improving water system reliability and safety for a small city...vader. water system overview river...
TRANSCRIPT
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Improving Water System Reliability and Safety for a Small City
Presented by:Marshall Meyer, P.E.
(WA)
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Vader
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Water System Overview
River Intake
Treatment PlantWater Tank and Treatment Plant
Water System Extents
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Water System Concerns
Public health threat
Boil water advisories– 17 breaks and 10 advisories from 2006 to
2010
High unaccounted for water
Concern over financial viability
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Water Loss
Year
Total Production
(gpd)
Total Consumption
(gpd)Unaccounted for Water (gpd)
Percent Unaccounted for
Water
2000 84,244 56,078 28,165 33.43
2001 99,584 52,111 47,473 47.67
2002 96,437 52,010 44,428 46.07
2003 103,275 55,327 47,948 46.43
2004 85,306 56,326 28,980 33.97
2005 98,350 61,571 36,779 37.40
Average 94,533 55,571 38,962 40.83 Source: 2010 Vader Water System Action Plan
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Timeline
Meetings with State Agencies Action Plan
CDBG Funding
Water System into Receivership
12/2009 – 8/2010
6/2010 10/11/2010 10/29/2010
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Timeline
County Begins
Operating System
DWSRF Funding
Consultant Selection Begins
MSA Contracted
1/1/2011 3/2011 5/2011 8/2011
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Required Improvements
Replace most water mains
Replace water meters
Add isolation valves
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Selected Improvements
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Improvement Prioritization
Budget to complete roughly 1/3 of improvements
Prioritization criteria– Age– Material– Available fire flows– Customers served
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Document Reviews
Leak Detection
Hyd. Analyses
Public Input
Introduce Contractor
Mobilization &Staging
Water MainInstallation
Water Main Testing
Water Service Installation
Restoration/Cleanup
Back to Normal Life
Construction
Identify PipeImprovements
Select PipeAlignments
Public Meeting at 30-40%
Develop Plans & Specifications
Work Plan
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Improvements
Reliability/Operations Water meter/service
line replacements Isolation valves Sample stations Air/Vac assemblies
Safety Fire hydrants Water main
replacements
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Vader Take Aways
Increase system knowledge
Design for operations
Prioritize Improvements
Minimize restoration costs
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Questions?
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Funding and System Needs
FundingName
Funding Agency
Amount
Community Development Block Grant
State Dept. of Commerce
$613,000
Drinking Water StateRevolving Fund
State Dept. of Health
$714,675
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Changes in Operations
Full time staff assigned
System mapping and inventory
Increased rates From ~$20/month to ~$40/month
Obtained green operating permit in August 2011
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Increased Communications
Newsletter
Community Meetings
Reverse 911
Water System Website
Toll free number
Multiple City Council meetings
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Timeline
County Begins
Operating System
DWSRF Funding
Consultant Selection Begins
MSA Contracted
1/1/2011
3/2011
5/2011 8/2011
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Design Team Introduction
August 2011
Introduction at City meeting
Background and status update
Solicit input on known issues
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Preliminary Design Meeting
November 2011
Town meeting with preliminary alignments shown
Input on what we may not see in survey, etc.
Multiple staff and opportunity for input
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Complete Bid Documents
Incorporate public comments and input
Continue development of plans and specifications
Next public meeting after contractor selected
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Preconstruction Meeting
Emphasis on past efforts of resource limited city staff
Discuss next steps of construction
Identify staff contacts
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Construction Phase
Reverse 911 for water main shutdown information
Regular interactions with customers
Toll free phone number available
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Early Operations Issues
April 22, 2011 Water Main Break– 6:15 AM to 10:30 PM– Public Works Director on site during
repairs– 65-foot long repair, 4 pipe materials