volume 1 - Halifax Regional Municipality

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Halifax Water – Integrated Resource Plan Page 7 TERMS OF REFERENCE opportunities for over-sizing of infrastructure that benefit the larger community and customer base, Halifax Water participates in cost sharing of the assets. Using growth projections and system information and forecasts, Halifax Water can plan for future growth related assets. 4.2.7 Resource Plans Development and Integration Using the various supply-side options demand-side options, a series of resource plans will be developed. These resource plans will be evaluated based on: • System safety and reliability requirements; • Robustness of the plan (i.e. the sensitivity of the plan to possible variations in the key assumptions); • Plan resilience (i.e. the degree to which the selection of a preferred plan constrains Halifax Water’s future planning options); • Future regulatory compliance outlook; • Financial capability. Planning and financial scenarios will be modeled. The detailed analysis will result in a range of resource plans that meet regulatory and other requirements and will be ranked based on the net present worth of the revenue requirements. 4.2.8 Sensitivity Analysis In completing the IRP, Halifax Water will make a variety of assumptions. Some of these assumptions may have significant uncertainty and views regarding the assumptions may differ. Consequently, Halifax Water will conduct sensitivity analyses. Least cost resource plans developed through the IRP will be evaluated for robustness by varying key assumptions across a reasonable range. 4.2.9 Final Integrated Resource Plan Report The ultimate deliverable for the IRP will be a written report filed with the UARB. The final report will include: 1. Background information and an overview of the IRP process. 2. Forecast summaries 3. Description of the supply-side and demand-side options evaluated in the IRP. 4. Description of the screening analysis employed to determine which options would proceed to more detailed analysis. 5. Identification of the plan assumptions. 6. Description of the resource plans and the associated components. 7. Results of the model analysis for the various resource plans demonstrating the least cost plan. 8. Results of the sensitivity analysis. 9. Selection of the recommended resource plan. 10. Recommended Action Plan for the next 3 fiscal years, including capital and operating G:\Engineering Dept\Common\Capital Projects - ACTIVE\Integrated Resource Plan 2011 - 6-495\Task 1.0 Terms Of Reference\IRP - Terms Of Reference V12.Docx October 31 2012 Page 144 of 272
Halifax Water – Integrated Resource Plan Page 8 TERMS OF REFERENCE costs to address supply and capacity projections, regulatory requirements, and environmental requirements. 11. Longer term recommendations over the planning horizon, including capital and operating costs. 12. Recommended data acquisition, modeling, and analysis required for future enhancements to the IRP. 4.3 Stakeholder Consultation The IRP framework and resultant plan will be the foundation for Halifax Water’s future investment decisions and the keystone for future iterations of integrated resource planning. Involvement of stakeholders will be an integral part of the process. In addition to ongoing information exchange, formal stakeholder consultations will be planned at the following stages. 4.3.1 Phase One • Purpose and process for the IRP including a review of the Terms of Reference and key uncertainties. 4.3.2 Phase Two • Model assumptions and plan considerations. • Review of resource plans. • Analysis results. • Draft IRP document review. 4.4 Confidentiality To the extent feasible, Halifax Water will present information in a fashion designed to inform and engage all stakeholders. The IRP process involves the use of confidential data concerning Halifax Water’s current and future operating environments. Components include actual operating characteristics of the assets as well as strategic initiatives Halifax Water may undertake. Certain confidential information including detailed data from the modeling software may be limited to the UARB and its consultants. Summary documents will be distributed to a broader audience. G:\Engineering Dept\Common\Capital Projects - ACTIVE\Integrated Resource Plan 2011 - 6-495\Task 1.0 Terms Of Reference\IRP - Terms Of Reference V12.Docx October 31 2012 Page 145 of 272
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Recommended Alternative Resource Pl
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Financial Model 40-4 Halifax Water
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Financial Model 40-4 2.512 (O&M) Lo
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Financial Model 40-4 1.028 Cavalier
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Financial Model 40-4 2.075 Beaver C
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Financial Model 40-4 2.848 Storage
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Summary of Capital, Operational and
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Asset Renewal Costs Halifax Water I
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Asset Renewal Costs Stormwater Asse
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Statement Concerning Halifax Water
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Statement Concerning Halifax Water
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volume 1 - Halifax Regional Municipality

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