SCADA Software

The Vendor is required to provide for the provision of a commercially available supervisory controls and data acquisition (SCADA) human-machine interface (HMI_ software package.
- HMI software must:
•    Be widely used and supported in the water/wastewater industry.
•    Provide flexible, scalable licensing based on tag counts or enterprise models.
•    Support redundant SCADA servers, development environments, client workstations, and secure historian servers.
•    Provide advanced alarm management, historian, trending, and reporting functions.
•    Support interoperability with Allen-Bradley ControlLogix and CompactLogix programmable logic controllers (PLCs), Modbus TCP/IP, and other common protocols.
•    Provide secure remote access with tiered user permissions (HMI vs. dashboard).
•    Include ongoing technical support, updates, and training.
•    Support rapid recovery from trusted backup files.
- Functional Requirements:
•    Web-based thin client access (HTML5).
•    High-performance HMI graphics with reusable objects.
•    Version control and change management tools.
•    Role-based access integrated with Microsoft® (MS) Active Directory.
•    Data export via ODBC, SQL, or REST APIs.
•    Connectivity with legacy PLCs (Modicon, AB PLC 5, AB SLC 500, Kingfisher/Ovarro).
•    Migration tools for historical data (existing historian systems and Hach WIMS).
- Remote Access:
•    Mobile access for operators (iOS/Android).
•    Secure operator and engineering access consistent with Purdue Model (Level 3.5 DMZ).
- Alarm Management:
•    Audit/logging of all alarms and operator actions, retained for ≥3 years.
•    Escalation workflows if alarms are not acknowledged.
•    Compliance logs (auto-PDF).
•    Alarm shelving and severity prioritization.
- Change Management:
•    Detailed audit trails and rollback functions.
•    Hardware authentication and MFA.
•    Annotated trends/reports for context.

- Contract Period/Term: 3 years
- Questions/Inquires Deadline: December 29, 2026