Maine Yankee Reactor Vessel Removal & Barge Transport · Maine Yankee Reactor Vessel Removal &...
Transcript of Maine Yankee Reactor Vessel Removal & Barge Transport · Maine Yankee Reactor Vessel Removal &...
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Maine Yankee Reactor VesselRemoval & Barge Transport
U.S. Department of EnergyTEC Working Group
April 4-5, 2005Phoenix, Arizona
Ted Feigenbaum
Maine Yankee President & CEO
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The Maine Yankee Reactor Pressure
Vessel Project
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Ingredients for Success
Solid Planning +
Flawless Implementation +
Extensive Communication =
. . . Success
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The reactor pressure vessel (RPV) internals, before segmentation. 2001
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The segmented RPV internals. 2001
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The arrival of the RPV shipping container cover at Maine Yankee. May 2001
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Vessel lift from Containment for transfer to the shipping container. August 2002
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Vessel transfer to the shipping container. August 2002
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The empty RPV shipping container and skid in the back yard. 2001
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The shipping container, staged in the Containment equipment hatch. May 2002
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RPV Package
NORMAL DENSITY
NORMAL DENSITY
CONCRETE
CONCRETE
Overall Length 35' 8"Outside Diameter 19' 1"
Total Shipping Weight 1175 tons
Shell Thickness 3"Top & Bottom Plate 4"
• Shell Material: SA-516 Grade 70 Carbon Steel
• Design Code: ASME Section VIII Division II, used as guide
LOW DENSITY CONCRETE
REACTOR INTERNALSNOT SHOWN
TOP PLATE (4 INCHES) TOP SHIELDING (2 INCHES)SUPPLEMENTAL
NOZZLE PLUG
HOLLOW RING
CONTAINER CYLINDER(3 INCHES)35
'-8"
19'-1"BOTTOM PLATE (4 INCHES)
LOW DENSITY CONCRETE
SUPPLEMENTAL AXIALSHIELDING
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The RPV package in the Maine Yankee back yard. November 2002
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Planning
• Established a dedicated project team• Coordinated activities• Developed contingencies including
emergency resources en route• Closely monitored water levels in Savannah
River• Met all federal/state requirements for RPV
package and shipment
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Implementation
• Established clear command and control• Set “go-no go” limits, especially for weather
and water• Put in place Marine Safety Zone• Shipment accompanied by two tugs at all
times• Experienced rad tech on board as well as crew
with rad and hazardous materials training
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Communication
• Open, honest, early, and often – no surprises• Message: major milestone; considerable experience;
all requirements met; package Class C or less• Developed information packet• Stakeholders included: Federal/State/local officials,
media, fishermen, and neighbors (Community Advisory Panel)
• Coordinated regularly with Duratek• Sent advance team – RP and Public Affairs – to
Charleston, SC
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Arrival of the transport equipment for vessel transfer to the Maine Yankee barge slip. April 2003
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RPV package transfer from the back yard to the barge slip by heavy haul transporter. May 3, 2003
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The RPV package on the barge, ready for shipment. May 5, 2003
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Site workers, media, and others gathered at the barge slip to watch the loaded barge depart. 2:00PM May 6, 2003
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Onlookers waited for the tide to reach the optimum level for the barge to depart. 2:30 PM May 6, 2003
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The departure of the barge from Maine Yankee. 3:00 PM May 6, 2003
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RPV Barge Transportation Route
BARNWELL
MAINE YANKEE
• The water transit route started at the Plant's barge slip and ended at the DOE’s Savannah River Site, approximately 1,200 miles.
• The package then moved by heavy haul transport 22 miles to the Barnwell disposal site.
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The barge in Hampstead, North Carolina. May 15, 2003
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Arrival of the barge at the DOE Savannah river site. June 2003
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The RPV package during its 22-mile trip by heavy haul transporter to the disposal site in Barnwell, South Carolina. June 2003
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Transport of the package into the trench for burial at the Barnwell site. June 2003
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The RPV package in the trench at Barnwell. The ends of the skid were cut off for burial. June 2003
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Lessons Learned• Start planning and communication early• Establish a dedicated team with clear lines of
authority• Bring in experienced people/talent• Coordination among team members and stakeholders
is key• Think of the “what ifs” and develop contingencies• Set “go-no go” limits and abide by them• Communicate actively with stakeholders. Know
everyone is comfortable with your plan before transporting the package
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