scope:

Introduction (1 March 2021)

The requirements contained in this Guide are for dynamic positioning systems for ships, mobile offshore drilling units, mobile offshore units and offshore support vessels. These requirements are to be used in conjunction with Part 4 of the ABS Rules for Building and Classing Marine Vessels (Marine Vessel Rules), Parts 4, 6, and 7 of the ABS Rules for Building and Classing Mobile Offshore Units (MOU Rules) and the ABS Rules for Survey After Construction (Part 7). The requirements in the following sections are particularly relevant.

ABS Rules for Building and Classing Marine Vessels

i) Internal Combustion Engines - Section 4-2-1

ii) Gas Turbines - Section 4-2-3

iii) Electric Motors and Motor Controllers - Section 4-8-3

iv) Gears - Section 4-3-1

v) Propulsion Shafting - Section 4-3-2

vi) Propellers - Section 4-3-3

vii) Piping System - Chapter 4-6

viii) Thrusters - Section 4-3-5

ix) Control Equipment - Section 4-9-9

ABS Rules for Building and Classing Mobile Offshore Units

i) Pumps and Piping Systems - Chapter 4-2

ii) Electrical Installations - Chapter 4-3

iii) Rules for Equipment and Machinery Certification - Part 6

iv) Surveys After Construction - Chapter 7-2

ABS Rules for Survey After Construction

i) Machinery Surveys - Chapter 7-6

ii) Shipboard Automatic and Remote-control Systems - Chapter 7-8

iii) Survey Requirements for Additional Systems and Services - Chapter 7-9