MAIN ELECTRICAL SYSTEM. Co-X/FMD/SOP05

Transcription

1 CONVENTION & EXHIBITION (PUTRAJAYA) SDN. BHD. Co-X/FMD/SOP05 Revision No.: 01 Effective Date: 15 th December 2017 PREPARED BY REVIEWED BY APPROVED BY Name: Name: Name: Designation: Designation: Designation:

2 REFERENCE NO. Co-X/FMD/SOP05 PAGE NO. Page 2 of 8 REVISION HISTORY Rev. No DCN No. Description of Changes Effective Date Initial Release 15/12/17

3 REFERENCE NO. Co-X/FMD/SOP05 PAGE NO. Page 3 of OBJECTIVE The objective of this procedure is to provide a system flow for the main electrical system from Tenaga Nasional Berhad (TNB) substation incoming power supply to Low Voltage (LV) system inside Putrajaya International Convention Centre (PICC) compound. 2.0 SCOPE 2.1 This procedure shall apply to all High Tension (HT) and Low Voltage (LV) system inside Putrajaya International Convention Centre (PICC) compound High Tension (HT) system including transformer and and all HT subsystem Low Voltage (LV) system including Main Switch Board (MSB), Essential Main Switch Board (EMSB) and all LV sub-system Generator set system. 3.0 DEFINITION 3.1 Co-X : Convention & Exhibition (Putrajaya) Sdn. Bhd. 3.2 PICC : Putrajaya International Convention Centre 3.3 ST : Suruhanjaya Tenaga 3.4 TNB : Tenaga Nasional Berhad 3.5 HT : High Tension 3.6 LV : Low Voltage 3.7 VCB : Vacum Circuit Breaker 3.8 Chargeman B0 : Chargeman certified with B0 level by Suruhanjaya Tenaga 3.9 Chargeman A4 : Chargeman certified with A4 level by Suruhanjaya Tenaga 3.10 Chargeman A0 : Chargeman certified with A0 level by Suruhanjaya Tenaga 3.11 MSB : Main Switch Board 3.12 EMSB : Essential Main Switch Board 3.13 DC : Direct Current 3.14 TX : Tagging code for electric transformer 4.0 RESPONSIBILITY 4.1 The Document Controller shall oversee all documents and records are properly managed at all time. 4.2 Authorized person with minimum competency level Chargeman B0 certified by ST and hired by Co-X to monitor and conduct any activities involving HT system. 4.3 Authorized person with minimum competency level Chargeman A0 certified by ST and hired by Co-X to monitor and conduct any activities involving LV system. 4.4 Authorized person with minimum competency level Chargeman A4 certified by ST and hired by Co-X to monitor and conduct any activities involving generator set.

4 REFERENCE NO. Co-X/FMD/SOP05 PAGE NO. Page 4 of REFERENCE 5.1 Electrical Supply Act 1994 Act 447 Act Electrical Regulation Safety Work Procedure Guide For Electrical Work by ST 5.4 Co-X/FMD/SOP01 - Preventive Maintenance & Equipment Management

5 REFERENCE NO. Co-X/FMD/SOP05 PAGE NO. Page 5 of PROCEDURE 6.1 Rules And Regulation Only authorised person with minimum allowable competancy level authorised to operate any main electrical equipment or system: Chargeman B0 (All main electical equipment and system) Chargeman A4 (Generator set and LV equipment and system only) Chargeman A0 (LV equipment and system only) Any act of violation of item shall be liable to a fine not exceeding RM10,000 and a fine not exceeding RM1,000 for every day or part of a day during which the violation is continued after the conviction (Section 23, Electrical Supply Act 1994) Any act which may cause harm to life and human limbs, damage to any equipment or property may be fined not exceeding RM100,000 or imprisonment not exceeding 5 years or both (Section 37, Electrical Supply Act 1994) All electrical systems must be certified with Pendaftaran Perpasangan by ST and need to be renewed from time to time (Section 21, Electrical Supply Act 1994). 6.2 HT System HT system function is to receive/cut off 11kV electrical supply from TNB substation Transformer will step down the 11kV electrical supply to 415V (LV system compatible load) Transformer TX1, TX2, TX3 and TX4 applied for PICC building electrical load Transformer TX5 and TX6 applied for chiller plant electrical load Daily round and reading for HT system are as per listed in Table 1 and recorded in High Tension Round & Reading Checklist (Co- X/FMD/SOP03-R01). Any reading exceedin the maximum or minimum limit must be highlighted to HOD.

6 REFERENCE NO. Co-X/FMD/SOP05 PAGE NO. Page 6 of 8 NO DESCRIPTION UNIT READING LIMIT MINIMUM MAXIMUM 1. VCB incoming electrical supply: 1.1 Ampere 1.2 Voltage (kilo-volt) A kv DC Battery Charger 2.1 Ampere 2.2 Voltage A V Transformer temperature (Celsius) o c Table 1: HT system equipment for routine monitoring PPM for HT system frequency as per Plan Preventive Maintenance (PPM) (Co-X/FMD/SOP01-R03) schedule. 6.3 LV System LV system function is to distribute the 415V power supply from HT system to MSB and EMSB before further distributed to the building Daily round and reading equipment monitoring for LV system are as per listed in Table 2 and recorded in Low Voltage & Generator Set Round & Reading Checklist (Co-X/FMD/SOP03-R02). Any reading exceeding the maximum or minimum limit must be highlighted to HOD. NO DESCRIPTION UNIT READING LIMIT MINIMUM MAXIMUM 1. MSB reading: 1.1 Ampere 1.2 Voltage A V 1, , EMSB reading: 2.1 Ampere 2.2 Voltage A V , Power Factor Table 2: LV system equipment for routine monitoring PPM for LV system frequency as per Plan Preventive Maintenance (PPM) (Co-X/FMD/SOP01-R03) schedule Maintenance and operation for chiller plant is fully operated by Gas District Cooling (M) Sdn. Bhd.

7 REFERENCE NO. Co-X/FMD/SOP05 PAGE NO. Page 7 of Generator Set Generator set function as back-up power supply source and will be run automatically if there are any electrical failure / disruption at HT system Routine monitoring for generator set system are recorded in Low Voltage & Generator Set Routine Checklist (Co-X/FMD/SOP05- R02) Generator Set Duty Switch in AUTO mode at all time ACB Duty Switch must be in AUTO mode at all time Emergency Stop Button released at all time PPM for generator set frequency as Plan Preventive Maintenance (PPM) (Co-X/FMD/SOP01-R03) schedule. 7.0 RECORDS 7.1 Co-X/FMD/SOP01-R03 Plan Preventive Maintenance (PPM) Schedule 7.2 Co-X/FMD/SOP01-R08(a) Standby Diesel Generator Set Checklist 7.3 Co-X/FMD/SOP01-R08(b) LV Capacitor Bank Checklist 7.4 Co-X/FMD/SOP01-R08(c) High Voltage System Checklist 7.5 Co-X/FMD/SOP01-R08(d) Low Voltage Checklist 7.6 Co-X/FMD/SOP05-R01 High Tension Round & Reading Checklist 7.7 Co-X/FMD/SOP05-R02 Low Voltage & Generator Set Round & Reading Checklist 8.0 APPENDIX / ATTACHMENT 8.1 Process Flow

8 REFERENCE NO. Co-X/FMD/SOP05 PAGE NO. Page 8 of 8 PROCESS FLOW RESPONSIBILITY OUTLINE ACTION - TNB 1 TNB 1 TNB - Provide electrical supply for Substation 1 (Semenyih) Substation 2 (Cyberjaya) PICC building - Chargeman B0 (and 2 HT Panel - Receive / cut-off 11kV incoming electrical supply No 3 Power Supply? Yes - Chargeman B0 (and 4 4 Transformer (TX1 to TX4) Transformer (TX5 and TX6) - Step-down electrical supply from 11kV to 415V - Chargeman A0 (and - Gas District Cooling (M) Sdn Bhd 5a LV Panel 5b LV Panel (Chiller Plant) - Distribute electrical supply to MSB / EMSB - Chargeman A4 (and - Gas District Cooling (M) Sdn Bhd 6 Generator Set - Back-up electrical supply when electrical disruption / failure at HT / LV system. - Chargeman A0 (and - Gas District Cooling (M) Sdn Bhd 7a MSB / EMSB 7b MSB / EMSB (Chiller Plant) - Provide electrical supply to electrical distribution system - Gas District Cooling (M) Sdn Bhd 8b Chiller Plant Load - Chiller plant equipment such as chiller, cooling tower etc. 8a Electrical Riser & Distribution - Refer Co-X/FMD/SOP05 Area fully operated by Gas District Cooling (M) Sdn Bhd