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Water Science & Technology Vol 64 No 9 pp 1942–1950 © IWA Publishing 2011 doi:10.2166/wst.2011.175

Design and construction of an experimental pervious paved parking area to harvest reusable rainwater

E. Gomez-Ullate, A. V. Novo, J. R. Bayon, Jorge R. Hernandez and Daniel Castro-Fresno

School of Civil Engineering, University of Cantabria, Avda. Castros, Santander, 39005, Spain E-mail gomezullatee@unican.es


ABSTRACT

Pervious pavements are sustainable urban drainage systems already known as rainwater infiltration techniques which reduce runoff formation and diffuse pollution in cities. The present research is focused on the design and construction of an experimental parking area, composed of 45 pervious pavement parking bays. Every pervious pavement was experimentally designed to store rainwater and measure the levels of the stored water and its quality over time. Six different pervious surfaces are combined with four different geotextiles in order to test which materials respond better to the good quality of rainwater storage over time and under the specific weather conditions of the north of Spain. The aim of this research was to obtain a good performance of pervious pavements that offered simultaneously a positive urban service and helped to harvest rainwater with a good quality to be used for non potable demands.

Keywords: pervious pavement; rainwater management; storm-water harvesting; SUDS


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