New Korean LILW Repository

- Current Status of Radioactive Waste Management in Korea -

4th Feb. 2015 / Eunsang Park

Contents

1. Overview of the KORAD

2. Construction of the WLDF

3. Operation of the WLDF

1. Overview of the KORAD

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

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)

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

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

2. Construction of the Wolsong

LILW Disposal Facility

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

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

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

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)

The 1st

Stage Disposal Facility Profile

Disposal Area

Surface Facility

Visitor Center

Concept of Disposal

Concept of Disposal

Disposal & Closure plan

Surface Facility

Receipt & Storage Building : Receipt, Storage and Inspection

Radioactive waste Building : Treatment

Service Building : Machine shop, Garage, Substation Building etc.

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)

Construction

Excavation for silos

Construction

Current Status of Underground Facility

Operation Tunnel (1,415m)

Construction

Current Status of Underground Facility

Construction Tunnel (1,950m)

Unloading Tunnel (360m)

Construction

Current Status of Underground Facility

Silo and Crane

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

The 2nd

Stage Disposal Plan

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

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 >

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

3. Operation of the Wolsong

LILW Disposal Facility

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

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

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

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

Transport Equipments

Transport Ship (Crane)

Capacity : 12.5 tons

Speed : 20 m/min

Rope : Anti-Twist Type

Radioactive Waste Transport

Radioactive Waste Transport

Thank you for attention!