volume 1 - Halifax Regional Municipality

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Halifax Water Integrated Resource Plan Appendices TOR Requirement 8. IRP process will perform and document a screening analysis to determine which options are to be evaluated further in the IRP process and which can be removed from further consideration. 9. IRP process will identify all assumptions used for the IRP process including planning, forecast, and financial assumptions. IRP Reference Section 5 Detailed throughout Volumes 1 and 3 of the IRP report The development and analysis of the Integrated Resource Plans was a multi-step iterative process involving the Halifax Water technical team comprised of staff and consultants collaborating with the Tellus team. Results of plan development and analysis were presented to the Stakeholders Group at key points in the process. Figure 5.1 presented an overview of the IRP alternative resource plan development and evaluation process. Section 5.5 details the IRP variations and Sections 5.7 to 5.10 details the initial, intermediate, refined, and short-list plans, documenting which options were to be evaluated further in the IRP process (i.e. enhanced overflow control) and which were removed from further consideration (A, B, and C asset renewal changed to a composite asset renewal program). Assumptions are detailed throughout the IRP report including those for asset service life estimates which were based on best industry practice, enhanced overflow control, demand reduction, end-ofperiod analysis, and financial modelling. Asset life data and fractional values are contained in the costing procedures technical memorandum, which is presented in Volume 3 Appendix C. 10. IRP process will develop the resource plans. Sections 5 and 6 See ToR #24 above. Figure 5.1 presents an overview of the IRP alternative resource plan development and evaluation process. Through the synthesis of key inputs, twenty-eight initial resource plans were developed. These were evolved through into 18 intermediate plans and then 10 refined plans. A short list of four plans was selected from the 10 refined plans. The final recommended plan was selected from the short list, which is presented in Section 6, IRP Recommended Plan. 11. IRP process will evaluate the resource plans to determine the preferred alternative based on the least cost plan that meets the defined performance requirements and criteria. Least cost is defined as the lowest cumulative present worth of the annual revenue requirements. 12. IRP process will perform sensitivity analysis to determine the impacts of realistic variations to the input assumptions. Section 5.10 Section 6.3 The rationale for the selection of the Recommended Plan is presented in Section 5.10. The Recommended Plan analysis is presented in Section 6.3. The Recommended Plan was analysed to assess the impact of three factors: • The potential benefits of water demand reduction and I/I reduction on the Recommended Plan. • The level of asset renewal (A, B, C and composite) on end-of-period asset value. • The population growth rate (high, baseline and low) on plan requirements. Revision: 2012-10-29 Integrated Resource Plan –Appendices G-8 October 31 2012 Page 220 of 272
Halifax Water Integrated Resource Plan Appendices TOR Requirement 13. IRP process will identify an implementation and financing schedule for actions required over the next 3 years (through 2015) to meet demand projections as well as reliability, safety, capacity, regulatory, and environmental requirements. 14. IRP process will identify the longer-term implementation activities and estimated financing needs as currently known through the end of the planning horizon. 15. IRP process will file the final IRP with the UARB. IRP Reference Section 7.2 Sections 7.3 and 7.4 The 3-year expenditures from 2013 to 2015 associated with the Recommended Plan are presented in Table 7.2, IRP Recommended Expenditures 2013-2015 ($million). Table 7.3 presents the IRP expenditure plan for 2016-2022 while Section 7.3 describes the longer term recommendations for 2016 to 2022. Table 7.4 presents the IRP expenditure plan for 2023 to 2032 and 2033 to 2042 while Section 7.4 describes the longer term recommendations of these expenditure plans. Halifax Water is intending to file the IRP with the NSUARB. Revision: 2012-10-29 Integrated Resource Plan –Appendices G-9 October 31 2012 Page 221 of 272
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Page 241 and 242: Financial Model 40-4 Halifax Water
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Page 263 and 264: Asset Renewal Costs Halifax Water I
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Page 269 and 270: 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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