Diseño del sistema de alcantarillado combinado y estructuras especiales para los barrios altos de La Argelia etapa tres y cuatro, parroquia La Argelia, cantón Quito, provincia de Pichincha

Abstract

To the south east of Quito are the Algeria's high neighborhoods organized in two stages: 3 and 4, with an area of 62.72 hectares and a current population of 1050 inhabitants, who do count not a sewage system that meets and guarantees your rights of to live in a healthy and ecologically balanced environment. The proposed sewerage system advances with 8775.80 meters of PVC pipe in diameters from 300mm to 700mm; It has 235 type wells, 42 jump wells from 1m to 4m deep, 2 lofty steps, one of which is located in the depression of the Pita - Tambo channel between Wells 405 and 404, and the second in the delivery of the sanitary charge Once the combined flows pass through the annular separator of the well 323, where the derived flow is delivered to the natural channel, the Chushig ravine through the discharge 1, the design also considers a lateral flow separator in the well 312 with its respective download structure 2. Being 1485 inhabitants projected for 30 years, being a number very less than 30,000 inhabitants, in addition, the place of study lacks industrial discharge, so the treatment plant is discarded as indicated by the EX-IEOS design standard, therefore , the sanitary flow is available to a future Lumbisí treatment plant. Being a development project, the positive environmental impacts exceed the negative ones, the construction time is 6 months for each stage, running from downstream upwards, resulting in an investment of $ 1,254,328 as indicated in the budget obtaining an NPV of $ 12,495 at an IRR of 12.20%.