B-1-(i)Appendix 1 - HSV-2024-043-CA01 Condition assessment - Factorydale
6 passages
SECTION 6 – COSTED OPTION ANALYSIS During the definition of the scope of work for this project, we identified three major phases and three paths that the project could follow. Figure 59: Project phases and options
AI summary The project scope definition identified three major phases and three potential paths for implementation, as illustrated in Figure 59. The analysis focuses on evaluating these options to inform decision-making.
6.1.2 Civil decommissioning cost estimate Determining these costs was quite an interesting challenge, because it is not something that is common practice to do. Big contractors require a lot of information that is not readily available for...
AI summary Estimating civil decommissioning costs proved challenging due to limited data availability. An AI-driven approach by Singularity Process Engineering, querying databases like RSMeans and EPA, enabled volume-based cost calculations for dam decommissioning. Results will be detailed in the analysis of Option C.
6.3 Summary - costed option analysis Option to analyze Capacity (kW) Electricity (kWh) Initial costs CAD Electricity export revenue CAD O&M costs (savings) CAD Simple payback YEARS Like for Like - 3.39 m3/s (70%) - NORCAN 416 2,647,384 $2,...
AI summary The costed option analysis compares various hydroelectric options, with new units showing the most attractive potential. Preliminary numbers suggest that new units, particularly the 3.39 m3/s (70%) DIVE option, could be viable, especially with government loan and grant support.
Option 1 – Refurbish Existing Barber Turbine Supply new parts and assembly as follows: runner, wicket gates, curb plate, head cover, shaft, thrust bearing, guide bearing. Sandblast the turbine housing and epoxy coat it. Removal and reinsta...
AI summary Option 1 involves refurbishing the Barber Turbine with new parts, sandblasting, and epoxy coating, costing $750,000 USD. Payment terms are staged (15%, 25%, 25%, etc.), with delivery taking 10-12 months. Additional costs of $10,000 for freight and $20,000 for startup/commissioning are recommended.
OBJECTIVES Material Volume of Dam, V_dam m3 Material Removal Cost, C_removal CAD Environmental Remediation Cost, C_env CAD Engineering and Project Management Cost, CAD C_eng Contingency Cost, C_cont CAD Total Cost, C_total CAD INPUTS AND A...
AI summary The document outlines the calculation of costs associated with dam decommissioning, including material removal, environmental remediation, engineering and project management, and contingency costs. Inputs and assumptions are provided, along with references to data sources and standards.
U.S. Environmental Protection Agency. (2000). A Guide to Developing and Documenting Cost Estimates During the Feasibility Study, Chapter 3, Project Management Institute. (2021). PMBOK® Guide – Seventh Edition, Chapter 11. PMI. Available at...
AI summary The document text includes references to various publications and resources related to cost estimation, project management, and infrastructure reporting. It also contains an appendix titled 'Risk Assessment' and several images, though the content of the images is not described in the text.
B-1-(ii)Appendix 2 - HSV-2024-043-CA02 Additional Costed Option Scenarios - Factorydale
6 passages
ADITIONAL COSTED OPTION ANALYSIS SCENARIOS: Factorydale Turbine Project – Berwick Electric Commission
AI summary The document introduces the Factorydale Turbine Project under the Berwick Electric Commission as part of additional costed option analysis scenarios. The project is being evaluated within a regulatory proceeding, focusing on potential costs and implications.
SECTION 2 – COSTED OPTION ANALYSIS On the condition assessment and costed option analysis report we already described the methodology used. On this case, we will discuss the results on each scenario.
AI summary Section 2 presents results from a costed option analysis, building on a previously described methodology. The text indicates a focus on evaluating outcomes across different scenarios, though specific findings are not detailed in the provided excerpt.
Table 1: NORCAN unit – results on the three different scenarios of water flow Capacity kW Electricity KWh Initial costs $ Electricity export revenue $ Fuel cost $ O&M costs (savings) $ Simple payback Yr Factorydale - Beaverbank Ext -NEW -...
AI summary The table presents results for three different water flow scenarios at the NORCAN unit, showing variations in capacity, initial costs, fuel costs, and simple payback periods. The scenarios are based on similar flow duration curves, and the results show minimal differences between the Beaverbank and Cornwallis stations.
2.2 Summary – Additional Costed Option Analysis – New units We ran all the models one by one, added the costs of the draft tube and the transformer ($1,000,000 in total), and here is the summary of the results:
AI summary A summary of the results from running models with additional costs for the draft tube and transformer, totaling $1,000,000, is provided.
Table 4: Summary of costs, revenue, ROI and ROE for new units Option to analyze Capacity (kW) Electricity (kWh) Initial costs CAD Electricity export revenue CAD O&M costs (savings) CAD Simple payback YEARS Equity Payback YEARS Factorydale...
AI summary Table 4 presents a summary of costs, revenue, ROI, and ROE for various new unit options, including different capacity levels, electricity generation, initial costs, revenue from electricity exports, O&M costs, and payback periods for different projects like NORCAN, CANYON, and DIVE.
Table 5: Summary of costs, revenue, ROI and ROE for like for like replacement Option to analyze Capacity (kW) Electricity (kWh) Initial costs CAD Electricity export revenue CAD O&M costs (savings) CAD Simple payback YEARS Equity Payback YE...
AI summary Table 5 presents a summary of costs, revenue, ROI, and ROE for like-for-like replacements of various projects, including the CANYON and NORCAN projects, under different capacity and electricity scenarios. The table includes data on initial costs, electricity export revenue, O&M costs, and payback periods for multiple options.
B-1-(iii)Appendix 3 - HSV-2024-043-SREP02 Feasibility Study
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Option to analyze Capacity (kW) Electricity (kWh) Initial costs (CAD) Electricity export revenue (CAD) O&M costs (savings) (CAD) Simple payback (YEARS) Equity Payback (YEARS) Factorydale - Beaverbank Ext - NEW - 3.39 m3/s (10%) - NORCAN 1,...
AI summary The table presents three options for the Factorydale Beaverbank Ext project with varying capacities and associated costs, revenues, and payback periods. Each option has the same initial cost but differs in electricity generation, export revenue, and operational savings, leading to different payback times.
Option to analyze Capacity (kW) Electricity (kWh) Initial costs (CAD) Electricity export revenue (CAD) O&M costs (savings) (CAD) Simple payback (YEARS) Equity Payback (YEARS) Factorydale - Cornwallis Ext - NEW - 3.39 m3/s (10%) - NORCAN 1,...
AI summary The table presents various options for a hydroelectric project, including capacity, electricity production, initial costs, revenue from electricity export, operational and maintenance cost savings, and payback periods. Different configurations and locations are compared, highlighting varying levels of capacity utilization and associated financial metrics.
Key Risks Probability Impact Risk Mitigation Strategies Inaccurate initial schedules Medium High Thorough schedule validation, include contingencies, regular progress reviews. Delays in regulatory approvals Medium Medium Early engagement w...
AI summary The document outlines key risks associated with a project, including inaccurate schedules, regulatory delays, scope changes, cost escalations, and supply chain disruptions. Mitigation strategies include schedule validation, early regulatory engagement, fixed-price contracts, and cybersecurity protocols. Safety and natural disaster risks are also addressed with specific plans and insurance.
B-3TOB (NSEB) RIR 1 to 42 - Redacted
6 passages
Interrogatory: Question(s): On page 3 of the Application, in the table with project costs: - (a) Provide an updated table that includes the total cost and a line item for the net tax that BEC will have to pay. - (b) Provide a cost estimate...
AI summary The interrogatory requests detailed cost breakdowns and explanations for various project costs associated with BEC's application, including tax, installation, spares, contingency, interest during construction, funding, audits, and environmental reports.
Response: The estimated annual O&M value for the new infrastructure is approximately $58,852 per year. This value is the annual O&M cost/savings input used in the RETScreen financial analysis for the selected conservative 650 kW refurbishm...
AI summary The estimated annual O&M cost for the new hydroelectric infrastructure is $58,852, reflecting a 22% reduction compared to a pre-incident proxy of $75,356. This lower cost is attributed to modern equipment and improved maintenance capabilities. The figure comes from a feasibility study and RETScreen model.
Response: The O&M cost/savings value used for the like-for-like replacement is $75,356 per year. This value was applied consistently to the like-for-like replacement scenarios in the Condition Assessment and Costed Option Analysis and in t...
AI summary The O&M cost/savings value of $75,356 per year is used for like-for-like replacement scenarios in the Condition Assessment and Costed Option Analysis. This value represents the annual O&M burden or savings for returning the existing plant to service, and is consistent across different scenarios.
Nova Scotia Energy Board Staff Interrogatory IR-17 Interrogatory: Question(s): Explain whether, if government funding is denied, a new unit still presents the most attractive option compared to the like-for-like replacement and if so, why?...
AI summary The response to the interrogatory indicates that replacing the unit is the most economically and operationally viable option, even if government funding is denied, due to the high cost and low reliability of repairing the existing unit. Supporting documents are referenced for further details.
Interrogatory: Question(s): On page 90 of Condition Assessment, 6.2.1 Option A – Like for Like Replacement, states that "we will assume that 70% of the time, the flow of 3.39 m3/s (120 cfs) is available," but page 12 of the Additional Cost...
AI summary The interrogatory questions the discrepancy between the flow assumptions used in evaluating the like-for-like replacement and the proposed refurbishment, and requests an evaluation of the like-for-like replacement using the same pessimistic-to-realistic scenario as the refurbishment.
Question(s): On page 35 of Feasibility Study, financing from the green municipal fund is assumed to be 80% of the total capital cost; 15% of that financing portion as a grant; and an interest rate of 4.95%. (a) Explain how the interest rat...
AI summary The 4.95% interest rate used in the Feasibility Study for GMF financing was a conservative preliminary estimate. It was later refined to 1.62% based on GMF funding guidance, which uses the Government of Canada bond rate for an equivalent term, less 2%. Both rates are subject to change and depend on final GMF approval.
102167NSEB (BEC) IR-1 to IR-42
8 passages
Request IR-5: - On page 3 of the Application, in the table with project costs: - (a) Provide an updated table that includes the total cost and a line item for the net tax that BEC will have to pay. - (b) Provide a cost estimate/detailed br...
AI summary Request IR-5 seeks detailed cost breakdowns for BEC's project, including tax, installation, spares, decommissioning, contingency rates, interest during construction, GMF funding, audits, environmental reports, engineering consulting, payroll, and additional studies. Questions focus on cost justification, methodology, and inclusion of specific expenses.
Request IR-6: (a) On page 3 of the application, how do the amounts of the application relate to the costs in 6.3 Summary – costed option analysis, on page 115 of the condition assessment and costed options analysis (September 20, 2024), an...
AI summary Request IR-6 asks two questions: (a) how application amounts relate to costed option analyses in specific documents, and (b) to develop a like-for-like cost estimate aligned with the capital work order application's cost estimation methodology.
Request IR-9: Paragraph 9-10 say that the project has been split into four separate RFPs for (1) the main electromechanical contact, (2) demobilization, (3) transformer upgrade and (4) trash rack, and that the RFPs have been released, prop...
AI summary Request IR-9 seeks a breakdown of cost estimates from page 3 into four RFPs: main electromechanical contact, demobilization, transformer upgrade, and trash rack. It notes that RFPs have been released, proposals received, and BEC is notifying successful proponents. The request asks for original estimates and actual bids for each component.
Request IR-13: - How were the amounts for O&M costs (savings) shown on the RETScreen financial analysis - determined for each of the options in the condition assessment and costed option analysis - (September 30, 2024), and the additional...
AI summary Request IR-13 inquires about the methodology used to determine operating and maintenance (O&M) cost savings in the RETScreen financial analysis for condition assessments and costed option analyses dated September 30, 2024, and additional scenarios from October 11, 2024.
Request IR-17: - Explain whether, if government funding is denied, a new unit still presents the most attractive - option compared to the like-for-like replacement and if so, why?
AI summary The request asks whether a new unit remains the most attractive option compared to a like-for-like replacement if government funding is denied, seeking an explanation for the comparison's outcome.
Request IR-27: On page 93 of Condition Assessment, in referring to the like-for-like replacement, it states, "There is no government aid on these scenarios, because we are not increasing the output." What is the - least amount of output in...
AI summary The document contains six regulatory requests (IR-27 to IR-32) seeking clarifications on government aid thresholds, O&M cost calculations, financial analyses under different debt rates, evaluation scenarios for replacement options, freshet season timing, and equipment differences between refurbishment and like-for-like replacement options.
Request IR-33: - On page 115 of the Condition Assessment and Costed Option Analysis (September 20, 2024) - and page 22 of the Additional Costed Option Analysis Scenarios (October 11, 2024), explain why - the cost of the 1013 kW unit is les...
AI summary The request asks why the 1013 kW unit is less costly than the 750 kW unit, referencing specific pages from two analysis documents dated September 20 and October 11, 2024.
Request IR-41: On page 38 of Feasibility Study, it states: Having said that, we are going to be even more conservative. We think that a unit on the lower end of the power output range, a 650 kW machine, will be closer to the final design a...
AI summary The text discusses a conservative estimate of 650 kW for a power unit, citing the inclusion of ancillary systems (transformer, draft tube, trash rack) and contingency in financial models. The question seeks clarification on the rationale for this conservative approach.