volume 1 - Halifax Regional Municipality

Halifax Water Integrated Resource Plan
Recommended IRP and Analysis
analysis undertaken by Halifax Water for developing a deep storm sewer installation
program and the current stormwater inflow reduction (SIR) program in place to address
private side contributions to the system. The pilot program will inform the development
of an I/I program for inclusion and funding in later years.
6.3.3 End-of-Period Value
End-of-period (EOP) value analysis records the change in the value of all assets (water,
wastewater and stormwater) over the course of the thirty-year planning horizon. It can
be indicative of over and underinvestment in assets over the planning period
particularly through the asset renewal program. Figure 6.7 presents an overview of the
analysis methodology used to determine EOP in the IRP.
Figure 6.7
End-Of-Period Value Analysis
The major assumptions of the end-of-period value analysis were as follows:
• The starting value of the assets was determined from their replacement value, age
profile (i.e. year of installation), and nominal service life. Straight-line depreciation
was then used to estimate the current asset value. Volume 3 Appendix C presents
details of the costing and service life while Volume 3 Appendix E presents the details
of end-of-period value analysis.
• The 30-year asset renewal analysis was carried out as described in Volume 3
Appendix E. The analysis was carried out for four cases: A, B, C and composite levels
and includes the renewal of assets added through the IRP capital program over the
30-year period.
• The capital expenditures over the 30-year period were based on the Recommended
IRP.
• Straight-line depreciation was used throughout.
Revision: 2012-10-29 Integrated Resource Plan 85
October 31 2012 Page 118 of 272