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Electrical Power Status. Thomas Nehring Conventional Facilities Advisory Committee Review October 5-6, 2010. Outline. Main Substation Ductbank and Feeder Unit substations Going Forward Conclusions. Main Substation. Main substation ~ 80% complete 69kV Tower Work ~90% complete

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electrical power status

Electrical Power Status

Thomas Nehring

Conventional Facilities Advisory Committee Review

October 5-6, 2010

outline
Outline
  • Main Substation
  • Ductbank and Feeder
  • Unit substations
  • Going Forward
  • Conclusions
main substation
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
main substation continued
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
main substation continued9
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
ductbanks feeders
Ductbanks & Feeders

Ductbank to be Installed

ductbanks feeders11
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
unit substations switchgear13
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
going foward
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
conclusions
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