Report on Feasibility Assessment and Proposed Consolidation - PowerPoint PPT Presentation

Report on Feasibility Assessment and Proposed Consolidation Agreement Maumelle Water Management September 22, 2015

Combined Average Utility Bill for 2015-2020 5/8” Meter with 4,400 Gallons 100 90 Monthly Utility Bill in $ 80 70 60 50 40 Sep-15 2016 2017 2018 2019 2020 Future Established Rates MWM Option 1 MWM Option 2

MWM’s Water System • approximately 10,500 metered service connections • 613,507 linear feet of water mains • 2 water storage tanks • 675 fire hydrants • 13 supply wells, • 2 pump stations • 1 water treatment plant • 2.78 MGD average • 6.68 MGD peak • 2.4 – peaking factor • 7.8 MGD Well Capacity • 6.84 MGD Treatment Capacity

MWM’s Wastewater System • approximately 7,500 service connections • 621,000 linear feet of collection mains • 3,100 manholes • 25 pump stations • 1 wastewater treatment plant • 2.08 MGD average • 2.80 MGD max • 3.50 MGD Permitted Treatment Capacity

Feasibility Assessment Water PER Projects without Consolidation Project Description Estimated Cost Manitou Booster Pump Station $500,000 $1,200,000 Ground Storage Tank #1 & #2 Maintenance $3,000,000 New 2.5 MG Storage Tank Flushing System $150,000 Water Transmission Improvements $5,500,000 WTP Residual Handling $1,000,000 New Wells (4) $800,000 Emergency Generators & Platforms for 5 Wells $425,000 Expansion of WTP to 12 MGD $22,250,000 $888,000 Meter Replacement Permanent Chlorine Dioxide Feed System $25,000 Entergy Power Distribution in Well Field TBD Future Improvements Required for Water Quality TBD Total Estimated Cost $35,738,000

Feasibility Assessment Wastewater PER Projects without Consolidation Project Description Estimated Cost Sewer Rehabilitation $2,370,000 $10,000,000 WWTP Expansion Mechanical Bar Screen $750,000 Aeration Improvements $600,000 WWTP Blower $100,000 Rehabilitate Secondary Clarifier $50,000 Sludge Dewatering Container $150,000 Disinfection System $200,000 Effluent Pump Station $500,000 $2,000,000 WTP Residuals Disposal Total Estimated Cost $16,720,000

System Comparisons CAW’s Water System MWM’s Water System • • Over 125,000 metered service Approximately 10,500 metered service connections connections • • 12,144,000 linear feet of water mains 613,507 linear feet of water mains • • 27 water storage tanks 2 water storage tanks • • 14,870 fire hydrants 675 fire hydrants • • 2 water supply lakes 13 supply wells, • • 26 pump stations 2 pump stations • • 2 water treatment plants 1 water treatment plant • • 62 MGD average 2.78 MGD average • • 126 MGD peak 6.68 MGD peak • 2.06 – peaking factor • 2.4 – peaking factor • • 121 MGD Lake Capacity 7.8 MGD Well Capacity • • 153 MGD Treatment Capacity 6.84 MGD Treatment Capacity

CAW Service Territory

Feasibility Assessment Water PER Projects with CAW Consolidation Budget Project Description Implementation Estimate Manitou Booster Pump Station $500,000 12 months Ground Storage Tank #1 & #2 Maintenance $1,200,000 8 months Flushing System $150,000 6 months Distribution System Improvements $71,000 6 months 30” CAW Transmission Main $8,320,000 24 months New High Service Pump at Jack Wilson $375,000 8 months Meter Replacement $888,000 48 months Permanent Chlorine Dioxide Feed System $25,000 12 months Total Budget $11,529,000 24 Months

Feasibility Assessment Water Consolidation Connection Location

CAW Transmission System

CAW Distribution System

CAW Water Sources

Feasibility Assessment Water PER Projects with CAW Consolidation Budget Description Source of Funds Estimate Transition Intermediate Long Term Debt Costs Debt Manitou Booster Pump Station X $500,000 Ground Storage Tank #1 & #2 X $1,200,000 Maintenance Flushing System $150,000 X Distribution System Improvements X $71,000 30” CAW Transmission Main X $8,320,000 New High Service Pump at Jack X $375,000 Wilson Meter Replacement X $888,000 Chlorine Dioxide Feed System $25,000 X

Feasibility Assessment CAW Consolidation - Other Transition Costs Estimated Cost Description Costs Decommissioning of Existing Water Plant & Wells $300,000 Information Services Transition $50,000 GIS Mapping $360,000 Property Transfers $2,500 Increased Payroll/Benefits during first 2 years $400,000 Billing Modifications to enQuesta $135,000 Immediate Transition Costs (rolling stock, computers, telephone system, rebranding, outfitting employees) $150,000 Connect to CAW SCADA $50,000 Banking Transition $15,000 Health Insurance Transition Costs TBD

Feasibility Assessment Wastewater PER Projects with NLRWW Consolidation Project Description Estimated Cost Sewer Rehabilitation $2,370,000 Mechanical Bar Screen $750,000 Aeration Improvements $600,000 WWTP Blower $100,000 Rehabilitate Secondary Clarifier $50,000 Sludge Dewatering Container $150,000 Disinfection System $200,000 Effluent Pump Station $500,000 $2,000,000 WTP Residuals Disposal Total Estimated Cost $6,720,000

Monthly Surcharge Comparison 2014 – 2047 5/8” Meter 20 18 16 Monthly Surcharge in $ 14 12 10 8 6 4 2 0 Existing MWM Combined Option 1 MWM Combined Option 2

MWM Existing Debt Schedule Debt Issue Total ASWCC #1 $3,331,531.97 ASWCC #2 $1,035,358.57 2002 Lease Purchase $2,047,492.58 Series 2005 $3,017,404.36 Series 2008 $1,859,928.30 Total $11,291,715.78

MWM Existing Debt Schedule Debt Issue Total ASWCC #1 $3,331,531.97 ASWCC #2 $1,035,358.57 2002 Lease Purchase $2,047,492.58 Series 2005 $3,017,404.36 Series 2008 $1,859,928.30 Total $11,291,715.78 ASWCC #1 Clarifier Aerator Water Filters (4) 2.4 MG Storage Tank 3 Wells (6, 7, & 8) SCADA

MWM Existing Debt Schedule Debt Issue Total ASWCC #1 $3,331,531.97 ASWCC #2 $1,035,358.57 2002 Lease Purchase $2,047,492.58 Series 2005 $3,017,404.36 Series 2008 $1,859,928.30 Total $11,291,715.78 ASWCC #2 Water Plant Imp. 2 Wells (9 & 10) Waste lime pond Lift Station 4 Imp. Raw Water Booster Pump

MWM Existing Debt Schedule Debt Issue Total ASWCC #1 $3,331,531.97 ASWCC #2 $1,035,358.57 2002 Lease Purchase $2,047,492.58 Series 2005 $3,017,404.36 Series 2008 $1,859,928.30 Total $11,291,715.78 2002 Lease Purchase Surge Basin Imp. Surge Basin Lift Station Levee Improvements Well Field Generators Office Building Water Meters

MWM Existing Debt Schedule Debt Issue Total ASWCC #1 $3,331,531.97 ASWCC #2 $1,035,358.57 2002 Lease Purchase $2,047,492.58 Series 2005 $3,017,404.36 Series 2008 $1,859,928.30 Total $11,291,715.78 Series 2005 Bonds - Wastewater Improvements: Clarifier Yard piping & pumping improvements Lift Station #2 rehab Chlorination facility Dechlorination facility SCADA/Telemetry Equipment storage building Outfall line (discharge to river) Lift Station #4 rehab Engineering costs

MWM Existing Debt Schedule Debt Issue Total ASWCC #1 $3,331,531.97 ASWCC #2 $1,035,358.57 2002 Lease Purchase $2,047,492.58 Series 2005 $3,017,404.36 Series 2008 $1,859,928.30 Total $11,291,715.78 Series 2005 Bonds - Water Improvements Well field fencing Aerator SCADA/Telemetry rehab Filter 1 through 4 backwash valve Lime Silo Well #11 Filter 1 through 4 rehab Existing clarifier demolition New clarifier Yard Piping Equipment building Chemical Feeders

MWM Existing Debt Schedule Debt Issue Total ASWCC #1 $3,331,531.97 ASWCC #2 $1,035,358.57 2002 Lease Purchase $2,047,492.58 Series 2005 $3,017,404.36 Series 2008 $1,859,928.30 Total $11,291,715.78 Series 2008 Bonds Complete 2005 Projects Water Plant Elec. Rehab Wastewater Lift Station Rehab Water Plant Emergency Generator Wastewater Sludge Drying Container

MWM Existing Debt Schedule Allocated to Allocated to Debt Issue Total Water Wastewater ASWCC #1 $3,331,531.97 $3,331,531.97 ASWCC #2 $1,035,358.57 $1,035,358.57 2002 Lease $2,047,492.58 $1,740,368.69 $307,123.89 Purchase Series 2005 $3,017,404.36 $1,418,180.05 $1,599,224.31 Series 2008 $1,859,928.30 $1,320,549.09 $539,379.21 Totals $11,291,715.78 $8,845,988.37 $2,445,727.41

Monthly Surcharge Comparison 2014 – 2047 5/8” Meter 20 18 Option 1 Debt Existing $11,291,715.78 16 Monthly Surcharge in $ + Proposed $15,625,000.00 14 TOTAL $26,916,715.78 12 10 8 6 4 2 0 Existing MWM Combined Option 1 MWM Combined Option 2

Monthly Surcharge Comparison 2014 – 2047 5/8” Meter 20 18 16 Monthly Surcharge in $ 14 12 10 8 Option 2 Debt 6 Existing $11,291,715.78 + Proposed $10,150,000.00 4 TOTAL $21,441,715.78 2 0 Existing MWM Combined Option 1 MWM Combined Option 2

Monthly Surcharge Comparison 2014 – 2047 5/8” Meter 20 CAW Consolidation Debt 18 $8,845,988.37 Existing MWM Water 16 Monthly Surcharge in $ + 2-year Transition $1,637,500.00 + 10-year Intermediate $2,088,000.00 14 + 30-year Long-Term $9,117,128.40 12 TOTAL $21,688,616.77 10 8 6 4 2 0 MWM Wastewater Only CAW Water NLR Wastewater

Monthly Surcharge Comparison 2014 – 2047 5/8” Meter 20 18 16 Monthly Surcharge in $ 14 12 MWM Wastewater Only Debt Existing MWM Wastewater $2,445,727.41 10 + New MWM Wastewater $4,720,000.00 8 TOTAL $7,165,727.41 6 4 2 0 MWM Wastewater Only CAW Water NLR Wastewater