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Laying water pipeline for the pumping station at Tondi street 90


Civil engineering

Energy supply

Concrete works


Description of work




The purpose of laying the water pipeline for the pumping station at Tondi 90 is to ensure parallel water supply to increase the reliability of drinking water supply in neighbourhoods in Mustamäe and Õismäe in the event of possible disruptions. We built 2.5 km of 630 mm pipeline leading to the pumping station at Tondi 90. The pipeline established supplies to approximately 100,000 inhabitants. Most of the pipe length – about 1.4 km – was laid using the no-dig method. The work was performed by AS Merko Infra’s horizontal drilling team. The welding work on the pipelines, and construction of water centres and chambers was also performed by the AS Merko Infra construction crew. In the course of the work, 190 metres of protection sleeves with a diameter of Dn800 were established using the no-dig method, and 12 chambers for damper functions were also established.

AS Tallinna Vesi
Name of the project:
Laying water pipeline for the pumping station at Tondi street 90
Civil engineering
Type of construction:
Water and sewerage pipes, storm water drain lines
AS Infragate Eesti
Description of work:
New building
Tondi 90, Tallinn
Beginning of the project:
Year of completion:

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