Loading...
The URL can be used to link to this page
Your browser does not support the video tag.
Woodburn - Water Master Plan - City Council 4-9-2018 Final
April 9, 2018 City Council Meeting Presented by: Brian Ginter, PE Murraysmith 2 ▪Required by the State of Oregon ▪Identify short-and long-term needs –Capital improvements –Staffing levels –Policy updates –Financial strategy ▪Improve level of service to customers –Economic development support –Redundancy –Identify developer standards for system expansion ▪Develop short-and long-term roadmap for system improvements 3 ▪Describe existing facilities ▪Establish water need (demand) –Existing –20-year growth horizon ▪Establish water service goals (performance criteria) ▪Identify deficiencies and develop solutions ▪Describe financing options ▪Rate Study and System Development Charges 4 5 Pressure Zone 1 6 7 Residential, 61% Commercial <= 1", 8% Commercial >1", 24% Industrial, 1% Sprinkler, 6% Current Annual Water Consumption by Customer Type 8 Year Forecast Population ADD (mgd)MDD (mgd)PHD (mgd) 2017 26,211 2.4 4.6 9.2 2022 28,262 2.6 4.9 9.8 2027 30,513 2.8 5.3 10.6 2037 35,025 3.2 6.1 12.2 Buildout 3.8 7.2 14.4 9 ▪Three components: –Source •Existing water supply wells –Treatment •3 WTPs –Removal of iron and manganese and chloramination –Storage and Pumping •Ground level reservoir •Booster pump station •Elevated storage reservoir 10 Well 9 Well 10 Well 11 Well 12 Well 13 Well 14 0 500 1000 1500 2000 2500 3000 3500 4000 4500 Well Annual Capacity Loss (gpm) Rehab Year(s) Est. Operational Capacity (gpm) 2017 2022 2027 2037 9 9 2018 650 605 560 470 10 3 -900 885 870 840 11 13 2018 & 2034 650 585 520 390 12 25 -650 0 0 0 13 14 2019, 2027, 2036 400 330 260 120 14 31 2018 & 2028 1,000 845 690 380 TOTAL WELL CAPACITY 4,250 3,250 2,900 2,200 MAX DAY DEMAND 3,132 3,375 3,646 4,187 Additional Capacity Need -125 746 1,987 11 Water Treatment Plant Treatment Capacity (mgd) Well Nos. Well Capacity (mgd)WTP Capacity Deficit (mgd)2017 2022 2027 2037 Parr Road 2.9 12 & 13 1.5 0.7 0.8 0.8 - National Way 2.7 10 & 14 2.7 2.9 2.7 2.6 0.2 Country Club 2.7 9 & 11 1.9 2.5 2.3 2.3 - TOTAL 8.3 6.1 6.1 5.8 5.7 - 12 Year Required Storage Capacity (MG) Existing (MG) Additional Storage Need OperationalEqualizationFireEmergencyTotal2017 0.44 1.1 0.54 1.7 3.78 5.65 - 2022 0.44 1.2 0.54 1.8 3.98 5.65 - 2027 0.44 1.3 0.54 2.0 4.28 5.65 - 2037 0.44 1.5 0.54 2.2 4.68 5.65 - Storage Capacity Summary Year Existing Total Capacity (gpm) Required Capacity (PHD+FF) Additional Pumping Need (gpm) 2017 9,238 9,264 26 2022 9,238 9,750 512 2027 9,238 10,292 1,054 2037 9,238 11,368 2,130 Pumping Capacity Summary 13 14 ▪Water System Analysis Key Findings: –Ongoing well rehabilitation and new source development –Future expanded pumping capacity at Parr Road –Distribution piping improvements: •Fire flow •System Expansion •Renewal & Replacement –Studies and Analysis •Water Rights •Seismic Resilience 15 Improvement Category CIP No.Project Description CIP Schedule and Project Cost Summary Preliminary Cost % to Growth18-19 19-20 20-21 21-22 22-23 TOTAL Miscellaneous -Water Master Plan $ 30,000 $ 30,000 25% Subtotal $ 30,000 $ -$ -$ -$ -$ 30,000 $ 7,500 Water Supply W-1 Well rehabilitation $ 30,000 $ 30,000 $ 30,000 $ 30,000 $ 30,000 $ 150,000 25% W-2 New Wells $ 1,300,000 $ 1,300,000 100% W-3 Hydrogeological Study $ 100,000 $ 100,000 100% W-5 Water Rights Implementation $ 40,000 $ 40,000 100% W-6 Auxillary power for wells #9, 11 & 14 $ 225,000 $ 225,000 25% Subtotal $ 1,470,000 $ 255,000 $ 30,000 $ 30,000 $ 30,000 $ 1,815,000 $ 1,533,750 Pump Stations P-1 Parr Rd 3rd booster pump & SCADA update $ 175,000 $ 175,000 99% Subtotal $ -$ -$ -$ -$ 175,000 $ 175,000 $ 174,000 Reservoirs R-1 Coating Elevated Reservoir $ 400,000 $ 400,000 25% Subtotal $ 400,000 $ -$ -$ -$ -$ 400,000 $ 100,000 Distribution Mains M-42 Country Club to elevated tank transmission replacement $ 3,484,000 $ 3,484,000 25% M-38 SWIR water system extension-SDC funded $ 1,200,000 $ 1,200,000 100% M-38 SWIR water system extension (Developer funded)$ 3,827,000 $ 3,827,000 100% M-1 to M-37 Fire flow improvements $ 336,800 $ 336,800 $ 336,800 $ 336,800 $ 336,800 $ 1,684,000 25% Routine Main Replacement Program $ 400,000 $ 400,000 $ 400,000 $ 400,000 $ 400,000 $ 2,000,000 25% Subtotal $ 736,800 $ 736,800 $ 5,763,800 $ 736,800 $ 4,220,800 $ 12,195,000 $ 6,819,000 CIP Total $ 2,636,800 $ 991,800 $ 5,793,800 $ 766,800 $ 4,425,800 $ 14,615,000 $ 8,634,250 16 Improvement Category CIP No.Project Description Fiscal Year CIP Schedule and Project Cost Summary Preliminary Cost % to Growth5-year 10-year 20-year TOTALthru 22/23 23/24-27/28 28/29-37/38 Water Supply W-1 Well rehabilitation $ 150,000 $ 150,000 $ 300,000 $ 600,000 25% W-2 New Wells $ 1,300,000 $ 1,300,000 $ 2,600,000 100% W-3 Hydrogeological Study $ 100,000 $ 100,000 100% W-4 Well 7 Improvements $ 1,000,000 $ 1,000,000 100% W-5 Water Rights Implementation $ 40,000 $ 40,000 25% W-6 Auxillary power for wells #9, 11 & 14 $ 225,000 $ 225,000 25% Subtotal $ 1,815,000 $ 150,000 $ 2,600,000 $ 4,565,000 $ 3,916,250 Pump Stations P-1 Parr Rd 3rd booster pump & SCADA update $ 175,000 $ 175,000 99% P-2 National Way 3rd booster pump $ 150,000 $ 150,000 100% Subtotal $ 175,000 $ -$ 150,000 $ 325,000 $ 324,000 Reservoirs R-1 Coating Elevated Reservoir $ 400,000 $ 400,000 25% R-2 Altitude Valve Replacement Elevated Reservoir $ 80,000 $ 80,000 25% Subtotal $ 400,000 $ 80,000 $ -$ 480,000 $ 120,000 Distribution Mains M-42 Country Club to elevated tank transmission replacement $ 3,484,000 $ 3,484,000 25% M-38 SWIR water system extension $ 5,027,000 $ 5,027,000 100% M-39 to M-41 OR-99E connect existing mains to complete network $ 367,000 $ 367,000 100% M-1 to M-37 Fire flow improvements $ 1,684,000 $ 1,789,000 $ 3,200,000 $ 6,673,000 25% Routine Main Replacement Program $ 2,000,000 $ 4,000,000 $ 8,000,000 $ 14,000,000 25% Subtotal $ 12,195,000 $ 5,789,000 $ 11,567,000 $ 29,551,000 $ 11,434,000 CIP Total $ 14,585,000 $ 6,019,000 $ 14,317,000 $ 34,921,000 $ 15,794,250 17 ▪May 14 –City Council Meeting –Water System Master Plan Adoption –Water Rate Study and System Development Charge (SDC) Presentation ▪June 11th –City Council Meeting –Water Rate Adoption ▪July 9th –City Council Meeting –Public Hearing and Adoption of SDC Fees 18