77th Annual Meeting of the International Commission on Large Dams - ICOLD
Apresentações
Dia 24-05-09
Large Dams and Harmonious Development
Autor: JIAO Yong
Vice Minister
Ministry of Water Resources, P. R. China
Manhã
The review of engineering and environmental aspects of Yangyang Pumped-Storage Power Plant in Korea
Autor: Tae-ho Kang, Seung-ha Ryu, Byung-kyu Choi
Hydro-power Department, SAMAN, KOREA
BENEFITS SHARING OF XIN’AN RIVER RESERVOIR AND ECOLOGICAL COMPENSATION Autor: Benqing Ruan
China Institute of Water Resources and Hydropower Research (IWHR)
INVENTORY OF LOCAL INITIATIVES
Mira River Basin - Ecuador Autor: Amparo Ismodes
MULTIPURPOSE HYDRAULIC SCHEMES FOR WATER SUPPLY OF MOSCOW MEGALOPOLIS Autor: А.Е.ASARIN, K.N.BESTUZHEVA
INSTITUTE HYDROPROJECT, Moscow
Large Multipurpose Reservoirs Autor: Ferdinand Budweg
Decision Support System for Basin Reservoirs System Operation in Korea Autor: Dr. Ick Hwan KO
K-water Institute, Korea
THE DOUBLE PURPOSE SANTA FÉ DAMS AND POWER PLANT Autor: FLAVIO MIGUEZ DE MELLO
Implementing integrated water resources management in the biggest catchments of IRAN Autor: Ali Heidari
Eisa Bozorgzadeh
Nader rezaee
Iran water and Power resources Co.
THE CONTRIBUTION OF DAM ENGINEERING TO SUSTAINABLE WATER RESOURCES DEVELOPMENT Autor: LUIZ BERGA - ESPANHA
Achievements on Chinese Dam Construction and Their Integrated Development Benefits Autor: Dr. JIA Jinsheng, GuoJun, GaoJizhang
China Institute of Water Resources and Hydropower Research (IWHR)
Tarde
BARRAGENS E REPRESAS MULTIUSO Autor: Marcos COSTA
Alstom
ENVIRONMENTAL INFLUENCE TO THE PROJECT DESIGN, A STUDY CASE ON ASAHAN NO.3 HYDROPOWER PROJECT INDONESIA Autor: Mas’ud Marsam
INDONESIA
DAM SAFETY INSTITUTIONAL AND LEGAL FRAMEWORK FOR BRAZIL – A PROPOSAL Autor: Rogério de Abreu MENESCAL
Water Resources Specialist – National Water Agency
Daniel Sosti PERINI
Researcher – University of Brasília
Antônio Nunes de MIRANDA
Consultant
Gilberto Valente CANALI
Consultant
Vicente de Paula Pereira Barbosa VIEIRA
Professor - Ceará Federal University
APLICAÇÃO DO GEOPROCESSAMENTO NA ESTIMATIVA DA EROSÃO LAMINAR NAS SUB-BACIAS DO RIO CORUMBÁ Autor: ELMAGNO CATARINO SANTOS SILVA, MSc.
DAM SAFETY - THE MAIN ELEMENT FOR ANY SUSTAINABLE STORAGE PROJECT Autor:Martin WIELAND
Chairman, ICOLD Committee on Seismic Aspects of Dam Design
Poyry Energy Ltd., Zurich, Switzerland
R. Peter BRENNER
Past Chairmen ICOLD Committee of Dam Foundations
Consultant, Weinfelden, Sitzerland
CESP HYDROELECTRIC POWER PLANTS Autor: IRAMIR PACHECO
INVENTORY OF RESERVOIRS IN BRAZIL Autor: Rogério de Abreu MENESCAL
Daniel Sosti PERINI
Morris Scherer-WARREN
Margareth Sílvia Benício de Souza CARVALHO
Eduardo Sávio Passos Rodrigues MARTINS
Ana Maria Lebre SOARES
Luiz Carlos Guerreiro CHAVES
Francisco de Assis Jorge de OLIVEIRA
MODELING THE TRANSPORT OF SUSPENDED SEDIMENTS AND ITS CONTROL IN SOYANG RESERVOIR (KOREA) Autor: S. W. CHUNG
Associate Professor, Chungbuk National University, KOREA
I. G. RYU
Graduate Student, Chungbuk National University, KOREA
K. T. YUM
Director, Department of Dam and Watershed Management, K-Water, KOREA
May 12,2008 Wenchuan Earthquake Autor: Dr. Martin Wieland
Chairman, ICOLD Committee on Seismic Aspects of Dam Design
Poyry Energy Ltd., Zurich, Switzerland
Incorporating Operational Considerations in Water Resources Allocation Agreements Autor:C. Ntuli & B Mwaka
Department of Water Affairs & Forestry (South Africa)
Dia 25-05-09
Manhã
WELCOME 23rd INTERNATIONAL CONGRESS ON LARGE DAMS Autor: LUIZ BERGA - ESPANHA
Tarde
Tidal plants may be 20% of future Hydropower Autor: F. Lempérière (France)
Dams for Hydroelectric Energy - General Report Autor: Giovanni Ruggeri
THE INFUENCE OF HYDROPOWER IN THE BRAZILIAN DEVELOPMENT Autor: Cássio B. Viotti
Independent Consultant
Honorary President of ICOLD
Better and Faster Development of Hydropower in China Autor: Cao Guangjing Li Wen-wei
China Three Gorges Project Corporation
NEEDS FOR HYDROPOWER DEVELOPMENT IN AFRICA Autor: NOMBRE ADAMA
CHAIRMAN OF BURKINA FASO COMMITTEE ON DAMS
PAST VICE PRESIDENT OF ICOLD
Development of La Romaine Hydroelectric Project, situated in Northern Quebec, Canada Autor: Jean-Pierre Tournier, ing. PhD and Vlad Alicescu, ing. MBA
The status of Hydropower in
Nigeria with case study of Shiroro
hydropower station Autor: James O Akanmu, PhD, FNSE
AN UPDATE ON WORLD BANK ACTIVITIES: WATER RESOURCES AND DAMS Autor: Alessandro Palmieri – Lead Dams Specialist
PORTUGUESE PROGRAM OF DAMS WITH HIGH HYDROELECTRIC POTENCIAL Autor: Pereira da Silva, A.; Cruz de Morais, J.; Oliveira, R.
COBA, International Engineering and Environmental Consultants
TEHRI PUMPED STORAGE PLANT PROJECT THE CHALLENGE OF HIGH HEAD VARIATIONS Autor: Boris SMONDACK
Project Engineer, COYNE ET BELLIER, France
Daniel FAYOLLE
Partner, POWER CONSULTING ASSOCIATES, France
Sabha Kant SHUKLA
Director Technical, TEHRI HYDRO DEVELOPMENT CORPORATION, India
G.M. PRASAD
General Manager Civil and HM Design, TEHRI HYDRO DEVELOPMENT CORPORATION, India
TAUM SAUK PUMPED STORAGE PROJECT Autor: DR. PAUL C. RIZZO, P.E.
Dia 26-05-09
Manhã
The main focus of CFRD design and construction Autor: Xu Zeping
China Institute of Water Resources and Hydropower Research (IWHR)
The Hydro-electric Potential of Russia and Prospects for Its Use. Autor: V.Yu. Sinugin, Deputy Minister, Ministry of Energy of Russia.
R.M. Khaziahmenov, Member of the Management Board of JSC “RusHydro”.
E.N. Bellendir, Director General, JSC Vedeneev VNIIG.
G.G. Lapin, Advisor of Chairman of the Management Board of JSC “RusHydro”.
V.A. Pekhtin, Chair, RusCOLD.
Ghatghar pumped-storage project, India Autor:V.V. Gaikwad
Secretary, GoMWRD, Maharashtra, India
V.C. Shelke
Chief Engineer, Koyna Project, GoMWRD, Maharashtra, India
S. Sapre
Deputy Director (Projects), Patel Engineering, Maharashtra, India
Dr M.R.H. Dunstan
Malcolm Dunstan & Associates., Devon, United Kingdom
SLUICE TYPE SPILLWAYS Hydroeletric Projects Optimization Autor: JOSÉ BACALTCHUK SOBRINHO
Case study : SafSaf dam in Eastern Algeria Autor: Thibaut GUILLEMOT
ISL Ingénierie
Swedish Hydropower Center " securing future competence " Autor: Claes-Olof Brandesten
A MULTIPURPOSE LOWER SAVA RIVER PROJECT IN SLOVENIA Autor: Andrej Širca
Zdenko Josipovič
Krešimir Kvaternik
Iztok Močnik
Dušan Somrak
Niagara Power Project a Success Story of International Cooperation Autor: William Broderick, USA
Watershed cumulative effect assessment: the case of dam infrastructure along the Santiago river in subtropical Western Mexico Autor:Javier Clausen
Sergio Contreras
NoeParedes
Hector Gómez
ITESO & Center of Biological and Agricultural Sciences (CUCBA),
University of Guadalajara, Mexico.
VERIFYING THE SOCIAL IMPACTS OF THE BERG RIVER DAM: A COMPARATIVE ANALYSIS OF THE PREDICTIONS AGAINST THE ACTUAL IMPACTS Autor: Nigel Rossouw
TRANS-CALEDON TUNNEL AUTHORITY
STUDIES FOR THE DIQUIS HYDROELECTRIC PROJECT IN COSTA RICA Autor: M. Arulanda
SUSA GORGE: A DEMODULATION RESERVOIR FOR PONT VENTOUX PUMPED STORAGE POWER PLANT Autor: Ezio Baldovin
Geotecna Progetti- Consulting Engineers – Milano
Nicola Brizzo
Iride Energia – Torino ITALY
Good practices in social and environmental issues
Nam Theun 2 Hydropower Project Lao PDR Autor:
Tarde
Management of Siltation in Existing and New Reservoirs Autor:Sultan Alam
Independent Consultant, France
Turbidity currents at the origin of reservoir sedimentation- Case Studies Autor: Prof. Dr. Anton SCHLEISS
Jolanda M.I. JENZER ALTHAUS, Giovanni DE CESARE and Jean-Louis BOILLAT
Laboratory of Hydraulic Constructions - LCH Ecole Polytechnique Fédérale de Lausanne - EPFL
Reservoir Sedimentation and Its Control Autor: Qingchao GUO, PhD,
Prof. of China Institute of Water Resources and Hydropower Research (IWHR)
Wenhong CAO, PhD,
Prof. of IWHR
BEST PRACTICE FLUSHING STRATEGY AT THE UPPER RIVER MUR Autor: Helmut Knoblauch, Guenther Heigerth
Graz University of Technology Institute of Hydraulic Engineering and Water Resources Management
Sediment Deposition in the Chivor Reservoir Autor: Juan J MARINO
DESENVASEMENT DE LA RETENUE DU BARRAGE MECHRA HOMADI (MAROC) Autor: Direction des Aménagements Hydrauliques, Secrétariat d’Etat Chargé de l’Eau et de l’Environnement, MORROCO
Chef d’Aménagement: M. Kettani Mohamed
Chef de projet: M. Ferhan M’jid
EVALUATION OF THE SILTING DEGREE AND OF THE MEASURES FOR PREVENTION AND CONTROL OF THE PHENOMENON AT STORAGE RESERVOIRS IN ROMANIA Autor: Nicolae DASCALESCU
Iulian Dan ASMAN
Gabriela DIMU
Cost analysis of sediment by passing, dredging or flushing Autor: F. Lempérière (France)
Identification, Assessment and Successful Implementation of Reservoir Sedimentation Management Strategies Autor: George W. Annandale, Golder Associates
Alessandro Palmieri, World Bank
Dia 27-05-09
Manhã
RESERVOIR SEDIMENTATION 1-D MODEL STUDY-1 Autor: Foad Hussain
National Development Consultant (NDC) - Pakistan
Sediment Production in South America and the siltation rates in the Brazilian reservoirs Autor: Fernando Campagnoli, PhD
CTH/EPUSP
SILTATION IN HIGH ASWAN DAM RESERVOIR OF EGYPT Autor:Eng. A.M.Shalaby
Consultant, Secretary Egyptian Committee ( ENCOLD )
NUMERICAL ANALYSIS OF EFFECTS OF SLIUCE GATE LOCATION ON EFFICIENCY OF SEDIMENT REMOVAL FROM DAM RESERVOIR Autor: M. Hajhoseini, A. A. SalehiI Neyshaburi, K. Ghazanfari, M. A. Mohammad Mirzaei
THE SILTING PROBLEM FOR RESEVOIRS OF LARGE ITALIAN DAMS Autor: Rosella Caruana
Characterization of Humic Substances on The Bottom Dam Reservoir and Their Effective Utilization Autor: Takashi TOYODA
Previous President of JCOLD
Takeshi KOMAI and Mio TAKEUCHI
National Institute of Advanced Industrial Science and Technology
Masami FUKUSHIMA
Graduate School of Engineering, Hokkaido University
Yuji SAKAI
Department of Environmental Chemical Engineering, Kougakuin University
Shigeru UEDA, Shigekazu HORIYA,
and Ryouichi SAKAKIYAMA
Eco-Green Co., Ltd.
Hideki OHTA
Professor, Tokyo Institute of Technology
Tarde
Upgrading of existing dams Autor: G.R. Maria Bartsch
Pirapora Lake Piercing Tunnel Autor: Ferdinand Budweg (Brazil)
Engineering a fusegated Spillway Autor: Sébastien LACROIX
Increasing The Capacity Of Small Reservoirs By Concrete Fuseplugs: The Saloun Dam Autor: Michel Ho Ta Khanh
Massingir dam bottom outlets accident (May 2008) Autor: Carlos BONETE, Project Director, ARA-Sul
(Administração Regional de Aguas do Sul), Moçambique
Bernard GOGUEL, Chairman ICOLD Committee for Dam Surveillance, COYNE ET BELLIER, France
Patrice ANTHINIAC, Project Manager, COYNE ET BELLIER, France
Lessons learnt from the design and constructions of the first PKW spillways Autor: Federic Laugier(France)
UPGRADING THE EXISTING DAMS- CHALLENGES FACE BY THE SRI LANKAN DAM ENGINEERS Autor: Badra Kamaladasa
Secretary/SLNCOLD
Department of Irrigation
Sri Lanka
Upgrading by a downstream berm to improve the defence from internal erosion,Swedish application Autor: Åke Nilsson
Sweden
Leakage in clay fills Autor: Luc DEROO
ISL Ingénierie
Embankment dams and foundation -
Improvement of monitoring by the use of temperature measured along fiber optics
Autor: Christophe VEDRENNE – France
Upgrading of monitoring to improve the detection of an instability of a dyke with a fiber optics system Autor: André KOELEWIJN
Jean-Jacques FRY
Olivier ARTIÈRES
Paul ROYET
Dia 28-05-09
Manhã
Seismic Safety Evaluation and Upgrading of Arch Dams Autor: Anil K. Chopra and Larry Nuss
Inelastic Seismic Analysis of Intake Towers Autor: Francisco Lopez
GHD, Australia
A cracked concrete dam – Analysis, measurements and upgrading actions Autor: Tomas Ekström
EnergoRetea, Sweden
NEW METHODS FOR DESIGN AND MAINTENANCE OF DRAINAGE SYSTEM Autor: Alberto Gonzalo (SPAIN)
INCREASING RESERVOIR CAPACITY OF WEDBILA DAM BY CONCRETE FUSEPLUGS Autor: MR ADAMA NOMBRE
Chairman of the Burkina Committee on Dams
Vice president of ICOLD
MR FRANCOIS LEMPERIERE
MR JEAN PIERRE VIGNY
MR KABORE MOUSSA
Flag Boshielo Dam Autor: Chris Oosthuizen
SURELEVATION DU BARRAGE SIDI MOHAMED BEN ABDELLAH Autor: Ahmed F. CHRAIBI
Khaled TENOURI
Maroc (Morocco)
HENGSHAN CLAY CORE GRAVEL-FILL DAM HEIGHTENED USING CONCRETE FACE ROCKFILL DAM Autor: Neng-hui LI
Research Professor
Nanjing Hydraulic Research Institute Hong-tao LI
Senior Engineer
Zhejiang Province Surrey Design and Research Institute
CHINA
Upgrading of San Vicente Dam by Heightening with RCC Autor: Micheal Rogers (USA)
Tarde
Dam Safety Management - General Report Autor: Przemyslaw A. Zielinski
Canada
The dangers studies in new French regulations on dams and levees safety Autor: G. DEGOUTTE, P. ROYET Cemagref
P. LE DELLIOU, BETCGB (Large Dam Design and Control Bureau)
Ph. CRUCHON, CTPBOH (Permanent Technical Committee on Dams and Water-Retaining Structures)
N. MONIÈ , Ministry for Sustainable Development
Safety Standard and Safety Measures Autor: Torbjörn Thedéen KTH Sweden
Legislation - A Time of Change In the UK Autor: Dr Andy Hughes
RELATIONSHIP BETWEEN DETERMINISTIC SAFETY ASSESSMENTS AND PROBABILISTIC RISK ASSESSMENTS IN DAM SAFETY MANAGEMENT Autor: Dr. D.N.D. Hartford
Canada
A Joint Approach by US Bureau of Reclamation, Federal Energy Regulatory Commission, and US Army Corps of Engineers Autor: E. Halpin
Duero River Authority experience on risk analysis and risk evaluation – discussion of results in the Carrion System Autor:Dr. Ignacio Escuder Bueno
Profesor Titular, Universidad Politecnica de Valencia
RELIABILITY-BASED ANALYSIS METHOD FOR STRUCTURAL SAFETY OF GRAVITY DAMS Autor: Paul Royet, Laurent Peyras, Cemagref
Claudio Carvajal, Jean-Pierre Becue, SAFEGE
Which impact of costs analysis on floods risk assessment and management? Autor: F. Lempérière (France)
THE IRAPÉ HYDROELECTRIC PROJECT WAS AWARDED THE PUENTE DE ALCANTARA INTERNATIONAL PRIZE Autor: Brasil Pinheiro Machado
Dia 29-05-09
Manhã
SAFETY MANAGEMENT AND SEISMIC SAFETY EVALUATION FOR DAMS IN JAPAN Autor: Yoshikazu YAMAGUCHI, Dr. Eng.
Public Works Research Institute, JAPAN
Use of monitoring data to adapt the operation of dams to their behaviour and improve their safety Autor: Jean-Paul Fabre
EDF - France
CASE STUDY: SEEPAGE ANALYSES OF MASJED SOLEYMAN DAM Autor: FARDIN JAFARZADEH
Associate Professor, Dept. of Civil Eng., Sharif University of Technology
Head of Dam Design Management Dept., Moshanir Power Eng. Co.
Farzad Ferdos
Graduate Researcher, Dept. of Civil Eng., Sharif University of Technology
Ali Soleimanbeigi
Chief Engineer, Embankment Dam Dept., Moshanir Power Eng. Co.
Remote Monitoring of Dams in Austria - Philosophy and Solutions Autor: Rudolf Melbinger
Advisory Board on Dams, Republic of Austria
Analysis of Arch Dam Deformations Autor: P. Obernhuber (Austria)
NAMIBIA,ENTERING THE DAM SAFETY ARENA Autor: CLOETE Namibia
Emergency Preparedness Planning in Swedish Rivers - developments and experiences Autor: Anna Engström Meyer, Vattenfall Power Consultant
Maria Bartsch, Svenska Kraftnät
Romanas Ascila, SWECO
Petter Stenström, WSP
Mattias Jender, SWECO
DAM SAFETY, CONSEQUENCES OF DAM FAILURE, AND MEASURES FOR RISK REDUCTION Autor: Martin WIELAND
Chairman, ICOLD Committee on Seismic Aspects of Dam Design
Poyry Energy Ltd., Zurich, Switzerland
Rudolf MUELLER
Dam Safety Expert, AF-Colenco Ltd., Baden, Switzerland .
MANAGEMENT OF FLOODS DOWNSTREAM OF DAMS THROUGH VIRTUAL REALITY SIMULATION Autor: Dr. D.N.D. Hartford
Canada
Extending Emergency Planning for Dams in Switzerland Autor: Georges R. Darbre, Commissioner for Dam Safety, Switzerland
Tarde
80th Annual Meeting - 24th Congress in Kyoto - 2012 Autor: JCOLD
Homenagem V. Mello Autor: Cássio Votti
SYMPOSIUM ON DAMS AND RESERVOIRS FOR MULTIPLE PURPOSES
Apresentações
Dia 24-05-09
Large Dams and Harmonious Development - Case Studies in China Autor: JIAO Yong
Vice Minister
Ministry of Water Resources, P. R. China
Manhã
Achievements on Chinese Dam
Construction and Their
Integrated Development Benefits Autor: Dr. JIA Jinsheng, GuoJun, GaoJizhang
China Institute of Water Resources and Hydropower Research (IWHR)
The review of engineering and environmental aspects of Yangyang Pumped-Storage Power Plant in Korea Autor: Tae-ho Kang, Seung-ha Ryu, Byung-kyu Choi
Hydro-power Department, SAMAN, KOREA
BENEFITS SHARING OF XIN'AN RIVER RESERVOIR AND ECOLOGICAL COMPENSATION Autor: Benqing Ruan
China Institute of Water Resources and Hydropower Research (IWHR)
INVENTORY OF LOCAL INITIATIVES - Mira River Basin - Ecuador Autor: Amparo Ismodes
MULTIPURPOSE HYDRAULIC SCHEMES FOR WATER SUPPLY OF MOSCOW MEGALOPOLIS Autor: А.Е.ASARIN, K.N.BESTUZHEVA
INSTITUTE HYDROPROJECT, Moscow
Large Multipurpose Reservoirs Autor: Ferdinand Budweg
Decision Support System for Basin Reservoirs System Operation in Korea Autor: Dr. Ick Hwan KO
K-water Institute, Korea
THE DOUBLE PURPOSE SANTA FÉ DAMS AND POWER PLANT Autor: FLAVIO MIGUEZ DE MELLO
Implementing integrated water resources management in the biggest catchments of IRAN Autor: Ali Heidari
Eisa Bozorgzadeh
Nader rezaee
Iran water and Power resources Co.
THE CONTRIBUTION OF DAM ENGINEERING TO SUSTAINABLE WATER RESOURCES DEVELOPMENT Autor: LUIZ BERGA - ESPANHA
Tarde
ENVIRONMENTAL INFLUENCE TO THE PROJECT DESIGN, A STUDY CASE ON ASAHAN NO.3 HYDROPOWER PROJECT INDONESIA Autor: Mas’ud Marsam
INDONESIA
DAM SAFETY INSTITUTIONAL AND LEGAL FRAMEWORK FOR BRAZIL – A PROPOSAL Autor: Rogério de Abreu MENESCAL
Water Resources Specialist – National Water Agency
Daniel Sosti PERINI
Researcher – University of Brasília
Antônio Nunes de MIRANDA
Consultant
Gilberto Valente CANALI
Consultant
Vicente de Paula Pereira Barbosa VIEIRA
Professor - Ceará Federal University
APLICAÇÃO DO GEOPROCESSAMENTO NA ESTIMATIVA DA EROSÃO LAMINAR NAS SUB-BACIAS DO RIO CORUMBÁ Autor: ELMAGNO CATARINO SANTOS SILVA, MSc.
DAM SAFETY - THE MAIN ELEMENT FOR ANY SUSTAINABLE STORAGE PROJECT Autor:Martin WIELAND
Chairman, ICOLD Committee on Seismic Aspects of Dam Design
Poyry Energy Ltd., Zurich, Switzerland
R. Peter BRENNER
Past Chairmen ICOLD Committee of Dam Foundations
Consultant, Weinfelden, Sitzerland
CESP HYDROELECTRIC POWER PLANTS Autor: IRAMIR PACHECO
INVENTORY OF RESERVOIRS IN BRAZIL Autor: Rogério de Abreu MENESCAL
Daniel Sosti PERINI
Morris Scherer-WARREN
Margareth Sílvia Benício de Souza CARVALHO
Eduardo Sávio Passos Rodrigues MARTINS
Ana Maria Lebre SOARES
Luiz Carlos Guerreiro CHAVES
Francisco de Assis Jorge de OLIVEIRA
MODELING THE TRANSPORT OF SUSPENDED SEDIMENTS AND ITS CONTROL IN SOYANG RESERVOIR (KOREA) Autor: S. W. CHUNG
Associate Professor, Chungbuk National University, KOREA
I. G. RYU
Graduate Student, Chungbuk National University, KOREA
K. T. YUM
Director, Department of Dam and Watershed Management, K-Water, KOREA
May 12,2008 Wenchuan Earthquake Autor: Dr. Martin Wieland
Chairman, ICOLD Committee on Seismic Aspects of Dam Design
Poyry Energy Ltd., Zurich, Switzerland
Incorporating Operational Considerations in Water Resources Allocation Agreements Autor:C. Ntuli & B Mwaka
Department of Water Affairs & Forestry (South Africa)
