A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Stormwater Exfiltration System for Road Retrofit
Road retrofit such as sewer replacement or road reconstruction in existing urbanized area can provide a good opportunity to implement stormwater low-impact development (LID) technologies. In Canada and northern United States, stormwater management should occur not only in summer and fall but also in winter and spring. A stormwater exfiltration system was designed to manage stormwater over four seasons by retrofitting roads with two 200 mm (8 in.) perforated pipes with ends capped below a storm sewer system. The design concept is to direct road runoff up to 13 mm of rainfall to these two perforated pipes with ends capped and fill the void space of the sewer trench for exfiltration to the surrounding soil at all times (i.e., including snowmelt and winter rainfall). Two and a half kilometers of this exfiltration system was constructed in the City of Toronto and found (by monitoring) to be able to control rainfall up to 24 mm without overflowing to the storm sewer above. This paper presents the planning and design criteria, costs, construction and maintenance, and performance evaluation.
Stormwater Exfiltration System for Road Retrofit
Road retrofit such as sewer replacement or road reconstruction in existing urbanized area can provide a good opportunity to implement stormwater low-impact development (LID) technologies. In Canada and northern United States, stormwater management should occur not only in summer and fall but also in winter and spring. A stormwater exfiltration system was designed to manage stormwater over four seasons by retrofitting roads with two 200 mm (8 in.) perforated pipes with ends capped below a storm sewer system. The design concept is to direct road runoff up to 13 mm of rainfall to these two perforated pipes with ends capped and fill the void space of the sewer trench for exfiltration to the surrounding soil at all times (i.e., including snowmelt and winter rainfall). Two and a half kilometers of this exfiltration system was constructed in the City of Toronto and found (by monitoring) to be able to control rainfall up to 24 mm without overflowing to the storm sewer above. This paper presents the planning and design criteria, costs, construction and maintenance, and performance evaluation.
Stormwater Exfiltration System for Road Retrofit
Li, James Y. (author) / Joksimovic, Darko (author)
International Low Impact Development 2015 ; 2015 ; Houston, Texas
2015-01-12
Conference paper
Electronic Resource
English
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