iii. sulfur receiving and acid storage tank · pdf fileiii. sulfur receiving and acid storage...

III. Sulfur Receiving and Acid Storage Tank Area

1. Sulfur pump up pumps east and west2. Sulfur transfer pumps units 10 and 11 North and South3. Sulfuric Storage Tanks l-44. Sulfuric Storage Tank 55. Sulfuric Storage Tank 66. Sulfuric Storage Tank 7

SPECIFIC LOCKOUT PR~EiXJRE PAGE 1PUNTSULF~JRIC ACIDEQUIPMENT: SULFUR PUMP UP PUMPS EAST AND WEST TANKSNUMBER: NAELECTRICAL LOCK OUT: UNIT 10 MCC ROOM

EAST PUMP CUBICLE 10WEST PUMP CUBICLE 7

_.......

1 PURPOSE: TO SECURE EQUIPMENT FOR MAINTENANCE OR CLEANING. AFFECTED EMPLOYEES: PLANT OPERATORS,i2

i OPERATOR TRAINEES AND MAINTENMCE MECHANICS. Ii

ACCID~AL SART UP OR RELEASE OF STORED

2. PLACE A LOCK ON THE ENERGY ISOLATING DEVICE IxmTRIcm4so VOLTS CUBICAL EXPWSHIN, ENEXGIZI?JG..mcXl-ED ON THE CUBICAL DOOR. SWTI-CHGEAR ACCIDENTAL START UP OR RELEASE OF STOREDLOCATED IN RESPECIlVE PLANT MCC ROOMS.

3. TRY START BU’lTON LOCATED NEtT TO F’UMP. IF lzLEcmK~4so VOLTS C U B I C A L EXPLUSION, U N - ENERGIZING.,PUMP DOES NUT START PROCEED TO NEXT STEP, ACCIDENTAL START UP OR RELEASE OF STOREDOTHERiVISE CONTAm SUPERVISOR BEFORECONTINUING ON TO NEXT STEP.

4. CU)SE AND CHAIN LOCK SULFUR DISCHARGE LINE MOLTEN SULFUR 27@F CHEMICAL AND THERMAL BURNSBLOCK VALVE.

5. CLOSE AND CHAIN LOGIC STEAM LINE TO PUMP 35 PSISTEAM3O@F THERMALBURNS

6 CLOSE AND CHAIN LOCK STEAM CONDENSATE LINE THERMALBURNSCOMING FROM PUMP.

7. ALL PERSONNEL WORKING ON SYSTEM WUL ASSURE CUBICAL EXPLOSION, UNEXPBCTED ENERGIZING.,THEIR SELF THAT THE ABOVE IS ISOLATED AND STEAM 3OU’F, WATER 146F ACCIDENTAL START UP OR RELEASE OF STOREDINSTALL THEIR PERSONAL LOCKS ON ALL LOCKOUTS. ENERGY, CHEMICAL AND THERMAL BURNS

STEAM 306F, WATER 146FCUBICAL EXPLOSION, UNEXPECTED ENERGIZING.,ACCIDENTAL START UP OR RELEASE OF STOREDENERGY, CHEMICAL AND THERMAL BURNS

SPECIFIC LOCKOUT PROCEDURE PAGE 1P’LAN’RSULFURIC ACIDEQUIPMENT= SULFUR TRANSFER PUMPS UNITS 10 AND 11 NORTH AND

SOUTHNUMBER: NAELECTRICAL LOCK OUT: UNIT 10 MCC ROOM UlO SOUTH PUMP 6

Ull SOUTH PUMP 9E&I MCC ROOM NORTH PUMP UlO 13 Ull14

1 PURPOSE: TO SECURE EQUIPMENT FOR MAINTENANCE OR CLEANING.1 OPERATOR TRAINEES AND MAINTENANCE MECHANICS.

AFFECTED EMPu)YEES: PiANT OPERAltlRi, /I

PANELS.ACCIDENTAL START UP OR RELEASE OF SKBtED

2. PLACE A LOCK ON THE ENERGY ISOLATING DEVICE ELlXIRICAu480 VOLTS 2.LOCATED ON THE CUBICAL DOOR. UNIT 10 AND 11

CUBICAL EXPLOSION, UNMPECIED ENERGIZING.,ACCIDENTAL START UP OR RELEASE OF STORED

SOUI-H PUMPS I.iXATED IN RESPECI’IVE MCC ROOMS.UNK 10 AND I I NORTH PUMPS LOCATED IN E&I MCCROOM.

3. TRY START BU’ITON IN CONTROL ROOM AND BY ELECTRICAL’480 VOLTS CUBICAL MPUMON, UNEXPlXl-EDPUMP. IF PUMP DOES NOT START PROCEEDTO NEXT

ENERGIZING.,ACCIDENTAL START UP OR RELEASE OF STORED

STEP, 07HERWlSE CONTACT SUPERVISOR BEFOREmNTINUING ON TO NEXT STEP.

4. CLOSE AND CHAIN UXX SULFUR DEXZHARGE LINE MOLTEN SULFUR 27bp CHmKAL AND THERMAL BURNSBLOCK VALVE.

35PSI!nEAA43o(IF 5. THERMALBURNSTOPUMP

6 C=E AND CHAIN LOCK STEAM CONDENSATE LINE THERMALBURNSBIAXR VALVE COMING FROM PUMP.

THEJR SELF THAT THE ABOVE IS ISOLATED ANDINSTALLTHEIR PERSONAL IAKICS ON ALL LOCKOUTS.

lLECIWCAL’4SO VOLTS, MOLTEN SULFUR 27@+F, 35 PSISTEAM 3O@F, WATER l#F

7. CUBICAL EXPLOSION, UNEXPIZIED ENERGIZING.,ACCIDENTAL START UP OR RELEASE OF STCmEDENERGY, CHEMICAL AND THERMAL BURNS

STEAM 3O@F, WATER MPFENERGY, CHEMICAL AND THERMAL BURNS

SPECIFIC LOCKOUT PROCEDURE PAGE 1PLANT:SULFURIC ACIDEQUIPMENT: SULFURIC STORAGE TANKS l-4NUMBER: TANK1 45004, TANK2 45005, TANK3 45006 TANK4 45007ELECTRICAL LOCK OU?: NA

:“‘.............................................” . . . . . . . ...” . . . . .-.. . . . . . . . ...” . ...” . . . . . “...........“...W.........“l... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I....... . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . “.... . . . . . . . . . . . . ...“.. . . . . . . . . . . . . . . . . . . . .............................................. “.... ......” .....” ............ ““.” ......” .........._” ........1 PURPOSE: TO SECURE EQUIPMENT FOR AhiIll&#%NANCE OR CLEANING. AFFECTED EMPWYEES: PLANT OPERATORS, Ii OPERATOR TRAINEES AjVD I)IcAINTENANc& MECHANICS.. . . . . . . . . . . . . . . -......“......““~......-“....“.--. ..” .._...” . . . . . . . . ̂ ....... . - . . . . . . . “...“I... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...” . . . . “.....“.“....,.a... . . . . “.....“...” . . . . . . . . . ..“......“.“.....” . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..” . . . . . . . . . . . “...*.““-“-...” .. . . . . . . . . . “” f

SWURED .

2. VALVE IN TANK TO THE HEADER LINE LEADING m 98% SULFURIC ACID AT 12@F. CHFMICAL AND THERMAL BURNSPUMPS. VALVE UXATED ON THE SOUI’H SIDEBOITOM OF TANK.

3. DlSCONNUJf PRODUCI-ION LINE BEIWEEN BUXK 98 % SULFURIC ACID AT 12(IF. CHEMICAL AND THERMAL BURNSVALVE AND TANK AND INSTALL BLANKS

4. CHECK LEVEL IN TANK TO BE DRAINED AND TANKS 98% SULFURIC ACID AT 12@F. CHEMICAL AND THEBMAL BURNSON EITHER SIDE. IF LEVEL IN THESE TANKS IS BELOW18 FI-. AND PBODUCIION U NUI- GOING INTOTHEM,THEN PROCEED To NEXT STEP. GTHERWISE PUMPDOWN TANK LEVEL(S) TO BullW I8m BEKXE NEXTSTEP Is ATTEMPTED.

5. DISCONNECI- AND REMOVE ALL OVERFLOW LINES 98% SULFUBIC ACID AT 120’F. CHEMICAL AND THERMAL BURNSATTACHED TO ADJACENl’ TANKS (24 HAVE ANOVERFIDW LINE ON ERHEB SIDE.). INSTALL BLANKSOVER EACH OPENING WHERE OVERFulW PIPING WASREMOVED.

6. PUMPTANKDOWNTOIFTIINCHORFARTHER. 98% SULFURIC ACID AT IzbF. CHEMICAL AND THERMAL BURNS

7. CLOSE AND CHAIN m BLGCK VALVETO HEAJXB 98% SULFUBBZ ACID AT lz(IF. CHEMICAL ANDTHERMAL BURNSIBCATEDON KJITOMOFTANKSOUTHSlDE.

98% SULFUBIC ACID AT 12@F. CHEMICAL AND THERMAL BURNSPLACE DISCHARGE HOSE IN MANWAY UXATED ONTOP OF AN ADJACENT SULFUBIC mGE TANK.

98% SULFURIC ACID AT 12(pF. PLANT AIR AMBIENTTFMP lOOPSI

CHEMICAL AND THERMAL BURNS

IO. MONrrOR LEVEL IN TANK TO BE DRAINED. 10. 98% SULFURK! ACID AT 12@F. 10. CHEMICAL AND THERMAL BURNS

SPECIFIC bmou'r PROCEDUREPLANTMJLFURIC ACID

PAGE. ‘,z

EQUIPMENT: SriLmrruC STORAGE TANKS l-4# 9110-01-530, # 9110-01-535, # 9110-01-540, # 9110-01-545

--I

i PURPOSE: TO SECURE EQUIPMENT FOR MAINTENANCE OR CLEANING.f OPERATOR TWNEES AND h424Iijl~ANCE MECHANICS.

AFFECTED EMPLOYEES: PLANT OPERATORS, jI

11. WHENNOMORELlQUlDACIDISAVAILABLETOBB 11. 98% SULFURIC ACID AT 12@F. PLANT AIR AMBIENT Il. CHEMICAL ANDPUMPEDOUTGFTANK,SHUTOFFAlRllNETOPUMP. TEMP mPs1

12. CU35E VALVE ON MANWAY AND DI!XONNlXZ 12. 98% SULFURIC ACID AT 1uIF. 12. CHEMICAL AND THERMAL BURNSSucrwlN LINE.

13. INSTALL PAN BENEATH MANWAY DOOR. .

14. PLACE SUCXON LlNE IN PAN.

15. REMOVEMANWAY DOOR

16. START PUMP UP BY TURNlNG VALVE ON AIR LLNECONNEIEDTO PUMP. RUN AS NECESSARY TOREMOVE ACID FROM PAN.

13. 98% SULFURIC ACID AT 12@F. 13. CHEMlCAL AND THERMAL BURNS

14. 98% SULFURIC ACID AT Iz(IF. 14. CHEMICAL AND THERMAL BURNS

IS. 98% SULFURIC ACID AT 12@F. 15. CHEMKXL AND THERMAL BURNS

16. 98% SULFURKI ACID AT In. PLANT AlR AMBlENT 16. CHEMICAL AND THERMAL BURNSTEMP IOOPSI

17. ALL PERSONNEL WOBJUNG ON SYSTEM WILL ASSURE 17. 98% SULFURlC ACID AT IZ@F. PLANT AlR AMBIENT 17. CHEMlCAL AND THERMAL BURNSTHEIR SELF THAT THE ABOVE IS ISOLATED AND TEMP IOOPSI.INsTALLTHEIR PERSONALWCKSONALLUX!KOUTS.

18. REVERSE PROCEDURETO PUT LjQUlPMEHT BACK INKI 18. 98% SULFURlC ACID AT lun;. PLANT AIR AMBlENT 18. CHEMICAL AND THERMAL BURNSSE&VICE. TEMP loOPSI.

SPIEXXFIC LOCKOUT PROCEDUREPLANT:SULFURIC ACID

PAGE 1

EQUIPMENT= SULFURIC SI’ORAGE TANK 5NUMBER: 45008ELECTRICAL LOCK .OUT: E&I MCC ROOM CUBICLE 11................................“............................“....“.. .“.......“.“...--...“...“.....““...... ......I.........I.............................I.“............. .....”.......“.““..”.......................................“-”.................“....................“..---....I I...............”...

1 PURPOSE: TO SECURE EQUIPMENT FOR MlINTEN~CE OR CLEANING.1 OPERATOR T&$INEES AND MlUN~ANCE MECHANICS.

AFFECTED EMPWYEES: PLANT OPERATORS, II. ..- .“. ......... “.“. .................. “...” I... ....... .. ..... .,.,....L.,........---..“..... .. ......”..... ......--.....-” .... .“...” ....... ........... ...... .. L...............“.... .“. .... ..“. ......... “.........I . . . . .... I

PRODUCTION LlNE MICATED ON TGI’ Op TANK ‘Ml BESECURED.

2. CLOSE BIGCK VALVE LOCATED ABOVE SULFURIC 9398% SULFURIC ACID AT 12@F. CHEMICAL AND THERMAL BURNSTRUCK UNLGADING PUMP.

3. PULL DISCONNECT LEVERFOR PUMP AND PLACE lLEClRlCAU480 VOLTS, 93-98% SULFURIC ACID AT CUBICAL EXPLOSION , UNEXPECTED ENERGIZING.LOCK ON HANDLE LGCATED IN MCC ROOM AT E&I ACCIDENTAL START UP OR RELEASE OF STOREDSHOP. ENERGY, CHEMICAL AND THERMAL BURNS.

4. VEJUFY ENFRGY SOURCE IS DlSCONNEClZD BY ELECI’RICAIJ480 VOLTS, 93-9S% SIJW ACID AT CUBICAL EKPLGSION , UNEXPECTED ENERGIZING.DEPRESSING START BUTTON IGCATED NEXT TO ACCIDENTAL START UP OR RELEASE OF STOREDPUMP. IF PUMP FAIL3 TO START GO TG NEXT STEP ENERGY, CHEMICAL AND THERMAL BURNS.OTHERWISE CONTACT SUPERVISOR BEwilECONTINUING ON TO NEXT STEP.

5. VALVE IN TANK TO THE HEADER LINE WING TO 98% SULFURIC ACID AT I2@F. CHEMICAL AND THERMAL BURNSPUMPS. VALVE LOCATED ON THE SGUTH SIDEWITOM OF TANK. ,

6. DISCONNECT PRODUCTION LINE BETWEEN BWCK 98% SULFURIC ACID AT 12GF. CHEMICAL AND THERMAL BURNSVALVE ANDTANK AND INSTALL BLANKS

7. DISCONNECT UNIGADING LINE FOR SULFURIC 93-98% SULFURIC ACID AT 12@F. CHEMICAL AND THERMAL BURNSTRUCKS BETWEEN UNE AND TANK AND INSTALLBUNKS.

TANKS IS BEIGW IS FT. AND PRODUCITON IS NUTGOINGINTGTHETANKSTHENFROCEEDTONEXTSTEP. OTHERWISE PUMP DOWN TANK LBVEL(S) ToBEIGW MFI’BEFORE NEXT STEP Is AITBMI’TBD.

98% SULFURIC ACID AT 126p. CHEMRXL AND THERMAL BURNS

SPECIF ‘)LOCKOUT PROCEDUREPIANRSULFURIC ACIDEQUIPMENT= SULFURIC WORAGE TANKS 5

\GE 2

i PURPOSE: TO SECURE EQUIPMENT FOR MAINTENANCE OR CLEANING. AFFECTED EMPLOYEES: PLANT OPERATORS,i

OPERATOR TRAINEES AND MAlNlWWNCE MECHANICS. i

98% SULFUBIC ACID AT 12@F. CHEMICAL. AND THERMAL BURNS

IO. PUMP TANK DOWN TO I FT I INCH OB FARTHER. 10. 98% SULFURIC ACID AT IZ@F. 10. CHEMICAL AND THERMAL BURNS

II. CIJXE AND CHAIN IAXK BILKX VALVETO HEADER Il. 98% SULFURIC ACID AT 12@F. 11. CHEMICAL AND THERMAL BURNSIJXATED ON BarroM OF TANK SOUTH SIDE.

12. ATTACH PUMP TO MANWAY DOOR DRAiN VALVE AND 12. 98% SULFURIC ACID AT 12Q’F. 12. CHEMICAL. AND THERMAL BURNSPLACE DISCHARGE HOSE IN MANWAY WCATED ONTOP OF AN ADJACENT SULFUBIC STOBAGE TANK.

13. START PUMP BY OPENING ABl Ll?dE VALVETO PUMP. 13. 98% SULFURIC ACID AT 12@F. PLANT AIR AMBUENT 13. CHEMICAL AND THERMAL BURNSTEMP looPSI

14. MONm LEVEL IN TANK To BE DRAINED. 14. 98% SULFURIC ACID AT I2@F. 14. CHEMICAL AND THERMAL BURNS

15. WHEN NO MORE LIQUID ACID IS AVAILABLE TO BE 15. 98% SULFUIUC ACID AT 12@F. PLANT AlR AMBIENT 15. CHEMICAL AND THERMAL BURNSPUMPED OUT OF TANK, SHUT OFF AIR UNE TO PUMP. TEMP looPSI

16. CLOSE VALVE ON MANWAY AND DISCONNE<Jf 16. 98% SULFUBJC ACID AT 12@F. 16. CHEMICAL AND THERMAL BURNSSUCTION LINE.

17. INSTALL PAN BENEATH MANWAY DGOB.

18. PLACE SUCTION LINE IN PAN.

19. REMOVE MANWAY DOOB

20. START PUMP UP BY TURNING VALVE ON AIB LINECONNECTEDTO PUMP. RUN AS NfSXSSARY TOREMOVE ACID FBOAd PAN.

18. 98% SULFURIC ACID AT 12@F. 18. CHEMICAL AND THERMAL BURNS

19. 98% SULFURIC ACID AT 12@F. 19. CHEMICAL AND THERMAL BUBNS

20. 98% SULFLXIC ACID AT lZ(pP. PLANI- AIR AMBIENT 20. CHEMICAL AND THERMAL BURNSTBMP looPSI

SPECIFIC LOCKOUT PROCEDUREPIANTzmC ACID

PAGE 3

EQUIPMENT= SULFURIC !iXORAGE TANK 5

1 PURPOSE: TO SECURE EQUIPMENT FOR MAINTENANCE OR CLEANING. AFFECTED EMPWYEES: PLANT OPERATORS, ii OPERATOR TRAINEES AND MXINKENANCE MECHANICS.-.: I

THEIR SELF THAT THE ABOVE IS CKMATED ANDINSTALLTHEBlPERSONALU3CICSONALL~.

21. 98% SULFURBZ ACID AT IzbF. PLANT AIR AMBIENT 21. CHEMICAL AND THERMAL BURNS. CUBICALTEMP IamSI. IuIrmIcAu480 VOLTS EXPLOSION, UNEXPECTED ENERGIZING. ACCIDENTAL

STARTUPORBELEASEOFSKRED ENERGY.

22. REVERSE PROCEDURETO PUT EQUIPMENT BACK INTO 22. 98% SULFURIC AClD AT 12@F. PLANT AIR AMBIENT 22. CHEMICAL AND THERMAL BURNS. CUBICALSERVICE. TEMP IaoFSI. ELEcmICAu480 VOLls EXPLOSION, UNEXPECIED ENERGIZING. ACCIDENTAL

STABT UP OB RELEASE OF STOBED ENERGY.

SPECIFIC LOCKOUT PROCEDUREPLANT:SULF’URIC ACIDEQUIPMENT: SULFURIC STORAGE TANK 6NUMBER: 45009ELECTRICAL LOCK OUT: NA

PAGE 1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . “...” . . . . . . . . . . . . . ...” . . . . . . . . . . . . . . . . . “... . . . . “I”.... . ..“..” . . . . . . . . . . . . . . . . . . . . . . ..I......... . . . ..I.............. . . . ...” . . . . “.- . . . . . . . . ...” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...” . . . . . . . . . . “I . . . . . . . . . . . . . . . . . . ...” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . “.....“” .. . . . . “..‘.. . . . . . ““.“..... .. .. . . . . . . . ““...”.1 PURPOSE: TO SECURE EQUIPMENT FOR MdINTEN~CE OR CLEANING. AFFECTED EMPWYEES: PLANT OPERATORS,1 OP@tAToR TmN&pS AIyD MNTENNCE MECHANICS.. . . . . . . . . . ‘.“...“.“.-.“......--~. . . . . . . . . ...” . . ..*........ “......... . . . . . . . I..... . . . . . . . . . “-- . . . . . . . . . . . . ..-.........-....“- . . . . . . . . “....“.” . . . . . . . . . . . . “...........“I.........” . . . . “I . . . . . . . . “.......” . . . . . . . . . . . . . “.“.....“....B _.......I

C!LI)SE AND CHAIN LtXlC BUXK VALVES FOB BOTHPRODUCIION IJNES u)cATED ON TOP OCI TANK ANDRECYCLE LlNE (VALVE LOCATED AT KYITOM OFTANK)~BfiSECURED.

VALVE IN TANK m THE HEADER LINE LEADlNG TOPUMPS. .

DISCONNW PRODUCTION AND RECYCLE LMESBEIWEEN B LOCK VALVES ANDTANK AND INSTALLBLANKS

CHECKLEVELlNTANK#7AND#6TANK. lFTHELEVEL IN THESE TANKS IS BELOW 18 m. THWPROCEED TO NEKT STEP, Ul-ItEUWISfi PUMP DOWNTANK LEVEL(S) TO BWW 18FT BEFORE NEXT SI-EP ISAll-EM-.

DISCONNECT AND REMOVE OVERFulW LINEATTACHEDTO TANKS. INSTALL BLANKS OVER EACHOPENING WHERE OVEBFLOW PtPlNG WAS WOVED.

PUMP TANK DOWN TO I FI’ 1 INCH OB FARTHER.

CLOSE AND CHAJN UK!K BUXK VALVETO HEADERIBCATEDON -0FTANKWESTSIDE.

ATTACH PUMP TO MANWAY DOOR DRAIN VALVE ANDHOOKUP DLSCHABGE HOSE IN TRUCK PROVIDED TOTAKE REMAINING ACID.

START PUMP BY OPENING AIR LINE VALVE TO PUMP.

10. MONITOB LEVEL IN TANK TO BE DRAINED.

TYPE/MAGNITUDE OF ENERGY1. 93% SULFUBIC ACID AT I2@F.

2. 93% SULFURIC ACID AT 12@F.

3. 93% SULFURlC ACID AT IZ@F.

4. 93% SULFURIC ACID AT 1utF.

5. 93% SULFUBBZ ACID AT 12@F.

6. 93% SULFURIC ACID AT 12CfF.

7. 93% SULFURIC ACID AT I2@F.

8. 93 I SULFURIC ACID AT 12tPF.

9. 93% SULFURIC ACID AT 12@F. PLANT AIR AMBIENTTEMP looPSI


1. CHEMICAL AND THERMAL BURNS










SPECIFIC LOCKOUT PROCEDUREPLANIYWLFURIC ACID

PAGE 2

EQUIPMENT: SULFURIC STORAGE TANK!3 6

1 PURPOSE: TO SECURE EQUIPMENT FOR MAINTENANCE OR CLEANING. AFFECTED EMPWYEES: PLANT OPERATORS,. f OPERATOR TRAINEES AN@ MAINTEwANCE MECHANICS. I

I I . WliENNOMORELIQUIDACIDISAVAILABIETOBE Il. 93% SULFURIC ACID AT 12@F. PLANT AlR AMBIENT 1 I. CHEMICAL AND THERMAL BURNSPUMPEDOUTOFTANR,SHUTOFFAMllNET0FUMF. TEMP looPSI

12. CIGSE VALVE ON MANWAY AND DISCQNNECT 12. 93% SULFURIC ACID AT 12@F. 12. CHEMICAL AND THERMAL BURNSSiKTKIN LINE.

13. D&TALL PAN BENEATH MANWAY DOOR. 13. 93% SULFURIC ACID AT 12@F. 13. CHEMICAL AND THERMAL BURNS

14. PLACE SUCTION LINfi IN PAN. 14. 93% SULFURK! AClD AT IutF. 14. CHEMICAL AND THERMAL BURNS

IS. REMOVE MANWAY DOOR IS. 93% SULFURIC AClD AT 12@F. 15. CIiEMlCAL AND THERMAL BURNS

16. START PUMP UP BY TURNING VALVE ON AIR LINE 16. 93% SULFURIC ACID AT 12@F. PLANT AIR AMBIENT 16. CHEMICAL AND THERMAL BURNSCONNEtXEDTO PUMP. RUN AS NMXSSARY M TEMP looPSIREMOVE ACID FROM PAN.

17. ALL PERSONNEL WORKlNG ON SY- WlU ASSURE 17. 93% SULFURIC ACID AT 12@F. PLANT AIR AMBIENT 17. CHEMICAL AND THERMAL BURNSTHEIR SELF THAT THE ABOVE IS ISOLATED AND TEMP lawSI.INSTALLTHEIRPERSONALIAlCKSONAI.LWCKOUIS.

18. REVERSE PROCEDURETO PUT EQUIPMENT BACK lNIG 18. 93% SULFURIC ACID AT 12CfF. PLANT AIR AMBIENT 18. CHEMICAL AND THERMAL BURNSSERVICE. TEMP 1ooPSI.

SPECIFIC LOCKOUT PROCEDUREPLANT:SULFURIC ACIDEQUIPMENT: SULF’URIC STORAGE TANK 7NUMBER: 45010ELECTRICAL LOCK OUT: NA

PAGE 1

i PURPOSE: TO SECURE EQUIPMENT FOR MAINTENANCE OR CLEANING. AFFECTED EMPWYEES: PLANT OPERATORS,i OPERATOR TRAINEES AND MAINTENANCE MECHANICS.

TYPE/MAGNITUDE OF ENERGYI.

1.

3.

5.

6.

7.

CUE AND CHAIN m BKXX VALVES WI NXHPRODUCIION LlNES KtCATED ON TOP OF TANK.

VALVE IN TANK TO THE HEAD= LINE LEADING 1y)PUMPS.

DlSCONNU3T F’BODUCIION LINES BETWEEN BLOCKVALVES AND TANK AND INSTALL BLANKS

CHECKLEVELMTANK#7AND#6TANK. IFTHELEVEL IN THESETANKS C3 BEulW I8 m. THENPROCEEDTO NEXTSTEP,OTHElZWISEPUMP DOWNTANKLEVEL(S)MBELOWl8~BEFORENEXTSTEP~AlTEMPTED.

DISCONNECT AND BEMOVE OVERFulW LINEATl-ACHEDTD TANKS. lNSTALL BLANKS OVER EACHOPENING WHERE OVERFulW PIPING WAS BEMOVED.

PUMP TANK DOWN To 1 FT 1 INCH OR FARTHER.

CLOSE AND CHAIN UXK BUXK VALVE To HEADERIBCATEDON Wl-lWd OF TANK WEST SIDE.

AITACH PUMP TO MANWAY DGOR DBAIN VALVE ANDHOOKUP DISCHARGE HOSE IN TUUCK PROVIDED TOTAKE REMAINING ACID.

START PUMP BY OPENING AIR LINE VALVETO PUMP.

MONITOR LEVEL IN TANK TO BE DRAINED.



3. 98% SULFUBIC ACID AT lZ@F.



6. 98% SULFURBZ ACID AT 12@F.


8. 98% SULFUIUC ACID AT 12@F.

9. 98% SULJXJBIC ACID AT 12@F. PLANT AIR AMBIENTTEMP looPSI

10. 98% SULFUBIC ACID AT 12@F.











SPECIFIC LOCKOUT PROCEDUREPLANT:SULFURIC ACID

PAGE 2

EQUIPMENT: SULFURIC STORAGE TANKS 7

; PURPOSE: TO SECURE EQUIFMENT FOR MAINTENANCE OR CLEANING. AFFECTED EMPLOYEES: PLANT OPERATORS,i. OPERATOR TRAINEES AND.MAlN.lJ3bVb’t,‘CJiJECHANICS.. .“....--““.....“........ - . . . ..........I........“...” .......... .... ................... ......“. ......................... ..“. ........................... ................................................ I._.“....._.” . .. ........... -........... .......

11. WHENNOMORELiQUIDACIDISAVAILABLETOBEPUMPEDGUTOFTAN&SHUTOFFAlRLMETGWMP.

12. CIAXE VALVE ON MANWAY AND DISCGNNECTSUCTION LINE.

13. INSTALL PAN BENEATH MANWAY DGOR.

14. PLACE SUCTION LINE IN PAN.

IS. REMOVE MANWAY DOGR

16. START PUMP UP BY TURNING VALVE ON AIR LINECONNECIEDTO PUMP. RUN AS NECESSARY TGREMOVE ACID FROM PAN.

17. ALL PERSONNEL WoRKIN ON SYSTEM WILL ASSURETHEIR SELF THAT THE ABOVE lS ISOLATED ANDINsTALLTHEIRPERsoNAL~oNALL~.

18. REVERSE PROCEDURETO PUT EQUIPMENT BACK INTGSERVICE.

TYPEMAGNlTCJDE OF ENERGY11. 98% SULFURIC ACID AT 12@F. PLANT AIR AMBIENT

THNP looPSI

12. 98% SULFURIC AClD AT 12@F.


14. 98% SULFURIC ACID AT lZ@F.


16. 98% SULFURIC ACID AT 12@F. PLANT AlR AMBIENTTEMP IOOPSI

17. 98% SULFURIC ACID AT 12@F. PLANT AIR AMBIENTTEMP IOOPSI.

18. 98% SULFURIC ACID AT 12@F. PLANT AIR AMBIENTTEMP looPSI.









iii. sulfur receiving and acid storage tank · pdf fileiii. sulfur receiving and acid storage...

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