Burns & McDonnell designed an Oily Wastewater Treatment System (OWS) facility for the a nuclear training unit. The broader project includes two training buildings, a berthing pier extension, a pure water treatment system and an oily water treatment system.
The OWS receives oily water streams from the piers and land-based facilities and produces fuel oil suitable for reclamation, along with water suitable for discharge to the sanitary sewer system. The OWS was designed to process 30 gallons per minute of oily water and includes the following unit treatment processes:
Receipt tanks: Two at about 10,000 gallons each, using gravity for oil removal
Gravity coalescing plate oil/water separator with oil transfer system and sludge transfer system
Organo-Clay-based adsorption system to remove emulsified oils
Activated carbon-based adsorption system to provide oil polishing
Waste oil tanks: Two at about 3,000 gallons each, designed for water removal and storage
Evaluation of existing system
Development of contract specifications
Development of contract drawings
The design includes wastewater sampling and testing to characterize the wastewater quality in order to develop the treatment process and process design. The design work also included equipment selection, hydraulic analysis, 3-D building information modeling (BIM) and preparation of construction documents, including equipment specifications and contract drawings. Contract drawings included a flow diagram, process and instrument diagrams, equipment layout, equipment sections and details, piping layout, piping sections and details, tank details and equipment schedules. The project also included a basis of design document, funding and phasing plan, project schedule and construction cost opinion.