Document 06E1mojLEqL1oaodVBaDr9dx
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DEMO off 2H HOT OIL RETURN LINE TO EM70
'Revm^v^l of "V- 410 For Re pairs
PROCEDURE
Ot-07-lHJ hart
Sfl FETY
Step
AcUm
1 JOB MUST BE WALKED OUT & UNDERSTOOD BY EVERYONE BEFORE THE PERMTT IS ISSUED
2 ALL LINE OPENINGS MUST BE IDENTIFIED, WITH LINE OPENING SUCKERS, PIPE PAINTED PURPLE
3 MONOGOGGLES ARE REQUIRED FOR LINE OPENINGS
4 SAFETY HARNESS MUST BE USED FOR WORKING
ABOVE GROUND LEVELS
5 EACH PERSON ON THE JOB MUST HAVE NORMAL BLOCK SAFETY EQUIPMENT ON HIS PERSON
4 MUST HAVE THE APPROVAL OF THE SAFETY OBSERVER TO START HOT WORK
7 IF A SLIP BUND OR BULL BLIND IS INSTALLED OR REMOVED, IT MUST BE UPDATED ON BUND LIST FOR THE JOB
9 FOLLOW SAFETY REFERANCE A-6 FOR PIPE STOPPER
9 OIL PADS SHOULD BE ON HAND WHEN SUP BUNDING EQUIPMENT FOR HOT WORK
19 SPECIAL PRECAUTIONS WHEN DEALING WTIH SYSTEM
1#A HOT OIL WHEN EMPTING SYSTEM
ADAM MlCHtLPhe* Author* nacM A
00 A 019130 OONFIDFNTIAI
DEMO of 2" HOT OIL RETURN LINE TO D-470
MB PIPE STOPPER PROCEDURENEEDS TO BE FOLLOWED S.&LP. A-6 WIIH CHECK SHEET FILLED OUT
MC OIL SHEEN IF LINES ARE NOT TAKEN DOWN PROPERLY
MD A DOUBLE BLOCK A BLEED WILL BE USED FOR ISOLATION ON R-250 A / B RETURN OIL LINES
( SEE DRAWING )
15 'Peurntr ;s KQump
Rem e>v/n-t
I* 'DcuSELL U)!LL
a/ 0-470,
v-t?a
EXPLANATIONS OF EACH STEP
00 a 019131 00NFT0FNTTA1,
OPEN PLAN ACTLINE
PROJECT: PROJ146I
Aclj .Y
DESCRIPTION
EQUIP <LINE LINE-DESCRIPTION
DOW CHEMICAL LAD ACTIVITY LINE ITEM LISTING by ACTIVITY NUMBER
Filter: EQUIP = 'D-470 ' METHANES SHUTDOWN 1461
PAGE: 1 REPORT DATE:28MAY93
TIME NOU:15-AUG-07:OQ
ENGR
AREA
DUR CAL MANJKXJRS TYPE WORK CREW
CHAMPS
MAN-HRS C.E.CODE QUANTITY MHrs/EACH >
SDD470-A1
BUILD SCAFFOLD TO ISOLATE H/O LINE
D-470
SD
TRICE
8 16 HOT OIL
.0 PREWORK
SCAFF I
< 1 SCAFFOLD AT E-52 RETURN LINE < 2 SCAFFOLD AT 3" PUMP RECIRC. LINE < 3 SCAFFOLD AT COLD CUT & WELD
.0 .0 .0
0 0 0
SDD470-B1 REMOVE INSULATION TO SLIP BLIND H/O LINE
8 16
D-470
SD
TRICE
HOT OIL
6.0 PREWORK
INSUL I
< 1 REMOVE INSULATION TO INSTALL 2" S/B < 2 REMOVE INSULATION TO INSTALL 3" S/B < 3 REMOVE INSULATION TO INSTALL 8" S/B < 4 REMOVE INSULATION TO CUT & WELD LINE < 5 REMOVE INSULATION TO INSTALL 8" S/B
1.0 1.0 2.0 1.0 1.0
N
0 0 0 0 0
CLEAR D-470 & BAD TRACING LINES
D-470
SD
TRICE
< 1 SEE CLEAR PROCEDURE < 2 COOL DOWN OIL IN D-470 < 3 EMPTY D-470 TO T-252 < 4 LOW POINT D-470 TO T-252
16 5
.0 OP
HOT OIL
PREWORK I
.0 .0 .0 .0
0
0 0 0 0
SDD470-C2
DYE CHECK PAD EYES ON D-470 D-470
4 21 HOT OIL
< 1 DYE CHECK PAD EYES ON D-470
.0 MTS 0
MTS 0
SDD470-D1
S/B D-470 HOT OIL RETURN LINE
D-470
SD
TRICE
HOT OIL
< 1 SLIP BLIND E-52 RETURN D-470 SIDE < 2 SLIP BLIND P-470 RECIRC. D-470 SIDE < 3 SLIP BLIND BYPASS R-250A RETURN D-470 SIDE < 4 SLIP BLIND BYPASS R-250B RETURN D-470 SIDE
7.7
PF I
1.5 .0
3.1 3.1
PF
0 0 0 0
>
. .> .> .> .>
,> >
,> >
>
> > > >
A00
comp
TFNTToi.
OPEN PLAN ACTLINE
PROJECT: PROJ146I
acI ! <r
DESCRIPTION <LINE
EQUIP LINE-DESCRIPTION
DOW CHEMICAL LAO ACTIVITY LINE ITEM LISTING by ACTIVITY NUMBER
Filter: EQUIP `D-470 1 METHANES SHUTDOWN 1461
PAGE: 2 REPORT DATE-.Z8MAY93
TIME NOW:15-AUG-07:Q0
ENGR
AREA
DUR CAL MAN_HOURS TYPE WORK CREW
CHAMPS
MAN-HRS C.E.CODE QUANTITY MHrs/EACH >
SDD470-E1
PREPARE TO COLD CUT AND WELD FLG 2" TRACING RETR
D-470
SD
TRICE
HOT OIL
6
5
< 1 DEMO 4' 2" HOT OIL RETURN LINE < 2 CLEAR RESIDUE OIL BEFORE INSTALLING SEWER PLUG < 3 INSTALL SEWER PLUG < 4 WELD 2" 300# FLG. < 5 INSTALL 2" 300# VALVE ON NEW FLG. < 6 INSTALL B/B ON VALVE
11.1
PF I
2.0 2.0 1.5 2.1 2.0 1.5
PF
0 0 0 0 0 0
> > > > > >
SDD470-F1
REMOVE ALL SLIP BLINDS ON HOT OIL RETURN LINE
D-470
SD
TRICE
HOT OIL
5
5
< 1 REMOVE S/B E-52 RETURN LINE & BUTTON UP < 2 REMOVE S/B P-470 RECIRC. & BUTTON UP < 3 REMOVE S/B BYPASS R-250A & BUTTON UP < 4 REMOVE S/B BYPASS R-250B & BUTTON UP
9.5
PF I
1.5 1.8 3.1 3.1
PF
(M
O
SD. J1 INSULATE D-470 VESSEL D-470
< 1 INSULATE D-470 VESSEL
HOT OIL
.0 PREWORK
INSUL
.0
N
0
,>
SDD47Q-J2
CHECK SCAFFOLD ON D-470 D-470
< 1 CHECK SCAFFOLD ON D-470
4 21 HOT OIL
.0 PREWORK
SCAFF
.0
S 0
#>
SDD470-K1
REMOVE EXISTING D-470 INSULATION D-470
HOT OIL
8
5
< 1 REMOVE EXISTING D-470 INSULATION
.0 INSUL
N
.0 0
V.
>
SDD470-L1
REMOVE D-470 INSTR D-470
HOT OIL
6
12.0 t/E
I/E
00 A 019133 CONFIDENTIAL
OPEN PLAN ACTLINE
PROJECT: PR0J146I
"VI
ACT
............................
,Y DESCRIPTION
EQUIP
<LINE LINE-DESCRIPTION
DOW CHEMICAL LAD ACTIVITY LINE ITEM LISTING by ACTIVITY NUMBER
Filter: EOUIP * 'D-470 METHANES SHUTDOWN 1461
PAGE: 3 REPORT DATE:28MAY93
TIME NOW:15-AUG-Q7:Q0
ENGR
AREA
DUR CAL MAN_ HOURS TYPE WORK CREW
CHAMPS
MAN-HRS C.E.COOE QUANTITY MHrs/EACH >
< 1 REMOVE PSH-8991 < 2 REMOVE PT-8977 < 3 REMOVE LSHH-8976 < 4 REMOVE LSL-8979 < 5 REMOVE LT-8975 < 6 DISCONNECT GROUND CABLE
2.0 2.0 2.0 2.0 2.0 2.0
0> 0> 0> 0> 0> 0>
SDD470-M1
DISCONNECT AND REMOVE D-470 D-470
10 HOT OIL
5
< 1 DISCONNECT NZ LINE TO PSV'S N2-1900 < 2 REMOVE HD-2030 FROM D-470 TO 3-WAY VALVE < 3 B/B BOTTOM OF 3 WAY VALVE & SPOOL < 4 REMOVE VENT TO C/L SPOOL < 5 B/B VENT AND C/L < 6 DISCONNECT HO-2029 3" 300# < 7 DISCONNECT HO-2058 16" 300# < 8 DISCONNECT HO-Z056 6" 300# < 9 DISCONNECT HO-2010 20" 300# < 10 REMOVE LSHH STRONG BACK & VALVES < 11 B/B VALVES ON STRONG BACK < 12 REMOVE VALVES FOR LT-8975 WRAP IN VISQUEEN < "--iiEnagrvHP?nnr-noEELE b i iob"
< 14 REMOVE VALVE ON NOZZLE M 2" 300# < 15 REMOVE VALVE ON NOZZLE E 3" 300# < 16 WRAP VALVES IN VISQUEEN < 17 REMOVE ANCHOR BOLTS < 18 REMOVE D-470 < 19 D-470 WEIGHTS 45,600# < 20 TOP OF D-470 TO FACE BACK OF TRUCK
55.6 PF
1.5 3.0 1.5 4.5 1.5 1.7 7.4 2.6 8.8 3.0 3.0 3.4 1.3 1.0 1.4 1.0 1.0 8.0
.0 .0
PF
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> > > > > > > > > > > > > > > > > > > >
SD0470-N1
SET UP TO WASH D-470 D-470
HOT OIL
7
5
< 1 INSTALL 5 EA. 2" B/B 300# < 2 INSTALL 1 EA. 1-1/2" B/B 300# < 3 INSTALL 3 EA. 3" B/B 300# < 4 INSTALL 1 EA. 6" B/B 300#
< 5 INSTALL 1 EA. 16" 300# FLG. W/3" FITTING
< 6 INSTALL 1 EA. 20" 300# FLG. W/3" FITTING < 7 MOVE TO DECON AREA < 8 INSTALL 3" 300# FLG. W/3" FITTING
42.0 PF
7.5 .5
7.2 2.6 7.4 8.8 8.0
.0
PF
0 0 0 0 0 0 0 0
> > > > > > > >
DO A 01.9104 rONFIDFNTIAI.
OPEN PLAN ACTL1NE
PROJECT: PROJ146I
DOU CHEMICAL LAD ACTIVITY LINE ITEM LISTING by ACTIVITY NUMBER
Filter: EQUIP = 'D-470 ' METHANES SHUTDOWN 1461
PAGE: 4 REPORT DATE:28MAY93
TIME NOW:15-AUG-07:00
AC? TY
DESCRIPTION <LINE
EQUIP LINE-DESCRIPTION
ENGR
AREA
DUR CAL MAN_HOURS TYPE WORK CREW
CHAMPS
MAN-HRS C.E.COOE QUANTITY MHrs/EACH >
SDD470-N10 OPERATION TO SET UP TO DRY D-470 D-470
HOT OIL
Z
4
< 1 TIE NZ TO D-470 TO DRY < Z ESTABLISH FLOW ON ALL NOZZLES
.0 OP
.0 .0
0
0 0
> >
SDD470-N11 DRY D-470
D-470
< 1 DRY D-470
12 HOT OIL
4
.0 N2
.0
N2 0
.>
SDD470-N1Z REMOVE BULL BLINDS & FITTINGS ON D-470 D-470
<0
HOT OIL
.0 PF
.0
PF 0
SOP^'-NZ
CLEAN D-470 D-470
16 HOT OIL
1 CLEAN D-470 2 HAS TO BE CLEAN & READY FOR V/E
D/W
D/W
SDD470-N3
PURGE D-470 D-470
< 1 PURGE D-470 WITH AIR
HOT OIL
2
4
.0 OP
.0
0 0
>
SDD470-N4
PULL MANWAY ON D-470 D-470
< 1 PULL 24" 300# MANWAY
HOT OIL
0
5
.0 PF
.0
PF 0
SD0470-N5
RUN BAG SAMPLE ON D-470 D-470
HOT OIL
Z
4
.0 OP
0
00 A 019135 CONFIDENTIAL
OPEN PLAN ACTLINE
PROJECT: PROJ146I
DOW CHEMICAL LAD ACTIVITY LINE ITEM LISTING by ACTIVITY NUMBER
Filter: EQUIP = 'D-470 METHANES SHUTDOWN 1461
PAGE: 5 REPORT DATE:28MAY93
TIME NOW:15-AUG-Q7:00
act ! iy
DESCRIPTION <LINE
EQUIP LINE-DESCRIPTION
ENGR
AREA
< 1 RUN BAG SAMPLE ON D-470 < 2 INSPECT FOR INTERNAL DAMAGE < 3 NDT V/E INSPECT FROM MANWAY
OUR CAL MAN_HOUR$ TYPE WORK CREW
CHAMPS
MAN-HRS
.0 .0 .0
C.E. CODE QUANTITY
0 0 0
MHrs/EACH >
.>
*> *>
SDD470-N6
SEND D-470 TO SHOP D-470
HOT OIL
4
< 1 SEND D-470 TO SHOP FOR REPAIR
5
8.0 PF 8.0
PF 0
>
SDD470-N7
REPAIR D 470 D-470
30 HOT OIL
< 1 REPLCE NOZZLE H 24" 300# < 2 REPLACE NOZZLE C 1-1/2" 300# < 3 REPLACE NOZZLE L 2" 300# < 4 CMP TO INSPECT D-470 PRIOR TO HYDRO < 5 HYDRO D-470 TO 450# FOR ONE HOUR
4
.0 FAB SHOP OUT
.0 0 .0 0 .0 0 .0 0 .0 0
> > > > >
SDi N8 SHIP D-470 BACK TO CMP D-470
< 1 SHIP D-470 BACK TO CMP
HOT OIL
4
5
8.0 PF 8.0
PF 0
SDD470-N9
SET UP TO DRY D-470 . D-470
< 1 INSTALL M/W LOOSE 24" 300# < 2 LOOSEN UP ALL 10 B/B'S
HOT OIL
2
5
8.0 PF
2.0 6.0
PF
0 0
SDD470-01
INSTALL NEW D-470 D-470
HOT OIL
9
< 1 D-470 WEIGHTS 45,600# < 2 INSTALL NEW D-470 < 3 REINSTALL VALVE ON NOZZLE D 3" 300# < 4 REINSTALL VALVE ON NOZZLE M 2" 300# < 5 REINSTALL VALVE ON NOZZLE E 3" 300# < 6 REINSTALL VALVES FOR LT-8975 2" 300#
5
52.2 PF
.0 4.0 2.8 2.0 2.8 4.0
PF
0 0 0 0 0 0
>
> >
,> .> ,> ,> ,> ,>
DO A 019136 conftdfnttai.
OPEN PLAN ACTLINE
PROJECT: PROJ146I
AcV . TY
DESCRIPTION <LINE
EQUIP LINE-DESCRIPTION
DOW CHEMICAL LAO ACTIVITY LINE ITEM LISTING by ACTIVITY NUMBER
Filter: EQUIP = 'D-470 ' METHANES SHUTDOWN 1461
PAGE: 6 REPORT DATE:28MAY93
TIME NOW:15-AUG-07:00
ENGR
AREA
DUR CAL MAN_HOURS TYPE WORK CREW
CHAMPS
MAN-HRS C.E.CODE QUANTITY MHrs/EACH >
< 7 REMOVE B/B ON STRONG BACK < 8 REINSTALL LSHH STRONG BACK & VALVES < 9 BOLT UP HD-2010 20" 300# < 10 BOLT UP HD-2056 6" 300# < 11 BOLT UP HD-2029 16" 300# < 12 BOLT UP HD-2058 3" 300# < 13 REMOVE B/B'S VENT AND C/L < 14 INSTALL VENT TO C/L SPOOL < 15 REMOVE B/B'S FROM 3 WAY AND SPOOL < 16 INSTALL SPOOL TO 3 WAY VALVE < 17 BOLT UP N2 LINE TO PSV'S
3.0 3.0 8.8 2.6 7.4 1.8 1.5 4.5 1.5 1.0 1.5
0> 0> 0> 0> 0> 0> 0> 0> 0> 0> 0>
SDD470-P1
REINSTALL D- 470 INSTR. D-470
HOT OIL
6
< 1 REINSTALL PSH-8991 < 2 REINSTALL PT-8977 < 3 REINSTALL LSHH-8976 < 4 REINSTALL LSL-8979 < 5 REINSTALL LT-8975 < 6 RECONNECT D-470 GROUND CABLE
5
12.0 I/E
2.0 2.0 2.0 2.0 2.0 2.0
I/E
0 0 0 0 0 0
> > > > > >
SDD470-Q1
PRESSURE TEST D-470 D-470
< 1 PRESSURE TEST D-470
HOT OIL
4
4
.0 OP .0
0 0
.>
SDD470-Q2
START UP D-470 D-470
* 1 START UP D-470
HOT OIL
84
.0 OP
.0
0 0
>
SDD470-R1
COMPLETE INSULATION ON D-470 D-470
HOT OIL
6
< 1 COMPLETE INSUL ON D-470 < 2 INSULATE 16" RETURN LINE AT D-470 < 3 INSULATE 2" E-52 RETURN LINE < 4 INSULATE 3" PUMP RECIRC. LINE < 5 INSULATE 8" BYPASS R-250A RETURN
5
42.0 INSUL
N
.0 14.0
4.0 4.0 10.0
0 0 0 0 0
.> ,> .> .> .>
DO A 019137 CONFTOFTNTT Al.
OPEN PLAN ACTLINE
PROJECT: PROJ146I
DOW CHEMICAL LAD ACTIVITY LINE ITEM LISTING by ACTIVITY NUMBER
Filter: EQUIP * 'D-470 ' METHANES SHUTDOWN 1461
PAGE: 7 REPORT DATE:28MAY93
TIME NOW:15-AUG-07:00
ACW i'Y
DESCRIPTION EQUIP
<LINE LINE-DESCRIPTION
ENGR
AREA
DUR CAL MAN_HOURS TYPE WORK CREW
CHAMPS
MAN-HRS C.E.COOE QUANTITY MHra/EACH >
< 6 INSULATE 8" BYPASS R-250B RETURN
10.0
0
00 A 01.913R OONFTDFNTTAl.
D-470 COOLDOWN PROCEDURE
Prework: Scaffold E-52 return valve.
This procedure assumes:
a. HCI Purification is down . b. Both R-250's are down, padded and depadded, and purging with nitrogen to
atmosphere. c. Only one hot oil pump is running.
See attached drawing.
1. Manually block in oil to and from E-52.
2. Manually block oil to and from R-250A.
a. Block in FCV upstream valve. b. Close flow control valve on TDC. c. Block E-470 valve to R-250A temperature control loop. d. Block E-480 valve to R-250A temperature control loop.
3. Manually block in 475 psig steam to E-470.
4. Line up E-475 cooldown loop.
a. Turn on E-475 fan. b. Slowly open 3 valves near P-475 to allow hot oil to fill up cooldown piping, (see
drawing) c. Slowly open R-250B cooldown HIC valve (HIC-6066, TDC group 151, slot 6)
until it is 100 % open.
5. Manually block oil to R-250B.
a. Block E-470 valve to R-250A temperature control loop. b. Block E-480 valve to R-250A temperature control loop.
6. Monitor the R-250B hot oil flow to ensure oil is flowing through E-475 and back to D-470.
7. Monitor the oil temperature in D-470. When the oil gets below 90 deg C, we will
begin putting it in T-252.
'
oX
JJS 6/93
D-470 DRAIN AND CLEARING PROCEDURE
Prework:
Ensure T-252 level is low enough to handle D-470 liquid and associated piping.
Run tubing to low point D-470 to T-252 (See tubing drawing).
Cut a red tag master for pulling D-470 master and write out tags. (See attached list)
Scaffold D-470.
Locate 3 P-470 AOV clamps.
This procedure assumes:
Procedure. temperaturefrrD-470 is below aft deg C.
See attached drawing.
^rXlosetbe up^ri^Vedrcutatk^
ailow oil
- from 0-470 to enters 52r Monitor both the drum andtahk feveTon TDCTai well as *jie"tjressure^^|HhS?H th^Tield.
W^Cfose the R-25OB FdVZ^tream- ti&SgfflgWttttTySiS wefasthe R-250B
Jk.V. IT*
4. Shut off E-475 fan.
fWben CbA&aOt^mpty;goTo theF4Wpumps and shutdown the running pump -when it gases out. -
6. Close the D-470 pressure control valve and pressure up D-470 to about 25 psig.
Note: There is a hole in the manway so rope off the area to prevent anyone from being hit with a oil laden mist.
7. Low point D-470,to T-252 via the prerun tubing. When complete open bleeds to ` ensure all the oil is removed.
8. Red tag the system as per drawing.
JJS 6/93
00 A 01914? CONFTDFNTT Al.
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JJV fi/93
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00 A 019145 CONFIDENT!Al
CHECKLIST (ATTACHMENT 1)
NOTIFICATION OF PROCESS CHANGE CHECKLIST
Originator: CtSZE'i
............................. Date of Origination:
o i f-
T/?*
P - ' Date of Change .......7"....?=?.............................. Area: Hot oil (HYQR'
........ ./.................
Temporary ........................
From ................................. To ......................................................
Description and Location of Change (Scope)
........OiL____ frJkHHf......................kfJJJL................................. rk.......BJ*.
\AJ [Aj,OU-sb ssfiA___
Technical Basis for Change:._.................. _____ !ci?..................................... ..............^k.?,.......isSd...(A.......HAfi.___ _______
i--|
0/J r/iif /liter Trt'hf
>7.............. ......................f*........... 'A
r/'<r'
0 /w UviATfosJ
At Q-qte
Cur Ll^r\................................................v.../..f................................................
Impact on: I____ I Safety
I____ I Loss Prevention
I___ I Environment |___ | Health
Type of Change;____
ii
I I Alarm
1------1 Shutdown Point
Instrument
Process Computer Control
Addition or Removal of Equipment
[*] Piping Modification
1____| Equipment/Material Modification
Job Procedure
I----- 1 I I Other
Pre-Modification Checklist:
Applicable N/A
Initials
|| I___ | Chemical
~7 ^7
Consult piping and equipment specifications.
Perform Reactive Chemicals testing. l/7/93In-Progress? Add materials involved to Toxic Substance Control Act (TSCA) inventory.
Calculate impact on F&EI and CEI
IZ
J 7
Comply with Engineering Practices. Comply with Technology Center guidelines. Comply with Dow "Environmental Protection Guidlelines for Operations".
Comply with Safety and Loss Prevention requirements.
_.lZ
Consult maintenance. (Name)__ _______________________C21i7A_____
Consult instrument and electrical technician. (Name)_________
Consult parts technician.(Name)____ _____________________ ___________
Evaluate and modify relief system.(Name)_________ __________________
7 Contact Industrial Hygiene.(Name)..,,_________________________________
7 Contact Process Engineering. (Name).________________________________
/ Complete required reviews. (Name them)____________ ________________
"7 Other
Post-Modification Checklist: (Before startup)
7~ ~7~ "7
/
7
3H
Perform pre-startup audit. Instrument loop drawings. Electrical drawings. Complete or update training program. Job procedures written and approved. P&ID's, process flow sheets and plot plans updated.
Personnel trained on the change.
Critical instrument checklist updated.
Computer code and documentation changed.
Department Head/Superintendent
&J2JS-L______
Fwm No 470-00162-291
DO A 01.9146
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