The regulatory requirements in maritime and offshore applications are defined by the standards IEC for maritime navigation and radio communication. IACS Unified Interpretations were created with a view to the uniform The Implementation dates of the Unified Requirements (UR) and Unified Interpretations (UI) are shown in the “Implementation Date” column of the tables. UR E10, Rev. 年7月15日 IACS UR E10 – CCS 关于执行UR E10 (Rev.5)-型式认可试验规程要求的通知.
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UR E – Electricity
Using the directions defined in a to d above, the equipment is to be rolled to an angle of Passenger Submersible Craft SC: Electrostatic discharge IEC Contact discharge: Mooring, Anchoring and Towing C: Relevant tests are as listed in the Table.
The test in each direction is to be carried out for not less than 15 minutes. Shipboard fittings and supporting hull structures associated with towing and mooring on conventional ships. However, equivalent testing procedure may be accepted by the individual Society provided that the Unified Requirements stated in the other columns are fulfilled.
Selective disconnection or shutdown and equipment operable after an emergency shutdown. The EUT shall continue to operate as intended after the tests. Control and maintenance of pressure and temperature of liquefied gas fuel tanks after the activation of the safety system.
Recent revisions and changes have been underlined for easy reference. External surface area of the tank for determining sizing of pressure relief valve paragraph 8.
For severe vibration conditions such as, e. Sweep over a restricted frequency range between 0. During the test, degradation or loss of function or performance which is self recoverable is however allowed but no change of actual operating state or stored data is allowed. Pipes and Pressure Vessels S: No degradation of performance or loss of function is allowed as defined in the technical specification published by the manufacturer. The Equipment Under Test shall continue to operate as intended during and after the test.
Materials and Welding Z: Strength of Ships W: Texts of the IACS Unified Requirements and Unified Interpretations are made available on this page for the period of one year following the date of adoption.
Electrical and electronic equipment on board ships, required neither by classification rules nor by International Conventions, liable to cause eletromagnetic disturbance shall be of type which fulfill the test requirements of test specification items 19 and More severe conditions may exist for example on exhaust manifolds of diesel engines especially for medium and high speed engines. Damp heat IEC Publication test Db – measurement of insulation resistance before test; – equipment operating during the complete first cycle and switched off during second cycle except for functional test; – functional test during the first 2 hours of the first cycle at the test temperature and during the last 2 hours of the second cycle at the test temperature; – recovery at standard atmosphere conditions; – insulation resistance measurements and performance test.
Special consideration within the risk assessment of closed or semi-enclosed bunkering stations.
UR E10 Rev6 CLN
Interval between each application: Appropriate location of premixed engines using fuel gas mixed with air before the turbocharger.
According to level 2 severity standard Single pulse time: These inclination tests are normally not required for equipment with no moving parts.
Protection against cryogenic leakage iacx control of hazardous zones in fuel preparation rooms on open deck. The period of testing in each position should be sufficient to fully evaluate the behaviour of the equipment. No degradation of performance or loss of function is allowed as defined in relevant equipment standard and iaccs technical specification published by the manufacturer. The outlines of technical resolutions adopted by IACS are available at the links shown below. Notes to Test No.
UR E10 Rev6 CLN – IACS
For equipment installed on the bridge and deck e1, the test levels shall be increased to 10V rms for spot frequencies in accordance with IEC at 2, 3, 4, 6. Equipment to be mounted in consoles, housing etc. Equipment is to be tested in its normal position if otherwise not specified in the test specification. Salt mist test is to be carried out for equipment installed in weather exposed areas.
Test criteria based upon application. Critical frequency is a frequency at which the equipment being tested may exhibit: Approval of consumables for welding normal and higher strength hull structural steels. Mobile Offshore Drilling Units E: