The Malaysian Grid Code Contents OPERATING CODE NO.5 (OC5): OPERATIONAL LIAISON ........................................... 261 OC5.1 INTRODUCTION ...................................................................................................... 261 OC5.2 OBJECTIVES ........................................................................................................... 261 OC5.3 SCOPE .................................................................................................................... 261 OC5.4 OPERATIONAL LIAISON TERMS .............................................................................. 262 OC5.5 PROCEDURES FOR OPERATIONAL LIAISON ............................................................. 262 OC5.6 REQUIREMENTS TO NOTIFY .................................................................................. 263 OC5.6.0 General Requirements ...................................................................................... 263 OC5.6.1 Situations Requiring Notifications................................................................. 263 OC5.6.2 Form of Notification ......................................................................................... 264 OC5.6.3 Timing of Notification....................................................................................... 264 OC5.7 SIGNIFICANT INCIDENTS ....................................................................................... 264 OC5.8 GSO SYSTEM WARNINGS ...................................................................................... 265 OC5.8.1 Roles of GSO System Warnings........................................................................ 265 OC5.8.2 Recipients of GSO System Warnings ................................................................ 265 OC5.8.3 Preparatory Action ........................................................................................... 265 OC5.8.4 Types of GSO System Warnings ....................................................................... 266 OC5.8.5 Issuance of System Warnings............................................................................ 267 OC5.8.6 Cancellation of GSO System Warning.............................................................. 268 OC5.8.7 General Management of GSO System Warnings .............................................. 268 OC5.9 PROCEDURE FOR INFORMATION FLOW DURING COMMISSIONING AND COMPLIANCE TESTS 270 OC5.9.1 General ............................................................................................................. 270 OC5.9.2 Notification ....................................................................................................... 270 OC5.9.3 Final confirmation............................................................................................ 272 OC5.9.4 Execution .......................................................................................................... 272 OPERATING CODE NO.6 (OC6): SIGNIFICANT INCIDENT REPORTING .................. 273 OC6.1 INTRODUCTION ...................................................................................................... 273 OC6.2 OBJECTIVES ........................................................................................................... 273 OC6.3 SCOPE .................................................................................................................... 273 OC6.4 PROCEDURES ........................................................................................................ 274 OC6.4.1 Procedures for Reporting Significant Incidents ............................................... 274 OC6.4.2 Significant Incident Report ............................................................................... 274 OPERATING CODE NO.7 (OC7): EMERGENCY OPERATIONS..................................... 276 OC7.1 INTRODUCTION ...................................................................................................... 276 OC7.2 OBJECTIVES ........................................................................................................... 276 OC7.3 SCOPE ................................................................................................................... 277 OC7.4 PROCEDURES ........................................................................................................ 277 OC7.4.0 General .......................................................................................................... 277 OC7.4.1 Determination of Emergency Conditions ...................................................... 277 OC7.4.2 Grid System Restoration Plan .......................................................................... 278 OC7.4.3 Restoration Procedures .................................................................................... 279 OC7.4.4 Demand Restoration ......................................................................................... 281 OC7.4.5 Dealing with System Splits................................................................................ 282 OC7.4.6 Grid System Restoration Plan Familiarisation Plan and Test ......................... 282 OC7.4.7 Recovery Procedures from Abnormal Operating Conditions........................... 283 OC7.4.8 Loss of NLDC ................................................................................................... 283 OC7.4.9 Fuel Supply Emergency .................................................................................... 284 OPERATING CODE NO.8 (OC8): SAFETY COORDINATION ......................................... 285 OC8.1 INTRODUCTION .................................................................................................... 285 OC8.2 OBJECTIVES ......................................................................................................... 285 OC8.3 SCOPE ................................................................................................................... 285 OC8.4 PROCEDURES FOR LOCAL SAFETY INSTRUCTIONS, COORDINATORS AND RECORDS OF SAFETY PRECAUTIONS ......................................................................................................... 286 OC8.4.0 General ............................................................................................................. 286 OC8.4.1 Defined Terms .................................................................................................. 287 OC8.4.2 Local Safety Instructions .................................................................................. 288 vi