Comparison of Construction Cost Estimator Models to Study Data Comparison of Construction Cost Estimator Models to Study Data

Comparison of Construction Cost Estimator Models to Study Data
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BMP	USEPA (1999) As percent of construction cost(💲)	Weiss et al. (2005) As percent of construction cost(💲)	This study Construction cost converted to 2010 💲 per ft3 of treated water volume)
Constructed Wetlands	0.8-1.7	0.2-2.4	1
Large Wet Detention Basins	0.7-1.4	0.3-3.7	2.
Infiltration Trenches	5.4	6.5-11.5	11.
Bioretention Basins	7.2	10.1-11.3	15.
Pervious Pavement	Not reported	Not reported	16
Infiltration Basins	1.80	Not reported	21.
Dry Ponds	0.7-1.4	0.3-5.0	Not reported
Sand Filters	4.1-8.2	3.4-16.8	15.