WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014
description
Transcript of WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014
![Page 1: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/1.jpg)
WATER SUPPLY - System Reliability -
Florida Keys Aqueduct AuthorityWORKSHOP
February 18, 2014
![Page 2: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/2.jpg)
Groundwater Supply◦ Quantity◦ Quality
Infrastructure◦ Treatment◦ Transmission◦ Distribution
Response Plans◦ Long-term ◦ Short-term ◦ Emergencies
Reliability Components
![Page 3: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/3.jpg)
SUPPLY AND DEMAND Master Plan Developed In
2006◦ Population/Flow Projections
showed Increased Demands
◦ Major Capital Components New RO WTP and Well field New Booster Pump Stations New Distribution PS/Storage Continued R/R
![Page 4: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/4.jpg)
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
0
5
10
15
20
25
30
SUPPLY AND DEMANDAvailable Water Supply (2006 -2030)
Floridan Blend and Bypass (mgd)
Reclaimed Water
Reverse-Osmosis WTP (mgd)
Biscayne Aquifer (mgd)
Mill
ion
Gallo
ns p
er D
ay (M
GD) -
Aver
age
![Page 5: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/5.jpg)
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
0
5
10
15
20
25
30
SUPPLY AND DEMANDWater Demand Projections - 2005
Floridan Blend and Bypass (mgd)
Reclaimed Water
Reverse-Osmosis WTP (mgd)
Biscayne Aquifer (mgd)
2005 Avg Day Projections thru 2026
Mill
ion
Gallo
ns p
er D
ay (M
GD) -
Ave
rage
![Page 6: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/6.jpg)
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
0
5
10
15
20
25
30
SUPPLY AND DEMANDWater Demand Projections -
Current
Floridan Blend and Bypass (mgd)
Reclaimed Water
Reverse-Osmosis WTP (mgd)
Biscayne Aquifer (mgd)
Adjusted 2013 Avg. Day Projections
2005 Avg Day Projections thru 2026
Mill
ion
Gallo
ns p
er D
ay (M
GD) -
Ave
rage
![Page 7: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/7.jpg)
Decreased demand projections: Reduced need for added booster pump stations
◦ Property, structures, equipment and electric
Changed economic conditions: Delays construction of distribution pump
stations and storage tanks
SUPPLY AND DEMAND
![Page 8: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/8.jpg)
WATER QUALITY
Wellfield and Aquifers Biscayne meets all standards- Nitrate only parameter with up
trend Floridan meets standards, other
than chlorides. RO system removes chlorides.
Supply Protection• Land management of wellfield
• Monitoring of ground and surface waters
• Action plans based on monitoring data and/or events
![Page 9: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/9.jpg)
Transmission Main Assessment
Vulnerability Assessment to determine
◦ Areas where leaks and corrosive soils occur
◦ Difficult access for repair◦ Older sections for replacement
INFRASTRUCTURE INTEGRITY
![Page 10: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/10.jpg)
Pipeline ProtectionCathodic Protection against corrosive environment Steel pipe section along transmission main Steel water storage tanks
INFRASTRUCTURE INTEGRITY
![Page 11: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/11.jpg)
![Page 12: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/12.jpg)
OPERATIONAL REDUNDANCYWater Supply and
Treatment
Multiple Wells
Multiple Treatment Units
Emergency Power Generation
Electric and Diesel Pumps
![Page 13: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/13.jpg)
OPERATIONAL REDUNDANCYWater Supply and
Treatment
2 MGD Emergency Seawater Desalination Stock Island(Diesel)
1 MGD Emergency Seawater Desalination Marathon (Diesel)
![Page 14: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/14.jpg)
OPERATIONAL REDUNDANCYTransmission Pipeline Pumping Capability
Four Booster Pump Stations
Electric and Diesel Pumps
Emergency Power Generation
![Page 15: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/15.jpg)
OPERATIONAL REDUNDANCYEmergency
Backpumping
Three pumps on Stock Island Diesel/Electric
Three pumps in Marathon Diesel/Electric
23 of 36 Million Gallons Storage Capacity For Backpump Operations
![Page 16: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/16.jpg)
![Page 17: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/17.jpg)
System Usage (Demand)
![Page 18: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/18.jpg)
Operational Challenge“Sole Pipeline”
![Page 19: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/19.jpg)
Pipeline Disruption
What Happens?
![Page 20: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/20.jpg)
Scenario # 1
Land Based Pipe Failure
![Page 21: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/21.jpg)
Pipeline ControlmanCommunicates Known Conditions
![Page 22: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/22.jpg)
Operations Area ManagerAssesses Field ConditionsReports To Manger of Operations:
Exact Locations of Failure
Needed Equipment, Supplies, and Personnel
Estimates Amount of Time Required for Back Pumping and to Complete Repair
Traffic Impacts
![Page 23: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/23.jpg)
Manager of Operations
Determines:
Amount of Water Stored in Affected Area
Amount of Time Back Pumping Operation Possible
Necessity of RO Plant(s)
Operational Changes to Overall System
![Page 24: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/24.jpg)
Operations Team Makes Repair
![Page 25: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/25.jpg)
Occurred 11 Times In Past 5 Years
In All Cases Stored Water Supply Was Sufficient
Reverse Osmosis Plants Were Not Operated
Confident Similar Emergency Repairs Will Have Same Success Of Timely Completion
Scenario # 1 Closing Thoughts
![Page 26: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/26.jpg)
Scenario # 2
Key Largo to Florida City Pipe Failure
![Page 27: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/27.jpg)
![Page 28: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/28.jpg)
Scenario #2 Plan
![Page 29: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/29.jpg)
Build Access Pad to Leak Site Utilizing Available Contractors
Implement Water Excavation
Stock Materials Needed for Repair
Effect Repair Similar to Land Based
Highlights of Plan
![Page 30: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/30.jpg)
Never Been Done
Availability Of Contractors
Assume Up TO 4 Days To Complete
Seawater ROs Only Water Supply
Challenges of Plan
![Page 31: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/31.jpg)
Mandatory Water Restrictions Needed
Water Demands May Not Be Met For Days
Intermittent Or Complete Shut Down Of Some Distribution Systems/Possible Container Filling
Identify Possibility Of Expedited Repair
Develop Emergency Plan With Monroe County
Scenario # 2 Closing Thoughts
![Page 32: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/32.jpg)
Scenario # 3
Bridge Failure
![Page 33: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/33.jpg)
Scenario # 3 Plan
Dependent on DOT Contractor to Replace Pipe as Bridge is Replaced/Repaired
Maintain Pipe Inventory for Repair
Depend on RO Production for Supply
![Page 34: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/34.jpg)
PIPE SIZE DUCTILE IRON STEEL36” 194’ 40’30” 212’ 769’24” 446’ 516’18” 36’ 61’
FKAA Pipe Inventory
![Page 35: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/35.jpg)
Repairs May Require Months To Complete
Water Demands Likely Exceed Supply
Barge/Ship Mounted RO Possible (Navy)
Consider Long Term Pipeline Redundancy Plan
Additional RO Capacity
Scenario # 3 Closing Thoughts
![Page 36: WATER SUPPLY - System Reliability - Florida Keys Aqueduct Authority WORKSHOP February 18, 2014](https://reader035.fdocuments.us/reader035/viewer/2022062811/56816211550346895dd23ce4/html5/thumbnails/36.jpg)
Discussion