OGC Level 2 Training Handbook-EN v1

7.2 Meters

45

7.6.10.4 Volume Correction Factors (VCF)

53

8.1.13 Tank Cleaning

59

7.3 Static Shore Tank Measurements

46

7.6.10.5 Volumetric Shrinkage

53

8.1.14 Cleaning Machines

59

7.4 Floating Roof Tanks

46

7.6.10.6 Letter of Protest / Notice of Apparent Discrepancy

8.1.15 Precleaning

59

54

7.5 Determination of Line Fullness

47

8.1.16 Cleaning

60

7.6.10.7 Lightering

54

7.6 Vessel Measurements

48

8.1.17 Cleaning Categories

60

7.6.10.8 Measurement Uncertainties and Errors

7.6.1 Vessel Tank Capacity Tables

48

8.1.17.1 Animal and Vegetable Oils

60

54

7.6.2 Transit Differences

49

8.1.17.2 Mineral Oils

60

Marine Vessel Particulars

55

7.6.3 Changes in Cargo Stowage

49

8.1.17.3 Petrochemicals and Solvents

60

8.1 Introduction

56

7.6.4 Cargo Diversion

49

8.2 Conclusion

61

8.1.1 Direct Main piping System

56

7.6.5 OBQ and ROB

49

8.3 Requests for Tank Cleaning Guidance 61

8.1.2 Ring Main Piping System

56

7.6.6 Undetected ROB

50

Sample Plans

63

8.1.3 Other Piping System

57

7.6.7 Crude Oil Washing

50

9.1 Sample Plans

64

8.1.4 Drop Lines

57

7.6.8 Slops

51

Automatic Sampling of Petroleum and Petroleum Products

8.1.5 Centrifugal Pumps

57

65

7.6.9 Water Determination

51

8.1.6 Positive Displacement Pumps

57

7.6.9.1 Free Water

51

10.1 Introduction

66

8.1.7 Deep Well / Submersible Pumps

57

7.6.9.2 Sediment and Water (S&W)

52

10.2 Automatic Sampling

66

8.1.8 Cargo Separation

58

7.6.9.3 Water Balance

52

10.3 Performance Criteria

67

8.1.9 Sea Suction and Overboard Discharge Valves

7.6.10 Additional Factors

52

10.4 Performance Data

67

58

7.6.10.1 Temperature

52

8.1.10 Safety

58

7.6.10.2 Evaporation Losses

53

8.1.11 Procedures

58

7.6.10.3 Density (degrees API/kg/m3)

53

8.1.12 Isolation of Inert Gas Lines on Marine Vessels

58

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