LocationGeorgetown, Sussex County, Delaware
MarketWastewater Treatment Plants
NEW DAF CELL NO. 1 PRETREATMENT SYSTEM, PROCESS PIPING, CHEMICAL FEED, PUMPING, STRUCTURAL, ELECTRICAL AND INSTRUMENTATION IMPROVEMENTS.
Johnston Construction Company
- Served as Prime Contractor for a comprehensive upgrade to Perdue Foods' wastewater pretreatment facility in Georgetown, Delaware.
- Constructed the new DAF Cell No. 1 Pretreatment System within the truck-bay area of an existing operating building.
- Installed the Owner-furnished Dissolved Air Flotation (DAF) system and coordinated all structural, mechanical, electrical and process connections necessary to place the system into operation.
- Installed a DAF system designed for approximately:
- 2,200 GPM DAF peak-flow capacity.
Concrete Services Division
- Performed concrete forming, placement, finishing, curing, reinforcement placement, and associated concrete work supporting construction of the new DAF Cell No. 1 wastewater pretreatment system.
- Completed concrete work for the new truck bay, including foundations, piers, slab, curb, and speed bump, together with modifications to existing truck bay concrete.
- Performed concrete construction associated with DAF floor beams, trench drain improvements, truck bay floor repairs, sludge pump pad, and door stop within the existing building.
- Constructed the concrete components of the chemical tank containment system, including the sump slab, containment slab, and walls.
- Provided concrete work for the electrical panel shed-roof area, including column footings added to the project scope.
B & R Electrical Contractors
- Performed electrical construction supporting installation of a new Dissolved Air Flotation (DAF) Cell No. 1 Pretreatment System within Perdue Foods’ existing wastewater treatment facility. The overall upgrade incorporated the DAF system, sludge storage, compressed air, chemical-feed equipment, sludge pumping, and modifications to the raw wastewater pumping system.
- Installed the electrical distribution infrastructure required for the upgrade, including conduit, conductors, boxes, supports, panelboards, transformers, safety switches, manual starters, and associated electrical equipment. The project specifications defined the electrical system around power, lighting, panelboards, conduit, conductors, and controls.
- Installed JCC-furnished switchgear and lighting equipment while providing the associated field wiring, conduit, terminations, and supporting electrical infrastructure required for the completed installation.
- Completed electrical power terminations serving pumps, motors, tank heaters, instant-hot equipment, and other process equipment furnished and installed by other trades.
- Installed heat-tracing electrical work supporting the project's process and plumbing systems. Heat tracing was specifically included within the project technical specifications under Section 22 05 33.