This project shall consist of the construction of four roadside stormwater treatment units, with two
located along I-295, one on Douglas Pike (Route 7), and one along Old County Road in the Town
of Smithfield, County of Providence, Rhode Island. The work encompassed in this Contract shall
include, but not be limited to, the construction of three (3) bioretention swales, and one (1)
bioretention area. The improvements associated with the work will generally consist of the
stripping of top soil, excavation of existing material, installation of filter media, installation of rip
rap dissipators, check dams, spillways, grouted sediment forebays, berms, loam, plantings,
installation of catch basins, frame and grate, and piping.