SGC Fuel Gas : MBP01EC001

Start up Program : ( Steps 1 … 8 )

Step 1 : Selection of NG start SGC FO PM ESV ..MBN23AA051 Close FO DO ESV ..MBN14AA051 Close Turbine Speed ( TS ) ..MBY10CS901 < 47.5 s-1

Step 2 : ***** Preparation for NG admission ***** NG Unloading valve ..MBP13AA501 Close NG Supply ..EKG70EU001 In Operation NG Supply Pressure ..MBP13EU010 > Min ( 29 – 31 bar ) NG Selection ..MBY10EU011 Selected

Step 3 : ***** Preparation of DM CV ***** NG Set Point ..MBP03DU002 Min Position NG DM CV ..MBP21AA151 > 0 % NG DM Control System ..MBP21DG151 Dev OK NG PG CV ..MBP23AA151 Cmd On NG PG Control System ..MBP23DG151 Dev OK

Step 4 : ***** Acceleration to Ignition Speed with SFC ******

SFC ..MBJ01DE103 On Turbine Speed ( TS ) ..MBY10CS901 > 6.6 s-1

Step 5 : ***** Opening of NG ESV ******

Ignition Transformer ..MBM12GT001 On ( for 9 secs ) NG ESV ..MBP13AA051 Open

Step 6 : ***** Acceleration to 25 % ******

Turbine Speed ( TS ) ..MBY10CS901 > 12.5 s-1

Step 7 : ***** Acceleration to 94 % of Nominal Speed ****** NG DM CV ..MBP21AA151 Steeper Gradient NG PM CV ..MBP22AA151 Open NG PG CV ..MBP23AA151 Open

( NG PM CV opens slowly with concurrent closing of NG DM CV )

Step 8 : ***** Steady State Operation & Monitoring for Fuel C/o ******

Shut Down Program : ( Steps 1 … 2 )

Step 1 : ***** Closing NG CV & ESV ****** NG DM CV ..MBP21AA151 Close NG PM CV ..MBP22AA151 Close NG PG CV ..MBP23AA151 Close NG Unloading Valve ..MBP13AA501 Open

Step 2 : ***** GT Shut Down Completed ******