Ghana - 330 kV Aboadze - Prestea Power Enhancement Project (APPEP)

Amandi Energy Solutions of Switzerland has a contract with the Ghana Grid Company Ltd. ("GRIDCO") for the Aboadze - Prestea Power Enhancement Project (APPEP) and contracted part of the design work to ROENG TEC and MPS.

The design services cover the extension with 8 bays (6 new and 2 existing) of the 330 kV Aboadze Substation.

intec's services

• Basic design of sections per typical bay, control building layout, civil works, and typical earthing design in-cluding calculation notes
• Drawing up of technical specifications, bills of quantity and other documents for tendering
• Technical opinion on received bids
• Detailed design and feasibility calculations for different options and coordination with GRIDCO
• Final detailed design drawings, update of the bills of quantities and final workshop drawings
• Technical assistance during the execution phase:upon request, design review and approval during project implementation, participation in factory acceptance test visits, if required

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Financing

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Regional - Interconnexion Project CLSG (Phase 1)

The project included Owner's Engineer services for all pre-construction activities (tender documents, tendering, contract negotiations and award) for the construction of the following equipment:

• 1,303 km of 225 kV overhead line across the four countries, initially with one circuit on double circuit steel lattice towers, with OPGW,
• 12 new 225 kV substations, 1 in Côte d'Ivoire, 4 in Liberia, 5 in Sierra Leone and 2 in Guinea,
• installation of compensation equipment, static VAr compensators and shunt reactance in 5 substations,
• development of a control centre in Guinea including a  regional SCADA system and frequency control systems, and extension of the NCC in Côte d'Ivoire,
• development of a frequency regulation study and procurement and installation of frequency control equipment.

Construction works are executed under 13 different EPC contracts.

intec's services

intec's experts contributed to the following tasks:

• Data collection and review of existing documentation,
• Review and finalisation of technical specifications and of prequalification and tender documents,
• Assistance during the tendering phase (invitations for prequalifications / tenders; evaluation of prequalifications and bid evaluation including respective reporting),
• Assistance in the finalisation of the EPC contracts (contract negotiations, preparation of contract documents),
• Review of project implementation schedules and preparation of the project implementation plan (PIP).

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Financing

Period of implementation

Ghana - 330 kV Aboadze - Prestea Power Enhancement Project (APPEP) - Design Services

Amandi Energy Solutions of Switzerland has a contract with the Ghana Grid Company Ltd. ("GRIDCO") for the Aboadze - Prestea Power Enhancement Project (APPEP) and contracted part of the design work to intec branch ROENG TEC .

The design services cover the 330 kV Aboadze - Prestea double-circuit overhead line.

intec's services

• Determination of operating principles, characterization and dimensions of the overhead line
• Preliminary design, including initial bills of quantities (BoQs)
• Feasibility calculations for the different options for the project, including costs, materials and equipment
• Final detailed design drawings including sag curve templates, tower spotting, etc.
• Soil investigation report
• Foundation design
• Coordination and planning; participation in monthly meetings, assistance during the implementation period, and overall supervision
• On-site training on construction of OHLs
   

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Period of implementation

Mali - PASE - Extension of EDM's Transmission and Distribution Networks

The project was part of the "PASE" (Project for the Support to the Energy Sector) for which the World Bank granted a loan to the Government of Mali. The project in general aimed at improving access to electricity, and efficiency in the supply and utilisation of electrical energy. The technical measures of the project included the following components:

• Extension of the MV/LV networks in Bamako and Kati,
• Construction of the 30 kV Kati Substation,
• Reinforcement and extension of the MV/LV networks in Kayes, Sikasso, Koutiala, and Ségou,
• Rehabilitation of the 150 kV lines Bamako - Fana and Fana - Ségou and restructuring of Fana substation connection from T-off to line-in line-out arrangement,
• Extension of the Kalabancoro Substation (transformer 60 MVA, 150/30 kV) and renewal of the 30/15 kV Sotuba Substation,
• Extension of the 15 kV SOGEM Substation in Kodialani and installation of 15 kV outgoing feeders,
• Installation of the second circuit on the 150 kV Kodialani - Sirakoro line.

intec's services

• Overall project management and home-office back-up support for specific tasks,
• Coordination of the detailed implementation plan with EDM,
• Approval of technical documents and implementation studies,
• Technical control of plans and documents,
• Factory acceptance tests, monitoring and control of manufacturing,
• Site supervision,
• Budget control and management,
• Implementation of the quality management plan and the health and safety plans,
• Verification of the environmental protection plan,
• Reporting.

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Financing

Period of implementation