Timbers Water and Sanitation District TWSD NEW SANITATION SYSTEM Public Meeting, Project Needs Assessment December 15, 2016
Timbers Water and Sanitation District Agenda • Introductions • Reason for Public Meeting • Sanitation System • Current Sanitation System • What’s wrong with the current system? • How do we fix it? • What’s it going to cost & How do we pay for it? • What are the next steps? • Questions about the sanitation system • Information Session • Fees and taxes for 2017 • Water System Renovations/Improvements December 15, 2016 2
Timbers Water and Sanitation District Agenda • Introductions • Reason for Public Meeting • Sanitation System • Current Sanitation System • What’s wrong with the current system? • How do we fix it? • What’s it going to cost & How do we pay for it? • What are the next steps? • Questions about the sanitation system • Information Session • Fees and taxes for 2017 • Water System Renovations/Improvements December 15, 2016 3
Timbers Water and Sanitation District Board Members and Staff • Board Members • Ronald Krall, President • Gary Osteen, Vice-President • Dusty Atkinson, Treasurer • Ash Lesniak • Brock Knez • Staff • Jodi Lightfoot, District Manager • Kasey O’Halloran, Assistant District Manager • Ellen Dalton, Administrator (outgoing) • Tim Gibbons, Water System Operator • John Fitzgerald, Sanitation System Operator • Consultant • Mary Andre, P.E., Civil Design Consultants, Inc. December 15, 2016 4
Timbers Water and Sanitation District Monthly Meetings • Second Monday every month • 5:30pm start • Offices of Sharp, Steinke, Sherman and Engle • 401 Lincoln Avenue December 15, 2016 5
Timbers Water and Sanitation District Website • www.timberswater.org • Notices www.timberswater.org • Board meetings • Agendas • Minutes • Governing documents December 15, 2016 6
Timbers Water and Sanitation District Agenda • Introductions • Reason for Public Meeting • Sanitation System • Current Sanitation System • What’s wrong with the current system? • How do we fix it? • What’s it going to cost & How do we pay for it? • What are the next steps? • Questions about the sanitation system • Information Session • Fees and taxes for 2017 • Water System Renovations/Improvements December 15, 2016 7
Timbers Water and Sanitation District Reason for Public Meeting • Need to replace existing sanitation system • New system must be approved by the Colorado Department of Public Health and Environment (CDPHE) • We expect to receive state funding • Public Meeting is required as part of approval and funding process • Board needs your input and support December 15, 2016 8
Timbers Water and Sanitation District Agenda • Introductions • Reason for Public Meeting • Sanitation System • Current Sanitation System • What’s wrong with the current system? • How do we fix it? • What’s it going to cost & How do we pay for it? • What are the next steps? • Questions about the sanitation system • Information Session • Fees and taxes for 2017 • Water System Renovations/Improvements December 15, 2016 9
Timbers Water and Sanitation District CURRENT SANITATION SYSTEM December 15, 2016 10
Timbers Water and Sanitation District Sanitation System Components • Collection System • Treatment • Biological Treatment • Disinfection • Discharge December 15, 2016 11
Timbers Water and Sanitation District TWSD Current Sanitation System • Over 45 years old • Collection System • 1.4 miles of asbestos cement pipe; 800 feet PVC pipe • Treatment • Headworks with manual solids removal • Two lagoon system • First (Treatment) lagoon: lined, baffled, 2-cell biological treatment • Chlorination chamber: disinfection • Second (Storage) lagoon: unlined, storage of treated water • Discharge • Spray irrigation December 15, 2016 12
Timbers Water and Sanitation District “ ” December 15, 2016 13 C D C Engineers and Planners
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Timbers Water and Sanitation District What’s wrong with the current sanitation system? • Not validly permitted • To obtain valid permit, system has to meet current standards December 15, 2016 17
Timbers Water and Sanitation District What’s wrong with the current sanitation system? • Not validly permitted • To obtain valid permit, system has to meet current standards • Collection system is failing December 15, 2016 18
Timbers Water and Sanitation District “ ” December 15, 2016 19 C D C Engineers and Planners
Timbers Water and Sanitation District Flows through the collection system December 15, 2016 20
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Timbers Water and Sanitation District December 15, 2016 22
Timbers Water and Sanitation District December 15, 2016 23
Timbers Water and Sanitation District What’s wrong with the current sanitation system? • Not validly permitted • To obtain valid permit, system has to meet current standards • Collection system is failing • Treatment system is failing December 15, 2016 24
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Timbers Water and Sanitation District What’s wrong with the current sanitation system? • Not validly permitted • To obtain valid permit, system has to meet current standards • Collection system is failing • Treatment system is failing • Discharge system is unreliable • Insufficient capacity • Irrigation system in disrepair December 15, 2016 32
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Timbers Water and Sanitation District How do we fix this? • Replace the collection system • Construct a new treatment system • Renovate the existing discharge system or replace it with surface water discharge December 15, 2016 34
Timbers Water and Sanitation District Considerations • Cost • Construction • Operating • Reliability • Longevity • Simplicity • Experience with the components in our climate • Timeliness of Completion • CDPHE acceptance December 15, 2016 35
Timbers Water and Sanitation District Replacement of the collection system • Options considered • Line the existing pipes • Low pressure collection system • Gravity system • Gravity system selected • Simplicity • Reliability December 15, 2016 36
Timbers Water and Sanitation District New Treatment System • Options considered • Replacement of existing lagoons • Mechanical Plants December 15, 2016 37
Timbers Water and Sanitation District Replacement of existing lagoons would require • Replacement and maintenance of the lower 3185 feet of the collection system • Construction of 3 new lagoons • Haul away of waste material during construction • Renovation of discharge system • Acquisition of addition to land easement to include service road and potentially enlarge spray irrigation field December 15, 2016 38
Timbers Water and Sanitation District Mechanical Treatment Plants • Two kinds • Sequencing Batch Reactor • Advantex Packed Bed Media Filtration System • Selected Fluidyne ISAM Sequence Batch Reactor • Many installations at our elevation or above, and in our climate • Tolerant of variable flows • Simple to operate • Many CDPHE approved installations • Small footprint: 14’ x 40’ tank, 24’ x 60’ foot building • Comparable acquisition and operating costs to alternatives • No odor • Minimal operating noise December 15, 2016 39
Timbers Water and Sanitation District Sequencing Batch Reactor December 15, 2016 40
Timbers Water and Sanitation District Eagle Travel Center, Cameo, CO Images from www.fluidynecorp.com December 15, 2016 41
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Timbers Water and Sanitation District Mechanical Treatment Plants • Two kinds • Sequence Batch Reactor • Advantex Packed Bed Media Filtration System • Selected Fluidyne ISAM Sequence Batch Reactor • Many installations at our elevation or above, and in our climate • Small footprint • Tolerant of variable flows • Comparable acquisition and operating costs • Simple to operate • Many CDPHE approved installations • Small footprint and acceptability for surface discharge allowed consideration of an alternative site December 15, 2016 43
Timbers Water and Sanitation District “ ” December 15, 2016 44 C D C Engineers and Planners
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