1. 1 BROOKHAVEN SCIENCE ASSOCIATES Electrical Power Status Thomas Nehring Conventional Facilities Advisory Committee Review October 5-6, 2010

2. 2 BROOKHAVEN SCIENCE ASSOCIATES Outline Main Substation Ductbank and Feeder Unit substations Going Forward Conclusions

3. 3 BROOKHAVEN SCIENCE ASSOCIATES Main Substation Main substation ~ 80% complete 69kV Tower Work ~90% complete –Included 69kV bus mods, new insulators, new switches, new fuses –To be done - Installation & wiring of Potential Transformer 69kV Breaker ~ 80% complete –Break installed –To be done – secondary wiring and testing Main transformer ~ 90% complete –One radiator needs to be replaced, damaged during shipment –One weld needs to be repaired –Oil needs to be processed into tank –Balance of testing to be done, winding ratios and bushing tests have been done –Controls and instrumentation to be wired

4. 4 BROOKHAVEN SCIENCE ASSOCIATES Main Substation - continued Main substation - continued 15kV Bus Duct and Low Voltage Wireway ~ 10% complete –Bus duct in fabrication, to arrive during October –Provisions for installation have started, opening on wall, supports 15kV Switchgear ~ 80% complete –Switchgear installed –Bus tie to existing Bus 2 to be completed during October –Control wiring to main transformer and 69kV breaker remain –DC wiring to battery to be completed –Testing remains –Switchgear to be energized during October 15kV Feeder ~ 30% complete –Raceway installed from switchgear to interface point (pull box located near south-east corner of building) –Feeder cable to be installed October

5. 5 BROOKHAVEN SCIENCE ASSOCIATES Main Substation - continued

6. 6 BROOKHAVEN SCIENCE ASSOCIATES Main Substation - continued

7. 7 BROOKHAVEN SCIENCE ASSOCIATES Main Substation - continued

8. 8 BROOKHAVEN SCIENCE ASSOCIATES Main Substation - continued

9. 9 BROOKHAVEN SCIENCE ASSOCIATES Main Substation - continued Main substation - continued Miscellaneous Items Completed –125 Vdc Battery –Lighting in yard –Secondary containment –Fire wall Miscellaneous Items to be Completed –DC wiring –Interior lighting modifications –Steam piping modifications –Door replacement –Fire proofing of Building 603 –Grounding ~ 50% complete Commercial Items –Approximately 4 change orders to be completed

10. 10 BROOKHAVEN SCIENCE ASSOCIATES Ductbanks & Feeders Ductbank to be Installed

11. 11 BROOKHAVEN SCIENCE ASSOCIATES Ductbanks & Feeders 15kV ductbank complete less three segments 480V ductbanks complete less one segment 15kV Feeders Cable pulling started late September 480V Feeders Cable pulling to start October

12. 12 BROOKHAVEN SCIENCE ASSOCIATES Unit Substations & Switchgear

13. 13 BROOKHAVEN SCIENCE ASSOCIATES Unit Substations & Switchgear 6 of 8 unit substations installed SUS- 2, 3, 5, LB, RF-1, RF-2 on location and assembled –final wiring and testing remains SUS-4 yard ready for switchgear SUS-1 last substation yard to be build, should be completed in October 4 of 8 indoor switchgear lineups installed Swgr’s 1, 2, 3 & 4

14. 14 BROOKHAVEN SCIENCE ASSOCIATES Unit Substations & Switchgear

15. 15 BROOKHAVEN SCIENCE ASSOCIATES Going Foward Start-up: Follow F & O’s BORE process Ensure documentation and labeling complete Perform standard tests for start-up Manufacturer representative to be present during start-up Have F & O participate to be present during start-up and review Operations & Maintenance Establish operation & maintenance program in F & O system Turn over to F & O

16. 16 BROOKHAVEN SCIENCE ASSOCIATES Conclusions Power will be available for Beneficial Occupancy –Initial start-up power will be taken from Bus 2, approximately 7 MVA available –Substation contract will be completed around December 2010 –Main transformer will then be used, 20 MVA available Operation of equipment to be coordinated with F & O tower line crew