Refinery - II M&I SD Oct-Nov 2018

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19-D-02 CAUSTIC TANK
Replace the tank completely
19-X-01 COALESCER
It is recommended to open the top manway and remove the grids for maintenance during the next M&I S/D.
8.6.2 EXCHANGERS
19-E-02 / 2B C3-C4 Splitter OVHD Condenser
Replace the Channel pass partition plate.
Anticipate Floating head cover weld repair.
Procure new Connecting piece.
19-E-04 / 4B C3-C3 Splitter OVHD Condenser
Replace the Channel pass partition plate.
Anticipate Floating head cover weld repair.
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Procure new Connecting pieces.
19-E-06 C4 Cooler
Anticipate Channel pass partition plate weld repair.
19-E-34 BB Feed Stock Cooler
Vent and drain have to be provided for tube test during next opportunity.
19-E-36 Gasoline Cooler
Anticipate Replacement of outer and inner pipe in next M&I.
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8.7 REFINERY-II FLARE SYSTEM & OFFSITE PIPING/ STRUCTURAL
8.7.1 COLUMNS & VESSELS
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29-C-05 HC FLARE KOD
Suitable protective coating for internal to prevent corrosion, pitting & rusting shall be explored.
Anticipate patch repair works in the next M&I shutdown.
8.7.2 CULVERT & OFFSITE PIPING:
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Pipelines found not in use (Redundant- 2nos.) shall be cut & removed in consultation with Mfg.
Pipeline (Not released for HT- 1 No.) shall be Hydro tested during Ref-3 M&I shutdown or in the next available
opportunity.
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Replace channel pass partition plate.
14-E-103C SECOND STAGE EFFLUENT WAX FEED HEATER
Replace channel pass partition plate.
14-E-105 STRIPPER OVERHEAD CONDENSER
Anticipate retubing in next M&I.
Procure new connecting piece.
8.6 PROPYLENE RECOVERY UNIT & FEED PREPARATION UNIT (PLANT-19)
8.6.1 COLUMNS & VESSELS
19-C-01 C3-C4 SPLITTER COLUMN
Partial replacement of splitter column shell between EL 2600 (Tray no 4) to EL 11800(Manway 3).
Replace platform 2 chequered plates with EIL Type II gratings (2 square meter).
Skirt fire-proofing shall be removed at 3 locations to assess the condition of skirt plate.
Anticipate for patch work repairs in next M&I.
Damaged foundation to be rectified in next available opportunity.
19-C-02 C3-C3 SPLITTER COLUMN
Complete skirt fire proofing renewal shall be done at the earliest.
Anticipate patch plate welding on skirt plate (1 square meter)
Patched 2” LT nozzle near skirt to be replaced.
19-C-11 CONDENSATE POT OF 19-E-03
Monitor the thickness 3” Nozzle A , 2” SP1 nozzle and 2” SP2 nozzle in the next M&I.
19-C-12 CONDENSATE POT OF 19-E-05
Anticipate replacement SP2, B & V nozzles in next M&I S/D.
19-C-31 BB FRACTIONATOR COLUMN
Complete insulation renewal shall be carried out in next available opportunity.
Anticipate patch repair on shell in the next M &I S/D.
Skirt fire-proofing shall be removed at 3 locations to assess the condition of skirt plate.
Anticipate for patch work repairs in next M&I.
Platform chequered plates of (4 nos) to be replaced with EIL type II profile gratings (Approx 50 Square meters )
19-C-32 BUTENE SIDE RECTIFIER
Anticipate Replacement of shell in the next M&I S/D.
19-D-01 DM WATER TANK
Chennai Petroleum Corporation Limited (A group company of Indian Oil)
Technical - Inspection
Leg support fire proofing (3 nos) to be rectified
Chennai Petroleum Corporation Limited (A group company of Indian Oil)
Technical - Inspection
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Refinery - II M&I S/D Oct-Nov 2018 - Inspection Report
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Refinery - II M&I S/D Oct-Nov 2018 - Inspection Report
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CONSOLIDATED SHUTDOWN
RECOMMENDATIONS