Due to the age of existing control systems, the existing documentation was not considered to be reliable. Additionally, the project construction activities would need to be completed during an annual boiler outage so highly accurate design documents were required to ensure efficient construction execution. The mill needed a team that could provide field assessments, BMS expertise, PLC programming, detail design, as well as construction and commissioning support.
The project replaced approximately one-thrid of the field instruements because they were obsolete. All new control wiring was installed and demolised existing control panels and benchboards were removed. Harris Group staff worked as a team with the client's staff on checkout and start-up. Harris Group played the lead role in the PLC programming and checkout.
Harris Group provided a Class 10 scope and estimate, detailed design, PLC programming, construction technical support, field checkout/commissioning, and start up assistance. The project scope involved over 250 instruemnt loops and more than 100 motors.
The mills recovery furnance control system had to become obsolete and was no longer supported by the OEM. The system included a Honeywell TDC3000 and Honeywell HPM distributed control system and pneumatic single loop controllers. This project installed a new Honeywell Experion distributed control system (DCS) and included replacement of the process and burner management PLC systems.
Harris Group was able to support this challenging effort from FEL through detailed design, programming, construction, commissioning and start up.
Harris Group was able to support this challenging effort from FEL through detailed design, programming, construction, commissioning and start up. The construction was completed during an annual boiler outage and was completed on time and within the project budget.
New electronic field instrumentation replaced the existing pneumatic field instrumentation and was wired to new Honeywell Experion I/O. The project scope involved over 250 instrument loops and more than 100 motors.