OGC Level 1 Training Handbook-RU v1

Wall Wash Test Procedure

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Contents 5.3.2 Line Displacement 5.3.3 High-Point Bleed-valve 5.3.4 Pigging Method 5.3.5 Line Press or Line Pack

49 49 49 49 50 50 50

8.6 To Calculate Gross Observed Volume (GOV) Shore Tanks 8.6.1 Total Observed Volume (TOV)

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7.1 Introduction

57 57 57 57 57 58 58 59 60 61 61 62 62 63 63 63 63 63

8.6.2 Free Water (FW)

7.2 Standard 7.3 Methods

8.6.3. Correction for the Effect of Temperature on the Steel Shell of the Tank (CSTH) 8.6.3.1 Calculate the Temperature of the Tank Shell (TSH) 8.6.3.2 To Determine the Correction 8.6.4 Floating Roof Adjustment (FRA) 8.7 To Calculate Gross Observed Volume (GOV) – Marine Vessel’s Tanks 8.7.1 Total Observed Volume (TOV)

5.4 Agreed Tolerance 5.5 General Procedures

7.4 Safety Requirements

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7.4.1 Equipment

5.6 Conclusion

7.5 General Procedures 7.5.1 Funnel Method

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Differences Between Product and Chemical Inspections

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7.5.2 Filter Paper / Blotter Method

6.1 Introduction

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Calculation Procedures

6.2 Quality

6.3 Field Tests

8.1 Introduction

8.7.2 Trim Correction 8.7.3 List Correction

6.4 Tank Inspection

8.2 Explanation of Symbols

6.5 Sampling

8.3 Decimal Places and Rounding

8.7.4 Combining Trim and List Corrections 8.7.5 Free Water Volume (FW)

6.6 Cargo Pipelines

8.4 Observed Data 8.4.1 Shore Tanks

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6.7 Safety

6.7.1 Safety Data Sheets 6.7.2 Confined Space Entry 6.8 Sample Transportation

8.4.2 Marine Vessel's Tanks

8.8 To Calculate Gross Standard Volume (GSV), Shore Tanks and Marine Vessel’s Tanks

8.5 Calculated Data 8.5.1 Shore Tanks

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6.9 Conclusion

8.5.2 Marine Vessel's Tanks

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