Document evKBwxm9OJbo1D9GGzBLaBbOM

WRITTEN BY: JMS APPROVED BY: DATE: 9/90 REVIEWED BY: DY DATE; 10/91 + *------------------------------ -------------- w, -------- --*'-f- I .I | 6903-026.SOP j | TRANSFER STAB TANKS TO DOCK STORAGE AREA | II H---------------------------------------------------- ------------------------------------------------------r----- t OPERATOR'S NAME: DATE: H-------------------- 1------------------------------------ "----------------------------------------------------------------------------------------- t |CHECK | ACTION STEPS (Capital Letters) and COMMENTS (Small Letters) | +----------------+------------------------------------------------------------------------------------------------------------------------------- + 1. REVIEW JOB SAFETY INSTRUCTIONS. BECOME FAMILIAR WITH THE CHEMICALS THAT YOU ARE WORKING WITH. KNOW SOME OF THEIR CHARACTERISTICS. KNOW WHAT PROCEDURES TO FOLLOW IN CASE OF A SPILL/RELEASE OR ACCIDENT. 2. INSURE THAT YOU ARE WEARING PROPER SAFETY EQUIPMENT. HARD HATS, SAFETY SHOES, SAFETY GLASSES AND ESCAPE RESPIRATORS ARE REQUIRED WHEN WORKING IN ANY PRODUCTION AREA. GOGGLES AND CHEMICALLY SAFE GLOVES ARE RECOMMENDED WHEN CATCHING SAMPLES. A COMFO II MASK IS REQUIRED WHEN GAUGING TANKS. 3. ONCE A STAB TANK HAS BEEN CLEARED, IT IS READY TO BE MOVED TO THE DOCK STORAGE AREA. CONSULT YOUR LEAD OPERATOR TO FIND OUT WHICH DOCK TANK THE STAB TANK IS TO BE MOVED INTO. 4. AT THE DOCK STORAGE AREA, MAKE SURE THAT THE VALVE IN THE LINE GOING TO SHIPPING IS CLOSED. OPEN THE VALVE IN THE LINE COMING FROM THE UNIT. 5. MAKE SURE THAT SUCTION VALVE OF THAT TANK AND ALL OTHER VALVES TO THE OTHER TANKS ARE CLOSED. OPEN THE RECIRCULATION LINE OF THE DOCK TANK THAT YOU ARE TRANSFERRING INTO. 6. IN THE STAB TANK AREA, MAKE SURE THAT THE SUCTION AND RECIRCULATION VALVES TO THE OTHER STAB TANKS ARE CLOSED. OPEN THE SUCTION VALVE OF THE TANK THAT IS TO BE TRANSFERRED, 7. MAKE SURE THAT VALVES IN THE LINES LEADING TO OTHER AREAS ARE CLOSED. OPEN THE SUCTION AND DISCHARGE VALVES OF THE TRANSFER PUMP. 8. IN THE STAB TANK AREA, OPEN THE VALVE IN THE MANIFOLD LEADING TO THE DOCK STORAGE AREA. 9. OPEN THE BLOCK VALVE IN THE DISCHARGE LINE JUST BEFORE THE FILTER. MAKE SURE THAT THE BLOCK VALVE IN THAT LINE LEADING TO THE SHIPPING TANK IS CLOSED. 10. OPEN THE VALVES BEFORE AND AFTER THE FILTER LEADING TO THE DOCK STORAGE AREA. CONFIDENTIAL: 1064*7 s\- Page 1 of 2 11. TURN ON THE TRANSFER PUMP. 12. CHECK THE DOCK STORAGE TANK TO MAKE SURE THAT THE LEVEL IS COMING UP. DOUBLE CHECK TO MAKE SURE THAT YOU ARE PULLING FROM THE RIGHT STAB TANK. ALSO, DOUBLE CHECK TO MAKE SURE THAT ALL VALVES LEADING TO OTHER PLACES ARE CLOSED. 13. WHEN THE STAB TANK IS EMPTY, THE PUMP WILL START TO CAVITATE. TURN OFF THE PUMP. CLOSE THE SUCTION VALVE AT THE STAB TANK. 14. CLOSE THE SUCTION AND DISCHARGE VALVES OF THE PUMP. 15. CLOSE THE VALVE IN THE MANIFOLD LEADING TO THE DOCK STORAGE AREA. 16. CLOSE THE BLOCK VALVE IN THE DISCHARGE LINE JUST BEFORE THE FILTER. 17. CONNECT A N2 HOSE TO THE TOP OF THE FILTER AND CLEAR THE LINE FROM THE STAB AREA TO THE DOCK STORAGE AREA FOR APPROXIMATELY 10 TO 15 MINUTES. 18. ONCE THE LINE HAS CLEARED, CLOSE THE REMAINING VALVES IN THE LINE FROM THE STAB TANK AREA TO THE DOCK STORAGE AREA. SL 006438 co1 rote<^tVCicotrdCeot t SUbAtv.iCCt 1 o= \wo- " SPILL/RELEASE POTENTIAL: 1. 2. 3. f Make sure that all bleeds are Periodically check the levels Always check and double check and other problems. closed of the valves and plugged. tanks during the to prevent cross transfer. contamination Page 2 of 2