CITY OF GREATER SUDBURY

Transcription

1 CITY OF GREATER SUDBURY WATER & WASTEWATER ASSET MANAGEMENT PLAN City Council Presentation No.4 April 11 th, 2017

2 PURPOSE WATER AND WASTEWATER ASSET MANAGEMENT PLAN Strategic document to: Guide City s Water and Wastewater infrastructure decisions Efficiently and effectively allocate resources to meet City s desired levels of service in lowest overall lifecycle costs Identify costs and benefits of infrastructure investment decisions across organization s asset portfolio Ministry of Infrastructure Building Together Guide for Asset Management Plans Bill 6, Infrastructure for Jobs and Prosperity Act,

3 ASSET MANAGEMENT PLAN ASSET MANAGEMENT PLAN Comprehensive Inventory Asset Deterioration Model System Wide Risk Analysis Model Infrastructure Social Impacts Asset Lifecycle Intervention Model Growth Planning Through Master Plan Project Prioritization Model Level of Investment vs. Risk Funding Strategy Sections State of Infrastructure Risk Assessment Levels of Services Asset Management Strategy Financial Strategy 3

4 STATE OF LOCAL INFRASTRUCTURE WASTEWATER ASSETS 13 Individual Wastewater Systems Gravity Mains: 791 km Service Connection: 381km Pressurized Main: 9.7km Service Connections: 382km Force Main: 53km Maintenance Holes: 11,726 Control Valves: 70 Drop Shafts: 21 Collection Facilities: 69 Treatment Facilities: 14 ONAPING-LEVACK DOWLING G VERMILION VERMILION VALLEY VALLEY LINEAR REPLACEMENT VALUE: $1,473 million VERTICAL REPLACEMENT VALUE: $656 million 4 CHELMSFORD AZILDA COPPER CLIFF CAPREOL SUDBURY SUDBURY FALCONBRIDG E FALCONBRIDGE GARSON CONISTON WANAPITEI

5 STATE OF LOCAL INFRASTRUCTURE WATER ASSETS 6 Individual Water Systems Watermains: 997 km Hydrants: 5,699 Valves: 8,950 Valve Chambers: 2792 Service Connections: 906 km Control Valves: 90 Water Meters: 47,940 Meter Stations: 6 Treatment Facilities: 28 ONAPING-LEVACK DOWLING VERMILION VALLEY Supply Facilities: 35 LINEAR REPLACEMENT VALUE: $2,172 million VERTICAL REPLACEMENT VALUE: $179 million 5 SUDBURY FALCONBRIDGE

6 AGE DISTRIBUTION STATE OF INFRASTRUCTURE Vertical Infrastructure Age Linear Infrastructure % 20% 10% 0% 0% 10% 20% 30% 6

7 CONDITION ASSESSMENT STATE OF INFRASTRUCTURE Asset Life Expectancies are based on Industry standards, background study, and local experience by the City s staff 0% 30% 50% 75% 95% % Expected Service Life Very Poor 7

8 REPLACEMENT VALUE VS CONDITION STATE OF INFRASTRUCTURE $513M worth of assets have reached and/or exceeded 100 %ESL $703M worth of assets are approaching end of ESL Immediate and short-term actions must be applied to these assets Excellent Good Very Poor Poor Fair System Total Replacement Value $4,479M 8 Very Poor & Poor $1,216M 27% of Assets require Immediate or Short-Term Intervention

9 MAJOR LINEAR ASSETS WATERMAINS STATE OF INFRASTRUCTURE 19% of Watermains (184.5 km) have reached end of estimated service life 15% of Watermains (75.4 km) are approaching their end of service life Immediate investment $254M 9

10 MAJOR LINEAR ASSETS SANITARY SEWERS STATE OF INFRASTRUCTURE 16% of Sanitary Sewers (127.5 km) have reached the end of service life 32% of Sanitary Sewers (260.2 km) are approaching their end of service life Immediate Investment $226M Poor Very Poor Fair Excellent Good 10

11 STATE OF INFRASTRUCTURE 25-YEAR INFRASTRUCTURE RENEWAL AND GROWTH FORECAST Growth $1,349M Total Needs: $2,510M Renewal $1,161M 11

12 LIFECYCLE INTERVENTION MODEL Total Cost ($ Millions) INFRASTRUCTURE REQUIREMENTS WITH MASTER PLAN RECOMMENDATIONS $1,000 $900 $800 $700 $600 $500 $400 $300 $200 $100 $- Lifecycle Intervention Master Plan Presented costs may change based on Master Plan team and CGS comments 12

13 STATE OF INFRASTRUCTURE CHALLENGES $ Million Average Annual Capital Budget $34.0M

14 STATE OF INFRASTRUCTURE CHALLENGES $ Million Average Annual Capital Budget $34.0M Difficult to address the current W&WW Infrastructure gap with limited budget 13

15 STATE OF INFRASTRUCTURE CHALLENGES $ Million Difficult to address the current W&WW Infrastructure gap with limited budget Risk based Capital Project Prioritization System Average Annual Capital Budget $34.0M Solution Increase Capital Budget 13

16 RISK ANALYSIS MODEL RISK ASSESSMENT Network Bottlenecks Deterioration Model High Traffic Volume Customer Railway & Stream Crossings Environment Diameter Daily Flowrate Asset Prioritization Model Likelihood Severity Importance 14

17 SUDBURY WATER SYSTEM RISK ANALYSIS Risk Likelihood RISK ASSESSMENT Severity 15

18 LIFECYCLE INTERVENTION MODEL WATERMAIN BREAK SIMULATION BASED ON INFRASTRUCTURE RENEWAL BUDGET Breaks per Year / 100KM $25M Annual Expenditure M 2029 Year 2030 $50M Annual Expenditure M

19 CONCLUSION Risk-based Asset Management Plan (AMP) report that captures relevant details, including: State of Local Infrastructure; Levels of Service (risk-based); Asset Management Strategy; and Financing Strategy. Recommendations will consider maintaining system risk at a sustainable level, with options highlighted to explain impact of increases or decreases of investment. Documentation will be in compliance with the Ministry of Infrastructure Building Together Guide, ISO Standards, and Ontario Bill 6: An Act to enact the Infrastructure for Jobs and Prosperity Act,

20 NEXT STEPS Establish short- and long-term fiscal measures and financial management strategies. Identify funding shortfalls as well as their impact and management strategies. Advance knowledge of asset condition 18

21 QUESTIONS AND DISCUSSION 19