influence of bottom trawl gear on submarine pipelines.pdf - PDFQueen - PDF Search engine. Free unlimited pdf search and download.

and route in. “Influence of Bottom Trawl Gear on Sub- question. ... VHL model-and field study of bottom trawl loading on submarine pipelines. (Prototype ...

http://www.onepetro.org/google/Papers/SPE/eLibrary_Papers/otc/1980/80OTC/OTC-3782-MS/OTC-3782-MS-P.pdf?id=OTC-3782-MS&soc=OTC

INFLUENCE OF BOTTOM TRAWL GEAR ON SUBMARINE PIPELINES. GTC 2280. It is not sufficiently known what could happen when? pipeline on the sea floor, ...

http://www.onepetro.org/google/Papers/SPE/eLibrary_Papers/otc/1975/75OTC/OTC-2280-MS/OTC-2280-MS-P.pdf?id=OTC-2280-MS&soc=OTC

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http://exchange.dnv.com/OGPI/OffshorePubs/Members/rp-f111.pdf

DNV-RP-F109 On bottom stability design of submarine pipelines. DNV-RP-F111 Interference between Trawl gear and. Pipelines. 1.6.4 Other codes ...... resistance and this will influence the post buckling configura- ...

http://exchange.dnv.com/OGPI/OffshorePubs/Members/rp-f110.pdf

the vicinity of submarine pipelines, in order to ensure safe fishing activities. ... developed to enable bottom trawling over obstacles such as a pipeline. ... trawl along without risking any damage to trawling equipment. ...

http://www.nord-stream.com/fileadmin/Dokumente/Background_Info_Fishery/Nord_Stream_Backgr_info_Fishery_eng_20080417.pdf

pipelines subjected to trawl-gear interference. The following design criteria are ... DNV-RP-E305, On-bottom Stability. Design of Submarine Pipelines", ...

http://www.nord-stream.com/fileadmin/Dokumente/eia_permitting/SWEDocuments/SWEDocs/Appendizes/Appendix_B_DNV_OSF101_design_Approach.pdf

Submarine pipelines: formal environmental requirements based on the German case ............... 12. 4.1 Approval in the EEZ . ..... region), will go along the Baltic Sea bottom within the ... trawling gear, as well as the environmental conditions .... also influence hydrobionts. Short thermal impact ...

http://www.ccb.se/seminars/documents/wwf_studypipes.pdf

concerning the effect of bottom trawl gear crossing on submarine pipeline integrity,” Proc. Offshore Technology conference, OTC #5616, p. 563-572, 1987. ...

http://ieeexplore.ieee.org/iel3/4196/12399/00572556.pdf?arnumber=572556

certain fishing gear (especially bottom trawls) and dragging anchors represent a ... Surface waves will influence vessel motions during in- stallation and, if of sufficient ..... making for arctic submarine pipelines", Offshore Me- ...

http://ieeexplore.ieee.org/iel2/1035/13384/00612683.pdf?arnumber=612683

DESIGN OF SUBMARINE. PIPELINES. Prepared by Trevor Jee Associates ..... do not have an influence on the response, ie the end may be anchored, ...... Recent investigations concerning the effect of bottom trawl-gear crossings on submarine ...

http://www.hse.gov.uk/RESEARCH/othpdf/500-599/oth561.pdf

1990, Abandonment of Submarine Pipelines by JA Bray and M W Cooper, IBC ..... equipment failure. The procedures set out in Appendix 1 are intended to guard .... Mean values of the on-bottom currents and significant waves were determined, ...... risk from anchor and trawl board impact damage. The occurrence of an ...

http://www.hse.gov.uk/RESEARCH/othpdf/500-599/oth535.pdf

of trawling gear striking an underwater oil pipeline. Plate XlV la) Steel rectangular Vee otterboard (1.7 ... concrete coated submarine pipeline. Towing speed was 2 m s-', depth 30 m. .... behaviour of fish within the influence of fishing gear. ... bottom trawl by direct observation from a towed underwater vehicle. ...

http://www.marlab.ac.uk/Uploads/Documents/No 29.pdf

These are the factors which mainly influence the flora and fauna in the Baltic ...... to lift their gear. Pipeline on the Seabed in Areas with Bottom Trawling ... recommendations around fishing and submarine pipelines in order to ensure ...

http://www.envir.ee/orb.aw/class=file/action=preview/id=1094109/Fish+and+fishery.pdf

by SC Drew - 2009 - Cited by 5

http://www.iscpc.org/information/Openly Published Members Area Items/ICPC_Fishing_Booklet_Rev_2.pdf

9 Dec 2009 ... Recommended practice for IM of Submarine Pipeline Systems. JIP Participants ... Define equipment scope ( i.e. all equipment that ... On-bottom stability. Static overload. Fatigue. Extreme weather ... Third party – Damage to the pipeline caused by third party interference, e.g. anchor or trawl ...

http://www.ptil.no/getfile.php/Presentasjoner/Feltrørledninger - seminar 12_2009/5 Integriy Management of Submarine Pipeline Systems - Bente H Leinum (DNV).pdf

submarine pipelines to buckle. This project especially deals with the ...... influence the on bottom stability and the mechanical design of ...... trawl gear is pulled and forced to cross the pipeline, creating lateral forces. ...

https://dspace.lib.cranfield.ac.uk/bitstream/1826/2229/1/Thesis - Florian Gouneau.pdf

submarine cables and pipelines, and changes in water chemistry (e.g. ocean ..... This table details closures to bottom-trawl fishing gear (and in some cases ...

http://www.icriforum.org/gcrmn/2008/3. Cold-Water Corals.pdf

fathoms), have been closed to bottom trawl gear (Pacific. Fishery Management Council, 2005) .... submarine pipelines to transfer captured carbon dioxide to the storage sites. ... continue to influence climate even if major reductions in ...

http://www.unep-wcmc.org/pdfs/ICPC-UNEP_Cables.pdf

satellite navigation equipment, permit submarine cables to be installed with unprecedented ... than about 1500 m, the present limit of most bottom trawl ...

http://www.unep-wcmc.org/oneocean/pdf/ICPC-UNEP_Cables.pdf

Disturbances to deep sea coral communities from bottom trawls are well documented and pose the most ... harvesting, and submarine cable/pipeline deployment also can ... In 1983, the Council prohibited the use of trawl gear, bottom-set ...

http://www.nmfs.noaa.gov/habitat/habitatprotection/pdf/coral/Deep Sea Corals-habitat connections.pdf

extraction; and submarine cable/pipeline deployment (Freiwald et al. ..... prohibition on the use of trawl gear, bottom-set long-lines, and bottom-set gill ...

http://www.nmfs.noaa.gov/habitat/rtc.pdf

perform on-bottom stability design of submarine pipelines. Objective. • Increased understanding of aspects related to ... With this course we focus on subjects such as trawling .... applied for components, equipment and systems, which ...

http://www.dnv.pl/Binaries/Energy_training_catalogue_2009_tcm144-342924.pdf

Norske Veritas (DNV) Offshore Standard OS-F101, Submarine Pipeline ... Interference Between Trawl Gear and Pipelines, Sept 1997 ... The offshore pipeline requires concrete weight coating to prevent floatation and to meet on-bottom ...

http://www.encana.com/operations/offshore/deeppanuke/pdfs/filings/p004561.pdf

by J Schupp - Cited by 2

http://www-civil.eng.ox.ac.uk/people/bwb/papers/OMAE2006_92542.pdf

Submarine pipeline needs to be designed to its full functional and safe. ..... On-bottom stability analysis is performed to ensure the stability of the ..... Hooking is a situation where the trawl gear gets stuck under the pipeline, ...

http://www.efka.utm.my/thesis/IMAGES/3PSM/2007/JSB/PARTS6/calvinba030016d07ttt.pdf

described by DNV specifically relates to pipeline ... faults that occur to submarine cable systems. Of ... bottom trawling, the gear is towed over the ...

http://www.eow2007proceedings.info/allfiles2/51_Eow2007fullpaper.pdf

Rules for Submarine Pipelines. Header design according to DNV Rules for Submarine Pipelines ... The lower the structure the less effect the trawl gear will have in friction, ... 4.3.1 Bottom Frame/Main Frame and Protection Structure ...

http://www.standard.no/PageFiles/1011/U-002r2.pdf

Submarine pipeline systems. EU Directive 98/37/EC, Safety of machinery .... trawl gear type (otter/cotesi, beam etc.);. • trawl speed; ..... The loads induced on the PGB/bottom frame from the well systems shall depend upon the following ...

http://www.standard.no/PageFiles/1013/U-001.pdf

Morelissen et al. report that pipelines in the North Sea have been .... Fishers have been complaining about the effects of bottom trawl gear on the ..... with the variation recorded in the Reference Area where there is no submarine ... This implies that if the geomagnetic field is locally altered it could influence ...

http://www.nanticokeriver.org/web documents/SubmergedCablePreliminaryLiteratureReview.pdf

A STUDY ON THE INFLUENCE OF THE RIGGING CONFIGURATION ON ..... PIPELINES. TRAWL FORCES ON FREE-SPANNING PIPELINES ... ELECTRIC HEAT TRACING OF SUBMARINE PIPELINES INDUCTION HEATING ..... NONLINEAR WAVE FORCE ON THE BOTTOM OF A CIRCULAR CYLINDER .... CHAOTIC AND STOCHASTIC DYNAMICS OF OFFSHORE EQUIPMENT ...

http://www.isope.org/publications/proceedings/ISOPE/PROC-91-CON.pdf

Lowestoft and Aberdeen Laboratories tested bottom trawls of different design and ... prominent throughout the decade, attention was also paid to the influence of hook ... consumption and fuel saving, gear and pipeline interactions, ..... On the interference between beam trawls and submarine telephone cables in the ...

http://www.wgftfb.org/publications/history html files/history.pdf

submarine) trips since 2000 to the region's deep sea hundreds of meters .... and production, cable and pipeline placement, precious-coral mining, ... from bottom-tending fishing gear, especially bottom trawl gear, are the ...

http://www.scseagrant.org/pdf_files/ch_win_09.pdf

Assembly of Submarine Plant : The activity of jointing cable sections and repeaters into ..... fishing gear (bottom trawling, otter boards, beam trawls). ... It is normal for cables to cross pipelines at 90 degrees and to continue at 90 ...

http://www.scig.net/Section03.pdf

by DL Watters - 2010organisms by derelict fishing gear) caused by the debris. We calculated the density of debris ..... bottom trawl surveys off Oregon, the eastern Bering Sea, and Nor- ton Sound. ... debris and its impacts to the seafloor in deep submarine canyons .... oil and gas pipelines) will determine the type and magnitude of ...

http://www.lovelab.id.ucsb.edu/Watters et al. 2010.pdf

however, permits several species to colonise this new, hard-bottom ..... methods using trawls (midwater trawling) and fishing methods using bottom-towed gear (bottom trawling). ... November 1992 on the protection of submarine cables and pipelines. ... whether sitings could be likely to influence military exercises. ...

http://www.ens.dk/en-us/supply/renewable-energy/windpower/offshore-wind-power/future-offshore-wind-parks/documents/offshore wind - stakeholder interests, eia.pdf

ship, mid-water trawl gear throughout the protection zone. .... bottom. A rope connects the trap to a marker buoy at the surface. ..... pipeline, or any associated equipment in the protection zone includes any activity relating ...

http://acma.gov.au/webwr/_assets/main/lib100668/es_sub_cable-nthn_sydney_protect_zone_decl2007.pdf

Midwater trawl means trawl gear that is designed and rigged to work in ..... inside the pots or traps ensure the pots or traps remain upright as they sink to the bottom. .... any like cables or pipelines and any associated equipment; or ...

http://acma.gov.au/webwr/_assets/main/lib100668/es_to_wa_pz_declaration.pdf

engine power and heavy fishing gear are required, which makes this ... man-made obstructions in the sea and on the sea bottom, such as drilling- and production platforms and submarine pipe lines for oil and gas, connecting the platforms and ... a man being squeezed between the net and the trawl winch when the net ...

http://www.aimu.org/IUMI PAPERS/INLAND HULL WORKSHOP - SAFETY ON BOARD FISHING VESSELS/A Surveyors View.pdf

DNV OS-F101, Submarine Pipeline Systems (“DNV 2000”). .... Bottom Hole Gas. Sample 4594-S1-F. Bottomhole. Sample 1439-M1-F. Wellhead ..... proposals included the Design Basis for Fishing Protection and Trawl Gear Interaction Analysis. ...

http://www.corribgaspipelineabpapplication.ie/files/09076_PDFs/s40_design premise.pdf

ship, mid-water trawl gear throughout the protection zone. .... bottom. A rope connects the trap to a marker buoy at the surface. ..... like cables or pipelines, or any associated equipment in the protection zone. Because the ...

http://www.comlaw.gov.au/ComLaw/Legislation/LegislativeInstrument1.nsf/0/3D092B7B0419F546CA25731C001BB901/$file/AttachmentC.pdf

29 Jan 2010 ... that if a ship sacrifices an anchor or fishing gear to avoid ..... The possibility of obtaining a world-wide ban on bottom trawling in ...... submarine pipeline or high-voltage power cable, shall be a punishable offence. ...

http://cil.nus.edu.sg/wp/wp-content/uploads/2009/10/Workshop-Report-29-Jan-2010.pdf

Fishing vessels which are bottom trawling in the region need a minimum ... reef is subject to minimal coastal influence. ... Common Fisheries Policy measures which prohibit the use of bottom trawling gear within the SAC boundary. ... the laying of submarine cables and pipelines also requires regulatory consent. ...

http://www.ukmpas.org/pdf/Sitebasedreports/DarwinMounds_SelectionAssessment_4.0.pdf

destructive fishing gear and techniques, such as bottom trawling or dredging, ..... For submarine ridges, the limit is 350 n.m., although this does not .... cables and pipelines, marine scientific research, and constructing artificial ...

http://www.anp.gov.br/brasil-rounds/round8/round8/guias_r8/sismica_r8/Bibliografia/Kimball-ForgottenForests.pdf

by J KLUNGSØYR - 1995 - Cited by 16

http://pubs.aina.ucalgary.ca/arctic/Arctic48-3-279.pdf

by M Hall-Spencer - 2008 - Related articles

http://cmsdata.iucn.org/downloads/science_behind_the_guidelines_low_res.pdf

for an example to show the influence of water depth is shown in Chart 2-1 with ...... of Bottom Trawl Gear on Submarine Pipelines," OTC Paper 2280, 1975. ...

http://www.mms.gov/tarprojects/076/076AA.PDF

by KH Vora - 1993 - Related articles

http://drs.nio.org/drs/bitstream/2264/2883/2/Indian_J_Power_River_Valley_Dev_43_163.pdf

by SA Kingsley - Related articles

http://www.shipwreck.net/pdf/OMEPapers4Final_000.pdf

The current economic climate in the submarine telecoms cable industry dictates that ... capital cost of the subsea equipment and installation but also the whole life costs ... A methodology for carrying out a risk assessment of pipelines and umbilical ... Bottom (demersal) trawling is one of the main types of ...

http://www.setech-uk.com/pdf/Paper7.pdf

by PG Allan - Cited by 4

http://www.setech-uk.com/pdf/Paper5.pdf