Digital Master Controller PLC Replacement and Recommissioning - KHC

The Indian Health Center, Kayenta Health Center, requires a Digital Master Controller PLC replacement and recommissioning. The project involves replacing the existing PLC, restoring HMI/PLC communications, and returning the DMC system to normal operation. The contractor shall furnish all labor, materials, equipment, tools, supervision, transportation, and coordination necessary to complete the work. Key aspects of the project include: • Replacing the existing faulty PLC with a new OEM-approved PLC • Verifying proper power supply, grounding, and I/O terminations • Providing and installing OEM-required firmware, software, programming tools, and licenses • Conducting functional testing and system commissioning • Coordinating all required system outages with the Facility Representative • Verifying alarm functionality and confirming resolution of all communication faults