Portal de Cartagena
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The Ministry of Water, Agriculture, Fisheries, Livestock and Environment has awarded the works for the rehabilitation of sanitation collectors in Los Urrutias (Cartagena), with a budget of 51,800 euros and a deadline of two months.
The objective is to prevent both urban wastewater losses due to existing fissures, and thus prevent contamination of the Mar Menor, such as seawater infiltrations into the network of collectors, which subsequently reach the sewage plant, with the consequent increase in the salinity of the water to be treated.
The works affect a stretch of 1,054 meters on Antonio Reverte street and 429 meters on Lagunas de Ruidera street, with 600 and 300 mm pipes respectively.
Since infiltrations from the water table from outside the duct are not significant, open trench methodologies are discarded and alternatives are proposed such as lining the entire pipe that is damaged with a fiberglass sleeve that is introduced through of the cabs or wells impregnated with resins, which adheres internally to the existing duct, waterproofing it.
It is one of the fastest rehabilitation procedures that currently exist and can be performed both in urban areas with high traffic and in locations with limited space.
Fiberglass blankets will also be placed in those sections where infiltration is detected from the fissures, an alternative similar to the previous one, although the setting process is not carried out with ultraviolet light.
In the Antonio Reverte street collector, which presents sections in which there are specific leaks and others in which it is required to repair almost all of it, a combination of the two mentioned techniques will be carried out.
The technicians of the General Directorate of Water of the Ministry are assessing the sewers of the populations affected by the floods, to carry out their rehabilitation.
Source: CARM
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