📋 Tender Overview
As part of the preventive measures carried out during the emergency response drill in the event of the occurrence of the El Nino phenomenon, PECH used a technology based on the use of an impermeable geocomposite with Franco-Swiss engineering in order to recover a recently affected sector of the canal. of a 12-meter stretch at the progressive km. 144+700, Santo Domingo-Moche Sector. This system allows the prompt restoration of water service in the CHAVIMOCHIC Mother Canal, significantly reducing the time and resources needed in case of damage caused by natural or climatological events, according to Engineer Jhon Cabrera Carlos, Manager of the CHAVIMOCHIC Special Project (PECH).
During recent weather events, the Canal Madre suffered damage due to mudslides, affecting its structure and therefore, interrupting the water supply for several days. In previous actions, it was necessary to use heavy machinery, large numbers of personnel and materials for repair. However, on this occasion, we are implementing this proven system in water channels around the world, which is pre-assembled modularly in coils, facilitating logistics and speeding up transport and placement. This technology significantly reduces the time of suspension of service and the cost of equipment and labor resources, ensuring a useful life of several decades based on previous experiences with current successful performance, added Cabrera Carlos.
For the installation of the product, preliminary works were carried out such as shaping and profiling the right bank slope of the Canal Madre, in addition to excavating a linear trench to place the anchoring of the geotextile and geocomposite. For the fixing and waterproofing of the product at the ends, platens, bolts and a fixing rubber were used along the entire length of the platen. Finally, the geocomposite was placed, joining the layers with a thermofusion equipment to the overlapping edges, achieving adhesion. This technology specifically allows to increase the integrity of the system in the treated sector, a layer of geotextile was placed prior to the application of the waterproof geocomposite. The work was supervised by the engineer in charge of the international company CARPI, a specialist in geocomposite waterproofing.
The geocomposite used complies with the design and operation conditions of the Mother Channel, additionally offering exceptional impervious performance and a high capacity of tolerance to deformation in case of expected natural movements and seismic events, in contrast to impermeable concrete and other technologies, said Engineer Edgar Alcántara, Deputy Manager of Operation and Maintenance.
The effectiveness of this Franco-Swiss technology system has been proven and continues to be used in several large-scale hydraulic projects around the world, with optimal results in channels of similar dimensions and similar functions. This technology is presented as an alternative that would allow the PECH to be implemented in the aforementioned contexts in order to guarantee the water supply service for the production of drinking water, generation of electricity and for irrigation, concluded the manager of the Liberta irrigation project.
