Comprehensive Everglades Restoration Program Biscayne Bay Coastal Wetlands - Phase I Project, L-31 Flow-way Pump Station S-709, Miami-Dade County, Florida
Award Notice Posted
- Solicitation number
- W912EP20C0004
- Agency
-
ENDIST Jacksonville
US Army Corps of Engineers, Department of Defense
- Awarded
- to Kiewit Infrastructure South Co
- Set-aside
- No set-aside
Opportunity facts
- Contract number
- W912EP20C0004 Federal contract award
- NAICS code
- 237990 Other Heavy and Civil Engineering Construction
- PSC
- Y1KB Construction Of Canals
- Place of performance
- Miami Fl Usa
Notice details come from SAM.gov. Updated .
About this opportunity
The Award Notice was for the construction of pump station S-709 as part of the Biscayne Bay Coastal Wetlands Phase 1 project in Miami-Dade County, Florida. The contract was awarded to Kiewit Infrastructure South Co. for $7,590,000 to build a 40 cubic feet per second electric pump station with sheet pile walls, precast concrete intake boxes, a 60-inch HDPE culvert, and controls building. The U.S. Army Corps of Engineers Engineering District in Jacksonville published the Award Notice on May 13, 2020.
Notice text
The Biscayne Bay Coastal Wetlands Phase 1 project includes construction activities associated with the
construction of one electric powered pump station designated as S-709. S-709 is a 40 cfs pump station located
north of the C-103 canal on the L-31E canal. S-709 will pump water from the C-103 canal and discharge to the
north into the L-31E canal using (2) 20 cfs submersible pumps. Pump station S-709 will also have a sixty inch
culvert with a slide gate to pass flows during emergencies when the pump station is not operable.
The pump station consist of sheet pile headwalls and wingwalls, with precast concrete intake boxes that are
placed in the wet between the sheet pile headwalls. Flowable fill is placed between the precast boxes and sheet
pile headwalls. A precast concrete deck is positioned over the precast boxes and concrete cap. In water
construction utilizing divers will be necessary, because dewatering is difficult due to the local geology and high
conductivity. The pump station has a trash rack on the intake side and flap gates on the discharge side. The culvert consists of a 60 inch HDPE diameter pipe that will be encased by flowable fill placed underwater. The
culvert headwalls are precast concrete placed in the wet and grouted between two steel king piles. A stainless
steel slide gate is mounted to the headwall and is operated by an electric actuator. Controls will be located in a
standalone precast concrete building located adjacent to the pump station structure.
Construction activities include installation of precast concrete, H-piles, king piles, sheet piles, concrete piles,
precast concrete, cast-in-place concrete, tremie concrete, flowable fill, HDPE culvert, slide gate, precast control
building, pumps, pump platform, pump station controls, electrical work, lighting, lightning protection, fencing.
Construction activities also include excavation, backfilling, stockpiling, clearing and grubbing, grading, placement
of topsoil, sodding, limerock road topping, riprap and bedding stone. Construction activities also includes
installation of stilling wells, stilling well platforms, staff gauges and floating barriers. Additional construction
activities may include dewatering, and installation of cofferdams.
Awarded contract W912EP20C0004 to KIEWIT INFRASTRUCTURE SOUTH CO. for 7590000.00 on 2020-05-13.
Notice history
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