Tab 3 - SOW DMC PLC REPLACEMNET.pdf

STATEMENT OF WORK

TO: DMC PLC REPLACEMENT AND RECOMMISSIONING

AT: KAYENTA HEALTH CARE CENTER KAYENTA, ARIZONA

DATE: DECEMBER 30, 2025

PERIOD OF PERFORMANCE: AWARD DATE – JULY 31, 2026

INTRODUCTION

Kayenta Health Care Center (KHC) operates critical power generation and control systems necessary to support continuous healthcare operations. The Digital Master Controller (DMC) system is a critical component used to monitor and control generator operations. The DMC system is currently experiencing an HMI/PLC Communication Failure, resulting in loss of reliable system monitoring and control. This Statement of Work (SOW) defines the requirements for replacement of the existing PLC and recommissioning of the DMC system to restore full operational functionality.

BACKGROUND

Kayenta Health Care Center provides comprehensive inpatient, outpatient, and emergency healthcare services. Reliable power generation and control systems are essential to patient safety and facility operations. The existing DMC PLC has experienced a system fault that cannot be resolved through troubleshooting alone and requires replacement. The work described herein shall be performed by qualified technicians experienced in generator control systems and OEM-supported PLC platforms.

OBJECTIVE

The objective of this project is to replace the existing DMC PLC, restore HMI/PLC communications, and return the DMC system to normal, reliable operation in accordance with manufacturer and facility requirements. Successful completion shall be based on documented functional testing and COR acceptance as defined herein.

PERFORMANCE DESCRIPTION

The Contractor shall furnish all labor, materials, equipment, tools, supervision, transportation, and coordination necessary to replace the DMC PLC and recommission the system. All work shall be coordinated with Facility representatives and OEM support (Cummins or approved equivalent) to ensure proper programming, validation, and operational integrity of the DMC system. Work shall be performed in a manner that minimizes impact to facility operations and maintains system safety.

SCOPE OF WORK

1. Coordinate project scheduling with the Facility Representative and OEM support.

2. Perform a pre-installation site walk-down and review existing DMC drawings and documentation.

3. Safely de-energize and place the DMC system in a controlled condition prior to work in accordance with approved lockout/tagout procedures.

4. Remove the existing faulty PLC and associated components as required.

5. Provide and install a new OEM-approved PLC compatible with the existing DMC system.

6. Verify proper power supply, grounding, and I/O terminations.

7. Provide all OEM-required firmware, software, programming tools, and licenses necessary to complete PLC programming and commissioning. No OEM software or licenses shall be assumed to be Government-furnished unless explicitly stated.

8. Load OEM-approved firmware and application programming.

9. Configure communication parameters to restore HMI/PLC communications.

10. Integrate the PLC with existing HMIs, alarms, sensors, and field devices.

11. Perform point-to-point I/O verification.

12. Conduct functional testing and system commissioning, including alarm verification and communication loss/recovery testing.

13. Coordinate all required system outages with the Facility Representative a minimum of 10 business days in advance. No outages impacting critical power systems shall occur without written Government approval.

14. Verify alarm functionality and confirm resolution of all communication faults.

COMPLIANCE REQUIREMENTS

All work shall comply with the following, as applicable:

• Manufacturer/OEM requirements (Cummins DMC systems)

• NFPA 70 (National Electrical Code)

• NFPA 110 – Emergency and Standby Power Systems

• OSHA 29 CFR 1910 – General Industry Standards

• Facility safety, infection control, and access requirements

CONTRACTOR QUALIFICATIONS

All work shall be performed by qualified technicians experienced in generator control systems and PLC programming. The Contractor shall have demonstrated experience with OEM-supported generator control platforms and power system commissioning.

SUBMITTAL REVIEW AND APPROVAL

The Contractor shall submit the following for review and approval prior to installation:

1. PLC equipment cut sheets and specifications.

2. Programming and configuration approach.

3. Project schedule.

REPORTING AND DOCUMENTATION

The Contractor shall provide the following deliverables:

1. PLC configuration, source code, and backup files in native OEM format on Government-approved electronic media.

2. Commissioning and functional test report documenting test procedures, results, deficiencies, and corrective actions.

3. Updated system documentation and drawings reflecting final installation, as applicable.

TESTING AND COMMISSIONING

Final testing and commissioning shall be conducted in coordination with the Facility Representative/COR.

Acceptance shall be based on successful completion of documented functional testing witnessed by the COR, verification of restored HMI/PLC communications, alarm functionality, and fault-free operation under normal conditions for a minimum continuous run period of 2 hours. Final testing and commissioning shall be conducted in coordination with the Facility Representative/COR to verify proper system operation, restored communications, and alarm functionality prior to acceptance.

QUALITY CONTROL AND SAFETY

The Contractor shall maintain a quality control program to ensure compliance with this SOW. All work shall be performed in accordance with site safety requirements. Lockout/tagout procedures shall be strictly followed.

GENERAL REQUIREMENTS

The Contractor shall provide all tools, equipment, and materials necessary to complete the work. Normal work hours shall be Monday through Friday, 8:00 AM to 5:00 PM, excluding Federal holidays, unless otherwise coordinated and approved.

PROJECT CLOSEOUT

Upon completion, the Contractor shall review system operation with facility personnel and submit all required deliverables prior to final acceptance. Final acceptance shall not occur until all documentation, backups, and test reports have been received and approved by the COR.

PERIOD OF PERFORMANCE

Award Date – JULY 31, 2026

CONTACT INFORMATION

Desmond Jones – Supervisory General Engineer – (928) 697-5192 Vernon Begay – Maintenance Mechanic Supervisor – (928) 697-5194 Kendall Tanner – Maintenance Mechanic Supervisor – (928) 697-5193

WARRANTY

Workmanship Warranty: One (1) year. Equipment Warranty: Per manufacturer’s standard warranty.

The Contractor shall guarantee proper system functionality and restored HMI/PLC communications upon final acceptance.