(IV-7-3) General Safety

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Rules IV Industrial Services Part 7 Offshore Substations Chapter 3 General Safety Table of Contents Section 7 Passive Fire Protection A Materials and Definition of Spaces ............................................................................. 7-1 B Ventilation and Fire Dampers ..................................................................................... 7-6 Section 8 Active Fire Protection A General ....................................................................................................................... 8-1 B Arrangements in Machinery Spaces and Spaces Containing Fired Processes ......... 8-2 C Arrangements in Spaces Containing Large Oil Filled Electrical Equipment............... 8-2 D Additional Requirements for Specific Lockers and Galley Facilities........................... 8-3 E Water Fire Extinguishing Systems.............................................................................. 8-3 F Foam Fire Extinguishing Systems .............................................................................. 8-6 G Fixed Gas Fire Extinguishing Systems ....................................................................... 8-8 H Portable Fire Extinguishers and Fireman's Outfit ..................................................... 8-13 Section 9 Fire and Gas Detection Alarm Systems A General ....................................................................................................................... 9-1 B Manual Alarm .............................................................................................................. 9-2 C Arrangement of Fire Detectors and Alarm Loops ....................................................... 9-2 D Public Address and General Alarm System................................................................ 9-3 Edition 2013 Germanischer Lloyd Page 4
Rules IV Industrial Services Part 7 Offshore Substations Chapter 3 General Safety Section 1 Risk Assessment / Hazard Identification Section 1 Risk Assessment / Hazard Identification A General ....................................................................................................................... 1-1 B Hazard Identification and Risk Assessment Process ................................................. 1-1 A General A.1 Scope This section provides general requirements for safety assessments, aiming for identifying and evaluating hazard and managing the risks. A.2 Definitions HAZARD [ISO 17776:2000] A Hazard is a potential Source of harm, which may be related to • human injury, • damage to the environment, • damage to property or • a combination of these A HAZARDOUS EVENT [ISO 17776:2000] is an incident which occurs, when a hazard is realized. RISK [ISO 17776:2000] Risk is the combination of probability of an event and the consequence of the event. A.3 Application For new installations or activities it is important to identify potential hazards as early as possible, in order that sufficient time can be given to the study and evaluation of the hazard before determining the most appropriate solutions to manage it. It is always easier to make modifications early in the design stage of a project, when changes can be made with minimal effect on cost and schedule. [ISO 17776:2000] Safety assessment comprised the application of recognized design standards. National and international standards will provide the basis for detailed engineering design by the application of, and findings from, the assessment. The basic principles of the assessment shall be applied to all aspects of the installation design including • arrangement, • structural and electrical design, • fire and explosion protection, • access and transfer as well as • emergency response. B Hazard Identification and Risk Assessment Process Hazard Identification and risk assessment involves a series of steps as described below: Step 1 Identification of the hazard This should be done based upon consideration of factors such as: • External hazards (e. g. ship collision, extreme environmental conditions, helicopter crash) • Arrangement of equipment Edition 2013 Germanischer Lloyd Page 1–1
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(IV-7-3) General Safety

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