GUIDANCE NOTES ON
IN-SERVICE HULL STABILITY VERIFICATION
CONTENTS
SECTION 1 Introduction.......................................................................................... 5
1 General...........................................................................................5
3 Objective.........................................................................................5
5 Scope and Application.................................................................... 5
7 Definitions....................................................................................... 5
9 Abbreviations.................................................................................. 6
SECTION 2 In-Service Hull Stability Verification Procedure................................7
1 General...........................................................................................7
3 Typical System Components.......................................................... 7
3.1 Inclinometer....................................................................... 7
3.3 Hydrometer........................................................................ 7
3.5 Draft Gauge....................................................................... 7
3.7 Tank Sounding Device....................................................... 7
3.9 Mooring Tension Sensor.................................................... 8
3.11 Onboard Software..............................................................8
3.13 On Shore Analysis............................................................. 8
5 Environmental Conditions...............................................................8
7 Preparation and Procedure for In Service Hull Stability
Verification...................................................................................... 8
7.1 Unit Condition.................................................................... 8
7.3 Tank conditions and Fee Surface Effects.......................... 8
7.5 Mooring Arrangements...................................................... 9
7.7 List and Trim...................................................................... 9
7.9 Test Weights...................................................................... 9
7.11 Communication................................................................10
7.13 Dynamic Positioning Systems..........................................11
9 Reporting In-service Hull Stability Verification Results................. 11
SECTION 3 Installation, Operation and Maintenance.........................................12
1 Location of Measurement Devices............................................... 12
3 Installation Report and Operations Manual.................................. 12
5 Verification of Operability.............................................................. 12
7 Verification of Equipment Performance In-Service....................... 13
7.1 Access to Instruments..................................................... 13
ABS GUIDANCE NOTES ON IN-SERVICE HULL STABILITY VERIFICATION • 2018 iii