Communication Network - Nº22 - page 12

Business
expands its presence in
Latin America
The construction of Punta Yeguas
underwater emissary in Montevideo, will
channel wastewater from the western part
of the Uruguayan
FCC Aqualia has just been awarded the
executive project and the construction of
the Punta Yeguas underwater emissary,
part of the works of the second stage of the
urban sanitation plan of Montevideo, the
Uruguayan capital. The award is valued at
37 million euros.
The objective of the outfall`s implementa-
tion is to give a proper disposal of the Rio
de la Plata effluents to the west of the City
(estuary`s left bank) and the recovery of the
Bay of Montevideo. The start of the pipeline
FCC Aqualia
New contract in
Uruguay
will be located on the peninsula of Punta
Yeguas, and will venture more than 2 km in
the river due south.
To conveniently channel 5,350 litres per
second of the anticipated maximum flow,
the project`s basic solution provides that
the outfall is formed by a steel pipe inside
diameter of 1,500 millimetres (mm.) with a
coated concrete of 2,105 meters length.
This pipe has more than 2,800 kilos per
linear meter weight. Thirty-six diffusers of
200 mm. nozzle diameter will be installed in
the diffuser section.
A technical solution is being contemplated
to address the shallow outfall formed by
muddy and unstable soils and bathed by
waters of high turbidity, with suspended so-
lids at the mouth of the Rio de la Plata. The
solution adopted is dredging the trench and
stabilizing the soil by means of stone co-
lumns, 80 inches in diameter and of varying
depth.
This basic solution is being revised, valida-
ted and optimized by Aqualia Infrastructu-
ras; an FCC Aqualia´s company specialized
in design and construction of large water
infrastructures as part of the contract along
with the execution of the related works.
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