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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Salt mist test is to be carried out for equipment installed in weather exposed areas.

IACS Unified Requirement and Unified Interpretation | ClassNK – English

Equipment is to be tested in its normal position if otherwise not specified in the test specification. Equipment to be mounted in consoles, housing etc. During the test, degradation or loss of function or performance which is self recoverable is however allowed but no change ud actual operating state or stored data is allowed.

Special consideration within the risk assessment of closed or semi-enclosed bunkering stations. Critical frequency is a frequency at which the equipment being tested may exhibit: Appropriate location of premixed engines using fuel gas mixed with air before the turbocharger.

Mobile Offshore Drilling Units E: Protection against cryogenic leakage and control of hazardous zones in fuel preparation rooms on open deck. The test in each direction is to be carried out for not less than 15 minutes. The outlines of technical resolutions adopted by IACS are available at the links shown below. For severe vibration conditions such as, e. More severe conditions may exist for example on exhaust manifolds of diesel engines especially for medium and high speed engines.


Strength of Ships W: Selective disconnection or shutdown and equipment operable after an emergency shutdown. Approval of consumables for welding normal and higher strength hull structural steels. The period of testing in each position should be sufficient to fully evaluate the behaviour of the equipment.

Mooring, Anchoring and Towing C: Materials and Welding Z: Recent revisions and changes have been underlined for easy reference.

UR E – Electricity

Pipes and Pressure Vessels S: The Equipment Under Test shall continue to operate as intended during and after the test. Electrostatic discharge IEC Contact discharge: However, equivalent testing procedure may be accepted by the individual Society provided that the Unified Requirements stated in the other columns are fulfilled.

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 Control and maintenance of pressure and temperature of liquefied gas fuel tanks after the activation of the safety system. Shipboard fittings and supporting hull structures iaccs with towing and mooring on conventional ships.


No degradation of performance or loss of function is allowed as defined in the technical specification published by the manufacturer. Passenger Submersible Craft SC: Sweep over a restricted frequency range between 0. 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. External surface area of the tank for determining sizing of iasc relief valve paragraph 8.

The EUT shall continue to operate as intended after the tests.

UR E10 Rev6 CLN

These inclination tests are normally not required for equipment with no moving parts. Relevant tests are as listed in the Table. For e110 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. No degradation of performance or loss of function is allowed as defined in relevant equipment standard and the technical specification published by the manufacturer. Notes to Test No.