BRITISH MARINE MANAGERS LIMITED

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					                                                                BRITISH MARINE
                   LEAK TEST OF CARGO HATCH COVERS BY ULTRASONIC EQUIPMENT

 Name of vessel:


 Hatch No:……………of…………… (from forward)                                                   Date:


 Hatch Type:


 Ultrasonic equipment type: Transmitter:                                                   Receiver:


  1.   INITIAL MEASUREMENTS WITH OPEN HATCH (Minimum preferred OHV is 40db)
       Open hatch value, OHV
       (to be uniform over the tested area)……………………dB   10% of OHV …………………….dB


  2.   FAIL/PASS CRITERION                           It the db reading is more than 10% of OHV the hatch cover is not
                                                     considered weathertight and corrective action needs to be taken.


  3.   MEASUREMENTS WITH CLOSED HATCH WHERE READING > 10% OHV
       Position:                db Reading Remarks
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  4.   REMARKS

       ……………………………………………………………………………………………………………...................
       ..…………………………………………………...…………………………………………………………………
       …………………………………………………………………………………………………………………………
       …………………................………………………………………………………………………………..…………
       ………………………………………………………………………………………………....…………………...…
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de241acd-de44-4b59-b74e-9241e6d2c4e8.doc
         BRITISH MARINE
         ULTRASONIC LEAK TEST OF HATCHCOVERS                             (A copy is to be left with the MASTER)

             Surveyor to insert positions of cross-joints etc. Indicate areas where leakage (>10% OHV) by X

    SHIP    ……………………………………………………….                                    HATCH NUMBER          …………………………..


                                                        FWD




                P                                                                                             S
                O                                                                                             T
                R                                                                                             B
                T                                                                                             D




                                                         AFT

 Signature of Master:                                        Name and signature of Surveyor:

 For receipt only ………………………………...........…                   ……………………………………………………


 Date:                                                       Place:



de241acd-de44-4b59-b74e-9241e6d2c4e8.doc

				
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posted:9/30/2012
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