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Stormwater and Wastewater in Halifax Regional Municipality

Stormwater and Wastewater in Halifax Regional Municipality. Presentation to Halifax Watershed Advisory Board John Sheppard, P.Eng. Manager of Environmental Engineering Services February 16, 2005. HRM-Owned Stormwater & Wastewater Infrastructure. Wastewater: Sanitary Sewers

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Stormwater and Wastewater in Halifax Regional Municipality

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  1. Stormwater and Wastewaterin Halifax Regional Municipality Presentation to Halifax Watershed Advisory Board John Sheppard, P.Eng. Manager of Environmental Engineering Services February 16, 2005

  2. HRM-Owned Stormwater & Wastewater Infrastructure • Wastewater: Sanitary Sewers - Gravity – 1,000 km - Force Main & Pressure Sewer – 60 km Pumping Stations – 153 Holding Tanks & Regulating Chambers – 7 Treatment Plants – 13

  3. HRM-Owned Stormwater & Wastewater Infrastructure • Stormwater: - Storm and Clearwater Sewers – 700 km - Catch Basins – 17,000 - Retention Facilities – 10 • Combined: - Combined Sewers – 300 km • Manholes: 37,000

  4. Replacement Value • Wastewater Treatment Plants $120 mill • Pumping Stations $130 mill • Sewers & Related Infrastructure $750 mill • TOTAL $1 billion

  5. 25 Year Forecast • Wastewater Treatment $105 mill • Pumping Stations & Force Mains $ 30 mill • Gravity Sewers/Drainage Works $255 mill • Wet Weather Flows $100 mill • Source Control/ Water Resource Management $ 25 mil • Infrastructure Management $ 25 mill • TOTAL $540 mill

  6. Key Points re the $540 Million • Primarily Compliance-Related Capital Work • All* costs related to Stormwater & Wastewater Infrastructure owned by HRM • One Exception – Water Resource Management Program • Estimates will be refined over time

  7. Costs Included • Expansions and Upgrades • Equipment Replacement • Rehabilitation • Backup Power at WWTPs and PSs • Elimination of WWTPs and PSs • Wet Weather Flow Control • Source Control/Water Resource Management • Infrastructure Management

  8. Costs Not Included • Halifax Harbour Solutions Project • Possible Secondary Treatment for HHSP Plants • New Urban/Suburban Wastewater Treatment Beyond 25 Years • Changes in Legislation/Regulations • New Sewer Service Extensions • Wastewater Treatment for Rural Centres under Regional Planning • New/Upgraded Trunk Sewers for Regional Planning

  9. Funding Considerations • $510 million is Capital/$30 million is Operating • $20 million/year over 25 years • Past four years - $6.3 million average • 2005/06 - $4.6 million

  10. Stormwater & Wastewater Priority Rating Process Criteria in Order of Priority: 1. Legal/Liability 2. Compliance 3. Operational Efficiencies 4. Sewer Extensions to Unserviced Areas 5. Non-HRM Issues

  11. Priority Rating Process- Why Now? • Studies & Investigations – Knowledge Base • Current Funding not Sustainable • Provincial & Federal Funding – Compliance vs Private Property • Feed into HRM’s Long Term Capital Plan • Escalating Demand for New Sewers (& Water) • Flood Protection

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