US Army Corps of Engineers BUILDING STRONG ® JOINT FEDERAL PROJECT UPDATE for SAFCA Board US Army Corps of Engineers Pam Amie 19 May 2011

BUILDING STRONG ® PROJECT OVERVIEW  Phase 3: Construction of the Control Structure is currently underway  Phase 4: Chute/Stilling Basin and Approach Channel Designs are currently underway  Schedule Optimization: Schedule Optimization Task Force (SOTF) has currently met for three 3-day group sessions to further refine the auxiliary spillway completion schedule 2

BUILDING STRONG ® CONTROL STRUCTURE  Granite is currently excavating common material from the left side (Monolith 5) and the right side (Monoliths 1 and 2)  To date approximately 65,000 cubic yards of common material has been excavated at the site  Production blasting continues 3 to 5 days per week  Blasting and excavation program currently anticipated to be complete late Nov of this year 3

BUILDING STRONG ® On-Going Construction 4

BUILDING STRONG ®  Designs for Chute/Stilling Basin and Approach Channel are currently underway  Design teams are looking at strategies to accelerate the designs for earlier award; including the design for the cofferdam  URS completed Phase I barge drilling in the reservoir; Phase II confirmatory drilling under rock plug in support of the construction of the cofferdam for the approach channel excavation is scheduled to start in Nov Chute/SB and AP Channel 5

BUILDING STRONG ® REVISED SCHEDULE  The Schedule Optimizing Task Force completed it's third round of meetings and has given an update briefing to Corps Sacramento District, BoR, and sponsor leadership. The Task Force is continuing to revise the schedule, with risks and costs for each and the team will deliver a final recommendation to Corps, Reclamation and sponsor leadership on 1 June 11. Fully vetted schedule will be completed by 30 June 11. 6

BUILDING STRONG ® Points of Contact  Beth Salyers, Senior PM for JFP  Pam Amie, PM for JFP  Jerry Hasty, PM Forward for Construction  Angela De Paoli, PM for Permanent Operations Study  Nikole May, PM for Dam Raise 7