Sound Water System Planning for the Growing City of Bend, Oregon

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Sound Water System Planning for the Growing City
of Bend, Oregon
Presented by Kyle McTeague, P.E. Murray, Smith
Associates, Inc.
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Where is Bend?
base map provided by Pittmon Maps
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Basic Statistics

• 2005 Total City Population 70,000
• 2005 Water Service Area Population 53,000
• Planning Period Year 2030
• 2030 Water Service Area Population 103,000

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Growth History
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Planning for Growth

• Maximum Day Demand per Capita 590 gpcd
• Current Maximum Day Demand 27 mgd
• 2030 Maximum Day Demand 72 mgd
• 266 Increase
• URAs/UGB Expansions

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Typical Water System Interests/Concerns

• Provide Guidance for the Sound Stewardship of
  the Water System
• Plan for Growth
• Update System Development Charges and Rates
• Provide Adequate Fire Flows Throughout System

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Key City of Bend Water System Interests/Concerns

• Expand Supply in an Efficient Manner
• Provide Better Balance to the Water System
• Provide a High Value Capital Improvements
  Program
• Minimize Disruption to City Center
• Provide Flexibility in Improvement Program

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Primary System Elements

• Supply Surface Water and 23 Wells
• Storage 14 Reservoirs
• Distribution 300/- Miles of Pipeline
• Pumping/Transmission

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Key City of Bend Supply Related
Interests/Concerns

• Provide Better Balance to the Water System
• Provide a High Value Capital Improvements
  Program
• Minimize Disruption to City Center
• Provide Flexibility in Improvement Program

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Key City of Bend Supply Related Solutions

• Provides Better balance to the Water System
• Provides a High Value Capital Improvements
  Program
• Minimizes Disruption to City Center
• Flexibility in Improvement Program

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Key City of Bend Storage Related
Interests/Concerns

• Provide Better Balance to the Water System
• Provide a High Value Capital Improvements
  Program
• Minimize disruption to City Center
• Provide Flexibility in Improvement Program

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Key City of Bend Storage Related Solutions

• Provides Better Balance to the Water System
• Provides a High Value Capital Improvements
  Program
• Minimizes Disruption to City Center
• Allows Flexibility in Improvement Program

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Hydraulic Profile System Balance
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Storage Capacity Analysis

• Operational
• Fire Suppression
• Emergency

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Typical Ground Water Supply Storage
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Alternate Aquifer/Tank Storage
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Resultant Reduced Tank Storage
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Tank/Aquifer Storage Ratios
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Key City of Bend Distribution Related
Interests/Concerns

• Provide Better Balance to the Water System
• Provide a High Value Capital Improvements
  Program
• Minimize Disruption to City Center
• Improve Fire Flow Capacities Where Needed

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Key City of Bend Distribution Related Solutions

• Provides Better Balance to the Water System
• Provides a High Value Capital Improvements
  Program
• Minimizes Disruption to City Center
• Improves Fire Flow Capacities Where Needed

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Distribution System Hydraulic Computer Analysis

• Verification Match Existing System
• Calibration Output Match Actual Conditions
• Operational Review Confirm Settings Parameters
• Fire Flow Requirements Confirmed
• System Deficiencies Identified

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Distribution System Engineer Water System
Analysis

• Improvements Established Based On
• Sound Engineering Judgment
• Thorough Understanding of Water System
• Consideration for Specific City Interests
• Cost Considerations
• Corridors/Property/Other Utilities
• Optimized Balance of All Interests

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Summary

• City of Bend Water Master Plan Update
• Helps Guide the City to 2030
• Allows for Flexibility in Growth Rate and
  Locations
• Minimizes Disruption to City Center
• Maps Out a Well Balanced and High Value CIP
• Questions?