JOHN REDMOND RESERVOIR DREDGING PROJECT€¦ · JOHN REDMOND RESERVOIR DREDGING PROJECT. TODAY’S...
Transcript of JOHN REDMOND RESERVOIR DREDGING PROJECT€¦ · JOHN REDMOND RESERVOIR DREDGING PROJECT. TODAY’S...
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JOHN REDMOND RESERVOIR DREDGING PROJECTJOHN REDMOND RESERVOIR DREDGING PROJECT
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TODAY’S DISCUSSION
Background & Need for Project
Project Overview Permits, Implementation Timeline & Major Project
Components
Total Costs
Permitting Challenges
Project Successes
Ongoing Sediment Management Challenges
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• 1950 – Strawn Dam and Reservoir authorized under Flood Control Act of 1950
• 1959 – Construction begins• 1964 – Multipurpose Pool
filled
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KANSAS RESERVOIR LOSS OF CAPACITY
39
0
10
20
30
40
50
Per
cent
Los
s of
Cap
acity
to D
ate
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RATE OF SEDIMENTATION
1.84
0.00
0.50
1.00
1.50
2.00
2.50
Clin
ton
Cou
ncil
Gro
ve
El D
orad
o
Elk
City
Fall
Riv
er
Hill
sdal
e
John
Red
mon
d
Kan
opol
is
Mar
ion
Mel
vern
Milf
ord
Per
ry
Pom
ona
Toro
nto
Tutt
le C
reek
Sur
vey
Bas
ed S
edim
enta
tion
Rat
e/D
esig
ned
Sed
imen
tatio
n R
ate
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SUPPLY VS DEMAND
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33 U.S.C. Section 408 RoD Authorized KWO to conduct project on federal property Programmatic Environmental Impact Statement (PEIS)
Section 106 Programmatic Agreement USACE Tulsa District, KSHS & Osage Nation of Oklahoma Ensure any historic sites were identified/protected
Section 404 Permit (USACE) & Stream Obstruction Permit (DWR) Slurry pipeline crossing of Neosho River
Dam Safety Permits KDA-DWR Required for all CDFs (based on DWR dam criteria)
Floodplain Fil l Permits (DWR) CDFs B and F (SFHA Zone A)
Water Term Permit (DWR) Authorized use of water from Redmond for dredging purposes (> 6 months)
NOI for Stormwater Runoff from Construction Activities (KDHE) NPDES Permit (KDHE) Effluent Limits at point of discharge
REQUIRED PERMITS
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Phase I Implementation Timeline
2012 - Planning process begins with USACEMay 2015 – Section 408 Request Final RoD and
FONSI on Programmatic EIS Issued. November 2015 – June 2016: Confined Disposal
Facility (CDF) construction takes placeMay 2016: Dredging operations begin October 2016: Dredging operations complete October 2016: CDF dewatering efforts begin 2017 and beyond: CDF reclamation begins.
JOHN REDMOND DREDGING
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CONFINED DISPOSAL FACILITY CONSTRUCTION
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PIPELINE WORK
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NEOSHO RIVER CROSSING
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DREDGE MOBILIZATION
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DREDGE “LP”
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22” ELECTRIC DREDGE “LP”
CSD “LP”
22” Discharge
3,500 Total HP
Booster Pump
1,000 HP Crane Barge Tug Boats Survey Vessels Crew Vessels Skidder Barge
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SHORE BOOSTER STATION
O/A Length: 40’
Width: 12’
Height: 16’
HP: 1,000HP Cat. 399
Discharge Diameter: 18”
21,000 Gallon Frack Tank with 4” Electric Pump (175 GPM)
10,000 Gallon Fuel Tank with Secondary Containment
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KICKOFF CEREMONY5/17/2016
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DREDGED MATERIAL
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TREATED WATER ENTERINGFINAL CLARIFICATION CELL (CDF B)
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DISCHARGE TO NEOSHO RIVER
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UPLAND CONFINED DISPOSAL FACILITIES
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CDF DEWATERING & RECLAMATION
Continue Work with Great Lakes Dredge & Dock on CDF Reclamation
CDF dewatering has progressed since October 2016
June 2017, treated water no longer being released to Neosho River
CDF F first in line to be put back into cropland production All dredged material stays on site, CDF walls will be removed
and dirt work will be completed to establish surface drainage network as well as re-slope perimeter to stabilize.
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PROJECT SUMMARY & COSTS
3,000,000 CY of sediment removed (~1,900 AF) Average: ~19,000 CY/day
Max: ~32,000 CY/day
$20 million ~ $6/CY Total cost includes permitting, engineering & design,
construction, dredging, lease payments and land reclamation
Includes some funds for watershed practices above reservoir
Project financed by 15-year Bond State Water Plan Funds
Water Sales Revenue through Water Marketing Program
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PERMITTING CHALLENGES
Required significant effort and coordination with Corps and other partners through permitting process
KDHE NPDES Permit Effluent Limits for TSS and Ammonia
Lower limits in summer months and reduced CDF volume late in project
Section 106 Agreement for Cultural Resources Osage Nation concerns with archeological surveys required
second surveys for several of the CDF locations
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PROJECT SUCCESSES
Project met its goal for planned sediment removal and restoration of water supply storage capacity
First of its kind project and process developed a model which can be used in Kansas and nationwide when looking to restore water supply capacity lost to sedimentation within federal reservoirs.
KWO was awarded a Department of the Army Certificate of Appreciation for work which resulted in the approval of the first and largest inland Section 408 request in the U.S. to be approved by USACE, Headquarters.
Raised awareness of reservoir sedimentation issues
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ONGOING SEDIMENT MANAGEMENT CHALLENGES
Need to ensure long-term water supply storage capacity in Redmond
Costs for long-term restoration needs to meet projected water supply demands Funding for future phases
Land availability for future dredging activities
Applicability of other sediment management options Limitations for Redmond
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QUESTIONS & DISCUSSION