met all deadlines. Mammoet has unloaded more than 200 oversized and heavy components, weighing between 30 and 917 t, in Tobolsk. These were then transported over 23 km to the construction site where they were lifted and installed. Two of the components were 106 m long pyrolysis columns, each weighing 917 t. Mammoet realised efficiencies through optimisation of equipment, early planning of logistics and finding ways to reduce disruption to site traffic during the large-scale transport operations. This year, the components are lighter, with the heaviest column weighing 480 y, but their amount is greater, at more than 300.

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