📋 Tender Overview
The National Water Authority (ANA) monitors the execution of cleaning and desilting actions of the riverbed in the Río Seco stream, which has been carried out by the District Municipality of Salas, with the aim of protecting the population from possible overflows or mudslides and preventing crop fields from being affected.
This complies with Emergency Decree No. 036, which establishes extraordinary measures in the face of the imminent danger of heavy rains due to the occurrence of the "El Niño" phenomenon and its associated dangers. This action is carried out by the Río Seco Local Water Administration, with the support of the Board of Users of the Río Seco Hydraulic Sector.
The Río Seco creek presents slope instability, which configures a slowly active geological hazard condition, with the potential to generate a landslide-type movement upon its activation, generating debris flows (huaicos). It also has different morphologies, wide with several tributaries and a central slope in the upper part, and downstream, the type of soil in this section is sandy with the presence of fluvial erosion.
A D8 or D9 crawler tractor and 350HP crawler excavator were used for de-siltation. The contractor may use machinery in excess of that required, as well as in addition to it and of the type it deems necessary to improve the execution times of the service, the equipment will operate at an average altitude of 430 meters above sea level.
The work that is being carried out is the loading of material to both banks of the riverbed, desilting, the material that is available in the bed of the Rio Seco creek will be used, which has different dimensions of the existing sands and silts. In order to improve the conduction capacity of the channel and mitigate the effects of erosion on both banks, mitigating the negative effects of flooding in the Rio Seco ravine, the intervention points are located in the sector called Villacuri 1, Villacuri 2 and Villacuri 3 in the district of Salas, province and region of Ica.
The cleaning and de-silting actions are carried out in a section of 9 kilometers, for these tasks a budget of S/. 587,312, with the execution period of the work being 30 calendar days. For its part, the Municipality of Salas will allocate the budget of its mining canon in the amount of S/. 2,418,350.11 and complement the work on the focused hotspots.
The Local Water Administrator Río Seco engineer Buenaventura Arturo Aguedo Manrique pointed out that the commitment of the sector is to continue working hand in hand with the District Municipality of Salas, in the same way the Mayor of the commune Javier Fernández Matta, announced his satisfaction with the commitment of the National Water Authority in providing technical assistance, to achieve the objectives and to continue working with a preventive approach in the event of a possible impact by the "El Niño" phenomenon.
