THE MANUFACTURE, TESTING, SUPPLY, DELIVERY, OFF-LOADING, ERECTION, COMMISSIONING, (INCLUSIVE OF SPARES AND TRAINING), OF ESTIMATED QUANTITIES OF HIGH VOLTAGE SWITCHGEAR THAT INCLUDES VOLTAGE CATEGORY RANGE OF 33KV to 132kV CIRCUIT BREAKERS/ DISCONNECTING CIRCUIT BREAKERS AND SF6 GAS FOR NTCSA ON “AN AS AND WHEN REQUIRED” BASIS FOR A FIVE (5) YEAR PERIOD.