Metallurgy

PROJECT DESCRIPTION

A joint venture constituted of SNC-Lavalin International Inc. and Worley Parsons (referred to as "SLWP") was contracted by EMAL to act as the EPCM contractor for the construction of Phase 1 of this world class greenfield aluminum smelter with a nominal capacity of 700,000 tons per year including a 2400 MW power plant and port facilities. Within the scope of this mandate, BBA provides detailed engineering services in the energy and automation areas.

BBA'S MANDATE

Electrical Engineering

• 400/220/33 kV GIS (gas insulated switchgear)
• 400-220 kV, 220-33 kV, 33-6.6 kV, 33-0.4 kV and 6.6-0.4 kV transformers
• 6.6/0.4 kV switchgears
• 350 kA rectifier sets, DC collector busses and harmonic filters
• HV/MV/LV cables and underground cable routing
• Power plant interface, utility interface and system studies (stability, transient, short-circuit, load flow, protection coordination and grounding grid)

Automation Engineering

• PLC programming establishing instrumentation and control standards
• Orphan package: Functional description, PLC programming, FAT (Factory Acceptance Tests) and commissioning
• Awarded package: Deliverable review, FAT (Factory Acceptance Tests) assistance
• Ethernet and ControlNet (manufacturing) communication network
• Expertise services for the fibre optic network

Civil and Mechanical Engineering

• Main substation building (100 m x 45 m), including five (5) transformer bays and HVAC systems
• 19 area substations (25 m x 6 m), including 4-transformer bays and HVAC systems
• 10 transformer and rectifier bays, including DC collectors and harmonic filters