Overload Test of NMF Heavy Lift Crane

The vessel carries project cargo and is equipped with two Heavy Lift cranes, make NMF, type DKII 180012/7033, with a SWL of 180T at 12m each. The cranes also can operate as twin cranes for tandem crane lifts of up 360 ton. ALATAS was tasked to carry out the crane overload test using waterbags and certified loadcell and issue a crane condition report, load test protocol and load test certificates.

ALATAS, as the worldwide leading marine crane specialist offers additional services during load testing that typically are not available from other load test providers.

We are an Enterprise of Competence with IACS UR Z17 class approval for Survey, Repair and Testing of Lifting Appliance. Overload testing is accompanied by one of our multi-disciplined crane Engineers who ensures that the tests will be conducted in a safe manner, following our detailed and approved crane load test procedures. Our crane expertise allows us to provide additional services such as:

  • Pre-inspection of crane structure, ropes, sheaves & blocks by a qualified Crane Engineer
  • Testing & adjusting of crane machinery & safeties, such as:

    • Limit switches
    • Electric, Electronic- & hydraulic overload protection equipment
    • Verifying Safe Load Indicators for rated & actual load indication, radius indication and correct alarm settings
    • Setting up the crane for overload testing, incl. by-passing of overload protection systems
    • Conducting the load test as per ALATAS load test protocol & check-list
    • Recording of crane parameters, such as pressures for SWL and Proof Load etc. via our Alatas Load Test Protocol
    • Re-setting all safeties to SWL to ensure the crane is fully overload protected
    • Taking samples of the hydr. Oil and of the slewing bearing grease for condition analysis
    • Measuring axial clearance of slewing bearings (Rocking Test)
    • If required: Issuing ILO Form 2 and endorsing cargo gear logbook
    • Issuing picture report with summary of findings & recommendations, c/w Load Test certificate and Load Test Protocol

Please contact to receive a competitive load testing offer.