volume 1 - Halifax Regional Municipality

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Halifax Water Integrated Resource Plan Appendices An integrated water system network model (Integrated Network Model) was used to: • Assess current network capacity; • Identify and size required transmission main projects for future growth; and • Identify and size required transmission main projects for security of water supply. The Integrated Network Model incorporates three pre-existing network models which cover the West, East and Central operating regions of the utility serviced by the J.D. Kline WSP and the Lake Major WSP. In recognition of the potential future requirements for meeting limited demands across HRM under emergency conditions resulting from a prolonged outage at either the J.D. Kline or Lake Major WSPs, the Integrated Network Model has also been used to study the transmission main sizes required to deliver limited amounts of water from the J.D. Kline WSP to the Dartmouth distribution system or from the Lake Major WSP to the communities of Bedford and Sackville. The results of this analysis has shown that the existing and proposed water transmission mains incorporated into an integrated regional water transmission system will have the capacity to meet future average day demands through most of the urban core when one of the major water supply facilities is out of service. In fact, the only part of the system that cannot be provided with average day demand from the Lake Major WSP is the Halifax Peninsula and the west part of the system serviced from the Geizer Hill Storage Reservoirs (i.e. Spryfield, Herring Cove, Cowie Hill and BLT) due to the supply limit of the Lake Major WSP. During a protracted loss of service from the J.D. Kline WSP, these areas of the system would receive unfiltered, disinfected water from the Chain Lakes backup source. The transmission main projects are presented in Table 2.12. The Transmission Main program totals $141.8 million ($2012). It includes 8 projects that are related to growth (regional level infrastructure) as well as 16 other projects associated with asset renewal and system security. Infrastructure necessary to provide local servicing is paid for by the developer at the time of development. As well, area master infrastructure (oversized infrastructure that is required to directly support the designated master planning areas both inside and outside the development boundary and that is not considered Regional), is paid for by the developer and may be facilitated through the capital cost contribution (CCC) process. Neither local nor area master infrastructure is shown in the projected growth costs in the IRP. Revision: 2012-10-29 Integrated Resource Plan –Appendices F-29 October 31 2012 Page 208 of 272
Halifax Water Integrated Resource Plan Appendices Table 2.12 Proposed Transmission Main Projects Project Length (m) Diameter (mm) Description Project Cost $ million (2012 $) In-Service Date East Region E1 1,390 400 E2 1,540 400 Windmill Road Transmission Main Replacement - Phase 1 Windmill Road Transmission Main Replacement - Phase 2 $2.27 2022 $2.52 2022 E3 3,610 900 Port Wallace Transmission Main - Phase 1 $10.05 2016 E4 820 600 E5 1,280 400 Gaston Road Transmission Main Replacement - Phase 2 Eastern Passage Transmission Main Replacement $1.56 2027 $2.09 2027 E6 2,605 900 Port Wallace Transmission Main - Phase 2 $7.25 2027 E7 1 Burnside - Bedford Booster Pumping Station $1.00 2042 E8 5,740 750 E9 1,350 600 Burnside - Bedford Connector Transmission Main Burnside - Bedford Connector Transmission Main Extension of 600 mm Main on Glendale Dr. to HWY 102 $14.51 2037 $2.57 2017 Sub-Total East Region $43.83 Central Region C1 980 750 Bedford Connector 30" Replacement - Phase 3 $2.48 2017 C2 1,515 600 Windgate Drive Transmission Main $2.89 2027 C3 620 600 Stokil Tank Connection to Windgate Drive $1.18 2032 C4 5,470 750 Lucasville Road Transmission Main - Phase 1 (includes Beaverbank Reinforcement) $13.83 2017 C5 5,515 750 Lucasville Road Transmission Main - Phase 2 $13.94 2022 C6 1,000 600 Nordic Crescent Upgrading $1.91 2032 Sub-Total Central Region $36.22 West Region W1 1,485 1200 W2 1,620 1200 Pockwock Transmission Main Replacement Kearney Lake Road (Twin Culverts to Bluewater Road) Pockwock Transmission Main Replacement Kearney Lake Road (Bluewater Road to Ham- Kearney Connector) $5.60 2014 $6.11 2017 Revision: 2012-10-29 Integrated Resource Plan –Appendices F-30 October 31 2012 Page 209 of 272
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VOLUME 1: INTEGRATED RESOURCE PLAN
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Halifax Water - Integrated Resource
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Capital Expenditure Program All $ i
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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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