2006 Water Comprehensive Plan - City of Bellevue

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RowTable 5-5Conservation Savings Achieved Through 2004SingleFamilyMultiFamilyCommercialTotalBilledUnbilledPurchasedWater 4Demographics in Year of1 Interest (2004)2 Number of Housing Units 5 33,912 24,206 N/A N/A N/A N/A3 Number of Accounts 5 33,912 658 N/A N/A N/A N/A4Water Use Factors in BaselinePeriod (1986-1990)5Water Use per Housing Unit(gpd) 1, 6 283 152 N/A N/A N/A N/A6 Water Use per Account (gpd) 1, 6 283 4,872 N/A 486 N/A N/A7Water Use Factors in 3 YearAverage (2002-2004)8Water Use per Housing Unit(gpd) 1, 6 240 114 N/A N/A N/A N/A9 Water Use per Account (gpd) 1, 6 240 4,594 N/A N/A N/A N/A10Demand and Savings For Yearof Interest (2004)11Normalized Demand WithoutConservation (gpd) 2 9,597,096 3,679,312 4,112,421 17,388,829 1,139,240 18,528,06912Normalized Demand WithConservation (gpd) 3, 6 8,138,880 2,759,484 3,869,918 14,768,282 748,598 15,516,87913Actual Demand WithConservation (gpd) 5(Uses actual data for year ofinterest) 8,240,536 2,828,653 3,717,740 14,786,929 626,480 15,413,40914Savings Volume (gpd) 6(Based on normalized demands) 1,458,216 919,828 242,503 2,620,547 390,643 3,011,19015Savings Percent(Based on normalized demands) 15% 25% 6% 15% 34% 16%1. Baseline and 3 year average water use per housing unit or account are rounded to zero decimals.2. For residential, uses baseline period water use factors. For commercial, uses 3-yr average of actual demand plus estimatedconservation savings.3. For residential, uses 3-year average water use factors. For commercial, uses 3-yr average of actual demand.4. Exclusive of wheeled/wholesale water.5. Data obtained from the billing system.6. Calculated from data obtained from the billing system.7. Source of data is from local and regional commercial sector reports that estimate savings from implemented projects.6. “Actual Demand With Conservation” (row 13) is obtained from the billing system.The numbers are 8,240,536 gpd for single family and 2,828,653 gpd for multifamily.7. “Saving Volume” (row 14) is calculated by subtracting “Normalized Demand WithConservation” (row 12) from “Normalized Demand Without Conservation” (row 11).The results are 1,458,216 gpd for single family and 919,828 gpd for multifamily.5-15
8. “Savings Percent” (row 15) is calculated by dividing the “Savings Volume” (row 14)by the “Normalized Demand Without Conservation” (row 11). The results are 15%savings for single family and 25% savings for multifamily.The main steps to analyze the conservation savings for the commercial sector are as follows:9. “Normalized Demand Without Conservation” (row 11) is calculated by adding the“Normalized Demand With Conservation” (row 12) and the “Saving Volume” (row14). The result is 4,112,421 gpd.10. “Normalized Demand With Conservation” (row 12) is calculated from data from thebilling system. It is the average of the actual demands for the year of interest and thetwo previous years. The result is 3,869,918.11. “Actual Demand With Conservation” (row 13) is obtained from the billing system.The number is 3,717,740.12. “Saving Volume” (row 14) is the estimated cumulative amount of water saved byprojects implemented in the commercial sector since 1990. The source for this data isfrom local and regional commercial sector reports that estimate savings fromimplemented projects.. The number is 242,503 gpd.13. “Savings Percent” (row 15) is calculated by dividing the “Savings Volume” (row 14)by the “Normalized Demand Without Conservation” (row 11). The result is 6%savings.The conservation savings and their effects on demand are shown graphically in Figures 5-1to 5-4. The figures demonstrate that water conservation has resulted in steadily decreasingwater use for single and multifamily units and the commercial sector.For the single family sector, Figure 5-1 compares the water use per housing unit for eachyear to the baseline period. The baseline period water use number is 283 gpd. The numbersfor the most recent three years average 240 gpd, a 15% reduction compared to the baselineperiod.5-16
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WaterComprehensivePlan
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ASSET MANAGEMENTR&R needs areregula
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CONTENTSExecutive SummaryPageiiiCha
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Chapter 12 - Financial Information
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10-1 Federal Drinking Water Quality
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CHAPTER 1IntroductionUtilities Depa
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Demand. The quantity of water obtai
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EKCEast King CountyEKC-CWSP East Ki
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CHAPTER 2Water Utility PoliciesThe
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owner agrees to reimburse the City
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Facility AbandonmentWhen the Utilit
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Discussion:The Utility should syste
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Discussion:It is Bellevue’s polic
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Discussion:In 1982, Bellevue, along
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Waterworks UtilityFinancial Policie
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B. Self-sufficient FundingEach Util
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B. Funding LevelsFunding for capita
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D. Capital Facilities Renewal & Rep
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overhead for developer extension pr
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equired to balance the expenses. A
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demonstrate that the hydrologic res
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adopted to recover those costs dire
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In 2004, the Financial Consulting S
Page 57 and 58: Discussion:Providing reserves for e
Page 59 and 60: individual Transportation Analysis
Page 61 and 62: Table 3-2Residential Population Pro
Page 63 and 64: 2006CURRENT LAND USENE 8TH ST104TH
Page 65 and 66: SERVICE AREAThe current Bellevue ci
Page 67 and 68: Table 3-3Interties(Regional Supply
Page 69 and 70: Bellevue and Kirkland are currently
Page 71 and 72: Water District No. 22Water District
Page 73 and 74: Utility Service Review ProceduresTh
Page 75 and 76: CHAPTER 4Water RequirementsThe exis
Page 77 and 78: This type of demand is relatively c
Page 79 and 80: • Apparent Losses: Includes unaut
Page 81 and 82: Existing DemandExisting water deman
Page 83 and 84: The future build-out demand project
Page 85 and 86: Table 4-4cBuildout Demand Projectio
Page 88 and 89: Table 4-6Comparison of Eastside Com
Page 90 and 91: pressure throughout the rest of the
Page 92 and 93: Pressure ZonesPressure zones are de
Page 94 and 95: CHAPTER 5Water ConservationThe City
Page 96 and 97: identifies the main categories of a
Page 98 and 99: Table 5-2Historical Conservation Me
Page 100 and 101: Speakers BureauThis measure is defi
Page 102 and 103: Bill Showing Consumption HistoryThi
Page 104 and 105: schedules, and efficient irrigation
Page 106 and 107: Seasonal Demand ManagementThis meas
Page 110 and 111: Figure 5-1Single Family Water Use P
Page 112 and 113: Since the post-conservation era beg
Page 114 and 115: statement about each measure is inc
Page 116 and 117: CHAPTER 6Existing SystemThis chapte
Page 118 and 119: KIRKLANDREDMONDLakeWashingtonWest B
Page 123 and 124: City of BellevueWater Pressure Zone
Page 125 and 126: Supply ConnectionNE 40th InletCherr
Page 127 and 128: appropriate, PRV records also inclu
Page 129 and 130: Table 6-5Pump StationsPage 1 of 2Na
Page 131 and 132: Table 6-6Storage FacilitiesPage 1 o
Page 133 and 134: HYDRAULIC OPERATIONSTables 6-7 thro
Page 135 and 136: ZonePrimary SupplyConnectionsReserv
Page 137 and 138: ASSET MANAGEMENT PROGRAM DEVELOPMEN
Page 139 and 140: total business risk exposure.Determ
Page 141 and 142: PIPELINE RENEWAL AND REPLACEMENTBel
Page 143 and 144: In 1999 Montgomery Watson completed
Page 145 and 146: CHAPTER 8System AnalysisThe purpose
Page 147 and 148: from Seattle’s Eastgate and SE 28
Page 149 and 150: year. When these small-diameter pip
Page 151 and 152: Fire Flow VolumeDefinitionWAC 246-2
Page 153 and 154: increase in demand anticipated due
Page 155 and 156: Table 8-1bSummary of Storage Evalua
Page 157 and 158: Storage Conclusions and Recommendat
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To evaluate required capacity for t
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CHAPTER 9Operations and Maintenance
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Table 9-1Engineering and Environmen
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Table 9-3Water Department Vehicles
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RECORDS AND DATA MANAGEMENTSystem O
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Pump Stations. Each pump station is
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CHAPTER 10Water QualityThis Chapter
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Bellevue is responsible for monitor
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Table 10-2Annual Average of Total T
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esponsible for collecting any repea
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While the CCR provides an annual
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• Very Small System Waiver - Syst
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CCL, which is comprised of 51 (nine
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• Aging infrastructure and corros
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SUMMARY OF MONITORING REQUIREMENTST
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. At the time the backflow preventi
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Element 8: The purveyor shall inclu
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separation of common water inlets/o
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Fire Hydrant ImprovementsThis progr
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PRIORITIZATION OF IMPROVEMENTSCapit
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CHAPTER 12Financial InformationThis
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TABLE 12-2City of BellevueWater Uti
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during periods of high expenditures
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Bonds issued by the "Waterworks Uti
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TABLE 12-5City of BellevueWaterwork
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APPENDIX BService Area and Adjacent
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APPENDIX DAdjacent Purveyor Review
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CopyCenterFrom: Thompson, Randall L
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CopyCenterFrom:Scott Thomasson [STH
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CopyCenterFrom:Bob Trimble [bob.tri
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Consistency w/SPU forecast for wate
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Provision of SDWA water quality rep
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• Federally-approved habitat cons
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APPENDIX EConsistency Statement Let
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2006 Water Comprehensive Plan - City of Bellevue

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