Refinery - II M&I SD Oct-Nov 2018

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15-D-601 Flushing Oil Tank
Replacement of tank steam coils shall be planned.
Replacement of top shell course & top cover shall be planned.
015-H-03C VACUUM EJECTOR
Nozzles shall be procured based on ejector performance.
15-T-01A/B WASH OIL FILTER, 15-T-02A/B LVGO CR FILTER, 15-T-03A/B VACUUM DIESEL CR FILTER,
15-T-204A/B HVGO CR FILTER, 15-T-205A/B MPA FILTER & 15-T-206 A/B
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15-C-08 Naphtha Stabilizer
Anticipate replacement of Tray No: 5
Minor pittings in the shell & trays shall be monitored.
15-C-09 Stabilizer Reflux Drum
Internal painting shall be planned.
15-C-10 Ammonia Solution Drum
Anticipate drum leg support fireproofing repair.
15-C-15 Vacuum Distillation Column
Replacement of chimney trays CT-5 & CT-6 (as weld leaks were observed) shall be planned.
Anticipate replacement of Demister pad.
Anticipate replacement of all packing beds in consultation with PE.
15-C-16 Hot Well Drum
Anticipate internal painting as per the CPCL painting system XVI during next M&I.
15-C-17 Tempered Water Drum
Replace steam coil during next M&I.
Anticipate shell external patch weld near stiffener location.
Anticipate internal painting as per the CPCL painting system XI during next M&I.
15-C-18 Decoking pot
Chennai Petroleum Corporation Limited (A group company of Indian Oil)
Technical - Inspection
Anticipate patch welding/ weld repair in top cover plate.
15-C-19 Chemical Addition pot
Anticipate leg supports replacement
15-C-41 Flare knock-out drum
Carry out top platform safety handrails & monkey ladder as per the site condition.
15-D-02 Caustic Solution Tank
Replacement of entire tank shall be planned.
Replacement of Anchor chair foundation bolts (4 nos).
15-D-04 Corrosion Inhibitor Tank
Anticipate patch plate welding on the shell in next M&I S/D.
Replacement of Anchor chair foundation bolts (4 nos).
These filters shall be taken for maintenance in the next available opportunity.
8.1.3 EXCHANGERS:
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Refinery - II M&I S/D Oct-Nov 2018 - Inspection Report
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BPA FILTER
Possibility of decongesting of the following 10 nos. exch. in this congested layout to be reviewed (PE & GE) &
equipment wise dismantling/ erection plan of components during M&I to be made (Maint.)
15-E-12 A / B CRUDE / DIESEL EXCHANGER
15-E-14 CRUDE / HVGO EXCHANGER
15-E-18 A / B STAB. FEED / BOTTOM EXCHANGER
15-E-111 A / B CRUDE/MPA EXCHANGER
15-E-113 CRUDE/ BPA EXCHANGER
15-E-115 A / B CRUDE/ BPA EXCHANGER
Test rings of around 30 nos. of exchangers/coolers to be procured/ made available.
15-E-08 CRUDE / HVGO EXCHANGER
Bull plugs seal welding shall be carried out.
15-E-10 CRUDE / HVGO EXCHANGER
Complete retubing with 8.0 mm transverse baffle in place of 6.0 mm in the next M&I.
As test ring had difficulties in fixing due to dimension issues, the same shall be corrected or new one to be provided.
15-E-16 A ATM.OVHD CONDENSER (FIN FAN COOLER)
Anticipate Retubing during next M&I shutdown
15-E-16 B ATM.OVHD CONDENSER (FIN FAN COOLER)
Confirmed retubing during next M&I shutdown. Anticipate replacement of Inlet nozzles.
15-E-16 C / D ATM.OVHD CONDENSER (FIN FAN COOLER)
Anticipate retubing during next M&I shutdown
15-E-16 E / F ATM.OVHD CONDENSER (FIN FAN COOLER)
Confirmed retubing during next M&I shutdown
Chennai Petroleum Corporation Limited (A group company of Indian Oil)
Technical - Inspection
Refinery - II M&I S/D Oct-Nov 2018 - Inspection Report
695
CONSOLIDATED SHUTDOWN
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