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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Recent revisions and changes have been underlined for easy reference. Sweep over a restricted frequency range between 0. Approval of consumables for welding normal and higher strength hull structural steels. Equipment is to be tested in its normal position if otherwise not specified in the test specification.

Materials and Welding Z: Critical frequency is a frequency at which the equipment being tested may exhibit: Equipment to be mounted in consoles, housing etc. External surface area of the tank for determining sizing of pressure relief valve paragraph 8.

UR E10 Rev6 CLN – IACS

Pipes and Pressure Vessels S: According to level 2 severity standard Single pulse time: Salt mist test is to be carried out for equipment installed in weather exposed areas. Selective disconnection or shutdown and equipment operable after an emergency shutdown. Relevant tests are as listed in the Table. The EUT shall continue to operate as intended after the tests. Using the directions defined in a to d above, the equipment is to be rolled to an angle of Protection against cryogenic leakage and control of hazardous zones in fuel preparation rooms on open deck.


During the test, degradation or loss of function iaca performance which is self recoverable is however allowed but no change of actual operating state or stored data is allowed.

UR E10 Rev6 CLN

For equipment installed on the bridge and deck zone, the test levels shall be increased to 10V rms for spot frequencies in accordance with IEC at 2, 3, 4, 6. 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.

The outlines of technical resolutions adopted by IACS are available at the links shown below. More severe conditions may exist for example on exhaust manifolds of diesel engines especially for medium and high speed engines. Electrostatic discharge IEC Contact discharge: Test criteria based upon application.

Special consideration within the risk assessment of closed or semi-enclosed bunkering stations. Interval between each application: Notes to Test No. No degradation of performance or loss of function is allowed as defined in relevant equipment standard and the technical specification published by the manufacturer.

Strength of Ships W: Control and maintenance of pressure and temperature of liquefied gas fuel tanks after the activation of the safety system. 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 The Equipment Under Test shall continue to operate as intended during and after the test.


The period of testing in each position should be sufficient to fully evaluate the behaviour of the equipment. The test in each direction is to be carried out for not less than 15 minutes. These inclination tests are normally not required for equipment with no moving parts. However, equivalent testing procedure may be accepted by the individual Society provided that the Unified S10 stated in the other columns are fulfilled.

UR E – Electricity

Mobile Offshore Drilling Units E: Appropriate location of premixed engines using fuel gas mixed with air before the turbocharger. Passenger Submersible Craft SC: Shipboard fittings and supporting hull structures associated with towing and mooring on conventional ships.

Mooring, Anchoring and Towing C: For severe vibration conditions such as, e. 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.

No degradation of performance or loss of function is allowed as defined in the technical specification published by the manufacturer.