Refinery - II M&I SD Oct-Nov 2018

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Chennai Petroleum Corporation Limited (A group company of Indian Oil)
Technical - Inspection
Chennai Petroleum Corporation Limited (A group company of Indian Oil)
Technical - Inspection
S NO FROM TO PIPE LINE NO.
11
17-C-43 to 17-C-44
piping
12 17-GM-01 Disch.
17-C-44 to storage
piping
ORIGINAL
THICK
mm
MIN. THICK
mm
6"-P-17-410-A1A 7.1 4.7
17-D-42 (Caustic 1 1/2"-GC-17-205-A9A
Storage )Tank / 3"-GC-17-425-A9A
REMARKS
Dropped/ Next
opportunity
IWL:9910-017-005-
2018
5.1 / 5.5 5.3 / 5.2 OK
13 17-C-02 PSV-01 FLARE HEADER 2"/3"-17-FL-201-A1A 5.5/5.5 4.2/4.5 OK
2.5.2.6 PIPING GAUGING AT PLANT-17 (Uninsulated Piping)
S NO FROM TO PIPE LINE NO.
ORIGINAL
THICK
mm
MIN.
THICK
mm
1 17-C-22 17-GM-21A/B 3/4"GI-17-106-A9A 3.9 Nil
2
3
4
5
17-C-20A/B Bot.
piping
17-C-20A/B Bot.
piping
17-C-20A/B Bot.
piping
17-E-20 Shell
Outlet
17-GM-21A/B
piping
4"-P-17-105-A9A-
Is
REMARKS
Hammer tested
& Visually
checked found
Ok
6.0 5.6 OK
17-GM-20 Suc. 4"-P-17-108-A9A 6.0 5.4 OK
17-E-20 Shell
Inlet
6 17-C-20A 17-C-20B
7 17-C-20A/B Drain 17-C-21 Pot
8 17-C-02 Top 17-C-03 Tray 1
3"-P-17-121-
A9A/A1A-Is
5.5 4.5
17-D-20 3"-P-17-122-A1A 5.5 3.0
1"-P-17-128/127-
A9A/2"-P17-113-
A9A, 2"-P17-117-
A1A
1"-P-17-115/116-
A9A
3"/2"-P-17-204-
B7A
3" P&ID but 4”
in field
IWLNo:9910-
017-002-2018
Not replaced,
redundant Line
4.6/5.5 5.7/- OK
4.6 6.5 OK
5.5/5.5 6.2/4.3 OK
9 17-C-03 top 17-C-04 top 3"-P-17-206-B7A 5.5 4.6 OK
10 17-C-11 17-C-12 2"-P-17-304-B7A 5.5 4.7 OK
11 17-C-04 17-C-05Top 3"-P-17-209-B7A 5.5 4.8 OK
12
17-C-04 to 17-C-
05 piping
17-C-05 to 17-
C-02 piping
3"-P-17-210-B7A 5.5 6.5 OK
13 17-C-07 17-C-08 Top 2"-P-17-216-A9A 5.5 5.3 OK
S NO FROM TO PIPE LINE NO.
14 17-C-41 bottom
15 17-C-40 drain
16 17-C-41 bottom
17 17-C-44 bottom
18
17-GM-42/43
disch.
17-GM-42/43
suction
17-GM-42/43
suction piping
17-GM-42/43
suction
17-GM-42/43
suction
ORIGINAL
THICK
mm
MIN.
THICK
mm
REMARKS
3"-P-17-422-A9A 5.5 4.4 OK
3"-P-17-422-A9A 5.5 3.9
Replacement to
be done in next
opportunity
3"-P-17-417-A1A 5.5 4.4 OK
3"-P-17-414-A1A 5.5 4.4 OK
17-C-40 6"-P-17-435-A9A 7.1 5.6 OK
19 17-C-40 Bot. 17-C-41 Top 6"-P-17-404-A9A 7.1 5.3 OK
20 17-C-41 Top. 17-C-42 Bot. 6"-P-17-405-A1A 7.1 5.8 OK
21 17-C-42 Top. 17-C-43 Bot.
22 17-C-43 Top. 17-C-44 top
23
17-C-10 bottom
pump out
24 17-C-08 top
25
17-GM-02A/B
disch.
26 17-C-07 bottom
17-GM-02A/B
suction piping
17-GM-02A/B
suction
17-C-10
17-GM-03A/B
suction piping
6"-P-17-407/408-
A1A
6"-P-17-407/408-
A1A
1"-P-17-227-
A1A,2"-P17-226-
A1A
1"-P-17-219-
A1A,1"-P-17-220-
A1A
1"-P-17-222-
A1A,1-P-17-221-
A1A
7.1 5.8
7.1 4.7
4.6 / 5.5 4.2/3.2
Dropped/Next
opportunity IWL
No:9910-017-
005-2018
Replacement to
be done in next
opportunity
4.6 4.4 OK
4.6 4.1 OK
1"-P-17-210-A9A 4.6 5.3 OK
27 17-C-08 top 17-C-09 1"-P-17-229-A1A 4.6 3.1
Replacement to
be done in next
opportunity
28 Kerosene from CDU 17-A-40 6"-P-15-380-B1A 7.1 5.9 OK
29 17-A-40
30 17-C-01 Bot.
17-Y-41 (Air
Mixer)
17-GM-01
Suction
31 17-C-02 Bottom 17-C-01
32 17-C-03 bottom
33 17-C-04 bottom
34 17-C-05 bottom
35 17-C-06 bottom
Rich Caustic
header
Rich Caustic
header
Rich Caustic
header
Rich Caustic
header
6"-P-15-402-A9A 7.1 5.5 OK
2"-GC-17-204-A9A 5.5 4.2 OK
2"/1" -GC-17-
203/201-A9A
1-1/2"-GC-206-
B7A/A9A
1-GC-207/207-1-
B7A/A9A
1-GC-208-
B7A/A9A, 2"-P17-
213-B7A
1-GC-215-
B7A,1.5"-GC-206-
5.5/4.6 5.0/- OK
5.1 4.4 OK
4.6 5.0 OK
4.6 / 5.5 5.3/4.7 OK
4.6 / 5.1 4.7/7.2 OK
CRUDE DISTILLATION UNIT
(CDU/ VDU-II PLANT-15, 17, 18)
292
Refinery - II M&I S/D Oct-Nov 2018 - Inspection Report
Refinery - II M&I S/D Oct-Nov 2018 - Inspection Report
293