Transneft Druzhba Completes Overhaul of Petroleum Products Trunk Pipeline

Source: 3/25/2021, Location: Asia

Transneft Druzhba has completed the overhaul of the Kuybyshev Bryansk petroleum products trunk pipeline (PPTP) underwater crossing via the Tomyshevka River in Novospasskoye District of Ulyanovsk Region.

The goal was to maintain a high level of industrial and environmental safety of the diesel fuel transportation system.

The works have been carried out since January by the Kuybyshev Regional Directorate (RD) of the company. This is the first time the branch specialists have laid pipes across a watercourse with a width of 8-16 m and dug out a trench in a riverbed with a depth of 3.8 m.

To carry out repairs without stopping the petroleum products transportation, a temporary bypass surface line of the PPTP was laid. Upon completion of the work, it was dismantled.

A 237 m long section was replaced. Increased requirements are imposed on the reliability of pipelines running across water barriers, therefore, environmentally safe pipes of increased strength were used to lay the underwater crossing.

Hydraulic testing was completed, the repaired section was connected to the pipeline.

60 people took part in the repairs. 5 excavators, 4 pipelaying cranes, 2 truck cranes, 2 bulldozers, 15 pieces of other special-purpose vehicles were used.

The works in the water protection zone were carried out in strict accordance with environmental legislation. Strengthening and anti-erosion protection of the banks, land rehabilitation were carried out.

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