Topic:"Grid Modernization" in M12550

DESCRIPTION: Remote Terminal Units (RTUs) are deployed in substations and generating stations to allow for the exchange of telemetry and control signals to enable the effective operation of NS Power's SCADA system and power grid. The RTUs...

AI summary This project involves replacing fourteen RTUs between 2025 and 2027 as part of NS Power's Grid Modernization initiatives. The RTUs are critical for SCADA system operations and outage restoration. Retired components will be reused as spare parts to extend the life of remaining RTUs.

Title: RTU Replacements Program - Phase 6 Unit Quantity Unit Estimate То otal Estimate Cost Support Reference (FP#'s) Del- -b

AI summary The RTU Replacements Program - Phase 6 outlines the replacement of Remote Terminal Units (RTUs) as part of a larger infrastructure upgrade. The table appears to list units, quantities, and cost estimates, though specific details are missing or incomplete.

- 4 (Exhibit N-1), NS Power represents the following table: Title: RTU Replacements Projecution Year: 2025 - 2027 gram – Phas e 6 26 designs. Inflation and market price changes over the past 15 years have also 27 increased the material cos...

AI summary NS Power is replacing legacy RTUs with modern ones in Phase 6 of the RTU Replacement Program, noting increased material costs due to inflation, supply chain issues, and the impact of the pandemic. Labour cost variances are influenced by the unavailability of historical records from Phase 1 and changes in execution methodologies.

On April 5, 2023, a Request for Proposal for the Remote Terminal Unit (RTU) Supplier of Choice was issued to the following companies: REDACTED Review of C0051815 NSEB IR-5 Attachment 12 Page 3 of 4 Remote Terminal Unit (RTU) Supplier of Ch...

AI summary On April 5, 2023, a Request for Proposal (RFP) was issued for the Remote Terminal Unit (RTU) Supplier of Choice. The RFP was evaluated based on criteria such as pricing, project plan efficiency, understanding of specifications, resource capacity, and adherence to RFP requirements. NovaTech Automation was one of the companies involved in the process.

CONFIDENTIAL (Attachment Only) 1 2 The material difference in test procedures is the volume of checks executed in Phase 6. 3 From the Phase 1 site External Connection Sheets (ECS), the inferred total I/O 4 (Input/Output) point count at tim...

AI summary The text discusses the significant increase in I/O point count in Phase 6 compared to Phase 1, leading to more test instances and higher labor effort due to the increased complexity and number of signals each RTU must handle. This enhances SCADA and grid operation, supporting reliability and service quality.

15 - 17 The Project involves the systematic replacement of obsolete technology, specifically RTUs, within NSPI's power - 18 grid infrastructure at various substations and generating stations in Nova Scotia. The Project scope includes - 19...

AI summary The Project involves the replacement of 14 obsolete RTUs within NSPI's power grid infrastructure in Nova Scotia, as part of a Grid Modernization initiative. The initiative includes the installation of new RTUs, IEDs, and the collection of spare parts. The replacement is based on an asset management assessment and is targeted for completion by July 2025.

Resource Category Primary Responsibility Tasks and Deliverables Telecontrol Technologist Responsible for RTU ▪ Configure RTU communication interfaces (Ethernet, serial) communications and SCADA ▪ Set up and validate communication protocols...

AI summary The document outlines various roles and responsibilities associated with the installation, configuration, and maintenance of RTU (Remote Terminal Unit) systems within a power grid context. It details tasks for Telecontrol Technologists, RTU Technicians, Electrical Engineering Technologists, and a Drafting SME – CADD, emphasizing communication protocols, field operations, and technical documentation.

NON-CONFIDENTIAL 1 TABLE OF CONTENTS 2 3 1.0 INTRODUCTION 3 4 2.0 NS POWER RESPONSES TO MIDGARD KEY CONCLUSIONS 5 5 2.1 Project Execution and Prioritization 5 6 2.2 Process Standardization & Cost Reduction 7 7 2.3 Use of Internal Resources...

AI summary Nova Scotia Power (NS Power) submitted a revised estimate for the Remote Terminal Units (RTU) Replacements Program – Phase 6, reducing the original estimate from $5,959,915 to $5,058,726. This follows a review by Midgard Consulting Inc., engaged by the Nova Scotia Energy Board (NSEB), to assess the project's scope and estimated costs as part of the 2025 Annual Capital Expenditure (ACE) Plan.

- 1 RTU Configuration: Cannot finalize until wiring verified; may require iterative 2 adjustments. Includes database setup, logic programming, communication setup, 3 parameter configuration - 5 Point Testing: Sequential testing of each poi...

AI summary The document outlines the steps required for configuring and testing RTUs and SCADA systems, emphasizing the need for verification, sequential testing, coordination with control centers, and final validation through commissioning processes.

Request IR-11: - At Page 2 of 3 of the NSPI (NSEB) Undertaking U-6 (Exhibit N-21 of 2025 ACE Plan), NS Power states: - Also, because the installations are much broader in scope, dedicated Project Management resources are required to proper...

AI summary NS Power explains that Phase 6 RTU installations require additional Project Management resources due to a broader scope involving multiple specialized roles, which increases labor hours and enhances system resilience and operational value. The request asks for a detailed breakdown of these tasks, roles, and scope changes.

27. The associated telecommunications equipment and the connection of Intelligent Electronic Devices (IEDs), such as recloser controllers, transformer meters, and relays, are included in this project. 1. Please, for all Phase 1 RTUs: 1. Pr...

AI summary The document outlines the scope of work for RTU replacements in Phase 1 and Phase 6, including the need for IFC packages, as-built drawings, and variance summaries. It also discusses how contingency is determined for the project based on internal expertise and guidelines.

At Page 2 of 2 of the NSPI (NSUARB) IR-140 (Exhibit N-9 of 2025 ACE Plan), NS Power states: The increase in estimated labour hours for Phase 6 in comparison to Phase 1 is a direct result of evolving infrastructure complexity, changes in co...

AI summary NS Power explains that the increased labour hours for Phase 6 compared to Phase 1 are due to factors such as evolving infrastructure complexity, compliance changes, accessibility challenges, enhanced technology, and workforce constraints. These factors contribute to the higher labour effort required for Phase 6.