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Tehachapi East Afterbay Engineering Committee Meeting May 10, 2006

Tehachapi East Afterbay Engineering Committee Meeting May 10, 2006. Division of Engineering Division of Operations and Maintenance Division of Planning and Local Assistance—Southern District State Water Project Analysis Office in coordination with

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Tehachapi East Afterbay Engineering Committee Meeting May 10, 2006

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  1. Tehachapi East AfterbayEngineering Committee Meeting May 10, 2006 Division of Engineering Division of Operations and Maintenance Division of Planning and Local Assistance—Southern District State Water Project Analysis Office in coordination with Metropolitan Water District of Southern California State Water Contractors State Water Contractors

  2. Presentation Outline • Recent events • Upcoming milestones • Construction issues • Costs • Construction Photos

  3. Recent Events Phase Ia Contract • Begin Outage 2 1/13/06 • End Outage 2, Complete 1/31/06 Tie-in and Cofferdam 2 • Complete Balance of Work 2/28/06

  4. Upcoming Milestones Phase II Contract • Complete Bypass Facilities, 3/31/06 Control Building, Flow Barrier, Cofferdam 2 Removal • Complete Balance of Work 4/30/06 Phase III Contract • Advertise 5/19/06 • Bid Opening 6/22/06 • NTBW 7/31/06 • Begin Outage 3 8/31/06 • End Outage 3 1/11/07 • Begin Outage 4 1/12/07 • End Outage 4, Complete 1/29/07 Cofferdam 1 Removal • Complete Balance of Work 1/28/07

  5. Construction Issues • WCI/Safeco: Claims and potential litigation • Initial contract • Operations • Staffing • Weather

  6. Estimated Additional Costs due to Termination

  7. 1/20/06

  8. 1/20/06

  9. 1/20/06

  10. 1/20/06

  11. 1/31/06

  12. 2/22/06

  13. 2/22/06

  14. 2/22/06

  15. 4/1/06

  16. 4/1/06

  17. 4/1/06

  18. 4/1/06

  19. 4/1/06

  20. 4/1/06

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