tunisia ghaleb ennine - international atomic energy … · email : [email protected]. 2 summary...

TECHNICAL MEETINGTECHNICAL MEETING«« COMMON CHALLENGES ON SITE SELECTION FOR COMMON CHALLENGES ON SITE SELECTION FOR NUCLEAR POWER PLANTS NUCLEAR POWER PLANTS »»

Vienna, 06Vienna, 06--0909 July 2010July 2010

Overview of STEG investigation of potential sites Overview of STEG investigation of potential sites and STEG Organization of Siting Studiesand STEG Organization of Siting Studies

Ghaleb ENNINEGhaleb ENNINEEmailEmail : : [email protected]@steg.com.tn

22

SUMMARYSUMMARYI. INTRODUCTION

II. SITING ACTIVITIES 1984-1996

III. RETAINED CANDIDATE SITES

IV. PROGRAM OF SITING EVALUATION 2008-2012

33

I. INTRODUCTION




44

The first part summarizes the main steps, related to Siting activities, achieved by STEG (the Tunisian Company of Electricity and Gas) from 1984 to 1996, with the collaboration of specialized National Organisms and external experts and external experts (IAEA and French experts), in the (IAEA and French experts), in the purpose to select the most appropriate purpose to select the most appropriate site for the first NPP.site for the first NPP.The second part demonstrates the STEG program for Siting activities 2008 - 2012.

IntroductionIntroduction

55

Siting Activities 1984 Siting Activities 1984 -- 19961996The Siting activities had consisted to the following :The Siting activities had consisted to the following :

1.1. Investigation for regions of interest along the coastal shores oInvestigation for regions of interest along the coastal shores of Tunisia f Tunisia (about 19 sites selected)(about 19 sites selected)

Regions of interest

Regional analysis

Potential Sites

Screening analysis

Candidate Sites

Rejected Areas

Rejected Areas

66

Siting Activities 1984 Siting Activities 1984 -- 199619961.1. Regions of interest :Regions of interest :The investigation extends to the whole

national shore (rivers are rare with a limited flow capacity).

Investigations for regions of interest along the Coastal shore (about 19 regions of interest selected).

Regions of interest

Regional analysis

Potential Sites ?

19 Coastal Regions of

interest

Siting Activities 1984 Siting Activities 1984 -- 199619962.2. Regional Analysis :Regional Analysis :

The The ““Regional AnalysisRegional Analysis”” to select potential sites are based on a to select potential sites are based on a compilation of literature, historical and instrumental data : compilation of literature, historical and instrumental data :

•• Geomorphology, stratigraphy, neotectonics and sismotectonic of tGeomorphology, stratigraphy, neotectonics and sismotectonic of the he northern, Center and Southern Coast of Tunisia (ONM, FNRS, INRSTnorthern, Center and Southern Coast of Tunisia (ONM, FNRS, INRST, , ENIS),ENIS),

•• Instrumental seismic data (INM, ISC),Instrumental seismic data (INM, ISC),•• Hydrology and hydrogeology (DRES),Hydrology and hydrogeology (DRES),•• Oceanography (INSTOP),Oceanography (INSTOP),•• Demography (INS).Demography (INS).

Regions of interest

Regional analysis

Potential Sites ?

Regional analysis :Regional analysis :Exclusion criteria nExclusion criteria n°°11Active or capable faults Active or capable faults or presumed capable or presumed capable

faults located at a faults located at a distance distance ≤≤ 8 Km from the 8 Km from the

sitesite

The site is rejectedThe site is rejected

Siting Activities 1984Siting Activities 1984--19961996 Seismo-tectonic Map of Tunisia

Siting Activities 1984Siting Activities 1984--19961996Regional analysis :Regional analysis :

Avoidance criteria nAvoidance criteria n°°22

Confirmed high historical sismicityConfirmed high historical sismicity



High sismicity confirmed by High sismicity confirmed by instrumental sismicityinstrumental sismicity

Instrumental seismicity (Catalog ISC 1904 – 1995)

Instrumental seismicity (Catalog ISC 1964 – 1992)


Two microseismic campaigns had been conducted at Two microseismic campaigns had been conducted at the north and the Centre (network of 7 stations type the north and the Centre (network of 7 stations type MEQ 800 and Software HYPO 71) for a period of 3,5 MEQ 800 and Software HYPO 71) for a period of 3,5 years, as results :years, as results :

Identification of more than 400 earthquakes (3 to 5 Identification of more than 400 earthquakes (3 to 5 Richter) and confirmation of some characteristics of Richter) and confirmation of some characteristics of potential faults, etc.potential faults, etc.


Exclusion criteria nExclusion criteria n°°44-- High demography near the site High demography near the site

(agglomeration (agglomeration ≥≥ 100.000 100.000 inhabitants for a distance inhabitants for a distance ≤≤ 20 Km)20 Km)

-- Industrial activity Industrial activity -- distance distance ≤≤ 1 Km1 Km-- Maritime transport Maritime transport -- distance distance ≤≤ 6 6

nautical miles)nautical miles)

The site is rejectedThe site is rejected



Ultimate Heat Sink considered not Ultimate Heat Sink considered not adequate for the NPP (shallow adequate for the NPP (shallow bathymetry, low marine bathymetry, low marine hydrodynamics, etc.). The maximum hydrodynamics, etc.). The maximum temperature of discharge temperature of discharge ≤≤ 35 35 °°CC

Siting Activities 1984 Siting Activities 1984 -- 19961996

19 Regions of interest

Regional analysis

About 10 Potential

SitesScreening analysis

4 Candidate Sites

9 Rejected Areas

6 Rejected Sites

Screening analysis :Screening analysis :Suitability multiSuitability multi--criteria (technicocriteria (technico--economic criteria)economic criteria)Site access, Electrical supply, Land characteristics , Plant layout convenience in site, etc..

1515

I. INTRODUCTION




1616

Screening analysis :Screening analysis :Retained 4 Candidate Sites (1984-

1996), but not secured at that time.

Retained Candidate SitesRetained Candidate Sites

Two sites have been discarded (Military zone and planned tourist areas).

4 Candidate Sites

Approval of Authorities

2 Selected Sites

2 Rejected Sites

After the Presidential decision to restart the NPP studies in After the Presidential decision to restart the NPP studies in 2006 :2006 :-- The 2 selected Sites will be purchased by STEG, and both The 2 selected Sites will be purchased by STEG, and both reserved for NPP projects (the most suitable Site will be reserved for NPP projects (the most suitable Site will be reserved for the first NPP and the second one for the reserved for the first NPP and the second one for the planned NPP).planned NPP).-- Siting evaluation will be conducted on both sites.Siting evaluation will be conducted on both sites.


Selected Site of the North : Marsa Douiba (120 ha)Selected Site of the North : Marsa Douiba (120 ha)

3000 m

Security area

Wadi

Antic port

1 500 m

Mountains surrounding the site


400

m

Facility area 400

m

300

m

1 500 mSecurity Zone

« Marsa Douiba » Selected Site in the North

Mountains surrounding the site


Security area

Facility area

4 000 m

2 00

0 m1 820 m 1 420 m

1 10

0 m

Retained Candidate SitesRetained Candidate SitesSelected Site of the South : Skhira (800 ha)Selected Site of the South : Skhira (800 ha)

Oil Jetty

Industrial GCT

Oil tanks

Skhira agglomeration

Road GP1

Railway

Selected Site of the south (Skhira)

Skhira Site


Eroded shore bank

Selected Site of« Skhira »


- Flat area,- Platform 15m above the sea,- Bathymetry to be investigated,- Impact of industrial and human activities.

2323

I. INTRODUCTION




Program of Siting Evaluation 2008 - 2012Managing Siting Constraints :1. NEPIO and Regulatory Body are not created yet (in preparation of

the creation laws). As a result, the necessity of defining a specific safety regulatory requirements, by using as reference the IAEA Safety Requirements.

2. The overall management programme for the site evaluation process should be re-evaluated and updated to enhance the reliability of database and effectiveness of the execution of the site investigations and assessments and engineering activities performed in the different stages of the programme,

3. A long procedure to purchase and secure the both selected sites,4. All Siting investigations should be achieved before the end of 2012.

To overcome all the aforesaid constraints, a wellTo overcome all the aforesaid constraints, a well--thought program for thought program for Siting activities has been implemented, including the following:Siting activities has been implemented, including the following:

1.1. The involvement of the maximum national organisms and InstitutioThe involvement of the maximum national organisms and Institutions, ns, backed up by international Experts,backed up by international Experts,

2.2. The setting out a Quality Management System of all project activThe setting out a Quality Management System of all project activities, ities, including siting activities ,including siting activities ,

3.3. The implementation of a peerThe implementation of a peer--review by an independent French review by an independent French committee, involving multidisciplinary experts (CEA/AFNI, BRGM, committee, involving multidisciplinary experts (CEA/AFNI, BRGM, IRSN) IRSN) and by IAEA experts,and by IAEA experts,

4.4. The preparation of a wellThe preparation of a well--thought planning taking into consideration thought planning taking into consideration the aforesaid constraints and in conformity with the aforesaid constraints and in conformity with ““Strategic Action Strategic Action PlanPlan””..

Program of Siting Evaluation 2008 - 2012

2626


Meteorological et seismological Stations have been built in both Sites, in service since September 2009.

�� Finish the Siting activities : end 2012Finish the Siting activities : end 2012

�� Terminate the feasibility study : end 2012,Terminate the feasibility study : end 2012,

�� Select the Supplier and to award the Contract : mid 2016,Select the Supplier and to award the Contract : mid 2016,

�� Pour the first structure concrete : beginning 2018,Pour the first structure concrete : beginning 2018,

�� Start up the first NPP : 2023.Start up the first NPP : 2023.


Thanks for your attentionThanks for your attention

tunisia ghaleb ennine - international atomic energy … · email : [email protected]. 2 summary...

Documents