Site Visit of the Energy Project ... the GAMBIA ... Where Are
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Kaolack KAFFRINE Birkilane L1b L1a Koungheul L3a Kedougou (Senegal) - Mali (Guinea) L6b Tambacoundaa KAOLACK D1 TAMBACOUNDA A single-circuit line 59 km long, supported Site visit of GAMBIA RIVER BASIN DEVELOPMENT THE GAMBIA ORGANISAbyTION 152 triangular towers. 26 km are in the KANIFING CENTRAL RIVER ORGANISATION POUR LA MISE EN VALEUR DU FLEUVE GASenegaleseMBIE territory and 33 km in Guinea. No UPPER RIVER L2 the Energy Project ... Energy Project Brikama Soma WEST COASTT L7 SENEGAL construction activities have yet started on L6a this section because of problems related to SEDHIOU KOLDA the bypass of the "Bassari country", which is ZIGUINCHOR ... where are we? KEDOUGOU OMVG Tana a UNESCO-protected site, measures aimed at LD1 protecting areas identified as natural habitats for Sambangalou L5d ORGANISATION OOIO GUINEABISSAU chimpanzees, change to the delineation due to rior to our visit to the work sites in The Gambia, Guinea-Bissau, Guinea and BAFATA POUR LA MISE EN VALEUR L3a the substation site relocation from Sambangalou Senegal, it should be mentioned that OMVG’s new transformer substations Mansoaoa GABU P BBambadinca DU FLEUVE GAMBIE CACHEU L5c L5e Mali to Kedougou, etc.). - Projet Energie - are built on surfaces measuring between 2 and 15 ha, all fully free of Bissau L5b environmental burdens and constraints. Accommodation for future operating Saltinho L3b Tanaff (Senegal) - Soma (The Gambia) GAMBIA RIVER BASIN P1b Tambacounda and Kedougou substations L6aLABE and on-site maintenance staff is under construction at all substations GUINEA DEVELOPMENT (Sambangalou) A single-circuit line 95.22 km long, supported by 205 throughout the OMVG loop. Labé ORGANISATION TOMBALI BOKE triangular towers. The foundations are already in place The Tambacounda substationL5a will ensure the connections - Energy Project - All OMVG positions are expandable and may be connected to future producers with the Senelec substations in Kolda and Kaolack, the OMVS and the assembly and lifting works have started. 90 km of of electrical energy or new consumers to meet the ever-increasing electrical this section areFARANAH in Senegalese territory and 5.22 km in the ORGANIZAÇÃO network and the Kedougou Boksubstationé of the OMVG loop. energy needs in the region. L3c PARA A VALORIZAÇÃO The Kedougou substation is to ensure the evacuation of the Gambia. This line crosses the Casamance River and some MAMOU of its branches, where it is planned to build pile foundations DO RIO GÂMBIA Regarding interconnection, 4,000 pylons, ranging from 35 m to 110 m in height, energy that will be produced from theL4b future SambangalouKaleta KINDIA and erect towers suitable for this type of crossing. It has - Projeto Energia - will connect the 1,677 km of lines with an average range of 500 m to 812 m for hydroelectric power plant and will also serve as a liaison with Linsan L4a experienced start-up difficulties due to COVID-19 and the special crossings, such as that of the Gambia River. the Tambacounda and Mali (Guinea) substations of the OMVG D1 loop. Both substations are equipped with six 33 kV feeder adverse weather conditions of the 2020 rainy season. bays for the distribution of electrical energy in the regions of Completion date: End of 1st quarter of 2021 Tambacounda, Kedougou and their localities. L6b Soma (The Gambia) - Birkelane (Senegal) Tambacounda completion date: 4th quarter of 2020 A single-circuit line 83.8 km long, supported by 185 Kédougou completion date: 1st half of 2021 triangular towers. The foundations have already been laid, all the towers assembled and lifted and 69 km of conventional THE GAMBIA D1 Dispatching Centre (Emergency Control Centre) in ground wires and fibre optic cables unrolled. This section, of Tambacounda (Lot D1) which 24 km are on Gambian territory, crosses the Gambia Kaolack KAFFRINE River in Gambia, the Kaymor and the Grand Bao Bolon in Birkilane L1b L1a As part of the construction works for the Tambacounda and Koungheul Senegal. It is planned to build pile foundations at these L6b Tambacoundaa Kedougou substations of sub-lot P1b, the construction of the KAOLACK D1 locations and to install suitable towers for these crossings. TAMBACOUNDA building that will house the equipment of the Dispatching GAMBIA RIVER BASIN DEVELOPMENT This lot has experienced start-up difficulties due to COVID-19 THE GAMBIA ORGANISATION Centre is underway. KANIFING CENTRAL RIVER ORGANISATION POUR LA MISE EN VALEUR DU FLEUVE GAMBIE and the adverse weather conditions of the 2020 rainy season. UPPER RIVER L2 Energy Project Completion date : October 2021 Brikama Soma Completion date: End of 1st quarter of 2021 WEST COASTT L7 SENEGAL L6a 700 km power transmission line carried by 1,236 SEDHIOU KOLDA L ZIGUINCHOR KEDOUGOU towers passing by Kaolack, Kaffrine, Tambacounda, Contracting companies Tana Brikama transformer station construction site Kedougou and Sedhiou (L1, L2,L3a, L6) • KEC International, Indian company incumbent of the 6 Sambangalou Soma and Brikama transformerL5d GUINEABISSA substationsU Lots contracts (2 Lots of 4 substations P1a and P1b P OOIO L1a Birkelane - Tambacounda BAFATA (Lot P2 - 2 stations) L3a and 4 Lots of lines L1a, L1b, L6a and L6b) Mansoaoa BBambadinca GABU A single-circuit line 223 km long, supported by 475 CACHEU L5c The Soma substation transmitsL5e electrical energy between the L7 143 km powerMali transmission lines connecting triangular towers. Les travaux ont été exécutés à 98,1% • Consortium VINCI TTE - CEGELEC, a Franco-Moroccan Bissau L5b joint venture that was awarded the contract for the L2 networks of OMVG, Senelec (National Electricity Company of Brikama and Soma stations (L7) Saltinho L3b L1b Kaolack - Birkelane, lines Lot Senegal) and NAWEC (National Electricity Company of The The entire 143LABE km double circuit line is located in The Gambia Gambia). These two stations are each equipped with 6 33 kV GUINEA A double-circuit line 35.5 km long, supported by 80 • SIEMENS SA, a company incorporated under Belgian law, and carried by 300 double-flagged pylons. feeders for the distribution of electricalTOMBALI energy in the regions Labé double-circuit vertical-formation towers. 99.72% of the holder of the Dispatching Lot (Backup Control Centre) L5a BOKE The execution of this section suffered from the pandemic and of Soma, Brikama and surroundings. work was executed. contract in Tambacounda its effects (closure of borders, especially with Senegal, where For these 2 sub-lots, the finishing work and the restoration The work of this lot, which had been Bokprogressingé at a most of the aggregates andF ARANAHother construction materials L3c of the natural environment along the corridor have yet to be steady pace since its inception, was slowed down by the come from), forcing the contractor to stop the work on site MAMOU completed. COVID-19 pandemic, which led to the closure of theL4b borders. Kaleta and evacuate its supervisory staff who is mainly expatriate. Consequently blocking the transport and delivery of KINDIA CompletionLinsan date: End of 2021 L2 Tambacounda - Kedougou aggregates from Senegal to The Gambia, in addition to the L4a D1 A single-circuit line 244 km long, supported by 597 considerable reduction in the number of on-site personnel, triangular towers. The towers’ foundations are at a very which slowed down the works thus delaying completion Contracting companies advanced stage and the assembly and lifting works have deadlines for the 2 posts. started. The line’s construction has experienced difficulties Work resumed with constraints such as mandatory compliance • The EIFFAGE ENERGIE - ELECNOR Group (GME),Franco- related to environmental and social aspects (bypass of the with barrier measures to avoid staff contamination and the Spanish joint venture, holder of the Lot P2 contract Niokolo Koba National Park and Kedougou airport, etc.). hazards caused by the exceptional rainfall of this year 2020. • The VINCI TTE - CEGELEC Group, Franco-Moroccan joint Completion date: End of 2021 Equipment of the Kaolack transformer station Completion date: October 2021 venture, holder of the Lot L7 contract Energy Project Management Unit, Cité Keur Gorgui, Villa N-4/03 Rosy Sacré-Cœur, Dakar Sénégal - Tél. : (221) 33 821 08 30 / 77 639 76 99 - [email protected] - www.pe-omvg.org Kaolack KAFFRINE Birkilane L1b L1a Koungheul L6b Tambacoundaa KAOLACK D1 TAMBACOUNDA GAMBIA RIVER BASIN DEVELOPMENT THE GAMBIA ORGANISATION KANIFING CENTRAL RIVER ORGANISATION POUR LA MISE EN VALEUR DU FLEUVE GAMBIE UPPER RIVER L2 Brikama Energy Project • L3c. Labé - Linsan, 120 km of double circuit line carried by 301 WEST COASTT Soma P4b Mali, Labé & Extension of Linsan stations GUINEAL7 -BISSAU SENEGAL double-flag type pylons. Foundation work has started. L6a The Mali station has two 225 kV line spans to connect to the SEDHIOU KOLDA L3 Completion: December 2021 ZIGUINCHOR Kédougou and Labé stations. The groundworks lasted longer KEDOUGOU Tana than expected (13 months instead of the 6 planned) due L4 Linsan - Boké Sambangalou to the nature of the ground (bowal) which turned out to be L5d Contracting companies 242 km of line carried by 597 pylons. This lot was OOIO GUINEABISSAU extremely tough and difficult to develop. To date, the platform BAFATA subdivided into 2 sub-lots: L3a is fully completed as well as several foundations of the main Mansoaoa BBambadinca GABU • The EIFFAGE ENERGIE - ELECNOR Group (GME), Franco- CACHEU L5c L5e SpanishMali joint venture, holder of the Lot P3 contract electrical equipment of the external station. • L4a. Linsan - Kaleta, 114 km of double circuit line supported by Bissau L5b 287 pylons. The foundations are well underway and the lifting of • The VINCI TTE - CEGELEC Group, Franco-Moroccan joint The Labé substation’s right-of-way is the last of all the stations the pylons will take place at the end of the rainy season. Saltinho Kaolack KAFFRINEL3b Birkilane venture,LABE holder of the Lot L5 contract to be freed (March 04, 2020. The start of work was hampered • L4b.