Sustainable stormwater drainage. A rain water management alternative at the University of Sonora.

Abstract

This article presents a study that was developed due to the recurring problem of flooding that occurs in the urban area of Hermosillo during the rainy season, and on the main campus of the University of Sonora. The study consisted of the evaluation of the pluvial drainage system in the university campus through the application of hydrological, hydraulic, topographic and social tools and principles to determine the flows generated by the runoff of rainwater in the twelve micro-basins identified, derived from the statistical process of the maximum daily rainfall of a series of 34-year annual climate record at the meteorological station of the city center. The precipitation-duration-return period (P-d-Tr) curves were obtained by choosing a design storm for a period of 10 years, and a duration of the storm equal to the concentration time that was variable for each of the micro-watersheds Once the flows were defined, the hydraulic elements necessary to capture and conduct the rainwater were calculated; Finally, the modality to take advantage of water in rainwater management was established, taking into account sustainable use.