CAISO URGENT NOTIFICATION - HA SCHEDULES ** URGENT NOTIFICATION - PLEASE SUBMIT HOUR AHEAD SCHEDULES FOR HE 11-13 PRIOR TO 0900 TOMORROW, JANUARY 09, 2002  as we will be performing upgrades to our servers.  The SI system will not be affected. 			Please contact Benik DerGevorgian (916) 351-2277 bdgevorgian@caiso.com if you have any questions or concerns. 			Thank you, 	ISO Market Operations Client Relations Communications.0621 CRCommunications@caiso.com