New Korean LILW Repository - gnssn.iaea.org Documents/Waste...New Korean LILW Repository - Current...
Transcript of New Korean LILW Repository - gnssn.iaea.org Documents/Waste...New Korean LILW Repository - Current...
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New Korean LILW Repository
- Current Status of Radioactive Waste Management in Korea -
4th Feb. 2015 / Eunsang Park
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Contents
1. Overview of the KORAD
2. Construction of the WLDF
3. Operation of the WLDF
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1. Overview of the KORAD
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Background
The need for new RWM system after the selection of LILW
disposal facility site
Legislation of the Radioactive Waste Management Act
(Mar. 2008)
Foundation of the Korea Radioactive Waste Agency
(Jan. 2009)
Establishing the independent organization for safe and effective
management of radioactive waste
Requested by the National Assembly, the Board of Audit and Inspection,
and NGOs
Establishing the Government Funds to improve the transparency and
stability of the financial resources for the radioactive waste management
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Mission & Organization
Mission
Organization
Transport & Disposal of Low- and Intermediate-Level Waste
Interim Storage & Disposal of Spent Nuclear Fuel
Siting, Construction & Operation of Radioactive Waste Disposal Facility
Management Facilities
R&D’s on Radioactive Waste Disposal and SNF Management
Administration of Radioactive Waste Management Fund
HQ : 3 Divisions (Gyeongju)
Wolsong LILW Disposal Center (Gyeongju)
R&D Institute (Daejeon)
Fund Management Center (Seoul)
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Organization Chart
President AUDIT
Executive Vice President
Radioactive Waste Project Division
Administration & Planning Division
Human Resource Development Dept.
Quality Assurance Department
Audit & Inspection Department
LILW Disposal Center
Fund Management Center
PECOS Support Office
R & D Institute
* Public Engagement Commission on Spent Nuclear Fuel Management
Disaster Management Team
Public Relation Department
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On-going Efforts
Operation of the 1st
Stage Disposal Facility
Preparation of the 2nd
Stage Disposal Facility
Public and Stakeholder Engagement Program for Spent
Nuclear Fuel Management Policy
Preparation for SNF Interim Storage and Final Disposal
Development of Radioactive Waste Management
Technology
International Cooperation
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2. Construction of the Wolsong
LILW Disposal Facility
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Nuclear Facilities in Korea
Daejeon Science Town : KORAD Research & Development Institute
Nuclear Power Plant Hanbit
1,2,3,4,5,6
Nuclear Power Plant Kori 1,2,3,4, ShinKori 1,2
ShinKori 3,4(Under Const.)
Nuclear Power Plant Wolsong 1,2,3,4 ShinWolsong 1
ShinWolsong 2(Under Const.)
Nuclear Power Plant Hanul 1,2,3,4,5,6
ShinHanul 1,2(Under Const.)
KORAD HQ
LILW Repository
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Status of LILW generation
< Dec. 2014 / 200 liter Drum>
Site(no. of reactors) Storage Capacity Stored
NPPs
Kori(4) 50,200 42,282
Yonggwang(6) 23,300 22,823
Ulchin(6) 18,929 18,467
Wolsong(5) 13,240 12,745
Sin-Kori(2) 10,000 534
Sub-total 115,669 96,851
KORAD(RI Waste Storage) 9,750 3,207
KAERI 39,438 20,399
KEPCO-NF 8,900 7,287
Others - 1,496
Sub-total 58,088 32,389
Total 173,757 129,240
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WLDF-Site overview
Located in the south-east coast
of the Korean Peninsula
Adjacent to Wolsong NPPs
Area : about 2,000,000 Sq. m
Disposal capacity
Total 800,000 drums
1st stage : 100,000 drums
2nd stage : 125,000 drums
Disposal method
1st stage : Underground silo
2nd stage : Near surface disposal
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Project Milestone of WLDF(1st
stage)
Designation as LILW Disposal Facility Site (Jan. 2006)
Detailed Site Investigation & Design (Feb. 2006~)
* MOTIE(Ministry of Trade, Industry and Energy)
** NSSC(Nuclear Safety and Security Commission)
Project Approval by MOTIE* (Jul. 2007)
Construction & Operating License of NSSC**(Jul. 2008)
Completion of building the Silo (Nov. 2013)
Completion of the Facility Construction (Jun. 2014)
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The 1st
Stage Disposal Facility Profile
Disposal Area
Surface Facility
Visitor Center
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Concept of Disposal
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Concept of Disposal
Disposal & Closure plan
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Surface Facility
Receipt & Storage Building : Receipt, Storage and Inspection
Radioactive waste Building : Treatment
Service Building : Machine shop, Garage, Substation Building etc.
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Underground Facility
Underground Facility
Operation Tunnel : Transportation of radioactive waste
Construction Tunnel : Transportation of construction equipment and materials
Shaft : Entrance for workers
Silo : Final disposal of radioactive waste
(Shaft Entrance) (Portal)
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Construction
Excavation for silos
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Construction
Current Status of Underground Facility
Operation Tunnel (1,415m)
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Construction
Current Status of Underground Facility
Construction Tunnel (1,950m)
Unloading Tunnel (360m)
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Construction
Current Status of Underground Facility
Silo and Crane
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The 2nd
Stage Disposal Plan
1st
Stage Disposal Facility
Surface Facility
ShinWolsong NPP #1&2
2nd
Stage Disposal Facility
Disposal Area : Approx. 71,014 m2
Disposal Capacity : 125,000 drums
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The 2nd
Stage Disposal Plan
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Basic Design of the 2nd
Stage Disposal
Vault Characteristics
Length : 20 m
Width : 20 m
Wall thickness : 0.6 m
Height : 10.5 m
Vault capacity for 9 layers : 6800 drums
Reinforced concrete box type vaults
Operation Concept
Disposal of waste drums in
vault using a mobile roof
Steel drums are handled one
by one with an overhead
crane
Voids are backfilled with
concrete based slurry or
gravels
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Basic Design of the 2nd
Stage Disposal
Revision of Radioactive Waste Classification (Sep. 2014)
High Level Waste
Low-and-Intermediate
Level Waste
High Level Waste
Intermediate Level Waste
Low Level Waste
Very Low Level Waste
< Before > < After >
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Basic Design of the 2nd
Stage Disposal
Disposal Plan
Exempt Waste
Very Low Level Waste
Low Level Waste
Intermediate Level Waste
High Level Waste
Clearance
Landfill
Near Surface
Vault Type
Underground
Silo Type
Deep
Geological
Activity
Bore Hole
Near
Surface
Disposal
Deep
Geological
Disposal
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3. Operation of the Wolsong
LILW Disposal Facility
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Status of LILW Generated from NPPs
< Dec. 2014 / 200 liter Drum>
Site(no. of reactors) Capacity Stored %
NPPs
Kori(4) 50,200 42,282 84%
Yonggwang(6) 23,300 22,823 98%
Ulchin(6) 18,929 17,467 92%
Wolsong(5) 13,240 10,209 77%
Sin-Kori(2) 10,000 534 5%
Total 115,669 93,315 81%
Need to address the problem of insufficient storage
space in NPPs
It should be transported and disposed
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Started Partial Operation
Approved construction & operation license (Jul. 2008)
Completion of building the surface facilities (Jun. 2009)
Approved for the partial operation of surface facilities
from regulatory body (Dec. 2009)
Approved for the use of surface facilities from local
government (Jun. 2010)
Transport 1,000 waste drums from the Ulchin NPP (Dec.
2010)
Receipt & storage building, Rad-waste building, Service building etc.
Currently 5,032 waste drums had been stored in receipt &
storage building
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Rad-waste Transport Flow Path
Waste Tracking System
Wolsong HABOR
Short Land Transportation
Short Land Transportation
Ship
Wolsong LILW Repository
Satellite Nuclear Power Plant
Waste Generated
Interim Storage
Waste drum
Pre Inspection
Transport container
· scrap metal, spent resin, concentrated liquid waste...
Silo Receipt & Storage Building
Disposal container
Inspection
Sea Transportation
N P P
H A B O R
Transportation
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Transport Equipments
Transport Ship
Length : 78.6 M
Width : 15.8 M
Total Weight : 2,600 Tons
D.W.T : 1,365 Tons
Speed : 12.0 Knots
Engine : Diesel×2
(1632 HP×2)
Capacity : Max. 1,520 Drums
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Transport Equipments
Transport Ship (Crane)
Capacity : 12.5 tons
Speed : 20 m/min
Rope : Anti-Twist Type
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Radioactive Waste Transport
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Radioactive Waste Transport
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Thank you for attention!