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 Shock is the physical stimulation that results when electric current passes through the body.
There are only two kinds of electrical shock; discomfort and death. The difference between the two may be only a few moments in time of the duration or a few milli –
amperes of current flow through vital organs.
The amount of current flow depends upon several factors, including voltage of the circuit, body resistance, duration of the contact, type of circuit and the pathway of current
through the body.
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 Loading the cargo tanks, Discharging of parcel cargoes, Discharging of homogeneous cargoes (parallel pumping), Cargo heating by deck mounted heaters, Stripping, Tank cleaning.
1.0 LOADING THE CARGO TANKS
Correct operation of pumps and valves is essential to avoid pressure surges in a cargo
pipeline system during loading. Pressure surges may cause severe damage to the pipeline, hoses, metal arms and cargo pumps. Pressure surges will be excessive if a valve is closed too quickly and especially where long pipelines and high fl ow rates are involved.
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 There are three main choices in technique for measurement of propeller roughness.
1. Stylus instruments in situ.
2. Stylus instruments following replication.
3. Comparators.
Stylus instruments are used in situ for the finishing of new propellers in the foundry. Compact instruments are available with digital readout, but the instrument is considered too delicate for routine dry-dock use.
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 Smooth propellers save money is the message ship operators are being told. But owners must be able to weigh the cost of propeller roughness against the expense and timing of maintenance schemes -- an equation requiring detailed understanding of blade roughness and its measurements.
EXTENSIVE STUDIES carried out by the British Ship Research Association (BSRA) have shown that a power loss of up to 6% can result from a roughened propeller.
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 There has been a recent increase in number of incidents involving pollution from the Inert Gas Scrubber overboard discharge. The purpose of this Safety Alert Bulletin is to highlight this trend to all tanker operators especially those who are, may be, or aspire to be engaged in ExxonMobil affiliate business. It is hoped that this bulletin will cause such operators to review their internal procedures / guidelines for operations relating to Boilers and the Inert Gas Generator / System, including inspection and maintenance of machinery and equipment.
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 Stainless Steel Tanks CLEANING PROCEDURE
Step 1st
At least for 4 hours re circulate the tank with hot water (80 – 85 °C ) with completion of 3 machine cycle .
Step 2nd
Only applicable when tank is going for WALL WASH TEST standard specification :
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 THE INFORMATION BELOW IS BASED ON REVIEWS OF INDUSTRY INCIDENT INVESTIGATION REPORTS
The industry continues to experience an increasing number of incidents involving anchors, anchor chains, pawl bars / stoppers and windlass failures.
The purpose of this Safety Alert Bulletin is to highlight this continued trend to all tanker and barge operators.
Infomarine On-Line Technical Library
| File | Description | File size |
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 SafetyAlertBulletin _2_.pdf | The industry continues to experience an increasing number of incidents involving anchors, anchor chains, pawl bars / stoppers and windlass failures. | 127 Kb |
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 The purpose of this guide is to examine the hazards of cold exposure that may endanger your life, and to provide you with advice on how to prevent or minimize those dangers.
A thorough understanding of the information contained in this booklet may some day save your life.
The Maritime Safety Committee, at its eighty-first session (10 to 19 May 2006), with a view to providing enhanced guidance for passenger ships operating in cold water areas, approved the Guide to cold water survival, prepared by the Sub-Committee on Radiocommunications and Search and Rescue, at its tenth session (6 to 10 March 2006), as set out in the annex.
Infomarine On-Line Technical Library
| File | Description | File size |
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| MSC-1Circ.1185navigate-on-ice.pdf | The purpose of this guide is to examine the hazards of cold exposure that may endanger your life, and to provide you with advice on how to prevent or minimize those dangers. | 156 Kb |
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 Proper speed of the pump doesn't allow slops to build up , otherwise rewashed resulting in lost of time, that's why throughout the cleaning process , Expertise always kept cargo pump
( suitable with proper speed ) in runing condition.
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