The Provision and Support of SCADA Software

Wales & West Utilities is reviewing the current service and system with a view to potentially undertaking a competitive tender under the Procurement Act 2023. This market engagement notice has a number of different purposes; ascertain the degree of competition in the market, ensure that any potential systems could meet the functionality required and explore the level of system innovation in the market.
Core Functional Requirements
Real-time Monitoring & Data Acquisition: Continuous gathering of data from geographically distributed RTUs and PLCs to monitor pressure, temperature, flow rates, and gas composition.
Supervisory Control: Ability to remotely manage field devices, such as opening/closing valves and starting/stopping pumps.
Leak Detection and Mitigation: Specific algorithms to detect leaks, pinpoint their location, and initiate mitigation, often involving integration with 3rd-party hydraulic modeling software.
Alarm Management: Real-time alerting for threshold breaches (e.g., pressure) and abnormal operating conditions.
Historical Data Archiving & Reporting: High-performance databases for storage and retrieval of trend data, often using SQL or specialized relational databases.
Custody Transfer Tracking: Accurate tracking of gas volume transfers between parties.
Technical and System Requirements
Communication Protocols: Support for standard protocols such as Modbus RTU, Modbus TCP/IP, and IEC 60870-5-104.
High Availability & Redundancy: Redundant servers, network self-healing (e.g.,