Manually Gauge Non-Pressurized Above-Ground Tanks

Manually Gauge Non-Pressurized Above-Ground Tanks

Total Pages: 69


 Training Objectives
Upon completion of this training kit on manually gauging non-pressurized above-ground tanks, you will be able to:

    		• Describe the purpose and importance of manually gauging non-pressurized above-ground tanks
    		• Describe tank tables
    		• Describe innage and outage tank gauging methods
    		• Describe innage and outage gauges
    		• Describe safety hazards and precautions when tank gauging
    		• Describe the bob cut innage tank gauging procedure
    		• Describe the bob cut outage tank gauging procedure
    		• Manually gauge a non-pressurized above-ground tank using the bob cut innage tank gauging procedure
    		• Manually gauge a non-pressurized above-ground tank using the bob cut outage tank gauging procedure
    		• Calculate gross volume of stored liquid after manually gauging the tank
    		• Describe portable tank gauges
    		• Describe temperature measurements

    Table of Contents

    Training Objectives 1
    1 Introduction 1
    2 Types of Gauging 3
    2.1 Innage Gauging 3
    2.2 Outage Gauging 5
    2.3 Free Water Gauging 6
    2.4 Gauging Equipment 7
    3 Safety 10
    3.1 Physical Hazards 10
    3.2 Chemical Hazards 11
    3.3 Safety before Climbing to the Roof 13
    3.4 Safety while Gauging 14
    3.5 Gauging Tanks with Floating Roofs 15
    4 Gauging Accuracy 15
    5 Gauging Procedures 17
    5.1 Outage Gauging Procedure 17
    5.2 Innage Gauging Procedure 20
    5.3 Determine Gross Observed Volume (GOV) 22
    5.4 Determine Gross Standard Volume (GSV) and Net Standard Volume (NSV) 29
    6 Portable Tank Gauges 32
    7 Self-Check 34
    8 Self-Check Answers 39
    9 Glossary 40

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