RB-01-E

ICS

APPLICATION OF

"RULES FOR THE CLASSIFICATION OF MOBILE OFFSHORE UNITS"

1. Unless expressly specified otherwise, the requirements in the Rules apply to Mobile Offshore Units for which contracts for construction are signed on or after 1 July 2015.

2. The amendments to the Rules for 2014 edition and their effective date are as follows;

Effective Date 1 July 2015

CHAPTER 10 MACHINERY INSTALLATIONS AND ELECTRICAL EQUIPMENT

Section 1 Machinery Installations and Electrical Equipment for Units

- 106. 6 (1) has been amended.

CONTENTS

CHAPTER 1 GENERAL 1

Section 1

Section 2

CHAPTER 2

Section 1

Section 2

Section 3

General 1

Definitions 4

CLASSIFICATION AND SURVEYS 7

General 7

Classification 7

Surveys 11

CHAPTER 3

Section 1

Section 2

Section 3

Section 4

Section 5

Section 6

Section 7

Section 8

Section 9 Section10 Section11 Section12 Section13

HULL CONSTRUCTION AND EQUIPMENT 21

General 21

Materials 21

Welding 23

Ice Strengthening 24

Corrosion Control 24

Fire Protection, Means of Escape and Fire Detection & Extinction 24

Guardrails and Bulwarks 25

Temporary or Emergency Mooring Equipment 25

Access 26

Towing Arrangements 27

Protective Coatings of Dedicated Seawater Ballast Tanks 27

Anti-fouling Systems 28

Drainage and Sediment Control 28

CHAPTER 4 DESIGN CONDITION 29

Section 1

Section 2

Section 3

Section 4

Section 5

Section 6

CHAPTER 5

Section 1

Section 2

Section 3

Design Loads 29

Calculation of Strength 31

Analysis of Overall Strength 33

Scantlings of Structural Members 35

Helicopter Deck 37

Position Keeping Systems and Components 38

TYPE OF UNITS 41

Self-elevating Units 41

Column-Stabilized Units 43

Surface Type Units 45

CHAPTER 6

Section 1

Section 2

WATERTIGHT INTEGRITY 47

Watertight Bulkheads 47

Closing Appliances 47

CHAPTER 7

Section 1

Section 2

STABILITY 51

General Requirements of Stability 51

Stability Criterion under Wind Force 55

- ii -

CHAPTER 8 HAZARDOUS AREA 57

Section 1

Section 2

Section 3

General 57

Extent of Hazardous Area 57

Ventilation 59

CHAPTER 9 FIRE PROTECTION, MEANS OF ESCAPE AND

FIRE EXTINCTION 61

Section 1

Section 2

Section 3

Section 4

Section 5

Section 6

General 61

Fire Protection and Means of Escape 61

Fire Detection and Extinction 67

Fire Extinguishing Systems for Helicopter Facilities 72

Gas Cylinders 73

Offshore Accommodation Units 74

CHAPTER 10 MACHINERY INSTALLATIONS AND ELECTRICAL

EQUIPMENT 75

Section 1

Section 2

CHAPTER 11

Section 1

Section 2

Section 3

Section 4

Machinery Installations and Electrical Equipment for Units 75

Machinery Installations and Electrical Equipment for Self-propelled Units 89

SPECIFIC OFFSHORE UNIT TYPES 91

Offshore Work Units 91

Offshore Accommodation Units 91

Floating Piers 93

Offshore Plant Units 94

Ch 1 General Ch 1

CHAPTER 1 GENERAL