Detailed design for installation of two new 220/11 kV, 100 MVA, YNd supply transformers including associated 220 kV circuit breaker bays. Extensive 11 kV cabling to new 11 kV switchgear building. Rearrange one existing 220 kV transmission circuit termination and install new 220 kV bus coupler circuit breaker. Convert bus zone protection to two zones. Ancillary equipment included three new 110 kV circuit breakers, current transformers and disconnectors, two new 11 kV earthing transformers and resistors and two new 11 kV switchboards. Design all electrical and civil works including protection, metering, SCADA and control systems, building and naturally ventilated cable tunnels. Prepare design reports, drawings, specifications, tender documents and tender evaluation reports.