N-1Application - CI C0080108 L5532 Replacements and Upgrades Phase 1
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DESCRIPTION: L-5532 is a 95.9 kilometer (1,128 structures) 69 kV transmission line, built in 1955, that connects the 13V Gulch Hydro, 14V Ridge Hydro, 75V South Milford, 76V Maitland, 7W Harmony, 57W Caledonia, 91W Middlefield, and 3W Big...
AI summary The L-5532 69 kV transmission line project involves replacing deteriorated assets (wood poles, insulators, etc.) on 75 structures as part of a multi-year refurbishment program. It connects multiple substations and is the first phase of NS Power's planned upgrades to this 95.9 km line, originally constructed in 1955.
The project includes: - Structure Replacements: 72 - Other Deteriorated Asset Replacements: 3
AI summary The project involves replacing 72 structures and 3 other deteriorated assets. These replacements are part of infrastructure maintenance efforts, though no further details on costs, funding, or regulatory implications are provided in the text.
Summary of Related CIs +/- 2 years: Pursuant to Section 11.2 of the CEJC, related CIs for Transmission include "work completed on the same asset class (Padmount transformers, Breakers, etc.) or in the same location (feeder, Transmission Li...
AI summary The document outlines related Capital Items (CIs) for Transmission under Section 11.2 of the CEJC, including work on Padmount transformers and Breakers. A 2028 CI (L-5532 Replacements and Upgrades Phase 2) with an undetermined cost is noted, along with depreciation classes for Transmission Plant components.
Why do this project? The NS Power transmission line inspection program including LIDAR data identified deteriorated assets on this line that require replacement to mitigate the risk of transmission interruptions. Failure to complete this p...
AI summary NS Power's transmission line inspection program, using LIDAR data, identified deteriorated assets requiring replacement to prevent transmission interruptions affecting 2,915 customers and to maintain system redundancy. Failure to act would compromise grid reliability.
Why do this project now? This work has been prioritized based on the assessed condition of the transmission line assets as determined through NS Power's transmission line inspection program results, as well as the criticality of the line t...
AI summary NS Power prioritizes this transmission line project due to asset condition assessments, system criticality, and alignment with 2024/2025 performance standards for specific feeders. The project aims to improve reliability and customer experience by addressing recurring outages caused by transmission issues. The project is deemed in-service upon partial completion (May 2026), with a Final Cost Date set six months after full completion (August 2027).
Why do this project this way? Replacing the existing deteriorated assets is the only technically feasible option to accomplish the intended scope of this project. New structures and components will be built to NS Powers's latest transmissi...
AI summary Replacing deteriorated assets with new structures adhering to NS Power's latest transmission design standards is the only technically feasible approach. This will enhance reliability and resilience against extreme weather compared to the original 1950s-era infrastructure.
Document No: XXX-XX-XXXX-XXXX Project Cost Estimate Input Checklist and Maturity Matrix Transmission Line Infrastructure Required fields: Estim ate Classifi cation Project Name: L5532 Replacements and Upgrades Phase 1 Started or Preliminar...
AI summary The document outlines a checklist and maturity matrix for estimating the cost of a transmission line infrastructure project, specifically Phase 1 of the L5532 Replacements and Upgrades. It includes various project definition deliverables and their maturity levels, such as project scope, site infrastructure, voltage, project location, codes and standards, environmental monitoring, and project planning.
Inclusion For the purposes of this document, the term power transmission line infrastructure industries is assumed to include greenfield or brownfield sites for overhead, buried and submarine transmission of electrical power in the infrast...
AI summary The document defines 'power transmission line infrastructure industries' to include greenfield and brownfield sites for overhead, buried, and submarine transmission of electrical power, excluding power generation, substations, and internal facility distribution. It references infrastructure project definitions from the Construction Industry Institute.