| Work Detail |
THREE BIDDERS FOR SLUDGE TREATMENT PLANT IN COLORADO
Recently, offers were opened to build the sludge treatment plant of the purification plant of the Colorado River Aqueduct, in the Pichi Mahuida area. Three companies were presented. In mid-2019, the then secretary of Water Resources, Javier Schlegel, estimated that the investment would be about 25 million.
The event took place at the headquarters of the state company Aguas del Colorado Sapem, chaired by its owner, Juan Carlos Mecca, accompanied by the current Secretary of Water Resources, Néstor Lastiri. The price contest involved the companies IACO Construcciones SA, Bepha Construcciones SA, and ILKA Construcciones SRL. The task of evaluations and comparison of both antecedents and economic offer will be advanced, with a 60-day term for the award.
In the midst of the struggle that La Pampa engaged in disagreement over the Portezuelo del Viento project, Río Negro took the opportunity to claim for this plant that should have been built 15 years ago. Immediately, at that time, Governor Carlos Verna promised his execution. "This work was to be financed by the Nation, because it had thus committed itself, but given the evidence that it will not do so, the governor -Verna- decided that the Province is going to put the money to build the plant," Schlegel explained then. .
As this newspaper reported in the edition of February 18 last, the construction of the mud treatment plant was approved by the Executive Committee of the Inter-jurisdictional Committee of the Colorado River (Coirco) in September 2019.
Plant
The state company Aguas del Colorado, who will monitor the work, gave explanations. "The purpose of the work is to extract the mud from the discharges of the sewage drainage systems so as not to produce its discharge to the Colorado River, thus respecting the provincial regulations for the control of discharges, with regard to the suspended solid and aluminum parameters. The maximum discharge limit to be met for the aluminum parameter in the discharge to the Colorado River is 2.00 mg / l, ”they reported.
The "Treatment Chain" is made up of: collection of low aluminum content streams (from the regeneration of softeners) for direct disposal to the Colorado River.
Also from the collection of drains with a high aluminum content (discharge of decanters and filters) to separate the sludge.
The uptake of sludge through geotextile membranes or geo-driers (special bags designed for these purposes) with evacuation of filtered water from the bags.
Another point is the discharge to the river of the treated effluents together with those of low aluminum content. In addition, the final destination of the mud accumulated in the bags through their transfer to storage areas. |
