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 8 of 84
Section 5 was re-ordered, Figure 5-1 revised, DAFs expanded to include submerged lifts,
guidelines for 1 crane-2 hook lifts added, yaw factor for inshore lifts deleted, use of alternative
codes added, minimum sling angles included
Old Section 11 (Underwater Lifting) moved into Section 5.7.7.
Section 5.6.8 added for inshore lifts made by jack-up crane vessels.
Section 5.6.9 expanded to include weather forecast levels.
Section 5.8.5 added: SKL for multi hook lifts.
Table 5-3: consequence factors revised.
Section 5.12.6 added: sling eye design.
Sections 6.3.1 and 8.7 added.
Old Section 12 (Heave compensated lifts) moved to Section 6.3.1.
Section 8.5 expanded to include trunnions and sling retainers.
Clearances in Section 9.4 generally updated and expanded.
Dimensional control requirements added to 10.3 and design requirements in Section 10.5.4.
Sections 9.2.6 – 9.2.8 added: bumper and guide clearances and dropped objects.
Limitation on number of chained shackles and shackle orientation added in Section 12.10.5.
Section 13 updated, showing requirements for sling certificates, doubled sling restrictions and
requirements for wire/sling type.
Old Section 13 (Lifts using DP) moved to Sections 12.7.1 and 12.8.9.
Sections 12.8.7 and 12.8.8 amended for in field environmental condition monitoring.
Section 12.8.10 added for risk assessments and HAZOPs
General text changes and revisions made.
2.10
Revision 7 superseded and replaced Revision 6. The changes were the removal of “by Floating Crane
Vessels” in the document title and a correction in Section 5.14.1.
2.11
Revision 8 superseded and replaced Revision 7. The change was a correction in Section 5.12.5.
2.12
Revision 9 superseded and replaced Revision 8. The changes were:
Definitions (Barge, IACS, Insurance Warranty, NDT, Survey, Vessel, Surveyor, Weather-
Restricted Operation, and Weather-Unrestricted Operations) in Section 3 revised.
Text modified in Section 4.1.2.
Weather forecast needs modified in Section 4.3.1.
Weight and CoG factor for piles added in Section 5.2.5.
CoG factor included for lifts not using a CoG envelope in Section 5.5.4.
DAF for lifts 100t to 1000t revised in Table 5-1.
Text added in Section 5.8.6 for 4 unequal slings in a single hook lift.
Factor for fibre rope sling splices included in Section 5.11.1.
Radius changed to diameter in Section 5.12.5.
Shackle MBL used instead of sling MBL in Section 5.14.2
Text amended in Sections 6.2.4, 8.4.1 and 18.10.h.
Clause added for tuggers attached to lift points in Section 7.4.3.
Clearances clarified in Sections 8.7.2 and 9.2.1.
Bumper force increased in Section 10.4.1.d.
Secondary bumper and guide forces added in Section 10.4.4.
Set down loads added in Section 10.4.2.