OBG PRESENTS: Proactive Approach to Infrastructure Renewal

Transcription

1 OBG PRESENTS: Proactive Approach to Infrastructure Renewal

2 AGENDA 1. History of Drinking Water and the MCWA 2. The Need for a Water System Renewal Program 3. MCWA s Infrastructure Renewal Evaluation 2

3 History of Drinking Water and the MCWA 3

4 1832 Cholera Outbreaks 121 persons died, 388 sickened reported deaths 4

5 The Great Fires Chicago (1871) We Are Happy Lorem Ipsum is simply dummy text of the printing and typesetting industry. Boston (1872) 5

6 Water in Rochester 1872 NYS Board of Water Commissioners Conduit I supply 58 Miles of distribution 1951 NYS Legislation creates MCWA Holley System Constructed 1904 Charlotte WTP Constructed 1959 MCWA began operation 6

7 Monroe County Water Authority Original Service Area

8 Photograph: American Society of Civil Engineers, 2017 Infrastructure Report Card. 8

9 Photograph: American Society of Civil Engineers, 2017 Infrastructure Report Card. 9

10 4 Production Facilities 44 Remote Pump Stations 49 Storage Tanks $600 Mil $150 Mil $200 Mil Complexity of MCWA s Existing Infrastructure 2 Reservoirs $25 Mil 3,330 Miles of Mains $3,500 Mil 26,300 Hydrants $6 Mil 36,000 Valves $100 Mil 185,000 Retail Customers 25,000 Wholesale Customers $80 Mil $700 Mil 10

11 Utility Service Life Assumption (years) Cast Iron Ductile Iron DC Water Water Main Service Life WSSC NYCDEP PWD NA NA Buried No Longer (South Large Utility) MCWA Source: 11

12 Water Infrastructure Renewal Rates (water mains) Utility Current Annual Renewal (miles) CDWM 90 (2.1%) 90 (2.1%) PWD 20 (0.6%) 40 (1.3%) MCWA 10 (0.2%) 34 (1.0%) DC Water 12 (0.9%) 12 (1.0%) WSSC 60 (1.1%) 55 (1.0%) NYCDEP 70 (1.0%) 70 (1.0%) Thames Water 64 (0.3%) 110 (0.6%) Future Annual Renewal (miles/year) Source: DC Water, Path to Achieve Asset Management: Peer Utilities, April

13 $250 $219 $219 $219 Budget for Water Mains Replacement Cost Replacement Cost per Decade (Millions) $200 $150 $100 $50 $39 $84 $103 $122 $142 $161 $180 $200 $ Decade 13

14 MCWA s Infrastructure Renewal Evaluation Planning Document for Next 100 Years Cost is in 2017 Dollars Budgetary Need for R&R Based on 2017 Facilities Guideline for Economic Stability 14

15 Average Life Expectancies based on: Industry standards technical papers past experience Facilities and Equipment Roofs Major Process Equipment at Production Facilities Electrical Substations and MCCs Pumping Equipment Buildings Concrete and Steel Tanks Mains Meters Life Expectancy years 40 years 50 years 50 years 100+ years 75 years 100 years 25 years 15

16 13% 2% 26% Current Renewal & Replacement Budget ( ) 46% 14% Production Pumping Storage Transmission & Distribution Mains Distribution Appurtenances 16

17 Transmission Mains 26% 13% 2% 14% 45% Production Pumping Storage Transmission & Distribution Mains Distribution Appurtenances 17

18 MCWA s Piping Network 18

19 Age of Existing Mains Length of Water Main (Miles) Majority of water mains are less than 50 years old Year Installed 19

20 Water Main Rehabilitation Program Repair / Damage Cost Repair Difficulty System Impact Customer Impact Water Quality Rating Hydraulic Rating Break Frequency Breaks Per Year per 1,000 # of Breaks # of Breaks Last 5 years Breaks / L5 Years per 1,000 # of Breaks Last 10 Years Breaks / L10 Years per 1,000 20

21 $250 $219 M $219 $219 $219 Budget for Water Mains Replacement Cost/ decade Replacement Cost per Decade (Millions) $200 $150 $100 $50 $39 M $39 $84 $103 $122 $142 $161 $180 $200 $ Decade 21

22 26% 13% 2% 14% 36,000 valves 26,300 hydrants 195,500 Services Large Meters Residential Meters Distribution Appurtenances 45% Production Pumping Storage Transmission & Distribution Mains Distribution Appurtenances $35.5 Million budget per decade for distribution appurtenances 22

23 26% 13% 2% 14% Production 45% Production Pumping Storage Transmission & Distribution Mains Distribution Appurtenances 23

24 Water Treatment Plants SCADA Equipment Roof Replacements GAC Replacements Treatment Plant Equipment Buildings Rehab/Replacement 24

25 $100 Budget for Production Facilities Estimated Cost per Decade (Millions) $90 $80 $70 $60 $50 $40 $30 $20 $10 $ Decade 25

26 26% 13% 2% 14% Equipment Replacement Tank Coating Tank Replacement Water Storage Facilities 45% Production Pumping Storage Transmission & Distribution Mains Distribution Appurtenances 26

27 49 Tanks 49 Tanks 2 Covered Reservoirs 27

28 $100 Budget for Storage Facilities Estimated Cost per Decade (Millions) $90 $80 $70 $60 $50 $40 $30 $20 $10 $0 Tank & Equipment Replacement Cost Tank Coating Costs Decade 28

29 26% 13% 2% 14% Equipment Replacement Building Replacement Roof Replacement Pumping 45% Production Pumping Storage Transmission & Distribution Mains Distribution Appurtenances 29

30 48 Pump Stations 30

31 $100 $90 Estimated Cost by Decade (Millions) $80 $70 $60 $50 $40 $30 $20 $10 $ Decade Budget for Pumping Stations 31

32 13% 2% 26% Current Renewal & Replacement Budget ( ) 46% 14% Production Pumping Storage Transmission & Distribution Mains Distribution Appurtenances 32

33 13% 16% 2% 10% Future Renewal and Replacement (100 year cycle) 59% Production Pumping Storage Transmission & Distribution Mains Distribution Appurtenances 33

34 $400 Production $350 Pumping Storage Future Renewal and Replacement R&R Increase: Next 40 Years: 1.2% per year Over 100 years: 2.1% per year iestimated Cost per Decade (Millions) $300 $250 $200 $150 $100 $50 $0 Transmission & Distribution Mains Distribution Appurtenances Decades 34

35 OBG THERE S A WAY Questions? Thank you! 35