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… +