Massachusetts Water Resources Authority

Transcription

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2 Massachusetts Water Resources Authority

3 Wet Fall Results in Increased Plant Flow 600 Plant Flow & Precipitation 10 MGD J A S O N D J F M A M J Total Plant Flow, MGD 10 Yr Avg Flow, MGD Total Precipitation, inches rain 10 Yr Avg Precipitation, inches rain Inches (Water Equivalent) 3

4 Higher Flow Requires More Energy Power Use, MWh 18,000 16,000 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 Total Power Use J A S O N D J F M A M J Support Primary Secondary Residuals Pumping FY19 Target FY18 Actual 4

5 CTGs Run During Storms for Reliability 6,000 Self-Generation Power Generation, MWh 1,000 2,000 3,000 4,000 5,000 0 J A S O N D J F M A M J Wind Solar Hydro CTGs STGs On-site Generation Target 5

6 Drinking Water Source Water A/cm UV 254 Reservoir Source Water Grab Data Wachusett Quabbin Dec-17 Mar-18 Jun-18 Sep-18 Dec-18 6

7 Treated Water Quality 7

8 Wastewater Structure Inspections and Maintenance 8

9 Leak Detection and Repair Leak Backlog Summary Month J A S O N D Totals Leaks Detected Leaks Repaired Backlog n/a During the 2nd Quarter of FY19, two new leaks were detected, ten leaks were repaired 9

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11 Massachusetts Water Resources Authority MWRA Fiscal Year 2020 Proposed Current Expense Budget February 20, 2019

12 FY20 Proposed CEB Rates Management Strategy Sustainable and Predictable Assessments Multi-Year Approach 12

13 Budget Drivers For Multi-Year Planning Capital Finance Expenses Existing Expenses and Revenue Inflation, Changes Long-Term Liabilities 13

14 Historical Budgeted Spending $900 $800 $700 Total Indirect Costs Total Direct Costs Total Capital Finance Costs Total Operating Costs $797.0 $ s in millions $600 $500 $400 $300 $200 $100 $- $497.6 $248.8 $

15 Defeasance Strategy $600,000,000 Before and After Defeasance $550,000,000 Debt Service Budget $500,000,000 $450,000,000 $400,000,000 $350,000,000 $300,000, Fiscal Year Before Defeasance After Defeasance 15

16 New HEEC Cable in place Dec * 2022* 2023* 2024* 2025* Projected HEEC Payments $4.4 $4.6 $5.6 $5.7 $6.0 $7.1 *includes offset of HEEC Reserve totaling $6.5 million Expense Changes - HEEC Projected HEEC Expense Net of $6.5 reserve FY19 FY20 FY21 FY22 FY23 FY24 $1.4 $4.4 $5.2 $6.3 $6.4 $6.7 Amounts in millions 16

17 Long-Term Liabilities Pension Funding Schedule FY19 FY20 FY21 FY22 FY23 FY24 $7.0 $7.3 $7.6 $8.0 $8.3 $8.7 OPEB Funding Schedule FY19 FY20 FY21 FY22 FY23 FY24 $5.6 $6.0 $6.1 $6.1 $6.2 $6.2 Amounts in millions 17

18 CEB Budget Structure Direct Expenses Indirect Expenses Capital Finance Expenses Non-Rate Revenue Rate Revenue 18

19 FY20 Proposed Current Expense Budget (CEB) FY20 Proposed Current Expense Budget Direct Expense $ % Capital Financing $ % Indirect Expense $50.7 6% 19

20 CEB Budget Highlights Direct Expenses Chemicals $12.1 5% Energy & Utilities $ % Other $ % Direct Expenses ($s in millions) Wages, Salaries, Overtime Wages, Salaries, Overtime & Fringe Benefits $ % & Fringe Benefits: Reflects collective bargaining and tunnel redundancy staff Chemicals: $1.2 M million increase Utilities: $1.3 million increase Maintenance $ % Maintenance: $.5 million increase 20

21 Chemicals Historical & Projected Chemical Cost $3.5 $3.0 $2.5 $s in millions $2.0 $1.5 $1.0 $0.5 $0.0 FY10 FY11 FY12 FY13 FY14 FY15 FY16 FY17 FY18 FY19 FY20 Proposed Sodium Hypochlorite Ferric Chloride Activated Carbon 21

22 Utilities Electricity Diesel Fuel $/kwh $/gal $0.125 $3.50 $0.120 $3.00 $0.115 $2.50 $ per kwh $0.110 $0.105 $0.100 $0.095 $/gal $2.00 $1.50 $1.00 $0.50 $0.090 FY10 FY11 FY12 FY13 FY14 FY15 FY16 FY17 FY18 FY19 FY20 Proposed $0.00 FY10 FY11 FY12 FY13 FY14 FY15 FY16 FY17 FY18 FY19 FY20 Proposed 22

23 Health Insurance Health Insurance FY11-FY20 $20 $16 $15.1 $15.2 $15.1 $15.7 $15.8 $16.5 $17.5 $18.6 $18.9 $19.0 $s in millions $12 $8 $4 $0 FY11 FY12 FY13 FY14 FY15 FY16 FY17 FY18 FY19 FY20 23

24 CEB Budget Structure Indirect Expenses Indirect Expenses ($s in millions) Retirement Funding $7.3 14% OPEB Funding $6.0 12% HEEC Payment $4.4 9% Pension Fund: 95% funded OPEB Contribution: 50% of Actuarially Determined Contribution HEEC Cable: New cable coming online in FY20 Watershed/PILOT $ % Other $3.7 7% Insurance $2.1 4% Watershed & PILOT: $0.79 million increase 24

25 CEB Budget Structure Capital Finance Expenses Subordinate Debt, $170.6 Capital Financing ($s in millions) Variable Rate Debt Assumption: 3.75%, 25 basis point increase Senior Debt, $204.7 State Revolving Fund, $93.1 Other, $29.1 Assumes $15.0 million defeasance in FY19 $1 million increase to Current Revenue for Capital $4.9 million prepayment of debt 25

26 Interest Rates MWRA All-In Cost of Variable Rate Debt 2.50% 2.00% 1.50% 1.00% 0.50% 0.00% July-10 July-11 July-12 July-13 July-14 July-15 July-16 July-17 July-18 26

27 FY20 Non-Rate Revenue Other Revenue $5.6 19% Non-Rate Revenue ($s in millions) Investment Income $ % Investment Income: Short-term assumption increasing 50 basis points from 1.75% to 2.25% Other revenue: Reduction due to demand response and RPS programs Other User Charges $9.2 30% Other User Charges: Reduction related to Entrance Fees and Water Treatment Residuals 27

28 Actual and Forecasted Rate Revenue Changes 5.0% MWRA Combined Utilities Historical and Projected Rate Revenue Changes Actual Projected 4.0% 3.0% 3.5% 3.4% 3.4% 3.3% 3.2% 3.1% 3.7% 3.6% 3.5% 3.3% 3.3% 2.0% 1.0% 0.0% FY14 FY15 FY16 FY17 FY18 FY19 FY20 FY21 FY22 FY23 FY24 28

29 Actual and Forecasted Rate Revenue Changes by Utility 9.0% 8.0% 7.0% 6.0% 7.7% MWRA Water & Sewer Utilities Historical and Projected Rate Revenue Changes Actual Projected 5.0% 4.0% 3.0% 3.7% 3.4% 3.5% 3.4% 3.5% 3.5% 3.3% 3.0% 3.1% 3.1% 3.7% 3.7% 3.6% 3.6% 3.5% 3.5% 3.9% 3.9% 2.9% 2.9% 2.0% 1.0% 0.0% 1.4% FY14 FY15 FY16 FY17 FY18 FY19 FY20 FY21 FY22 FY23 FY24 Water Utility Sewer Utility 29

30 FY20 Current Expense Budget Next Steps Transmit Proposed Budget to Advisory Board for 60 day review Public Hearing MWRA Board Hearing Staff will present Draft Final Budget in May Staff anticipate FY20 Budget adoption in June 30

31 Thank You 31

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33 Massachusetts Water Resources Authority Amendments to MWRA TRAC Regulations February 20, 2019

34 360 CMR : Sewer Use Intended to protect the public health, safety, and welfare and the environment to ensure proper and safe operation of MWRA s wastewater treatment facilities by regulating the direct and indirect discharge of wastewater and pollutants to MWRA s Sewerage System Key Proposed Revisions: Creates a Group Permit for Dental Discharges Incorporates requirements for onetime only Discharges Allows for electronic submittals Allows for permitted Reclaimed Water Systems to discharge municipal sludge to the sewer Updates Clinton local limits Updates Incentive Program Charges 34

35 360 CMR : Group Permit for Dental Discharges Incorporating Requirement from: 40 CFR Part 441 MassDEP: Amalgam and Wastewater Recycling for Dental Facilities, 310 CMR Group Permit for Dental Discharges (Category D1) Universe of new facilities: ~1,000 Place or remove amalgam, except in emergency situations BMP based requirements Requires a properly sized amalgam separator Removal efficiency of 98% Proper maintenance Can only use specific disinfectants and cleaning agents (no bleach, noncorrosive) Retain all paperwork 35

36 360 CMR and : Incentive Program Charges Increases permit and monitoring charges by 4% in FY20 Increases permit and monitoring charges by 3% in FY21 through FY24 Category 10 (Low Flow Permits) permit charge paid annually Permit charges for Construction Dewatering Permits paid when application is filed Notable Change to 360 CMR : Allows for MassDEP permitted Reclaimed Water Systems that are also permitted by the Authority and Municipality to discharge sludge resulting from the treatment of Municipal Waste into the Sewer 36

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38 Massachusetts Water Resources Authority Chelsea Creek Headworks Upgrade Contract Change Order 26 February 20, 2019

39 Chelsea Creek Headworks: Screenings Ejection System 39

40 Chelsea Creek Headworks: Pipe Routing & Access Space 40

41 Chelsea Creek Headworks: Pneumatic Ejection Piping Outdoor Dumpsters (existing) Screen Pod 2 Inside Dumpsters (future) Screen Pod 1 Grit Pods 1 & 2 41

42 Chelsea Creek Headworks: Pipe Spools and Fittings 42

43 Chelsea Creek Headworks: Ceramic Composite Lining 43

44 Chelsea Creek Headworks: Engineered Pipe Supports 44

45 Chelsea Creek Headworks: Base Elbow Support 45

46 Chelsea Creek Headworks: Channel 1 Influent Sluice Gate 46

47 Chelsea Creek Headworks: Channel 1 Shaft Lining 47

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49 Massachusetts Water Resources Authority Alewife Brook Pump Station Rehabilitation Contract 7034, Amendment 6 February 20, 2018

50 Alewife Brook Pump Station 50

51 New Pumps 51

52 New Electrical Equipment and Pump Motors 52

53 New Screens 53

54 New Boilers 54

55 New Standby Generator 55

56 Replacement Segment of Alewife Brook Conduit 56

57 Bypass Pumping to be Removed 57

58 Proposed Amendment 6 Additional Time Extension of 93 days to align with construction contract Out of Scope Services Resident Engineering and Project Administration $35, Review of Additional Contractor Submittals $32, Change Pump Strategy and PLC Programming $26, $94,

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60 Massachusetts Water Resources Authority Dam Safety Compliance and Consulting Services Design Repairs and ESDC Contract 7614 February 20, 2019

61 MWRA Dam Maintenance Program Excellent compliance record >$22 million invested Regular inspections Correct deficiencies Improve operations Enhance safety and longevity 61

62 Sudbury Dam Spillway Downstream face masonry repointing and repairs Diver inspection of upstream face Sudbury Gatehouse vent pipe repair Failed vent pipe = excess entrained air causing damage and burping Missing mortar Extent of mortar deterioration Clogged weep hole 62

63 North Dike Reconnection at Leominster Pump Station Potential for wave overtopping during design flood Design repair contract to restore dike 63

64 Foss Dam Overtopping Protection Analysis shows minimal freeboard during design flood (0.3 ) Require overtopping protection due to wave run-up Designing of armoring repairs for steep section of dam to withstand overtopping

65 Foss Dam Overtopping Protection on earthen dam Example of overtopping of earthen dam, Forest Lake, Columbia, S.C., on Oct. 4, 2015 Steep section of Foss Dam Example of armoring turf protection 65

66 Piezometers at Wachusett North and South Dikes Piezometers required to assess seepage and evaluate stability of the dam * Wachusett Reservoir North Dike from above *North Dike looking west 66

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68 Massachusetts Water Resources Authority Chestnut Hill Emergency Pump Station Improvements Design and Engineering Services During Construction February 20, 2019

69 Chestnut Hill Emergency Pump Station - Location 69

70 Chestnut Hill Emergency Pump Station - Operation new isolation valves 70

71 Chestnut Hill Emergency Pump Station - Improvements Interim improvements until tunnel redundancy is complete Mitigate discharge and surge pressure in the event the Dorchester Tunnel needs to be taken out of service (replacement of surge control valves) Design of docking station for portable generator Design of isolation valves between station and tunnel 71

72 Chestnut Hill Emergency Pump Station - Improvements 72

73 Chestnut Hill Emergency Pump Station Procurement Process Proposals Opened on December 20, 2018: Proposers Amount Hazen and Sawyer, P.C. $2,074, Engineer s Estimate $2,960, Stantec Consulting Services Inc. $2,997, Notice To Proceed: February 2019 Contract Duration: 66 months 73

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