PAST PROJECTS:
Power Distribution and Lighting:
- Design and implementation of 2500 KVA, 4160/480VAC transformer, associated overcurrent protection, motor control center and motor controls
- Electrical power and lighting design for conference building
- Electrical power and lighting design for engineering building
- Replaced 27 PCB substation transformers with silicon filled transformers
- Implement temporary lighting and power for engineering/maintenance shutdowns using portable generators
- Miscellaneous 480VAC 3 phase and 120/240VAC 1 phase power distribution
PLC and process measurement/control:
- Instrumentation and controls for Valmet secondary headbox for paper machine
- Black liquor soap skimmer instrumentation and controls
- Pulp mill digester switching valves, automatic steam purge, and steam flow
- Allen-Bradley SLC-500 PLC system with analyzers and sensors for Class I Div I chemical monitoring (chlorine and solvents)
- Green liquor density instrumentation and controls
- Convert non-woven machine control software and hardware from Allen-Bradley PLC-5 to RSLogix
- Replacement of Rosemount DCS controls with Allen-Bradley PLC-5 for a calender roll hot oil system
- Design and implementation of numerous single-loop control systems for pressure, level, flow, and temperature
- General Electric Fanuc PLC controls for stacking of printing plates
Motor controls and variable speed drives:
- Variable speed drive, electrical controls and instrumentation for pulp mill broke decker
- Hot lime vibrating conveyor with a AC variable speed drive
- Upgrade of Reliance Automax drives and controls including installation of new Automax rack, power supplies, controllers, communication cards, analog and digital I/O cards, miscellaneous photoeyes and proximity switches
- Commissioning of non-woven coordinated line drive system using Allen-Bradley 1336 Force drives
- Siemens Micromaster 440 variable speed drive for air flow control
- Numerous 480VAC 3 phase motor starters, variable speed drives, and associated controls
General processes and equipment:
- Chlorine piping system
- Paper machine tail cutter
- Paper machine reclaim system
- Paper machine speed and draw monitoring system
- Paper machine couch roll cleaning shower
- Upgrade controls for secondary pulp refiners (from relay logic to A-B SLC100)
- Upgrade paper machine press roll loading (controlled crown roll)
- Rotating equipment guard audit and retrofit to meet OSHA requirements
- Lime mud precoat filter advancing doctor blade
- Adhesive systems non-woven materials
- Fife web guides
- Pneumatic pellet handling system including vacuum pumps, level sensors, and level controllers
- Machine drive emergency stop systems
- Printing system and registration control for medical gown logo printing
- Coating solution delivery system control and instrumentation
Finishing/Material Handling:
- Semi-automatic roll wrapper for paper rolls
- Parkinson winder for non-woven material
- Sage Automation roll handling system for non-woven material
- Semi-automatic packaging equipment for printing plates
- Upgrade paper machine winder drive and controls from Reliance analog electrical to Reliance DCS 5000
- Replace paper machine winder lowerator/separator
- Replace pneumatic stacker with servo motor controlled stacker using Allen-Bradley 1394 servo controllers
- Replace rewinder slitter section
- Shaftless core chucks on paper machine rewinder
- Controls for paper machine winder primary and secondary arms
Utilities:
- Upgrade recovery boiler air pre-heaters
- Aerators at waste water holding pond
- Desuperheater for recovery boiler air pre-heater and paper machine steam shower
- Recovery boiler blowdown control and heat recovery
- Replace administration building roof
- Desiccant dryer system for instrument air system
- Oxygen analyzers for bark and natural gas boilers
- Recovery boiler soot blower control panel
COMING SOON:
