Dnv Os H206 Pdf Download
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Dnv Os H206 Pdf Download
Seafastening of large loose seafastening or grillage debris after lift-off should be considered.16 Sec.3 Loads Page 16 SECTION 3 LOADS 3.1 Basic loads Weight and centre of gravity The object weight (W) as lifted should be the characteristic weight defined in DNV-OS-H102, Sec. γ m : Material factor. DHL: Dynamic hook load. Padeye: Lift point on a structure consisting of a steel main plate with a matched machined or drilled hole for the shackle pin. In these cases it is normally required to carry out structural calculations, with due consideration given to the stiffness of both rigging and lifted object. γ s : Reduction factor due to splicing. July 30, 2014read more → The Subsea Company launches new BOP Drifts The Subsea Company has been busy innovating tomorrows standards with a recent launch of 16 standard drifts, . PSA probes crane and lifting ops management at .
Special loads may include tugger line loads, guide loads, wind loads, hydrodynamic and hydrostatic loads, etc. Guidance note 1: For short time lifting operations close to fixed platforms, a smaller minimum distance than recommended in DNV- OS-H203 may be considered, given that most of the below listed items are giving favourable effect: a) Records of favourable (small) vessel footprints during similar operations are presented. b) For objects to be lifted over, around or between other objects a minimum clearance of 3.0 m is recommended. If these clearances are small, particular attention should be given to avoid damages in case of subsequent impacts. The four slings (two each end) and the spreader bar will form one plane. b) Swell/waves that are creating significant motions of the crane vessel.
In general SKL sl should be calculated for each lift rigging, however for some typical rigging configurations, the standard SKL sl indicated in [ ], [ ], [ ] or [ ] may be applied. The dynamic amplification factor is defined as (Dynamic Load + Static Load)/Static Load. Text affected by the main changes in this edition is highlighted in red colour. .. The VMO Standard supersedes and replaces DNV - Rules for Planning and Execution of Marine Operations. 1 Introduction Application General Complementary standards Objectives and conditions References Numbering and cross references Terminology and definitions Terminology Definitions Symbols and abbreviations. If the stated conditions are not met the SKL sl should normally be found by calculation. September 4, 2014read more → Popular Articles> Baker Hughes, GE ink merger agreement October 31, 2016read more → Statoil to suspend Songa Enabler rig October 31, 2016read more → EnQuest unleashes Kraken FPSO October 31, 2016read more → Popular news, October 24 - 30, 2016 October 30, 2016read more → Petrofac reaches milestone in freefall lifeboat launches (UK) Petrofac Training Services (PTS) is celebrating a major milestone of 1,000 launches of its freefall lifeboat at its .