Carriage, Handling and Storage of Dangerous Goods along

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68 RECOMMENDATIONS ACTIONS Technical and Management Pump Room Ventilation: the use of mechanical ventilation by extraction is required to maintain the atmosphere in a safe condition. Gas detection system: should be provided to indicate the presence of explosive gases or lack of oxygen. An audible and visual alarm should be installed. Pump room entry procedures: should be in place to control pump room entry. Notices should be displayed at the entrance, prohibiting entrance without permission, and after checking the oxygen level. Cargo Pipes and Hoses Cargo pipes and valves must be constructed following prescribed technical standards (steel thickness, welding, pipe support) and regularly checked for corrosion or rust spots. They should be regularly pressure tested (MAWP). All piping such as cargo pipes, freshwater pipes, ventilation lines and steam lines should be marked following a colour code to avoid error or confusion. For the same reason, valves should be properly labelled. Hoses should be in good condition and properly fitted and rigged to prevent strain and stress beyond design limitations. Unused cargo and bunker line connections should be closed and blanked. Blanked flanges should be fully bolted. Hoses and pipelines have to be built from a material suitable for the substance handled, including its temperature and the maximum operating pressure. Cargo hoses should be clearly marked to allow identification of the products for which they are suitable or intended, maximum working pressure specified, test pressure and last date of (yearly) testing, and maximum and minimum service temperature. Spill Belt and Drip Tray Spill belts should be constructed on every tanker barge. This is a very useful and simple part of the vessel's construction, and a very cost-effective method to prevent pollution of he waterways. Scuppers should be properly plugged during cargo operations and accumulations of water should be drained off periodically. The contents of drip trays, portable or fixed under each manifold connection, should be emptied in slop tanks after cargo operations. Tank Capacity Measurement Tank-measurement devices and overfill alarms (audible and visual) should be installed for each cargo tank, tested each time before cargo operations and marked in the safety checklist.
ACTIONS Technical and Management (continued) Emergency Shut Down System VESSELS 69 Easy to install and effective in use are the emergency shutdown push buttons on various places on deck, enabling the crew to shut down the cargo pumps from different places in case of an emergency. Gas Measuring Instruments These instruments, together with detailed instructions for their use, should be provided onboard, especially on tanker barges. These instruments should be calibrated on a regular basis and provided with a certificate to confirm that calibration has been carried out. Institutional and Capacity Building Technical standards for cargo systems and pump rooms should be adopted, implemented, certified and checked at prescribed intervals. This task can be executed by the classification societies on behalf of the authorities and incorporated in the prescribed survey. Training (theoretical and practical) should be provided on handling dangerous goods and tanker cargo operations, and should be examined and certified. Refresher courses should also be provided. 3.3.1.5 Electrical and Communication Equipment Target group: Tanker barges RECOMMENDATION Member Countries should ensure that electrical equipment is regularly inspected and well maintained. Challenge Electrical equipment is often not in good condition and there are no procedures onboard to ensure maintenance and safe operation. When handling dangerous cargoes, flammable gases are to be expected in cargo compartments, pump rooms, deck workshops, store rooms and sometimes the tank deck. Strict elimination of all possible sources of ignition (such as sparks) is essential. Other areas, like the accommodation, inevitably contain ignition sources such as electrical equipment, matches, and cigarette lighters where it is essential to avoid the entry of flammable gas. In a tanker, certain areas/spaces are defined by international convention, flag administrations, legislation and classification societies as being dangerous/hazardous for the installation or use of electrical equipment either at all times or during specific periods such as loading, ballasting, tank cleaning or gas-freeing operations. Definitions of dangerous areas on tankers, detailed in the classification society rules, are derived from recommendations by the International Electrotechnical Commission (IEC) as to the types of electrical equipment that can be installed. All apparatus, systems and installations, including cables, conduits and similar equipment, should be maintained in good condition. To this end, they should be inspected regularly. All equipment, systems and installations should be inspected when first installed. Following any repair, adjustment or modification, those parts of the installation that have been disturbed should be checked in accordance with national requirements. The integrity of the protection afforded by the design of explosion-proof or intrinsically-safe electrical equipment may be compromised by incorrect maintenance procedures. Even the simplest repair and maintenance operations must be carried out in
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2 3 5.1 CARRIAGE, HANDLING AND STOR
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ACKNOWLEDGMENTS Key MRC staff, memb
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CONTENTS ACRONYMS AND ABBREVIATIONS
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CONTENTS III 3.3.3.2 Safety Managem
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ACRONYMS AND ABBREVIATIONS ADN Acco
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ILO International Labor Organisatio
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PPE Personal Protective Equipment P
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DEFINITIONS Administration: means t
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DEFINITIONS XIII Loading arm: an ar
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EXECUTIVE SUMMARY RECOMMENDATIONS (
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1. FROM RISK ANALYSIS TO RECOMMENDA
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FROM RISK ANALYSIS TO RECOMMENDATIO
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FROM RISK ANALYSIS TO RECOMMENDATIO
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1.3.3 Enforcement and Compliance FR
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2. PORTS AND TERMINALS 2.1 INTRODUC
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HAZARD HOT WORK RECOMMENDATIONS FOR
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2.3 RECOMMENDATIONS FOR PREVENTION
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PORTS AND TERMINALS 15 The ISPS Cod
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Page 39 and 40: PORTS AND TERMINALS 19 • OISD-STD
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Page 45 and 46: PORTS AND TERMINALS 25 Fire and gas
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Page 57 and 58: References International Safety Gui
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Page 61 and 62: Tier 1 PORTS AND TERMINALS 41 • S
Page 63 and 64: PORTS AND TERMINALS 43 • Planning
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Page 79 and 80: VESSELS 59 Priority levels are base
Page 81 and 82: References VESSELS 61 • ADN (Euro
Page 83 and 84: VESSELS 63 collisions. If a VTS sys
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Page 87: Drip Trays VESSELS 67 Suitable drip
Page 91 and 92: Institutional and Capacity Building
Page 99 and 100: 3.3.2.7 Bunkering Operations Target
Page 101 and 102: VESSELS 81 Special attention is nee
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Page 115 and 116: References • IMO Resolution MSC.2
Page 119 and 120: VESSELS 99 oil pollution incident h
Page 121: ACTIONS Institutional and Capacity
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Page 126 and 127: 106 RECOMMENDATIONS Table 5: Summar
Page 128 and 129: 108 RECOMMENDATIONS 4.3.2 Minimum S
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118 RECOMMENDATIONS • ILO Code of
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120 RECOMMENDATIONS Due to the lack
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122 RECOMMENDATIONS With regard to
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124 RECOMMENDATIONS 5.3.7 Examine M
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126 RECOMMENDATIONS to enact or imp
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128 RECOMMENDATIONS • Elevated le
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130 RECOMMENDATIONS There is no sin
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132 RECOMMENDATIONS 6.3.6 Environme
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134 RECOMMENDATIONS that some oily
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136 RECOMMENDATIONS The recommendat
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138 RECOMMENDATIONS Figure 20: The
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2 3 5.1 Office of the Secretariat i
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