0027-nd rev 11.2 8-jul-16 guidelines for marine lifting and lowering operations
GUIDELINES FOR MARINE LIFTING & LOWERING OPERATIONS 0027/ND Rev 11 Page 10 of 84 2.14
Revision 11 superseded and replaced Revision 10. Extensive changes have been made to content
and layout. Major changes are marked with a line in the right hand margin and are:
Definitions and Abbreviations updated in Section 3.1.
Typical required surveys updated in Section 4.5.1.
Weight Contingency Factors and Centre of Gravity Factors updated in Section 5.2 which refers
to Section 8 of 0001/ND, Ref. [1].
Hook load requirements moved from Section 5.3 to Section 10.3.
Additional module tilt requirements for single crane lifts included in Section 5.3.
Lift point loads moved from Section 5.5 to Section 6.3.
Section 5.4 renamed “2-Hook Lift Factors” and contains requirements from old Section 5.9 with
factors updated and additional requirements added.
Sling loads moved from Section 5.6 to Section 6.4.
Section 5.5 renamed “Dynamic Amplification Factors” and contains requirements from old
Section 5.7 with factors updated and additional requirements added.
Section 5.6 renamed “Skew Load Factor (SKL)” and contains requirements from old Section 5.8
with factors updated and additional requirements added.
Section 5.7 renamed “Additional Factors” and contains new requirements for special loads.
Section 5.8 renamed “2-Part Sling Factor” and contains requirements from old Section 5.10 with
factors updated and additional requirements added.
Section 5.9 added to incorporate stability checks required for lifting operations
Old Sections 5.11 (Termination Efficiency Factor), 5.12 (Bending Efficiency Factor), 5.13 (Sling
or Grommet Safety Factors) and 5.15 (Grommets) updated in methodology for sling/grommet
design and now contained in Section 7.
Old Section 5.14 (Shackle Safety Factors) updated in methodology for shackle design and now
contained in Section 8.
Old Section 5.16 (Consequence Factors) moved to Section 11.4.
Old Section 5.17 (Fibre Rope Deployment Systems) moved to Section 9.5.
Old Section 6 (The Crane and Installation Vessel) moved to Section 10. Clarity added for IACS
details.
Section 6 renamed “Derivation of Hook, Lift Point and Sling Loads” and contains relevant
sections moved from the old Section 5 with guidance given on hook load derivation.
Old Section 7 (Structural Calculations) moved to Section 11.
Section 7 renamed “Sling and Grommet Design” and contains relevant sections moved from the
old Section 5 with a comparison of safety factors with those in EN 13414-3:2003 contained in
Section 7.1.2. Methodology for sling and grommet design completely updated.
Old Section 8 (Lift Point Design) moved to Section 12, and generally updated.
Section 8 renamed “Shackle Design” and contains relevant sections moved from the old
Section 5. Methodology for shackle design updated.
Old Section 9 (Clearances) moved to new Section 16.
Section 9 renamed “Other Lifting Equipment” to cover new section for lifting tools, clarification
on spreader bars/frames, other lifting equipment (chains, rings, hooks etc.) and contains the old
Section 5.17 (Fibre Rope Deployment Systems).
Old Section 10 (Bumpers and Guides) moved to new Section 17.
Old Section 11 (Installation of Subsea Equipment) moved to new Section 19.
Section 11 renamed “Structural Calculations” and contains the old Section 7 and the
consequence factors from the old Section 5.16.
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