The activities performed in the L/UL process in Case 2
A table outlining the steps for loading and unloading racks, detailing activities, roles, and processes.The table is organized into 54 sequential logistics activities into six columns: “No.,” “L,” “U L,” “Description of the activity,” “Type of function,” and “Performed by.” Row 1: Column 1: Blank. Column 2: Blank. Column 3: Blank. Column 4: The racks ordered by the O E M are moved from the assembly line to the sorting system connected to the L over U L conveyors throughout the day. Column 5: Blank. Column 6: Blank. Row 2: Column 1: 1. Column 2: Blank. Column 3: Blank. Column 4: As racks arrive to the sorting system from the assembly line, a barcode on each rack is scanned. Column 5: 1. Column 6: Sorting system. Row 3: Column 1: 2. Column 2: Blank. Column 3: Blank. Column 4: The sequence in which the racks arrive is verified. Column 5: 2. Column 6: Sorting system. Row 4: Column 1: 3. Column 2: Blank. Column 3: Blank. Column 4: The sorting system determines whether the sequence is correct. Column 5: 3. Column 6: Sorting system. Row 5: Column 1: 4. Column 2: Blank. Column 3: Blank. Column 4: If the sequence is correct, then the racks are moved to the L over U L equipment. If the sequence is incorrect, then the racks are temporarily stored in the sorting system until the sequence has been corrected. Column 5: 4. Column 6: Sorting system. Row 6: Column 1: Blank. Column 2: Blank. Column 3: Blank. Column 4: Steps 5–50 are the same at the supplier and the O E M. Column 5: Blank. Column 6: Blank. Row 7: Column 1: 5. Column 2: Blank. Column 3: Blank. Column 4: Once the truck arrives to the facility, the truck driver presents a tag to a reader at the gate to the restricted area surrounding the facility. Column 5: 1. Column 6: Gate control. Row 8: Column 1: 6. Column 2: Blank. Column 3: Blank. Column 4: The tag is verified. Column 5: 2. Column 6: Gate control. Row 9: Column 1: 7. Column 2: Blank. Column 3: Blank. Column 4: The gate system approves the opening of the gate. Column 5: 3. Column 6: Gate control. Row 10: Column 1: 8. Column 2: Blank. Column 3: Blank. Column 4: The gate is opened. Column 5: 4. Column 6: Gate control. Row 11: Column 1: 9. Column 2: Blank. Column 3: Blank. Column 4: The trailer is aligned with the loading bay and moved in reverse until it stands a few metres from the front of the loading bay. Column 5: 4. Column 6: Truck driver. Row 12: Column 1: 10. Column 2: Blank. Column 3: Blank. Column 4: The outer door of the trailer is opened. Column 5: 4. Column 6: Truck driver. Row 13: Column 1: 11. Column 2: Blank. Column 3: Blank. Column 4: The trailer is docked with the loading bay. Column 5: 4. Column 6: Truck driver. Row 14: Column 1: 12. Column 2: Blank. Column 3: Blank. Column 4: Sensors at the loading bay collect data on the trailer–loading bay alignment. Column 5: 1. Column 6: Loading bay sensor. Row 15: Column 1: 13. Column 2: Blank. Column 3: Blank. Column 4: The trailer–loading bay alignment is evaluated. If the alignment is sufficient, then a green light is displayed to the driver. Column 5: 2. Column 6: Loading bay sensor. Row 16: Column 1: 14. Column 2: Blank. Column 3: Blank. Column 4: The driver decides whether the alignment is sufficient. Column 5: 3. Column 6: Truck driver. Row 17: Column 1: 15. Column 2: Blank. Column 3: Blank. Column 4: When the alignment is sufficient, the trailer is connected to the facility’s power grid. Column 5: 4. Column 6: Truck driver. Row 18: Column 1: 16. Column 2: Blank. Column 3: Blank. Column 4: The height difference between the loading bay and the trailer is observed by the driver. Column 5: 1. Column 6: Truck driver. Row 19: Column 1: 17. Column 2: Blank. Column 3: Blank. Column 4: The height difference is evaluated based on the driver’s experience. Column 5: 2. Column 6: Truck driver. Row 20: Column 1: 18. Column 2: Blank. Column 3: Blank. Column 4: The driver determines whether the suspension of the trailer needs to be adjusted. Column 5: 3. Column 6: Truck driver. Row 21: Column 1: 19. Column 2: Blank. Column 3: Blank. Column 4: The suspension of the trailer is adjusted if necessary. Column 5: 4. Column 6: Truck driver. Row 22: Column 1: 20. Column 2: Blank. Column 3: Blank. Column 4: The inner door of the trailer is opened. Column 5: 4. Column 6: Truck driver. Row 23: Column 1: 21. Column 2: Blank. Column 3: Blank. Column 4: The gate of the loading bay is opened by pushing a button inside the facility. Column 5: 4. Column 6: Truck driver. Row 24: Column 1: 22. Column 2: Blank. Column 3: Blank. Column 4: The driver monitors the previous steps (19 to 21). Column 5: 1. Column 6: Truck driver. Row 25: Column 1: 23. Column 2: Blank. Column 3: Blank. Column 4: The driver verifies that the previous steps (19 to 21) have been successfully completed. Column 5: 2. Column 6: Truck driver. Row 26: Column 1: 24. Column 2: Blank. Column 3: Blank. Column 4: The driver decides to begin the unloading. Column 5: 3. Column 6: Truck driver. Row 27: Column 1: 25. Column 2: Blank. Column 3: Blank. Column 4: The conveyor is activated by pushing a button to start the unloading. Column 5: 4. Column 6: Truck driver. Row 28: Column 1: 27. Column 2: Blank. Column 3: Blank. Column 4: The conveyor moves the racks from the trailer. Column 5: 4. Column 6: Conveyor. Row 29: Column 1: 28. Column 2: Blank. Column 3: Blank. Column 4: The unloading is monitored by the driver. Column 5: 1. Column 6: Truck driver. Row 30: Column 1: 29. Column 2: Blank. Column 3: Blank. Column 4: The driver evaluates the unloading to ensure that no racks become stuck. Column 5: 2. Column 6: Truck driver. Row 31: Column 1: 30. Column 2: Blank. Column 3: Blank. Column 4: The driver decides to stop the unloading. Column 5: 3. Column 6: Truck driver. Row 32: Column 1: 31. Column 2: Blank. Column 3: Blank. Column 4: The conveyor is deactivated by pushing a button. Column 5: 4. Column 6: Truck driver. Row 33: Column 1: 32. Column 2: Blank. Column 3: Blank. Column 4: The number of racks to be loaded is monitored. Column 5: 1. Column 6: Truck driver. Row 34: Column 1: 33. Column 2: Blank. Column 3: Blank. Column 4: The number of racks to be loaded is verified and it should always be the same number of racks. Column 5: 2. Column 6: Truck driver. Row 35: Column 1: 34. Column 2: Blank. Column 3: Blank. Column 4: The truck driver decides to start the loading when all racks are present. Column 5: 3. Column 6: Truck driver. Row 36: Column 1: 35. Column 2: Blank. Column 3: Blank. Column 4: The loading of the racks is started by pushing a button. Column 5: 4. Column 6: Truck driver. Row 37: Column 1: 36. Column 2: Blank. Column 3: Blank. Column 4: The conveyor moves the racks to the trailer. Column 5: 4. Column 6: Conveyor. Row 38: Column 1: 37. Column 2: Blank. Column 3: Blank. Column 4: The loading is monitored by the driver. Column 5: 1. Column 6: Conveyor. Row 39: Column 1: 38. Column 2: Blank. Column 3: Blank. Column 4: The driver evaluates the loading to ensure that no racks become stuck. Column 5: 2. Column 6: Truck driver. Row 40: Column 1: 39. Column 2: Blank. Column 3: Blank. Column 4: The driver decides to stop the loading. Column 5: 3. Column 6: Truck driver. Row 41: Column 1: 40. Column 2: Blank. Column 3: Blank. Column 4: The conveyor is deactivated by pushing a button, and a sheet posted at the L over U L operating panel is signed. The racks are available for the OEM (i.e., Steps 51 to 54). The driver prepares for departure. Column 5: 4. Column 6: Truck driver. Row 42: Column 1: 41. Column 2: Blank. Column 3: Blank. Column 4: The gate of the loading bay is closed from inside the facility. Column 5: 4. Column 6: Truck driver. Row 43: Column 1: 42. Column 2: Blank. Column 3: Blank. Column 4: The inner trailer door is closed at the rear of the trailer. Column 5: 4. Column 6: Truck driver. Row 44: Column 1: 43. Column 2: Blank. Column 3: Blank. Column 4: The power supply from the facility is disconnected from the trailer. Column 5: 4. Column 6: Truck driver. Row 45: Column 1: 45. Column 2: Blank. Column 3: Blank. Column 4: The trailer is unocked from the loading bay by driving the truck a few metres forward. Column 5: 4. Column 6: Truck driver. Row 46: Column 1: 46. Column 2: Blank. Column 3: Blank. Column 4: The outer trailer doors are closed. Column 5: 4. Column 6: Truck driver. Row 47: Column 1: 47. Column 2: Blank. Column 3: Blank. Column 4: The driver monitors how the steps were performed (i.e., Steps 41 to 46). Column 5: 1. Column 6: Truck driver. Row 48: Column 1: 48. Column 2: Blank. Column 3: Blank. Column 4: The driver verifies that all necessary steps before departure have been completed (i.e., Steps 41 to 46). Column 5: 2. Column 6: Truck driver. Row 49: Column 1: 49. Column 2: Blank. Column 3: Blank. Column 4: The driver decides to depart. Column 5: 3. Column 6: Truck driver. Row 50: Column 1: 50. Column 2: Blank. Column 3: Blank. Column 4: The transport to the O E M or the supplier is commenced. The truck returns to Step 5. Column 5: 4. Column 6: Truck driver. Row 51: Column 1: 51. Column 2: Blank. Column 3: Blank. Column 4: The conveyor scans barcodes on the incoming racks. Column 5: 1. Column 6: Conveyor. Row 52: Column 1: 52. Column 2: Blank. Column 3: Blank. Column 4: The sequence in which the racks arrive is verified. Column 5: 2. Column 6: Conveyor. Row 53: Column 1: 53. Column 2: Blank. Column 3: Blank. Column 4: The conveyor determines whether the sequence is correct. Column 5: 3. Column 6: Conveyor. Row 54: Column 1: 54. Column 2: Blank. Column 3: Blank. Column 4: The racks are stored on a conveyor connected to the L over U L equipment until they are loaded onto a tugger train. Column 5: 4. Column 6: Logistics operator at the O E M. The note at the bottom of the table reads, “Note(s): Categorised according to the four types of functions described by (Parasuraman e t a l., 2000): (1) information acquisition, (2) information analysis, (3) decision and action selection, and (4) action implementation. The table presents the flow of racks from the supplier to the O E M. The shaded columns represent activities performed in loading and/or unloading, respectively.”
