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News from Costa Rica…

July 11, 2019

SADE recently won its second deal using both microtunneling and traditional techniques for AyA (Instituto Costarricense de Acueductos y Alcantarillados).

The project is called “Construcción de alcantarillado sanitario, colectores sur : desvío Maria Aguilar y extensión aserrí”.

It will cost €13.6 million, is funded by the IADB (Inter-American Development Bank), and is set to take 18 months.

It involves the installation of sewer mains:

  • 1,660m (⌀ 600mm) using a microtunnel boring machine (MTBM),
  • 915m (⌀ 1,200mm) using a MTBM,
  • 4,533m in an open trench (⌀ from 100 to 1,200mm).

Official notice of the award of the Maria Aguilar project has been published. The deal will be officially signed in the next few days. The start-up SO should be issued in the first fortnight of September.

The Maria Aguilar River is at the heart of the country’s capital, San José. It is part of the Grande de Tárcoles basin, which flows into the Pacific Ocean.

It is one of the country’s most polluted rivers due to discharge of industrial waste and wastewater from towns and villages along its course. Multiple public and private campaigns have been launched and are still ongoing to re-establish ecological equilibrium: creation of the Río Maria Aguilar wildlife corridor, permanent reforestation programme, etc.

Tags: Costa Rica

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