Danforth Creek Stormwater Quality Retrofit
- This RFP had a pre-bid event.
The Danforth Creek basin is located in Palm City and is comprised of a total of 3,847 acres, consisting
primarily of residential and commercial development in the eastern and central portion of the basin and
agricultural and residential ranchettes in the western portion of the basin.
The project is proposed on +/- 11 acres west of SW Leighton Farms Avenue, and west of the Human
Society property, and will consist of the excavation and grading of a lake with littoral shelves planted
with native, herbaceous wetland species plants in combination with sheet pile weir control structure and
pedestrian bridge. More specifically the project will consist of clearing, grubbing, excavation, grading,
importing of improved soils, planting, mulching and sodding of an 8.15-acre lakel the installation of a
164 linear foot of sheet pile weir with a concrete capl installation of a 80' pedestrian aluminum bridge
with concrete abutments, 36" RCP storm pipe with mitered end sections, rip-rap, the construction of a
stabilized access haul road, and overlay of Leighton Farms Road, complete with reflective pavement
markers, striping and milling. Also included are all ancillary activities such as dewatering, demolition,
silt fencing, utility coordination, maintenance of traffic, remove and disposal of fill material, erosions
and sediment controls, and surveying.
The project will serve a total of approximately 2400 acres, or nearly two-thirds of the basin and will
increase storage capacity to assist in relieving historical flooding, and improve hydraulic conveyance.
