Iranian Classification Society Rules

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RULES FOR THE CLASSIFICATION OF MOBILE OFFSHORE DRILLING UNITS


CHAPTER

1

GENERAL

Section

1

General

Section

2

Definitions


CHAPTER


2


CLASSIFICATION AND SURVEYS

Section

1

General

Section

2

Classification

Section

3

Surveys


CHAPTER


3


CONSTRUCTION, STRENGTH AND MATERIALS

Section

1

General

Section

2

Access

Section

3

Design Loads

Section

4

Calculation of Strength

Section

5

Surface Type Units

Section

6

Self-elevating Units

Section

7

Column-stabilized Units

Section

8

Towing Arrangements

Section

9

Fatigue Analysis

Section

10

Materials

Section

11

Anti-fouling Systems

Section

12

Protective Coatings of Dedicated Seawater Ballast Tanks

Section

13

Construction Portfolio

Section

14

Welding

Section

15

Drainage and Sediment Control

Section

16

Ice Strengthening

Section

17

Corrosion Control

Section

18

Guardrails and Bulwarks

Section

19

Temporary or Emergency Mooring Equipment


CHAPTER


4


SUBDIVISION, STABILITY AND FREEBOARD

Section

1

Inclining Test

Section

2

Righting Moment and Heeling Moment Curves

Section

3

Intact Stability Criteria

Section

4

Subdivision and Damage Stability

Section

5

Extent of Damage

Section

6

Watertight Integrity

Section

7

Freeboard


CHAPTER


5


MACHINERY INSTALLATIONS OF ALL TYPES OF UNITS

Section

1

General

Section

2

Machinery Installations


CHAPTER


6


ELECTRICAL INSTALLATIONS FOR ALL TYPES OF UNITS

Section

1

General


Introduction to the Classification Technical Rules 2015 41

CONTENTS OF CLASSIFICATION TECHNICAL RULES

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Section

2

Electrical Installations

Section

3

Alarms and Internal Communication


CHAPTER


7


MACHINERY AND ELECTRICAL INSTALLATIONS IN HAZARDOUS AREAS

Section

1

General

Section

2

Extent of Hazardous Area

Section

3

Ventilation

Section

4

Emergency Shutdown for Electrical Equipment

Section

5

Electrical Installations in Hazardous Areas

Section

6

Machinery Installations in Hazardous Areas


CHAPTER


8


MACHINERY AND ELECTRICAL INSTALLATIONS FOR SELF-PROPELLED UNITS

Section

1

General

Section

2

Means of Going Astern

Section

3

Steam Boilers and Boiler Feed Systems

Section

4

Machinery Controls

Section

5

Steering

Section

6

Communication between the Navigating Bridge and the Engine Room

Section

7

Engineers’ Alarm

Section

8

Main Source of Electrical Power


CHAPTER


9


PERIODICALLY UNATTENDED MACHINERY SPACES FOR ALL TYPES OF UNITS

Section

1

General

Section

2

Fire Protection and Fire Fighting

Section

3

Protection against Flooding

Section

4

Bridge Control of Propulsion Machinery

Section

5

Communication and Alarm System

Section

6

Special Provisions for Machinery, Boiler and Electrical Installations

Section

7

Safety Systems


CHAPTER


10


FIRE PROTECTION, MEANS OF ESCAPE AND FIRE EXTINCTION

Section

1

General

Section

2

Fire Protection and Means of Escape

Section

3

Fire Extinction

Section

4

Fire Extinguishing Systems for Helicopter Facilities

Section

5

Gas Cylinders

Section

6

Other Operational Requirements


CHAPTER


11


LIFTING DEVICES, PERSONNEL AND PILOT TRANSFER

Section

1

Cranes

Section

2

Lifting and Hoisting Equipment

Section

3

Personnel Lifts

Section

4

Personnel and Pilot Transfer

Section

5

Drilling Derricks


CHAPTER


12


HELICOPTER FACILITIES

Section

1

General


42 Introduction to the Classification Technical Rules 2015

CONTENTS OF CLASSIFICATION TECHNICAL RULES

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Section 2

Section 3

Section 4

Section 5

Section 6

Section 7

Definitions Construction Arrangements Visual Aids

Motion Sensing System Exemptions


Introduction to the Classification Technical Rules 2015 43

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CONTENTS OF CLASSIFICATION TECHNICAL RULES