Diseño hidráulico del sistema de riego parcelario para el Proyecto Chambo Guano Los Chingazos - Fase II, en el Módulo 6, comunidad Chingazo Bajo del cantón Guano.

Abstract

This research aimed to design the irrigation system for the Chambo Guano Los Chingazos Phase II project, specifically for Module 6 located in the Chingazo Bajo community. Preliminary studies such as topography, updating of the cadastre, water quality tests, soil mechanics, and analysis of water rights were carried out, which served as the basis for the hydraulic design together with the preparation of plans, budgets, and technical specifications, all of which were necessary for its construction. The hydraulic design was based on three design criteria: the first was the design flow, which was calculated in the agronomic study and limited to the existing flow; the second criterion to be considered was a range of velocities between 0.5 m s-1 and 3.0 m s-1 which correspond to optimal velocities for PVC; and the third criterion was the static pressure - below 0.63 MPa - and dynamic pressure - above 0.10 MPa -, controlling the head losses along the network. The hydraulic design was modeled for 28 scenarios that represent each of the irrigation shifts; from this analysis a network of 9.96 km was obtained in pipes of 160 mm, 110 mm, 90 mm, 90 mm, 63 mm, 50 mm, and 40 mm in diameter, in addition to this, especial works were proposed that complement the operation of the system such as sand trap, reservoir, air valves, drainage, pressure reducers, and vectorization as well as 131 hydrants at the head of the lot. Based on the hydraulic designs, information was generated on plans, reference budget, and technical specifications that will allow the implementation of the technic irrigation system; the expected value for the construction is USD 488478.38. It is concluded that the hydraulic design allowed us to know the dimensions, capacity, and cost of the technical elements of the irrigation system in Module 6 and elements that were framed within the established design criteria, which led to a balance between the operation of the system and its cost. To ensure its correct operation, users must be strictly organized when using the planned shift and timetable. To this end, we recommend the respective training on issues related to operation and maintenance, which will enable efficient water resource management to be developed, which will be reflected in an increase in productivity.