siemens - Public Service Commission

Alstom Proposal # SD22007, CR3 EPU Turbine Generator Retrofit Meeting Notes, 05/15/07: Pg. 1 of 7
Outape Schedule: 2009 outage schedule is 75 days for Hp and LP turbine replacement, generator mid-section replacement and MSR replacement.
Schedule driver is shop rewind of generator rotor (60 days, 45 days in shop).
ODtional Scope: Generator Stator f eld rewind-with H20 cooled winding. Stator core iron is not replaced.
Cost: total estimated cost reduced t&%KTEDT Generator Rating: stator rating reduced to 1162.5 MVA.
Schedule: 2009 outage schedule will not decrease due to off site rotor rewind.
Meeting Summary Hivhlights:
e AIstom proposal amendment letter requested by June 1,2007.
0 Generator rotor replacement is required to improve the 75 day schedule and to increase MVA rating to 1200MVA. Generator rotor
replacement will be 2011. Requested Alstom to price new rotor vs. rewind rotor.
e Requested Alstom to consider 2007 open and close of HP tclrbine and generator to be R&D cost by them.
e Requested Alstom to quote 57”LSB LP turbine option.
e Support systems for water cooled stator skid and static excitation system are additional cost. Alstom requested to provide support system
requirements.
e Control Room impacts for water cooled stator skid and static excitation system (voltage regulator) are additional cost. Alstom requested to
provide control room impact details.
e Include laser alignment of entire train, including generator alignment and generator frame foot loading @g. 110).
e Include Re-striping all bearing pedestal oil seals.
0 Include HP and LP turbine bearing be rebabbitted in base scope due to new rotor journals.
e Include machining of all HP Turbine cylinder interface locations as f ~d$ t:,install t *’ new .,-. parts.
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e Need to provide Installation “Division of Responsibilities”.