Rediseño del sistema de alcantarillado combinado y diseño de planta de tratamiento de aguas residuales para el barrio Selva Alegre, ubicado en la parroquia de Sangolquí, cantón Rumiñahui, provincia de Pichincha

Abstract

The present project proposes the redesign of the combined sewerage system and design of the wastewater treatment plant for the Selva Alegre district, located in the parish of Sangolquí, in compliance with the regulations established, this with the aim of providing a safe and reliable sewerage network for the population, and ensuring a without discharge of contaminants to the Santa Clara River. For the design of the sewerage system, hydraulic calculations, social studies and hydrological studies are carried out in order to obtain a final accumulated maximum hourly combined flow of 2.99𝑚3⁄𝑠, that is carried to the treatment plant through a collector. For the wastewater treatment plant, pretreatment, primary treatment and secondary treatment units are designed, consisting of the following structures: Flow separator, inlet channel, screen by grating, de-greasing, Imhoff tank and upstream percolator filter. For the treatment of sludge are designed sludge drying tank and before final discharge a disinfection tank. Also, a benchmark price and plans for the sewerage network and treatment plant are presented.