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PMC ESPO Completes Comprehensive Testing of New Oil Storage Tank at Tayshet IPS in Irkutsk Region

Date of publication: 04 October 2018 Print

Eastern Siberia – Pacific Ocean Project Management Centre (PMC ESPO, a Transneft subsidiary) and Transneft East have completed comprehensive testing of the oil storage tank No. 9 with a volume of 50 thousand cubic meters (VSFRT-50,000) at Tayshet initial pumping station (IPS) No. 1in Irkutsk Region.

Comprehensive testing means a tank is filled with oil, and operability of the tank’s equipment and protective systems are checked. According to the results of the comprehensive testing, VSFRT No. 9 was approved for inclusion into the ESPO PS system and commissioning.

PMC ESPO started constructing the tank in November 2017. Stage by stage, a pit was dug, and a pile foundation was constructed (1,421 piles with a length of 13 meters each), an electrochemical protection cable and a hydrophobic layer were laid. After the foundation was ready, the builders began to weld metal structures of the tank's bottom and walls, proceeding to assembling the floating roof after that. At this stage, each connection was tested multiple times, and the verticality of the entire assembled structure was checked.

In the spring of 2018, after the completion of the main construction and installation works, an initial survey of the assembled steel tank was performed. The work was carried out over the course of a month: experts from the Pipeline Transport Institute examined the tank’s foundation and metal structures and carried out geodetic measurements (laser scanning and levelling) of the oil storage facility.

Also, hydraulic strength and leakage tests were carried out at the tank as a mandatory stage of checking the reliability of the steel structure.

For reference:

The Extension of the Eastern Siberia – Pacific Ocean pipeline system up to 80 MTPA project provides for construction of six new PSs in Irkutsk Region and reconstruction of 15 existing ones; in addition, the volume of the tank farm will be increased by 50 thousand cubic metres, and external power supply facilities will be constructed. As part of the first phase of the project, PSs No. 3, 6 and 9 were built. Construction of PSs No. 2, 5 and 7 began in December 2017. After the Eastern Siberia – Pacific Ocean pipeline system is extended up to 80 MTPA, the number of active PSs along the Tayshet IPS – Skovorodino PS section will rise to 21.