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“La Mica Quito Sur” System provides water to the southern area of Quito, it is currently carrying a maximum flow of 1560 l/s, less than 1750 l/s for which it was designed, this decrease is due to factors that generate energy losses in the line of conduction which decreases its hydraulics capacity. We were carried out an intense activity to get an updated hydraulic model. Plans and system databases were collected and validated in situ. Then the hydraulic model was built, calibrated and validated, obtaining from its analysis the current hydraulic characteristics and the factors that influence the reduction of the hydraulic capacity, the same that are presented in the superior conduction, results that allow establishing that the losses are due to: the lack of maintenance in the structures and valves, loss of local load in the reservoir collection tower, possible accumulation of sediments and possible accumulation of air in the system. To establish alternative solutions, five scenarios were modeled to simulate critical, optimal and average conditions of operation of the reservoir for different transported flows, which determined negative pressures that prevents the transport of the maximum design flow. From their analysis was concluded that the most viable solution alternatives so that 1750 l/s can be transported through the pipeline are: maintenance of the system complemented by the modification of the profile of the line of conduction; or the implementation of a booster on the abscissa 2 + 908 of the upper conduction, with pumping height of 30 m W.C.

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Análisis en Flujo Permanente de los Factores que Inciden en la Disminución de la Capacidad Hidráulica de la Línea de Conducción del Sistema La Mica-Quito Sur