Mauritania - 225 kV Line Nouakchott - Zouerate and Associated Substations

The project consists of the construction of one 225 kV HV line between Nouakchott and Zouerate and the associated substations. It comprises two lots:

Lot 1: Electric Lines

• 225 kV line between the Nouakchott Dual-Fuel Power Station and Akjoujt, a double circuit line of approx. 248 km of length
• 225 kV line between Akjoujt and Atar, a double circuit line of approx. 175 km of length
• 225 kV line between Atar and Zouerate, a double circuit line of approx. 247 km of length
• 33 kV line between Atar Substation and the City of Atar with an approx. length of 39 km

Lot 2: Associated Electrical Substations

• Extension of the 225 kV Substation "NKT Centrale Nord" in Nouakchott
• Construction of a new 225/33 kV substation in Akjoujt
• Construction of a new 225/33 kV substation in Atar
• Construction of a new 225/33 kV substation in Zouerate

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intec's services

The Consultant's services particularly refer to:

• Review of the tender dossiers
• Organisation and coordination of the project
• Assessment / validation of the technical documents and studies prepared by the Contractors
• Control and supervision of construction works
• Inspection of manufacture and supervision of the transportation of the equipment
• Supervision of commissioning of the works
• Preparation of operation and maintenance manuals
• Assistance during the guarantee period
• Reports
• Training of SOMELEC's staff on management and supervision of the project.

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Client

Société Mauritanienne d'Electricité (SOMELEC)

Financing

Arab Fund for Economic and Social Development (AFESD)

Period of implementation

09.2018 - 06.2022

Benin - Regional and Cotonou Electrical Distribution Grid Strengthening

The overall purpose of the project is the reinforcement and rehabilitation of the existing electricity distribution system in and around Cotonou and in the regional cities of Parakou, Natitingou, Djougou, and Porto Novo, including conducting the Environmental and Social Assessments (ESIAs) for this work. Works are divided into three activities and include inter alia the following technical measures:

Regional Grid Strengthening Activity:

• New 161 kV infeed including switchgear and transformer, installation of a new 33 kV substation in Natitingou;
• Modification and upgrade from 20 to 33 kV of some 120 km of rural OHL connections near Parakou;
• Upgrade of existing 161 kV installations and upgrade of some 140 km of rural OHLs and associated transformers from 20 to 33 kV in the Djougou area;
• New 63 kV connection, related switchgear modifications, upgrade of some 130 km of rural MV connections from 15 to 33 kV and replacement of associated transformers in the Porto Novo area;
• General network improvements;

Cotonou Grid Strengthening Activity: new lines, new switchgears, new substations and city network extension (63 kV connections and cable ring, 15 kV and LV connections, new 63 kV switchgear, new transformers 161/63/15 kV, etc.)

National Electricity Dispatch Activity: design and construction of a national distribution control centre and related design activities in the new substations of the other grid strengthening activities.

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intec's services

"Base Period": Studies, detailed design, elaboration of tender documents and contract award

• Data collection and establishment of reference studies, basic mapping, revision of network modelling and of load distribution
• Preliminary design, technical specifications and cost estimates
• Elaboration of technical specifications for the tender documents
• Support during tendering and contract award for 6 different lots

"Option A": Design review, construction supervision, testing, commissioning and taking-over

• Supervision of construction works and monitoring of works progress
• Factory acceptance tests, supervision of commissioning and final testing, notification of defects

"Option B": Design and installation of a distribution network data collection system in support of the independent evaluation works and of SBEE's operations

• Identification of data collection needs
• Technical specifications and design of the data collection system
• Installation, capacity building and handingover of the system.

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Client

Millennium Challenge Account-Benin II (MCA-Benin II)

Financing

Millennium Challenge Corporation (MCC)

Period of implementation

12.4.2017 - 12.4.2022

UAE - 11 kV Power Distribution Network Design (Tawazun Industrial Park - TIP)

Tawazun Industrial Parkis in process for developing 11KV Substation and Cabling works in TIP which involves:

• Supply and Installation of 1500KVA Package Substation including LV Panels and 11KV Cablings - 4 to 7 nos based on Load Study.
• Supply and Installation of 3000KVA Substation Including LV Panels and 11KV Cablings - 1 nos

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intec's services

Consultancy Services for 11 kV Power Distribution Network Design - 11/0.415 kV Distribution Substations and its associated 11 kV cabling works, 11 kV power supply loop cabling work between Primary Substation and IGT building at Tawazun Industrial Park (TIP), Abu Dhabi

Stage 1 covering:

• Load demand study
• Protection study (Upstream & Downstream)
• LDN development and submission to TIP
• Tender designs

Stage 2 covering:

• Development of tender documents
• Tendering support and Contractor’s Contract documentation covering pre- and post-bid clarifications and Technical & Commercial tender evaluation

Stage 3 : Site Supervision

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Client

Tawazun Industrial Park (TIP)

Financing

Tawazun Industrial Park (TIP)

Period of implementation

01.03.2018 - 30.05.2019

Cambodia - Extension of the medium distribution grid

The objective of the project is to upgrade and expand distribution and transmission infrastructure for increased access to energy, improved electricity services for the rural population and to contribute to primary energy savings.
The tentative scope of the project is the following:

• Component 1: Extension of the medium distribution grid (either 22 kV or/and 35 kV, incl. station transformers) in the rural areas
• Component 2: Construction of two new 115/22 kV grid AIS and GIS substations for strengthening the power evacuation to the 22 kV grid

intec in its role as the Consultant shall undertake investigations to assess the technical and economic justification of the planned transmission system expansion.
 

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intec's services

• Brief review of the context of the power sector
• Assessment of the power sub-sector transmission & distribution in the project area, incl. a network analysis
• Survey of AIS and GIS substation areas and review of conceptual AIS and GIS substation design, and provision of an analysis of a potential new AIS and GIS substation
• Review of a future AIS and GIS Substation in the centre of Siem Reap
• Review of proposed enhancement of the MV transmission system
• Identification of additional investment needs
• Conceptual Design of the proposed measures
• Review of operation and maintenance concept and identification of training needs
• Cost estimates and investment budget
• Impact assessment and indicators (climate mitigation, access to electricity, local economic development)
• Economic and financial analysis
• Draft implementation concept, procurement plan and project timetable
• Risk assessment

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Client

Electricité du Cambodge represented by KfW

Financing

KfW Development Bank

Period of implementation

08.2018 - 02.2019

Ukraine - South Ukraine Regional Transmission Network Development

NPC Ukrenergo aims at de-bottlenecking the regional network (up to 750 kV) in South Ukraine for more efficient and reliable power supply and at accelerating the integration of solar and wind power into the national power grid within the next 15 years. The Consultant was appointed to assist NPC Ukrenergo to assess the implication of installing sizeable solar and wind power generation capacities in Ukraine.

The project is divided in two phases:

• Phase I: Regional Power Network Development Master Plan and Solar & Wind Power Integration Assessment
• Phase II - Project Preparation of Two Priority Investment Packages.

The assignment has the following main tasks:

• Master planning of the regional power network development at 750, 330, 220 and 110 kV voltage levels in South Ukraine with a 5 and 15-year perspective;
• Determination of the appropriate levels of wind and solar power capacity and appropriate operational and technical parameters for management of such connected capacity;
• Drafting necessary documents regulating technical aspects of solar and wind energy operation in Ukraine;
• Identifying the short and medium-term investments needed to strengthen the regional grid and to increase the capacity of wind and solar power that could be connected in South Ukraine;
• Determination of the required spare generating capacity in an interconnected power system (IPS) based on power balance analysis, type and operational parameters of such generating capacity to compensate fluctuating energy supply by large commercial-scale wind and solar power plants;
• Prioritisation of construction/reinforcement projects to be implemented by 2030;
• Strengthening the Client's capacity to perform better network planning and operation;
• Performing comprehensive technical, economic, commercial and socio environmental feasibility assessment of two projects prioritised among those identified in the master plan.
• Project preparation for the two packages (technical specifications, BoQ, line route review, technical, economic and financial analyses, ESIA, project feasibility, project tender documentation).

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intec's services

• Demand forecast and generation expansion plan;
• Review and assessment of existing network planning and operation in view of solar and wind power integration (grid code, operation, load dispatch and wind forecast, control and metering systems);
• Network planning (110 kV and above) for the South Ukrainian grid for the integration of solar and wind power (load flow, N-1, stability analysis, mitigation measures) and related training;
• Establishment of a Geographical Information System (GIS);
• Preparation of the Master Plan with selection and definition of two priority investment packages;
• Project preparation for the two packages (grid stability analysis, technical specifications, BoQ, line route review, technical, economic and financial analyses, ESIA, project feasibility, project tender documentation)

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Client

NPC Ukrenergo

Financing

European Bank for Reconstruction and Development (EBRD)

Period of implementation

24.10.2012 - 22.12.2018

Uganda - Karuma Interconnection Project (Kawanda 400 kV, Karuma - Lira 132 kV Transmission Lines and Associated Substations)

The Government of Uganda has launched a number of major projects in the energy sector, among which is the construction of the Karuma Hydropower Project (600 MW) on the Nile River, expected for commissioning in 2018. The present "Karuma Interconnection Project (KIP)" will provide the transmission infrastructure for evacuating the power generated by the Karuma Hydropower Plant. It includes the following components:

• Construction of a 400 kV D/C line between Karuma HPS Substation and Kawanda Substation (264 km)
• Upgrading of Kawanda and Karuma Substations (line bays, transformers, busbars, control and protection)
• Construction of a 132 kV D/C line between Karuma and Lira (80 km)
• Upgrading of Lira and Karuma Substations (line bays, control, protection and communication equipment)
• Construction of a 400 kV D/C line between Karuma and Olwiyo (60 km)
• Upgrading of Olwiyo and Karuma Substations (line bays, transformers, busbars, control and protection

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intec's services

Description of actual services provided by your staff within the assignment:

Owner's Engineer on behalf of UETCL, which includes the following services:

• Overall project management and supervision
• Review and approval of design drawings
• Supervision of construction, erection, testing and commissioning
• Monitoring of the implementation of the environmental management plan (EMP), review of the construction social environmental action plan (CSEAP), and monitoring of the occupational health and safety on site
• Verification and approval of Contractor's invoices
• Reporting to the Client
• Training programme for Client's personnel

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Client

Uganda Electricity Transmission Company Ltd. (UETCL)

Financing

Uganda Electricity Transmission Company Ltd. (UETCL)

Period of implementation

15.10.2015 - 15.10.2018

Ukraine - The Second Backbone UHV Corridor Kakhovska - Primorska - Dnistrovska - Khmelnitska

The assignment is to carry out a technical, economic, commercial and socio-environmental feasibility study for the 750 kV interconnection line Kakhovska - Khmelnitska, including relevant works in the substations along the line, all related auxiliary facilities incl. telecommunications and tele-transmissions according to the UCTE handbook requirements, and to give an opinion on the related regional network reinforcement to accommodate the line at the 330 kV level (Part I - Master Plan). Part II (Feasibility Assessment) includes the preparation of detailed feasibility studies of the sub-projects determined viable under Part I, the assistance to Ukrenergo in the procurement strategy, the detailed ESIA and detailed design of the selected line route and substations. Finally, Part III foresees the preparation of the relevant tender documentation.

In detail, the project includes the following services:

• Part I: Master Plan of the Second National UHV Backbone Interconnection: preliminary technical analysis; preliminary environmental analysis and ESIA scoping; economic justification of the second backbone UHV interconnection; master plan report and ESIA scoping report
• Part II: Feasibility Assessment of the 750 kV National Backbone Interconnection: technical analysis; environmental and social impact assessment (ESIA); detailed design of the selected line route and substations, economic and financial analysis; project feasibility study reports
• Part III. Project Tender Documentation: drafting of the project implementation plan (PIP); drafting of the procurement plan; preparation of project contractual framework, incl. power wheeling arrangements; drafting of the whole tender package (commercial/administrative part and technical specifications); preparation of tender evaluation criteria

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intec's services

In Part I, intec is the task leader for all tasks related to the transmission line corridor and the location of new substations, including the assessment of necessary equipment, materials and works, surveying and GIS mapping.

Furthermore, intec has the overall responsibility for Part II (feasibility assessment) and Part III (project tender documentation).

intec's services under Part II include parts of the technical analysis (line routing, BoQs, surveying and soil testing, technical specifications and basic engineering, project implementation and procurement arrangement), the Environmental and Social Impact Assessment (ESIA), and the compilation of the project feasibility study reports.

In Part III, intec's services include drafting of the project implementation plan (PIP), drafting of the procurement plan, preparation of project contractual framework, incl. power wheeling arrangements, drafting of the whole tender package (commercial/administrative part and technical specifications), and the preparation of tender evaluation criteria.

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Client

NEC Ukrenergo

Financing

European Bank for Reconstruction and Development (EBRD)

Period of implementation

3/2012 - 9/2018

Guinea - Linsan - Fomi Transmission Line (CLSG / Rural Electrification Component Guinea) 1,214,110 Euro (1,303,590 US$) Financing: African Development Bank (AfDB)

The Linsan - Fomi transmission line project is one of the priority projects identified in the electrification masterplan of Guinea. The implementation of this line aims at ensuring a stable integration of the national electricity networks of the ECOWAS member countries. At the same time, it serves to evacuate the power produced by the Kaleta Power Plant, the projected Souapiti HPP and other power plants to come.

The project covers the construction of approx. 394 km of 225 kV double-circuit transmission line between Linsan, Dabola, Kouroussa and Fomi with four associated 225 kV substations. It covers the following tasks:

• Line routing and production of maps, plans and profile drawings,
• Environmental and Social Impact Assessment (ESIA),
• Elaboration of the Environmental and Social Management Plan (ESMP),
• Elaboration of the Resettlement Action Plan (RAP),
• Feasibility study for the line,
• Preparation of functional prequalification and tender documents,
• Training.

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intec's services

Line routing and production of maps, plans and profile drawings;

Feasibility study, including:

• Technical interconnection study,
• Economic, financial and sensitivity analyses and tariff proposal ,
• Risk analyses,
• Training for the representatives of the projectparticipating parties on design of line interconnection and of transformer substations, and on the implementation of technical, economic and financial analyses,
• Design and technical specifications for the line and the substations,
• Preparation of functional prequalification and tender documents, and bid packaging.

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Client

Electricité de Guinée (EDG)

Financing

African Development Bank (AfDB)

Period of implementation

5.4.2017 - 4.2.2018