1. Tuesday 13 th December 2005 Substation SB400

2. Final testing in 10Kv substation

3. Kentech perform the final megger testing of bus witnessed by electrical engineers from CTSD, SEIC and the switchgear vendor ABB. Next the transformer primary 6.6Kv circuit is megger tested at the CTSD powerstation.

5. After the cable is energised from the powerstation the circuit breaker used for the temporary feed is racked in.

6. After some small adjustments, the chief electrical engineer from CTSD closes the circuit breaker, energising the 10Kv bus at 3.30pm. The bus coupler was then closed energising the left hand bus also. With all testing completed, the circuit breaker from the powerstation was again opened and the bus powered down and Earthed. It is now officially classed as commissioned and ready for use!

7. Electrical Distribution SB 400 10KV Bus Coupler L10 L9 L8L7 L6 L5L4 L3 L2 L1 ML R11R10R9R8R7R6R5 R4 R3R2 MR Spare ETP TR450 CN1 K4701A Inst Air K4401 HP Fuelgas R1 L11 K4701B Inst Air Admin SB490 N2-RAdmin SB490 N1-R Store & Load SB440 C1-R SB400-L 35KV Bus Metering Utilities TR400 CN 2Utilities TR400 CN 4Utilities TR400 CN 1Utilities TR400 CN 3 Normal supply SS409 Test supply SS409 Admin SB490 N1-LAdmin SB490 N2-L Normal supply SS409 Test supply SS409 Store & Load SB440 C1-L 10KV Left10KV Right Temporary feeder from CTSD powerstation connected here