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A platform for research: civil engineering, architecture and urbanism
Planning-Level Cost Estimates for Green Stormwater Infrastructure in Urban Watersheds
The use of green stormwater infrastructure as an effective stormwater management technique has great potential in urban watersheds, and the development of accurate construction cost estimates is critical for achieving the desired results. This study evaluates a variety of factors that influence the development of construction cost estimates for implementing green stormwater infrastructure technologies, and provides the basis for unit-area planning level costs for use in large-scale urban watershed planning. Green stormwater infrastructure costs depend on land cover, development density, the specific technology, size of the controlled area, and the level of stormwater management planning. The authors of this study developed cost estimates for implementing various green stormwater infrastructure techniques within several land use types. For the purposes of this study, a minimum level of control (infiltration or slow release of the first 1.0 inch of runoff) was used and normalized to the directly connected impervious tributary area at each site. For each stormwater management plan, construction costs were estimated for two cases: (1) a redevelopment construction cost, and (2) a full retrofit construction cost. Green stormwater infrastructure construction costs depend on a variety of factors, but for planning level costs for large-scale urban watershed planning, these factors can be normalized to the directly connected impervious tributary area.
Planning-Level Cost Estimates for Green Stormwater Infrastructure in Urban Watersheds
The use of green stormwater infrastructure as an effective stormwater management technique has great potential in urban watersheds, and the development of accurate construction cost estimates is critical for achieving the desired results. This study evaluates a variety of factors that influence the development of construction cost estimates for implementing green stormwater infrastructure technologies, and provides the basis for unit-area planning level costs for use in large-scale urban watershed planning. Green stormwater infrastructure costs depend on land cover, development density, the specific technology, size of the controlled area, and the level of stormwater management planning. The authors of this study developed cost estimates for implementing various green stormwater infrastructure techniques within several land use types. For the purposes of this study, a minimum level of control (infiltration or slow release of the first 1.0 inch of runoff) was used and normalized to the directly connected impervious tributary area at each site. For each stormwater management plan, construction costs were estimated for two cases: (1) a redevelopment construction cost, and (2) a full retrofit construction cost. Green stormwater infrastructure construction costs depend on a variety of factors, but for planning level costs for large-scale urban watershed planning, these factors can be normalized to the directly connected impervious tributary area.
Planning-Level Cost Estimates for Green Stormwater Infrastructure in Urban Watersheds
Vanaskie, M. J. (author) / Myers, R. D. (author) / Smullen, J. T. (author)
Low Impact Development International Conference (LID) 2010 ; 2010 ; San Francisco, California, United States
Low Impact Development 2010 ; 547-558
2010-04-06
Conference paper
Electronic Resource
English
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