DNV RP F111-2006 Interference Between Trawl Gear and Pipelines
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320B4FF5F825419697ACD6D27434DE31 |
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文件大小(MB)： |
0.49 |
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页数： |
36 |
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文件格式： |
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日期： |
2013-7-8 |
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文本摘录（文本识别可能有误，但文件阅览显示及打印正常，pdf文件可进行文字搜索定位）：
RECOMMENDED PRACTICE,DET NORSKE VERITAS,DNV-RP-F111,INTERFERENCE BETWEEN TRAWL,GEAR AND PIPELINES,OCTOBER 2006,Since issued in print (October 2006), this booklet has been amended, latest in April 2007.,See the reference to “Amendments and Corrections” on the next page.,Comments may be sent by e-mail to rules@dnv.com,For subscription orders or information about subscription terms, please use distribution@dnv.com,Comprehensive information about DNV services, research and publications can be found at http://www.dnv.com, or can be obtained from DNV, Veritasveien,1, NO-1322 H鴙ik, Norway; Tel +47 67 57 99 00, Fax +47 67 57 99 11.,. Det Norske Veritas. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, including photocopying,and recording, without the prior written consent of Det Norske Veritas.,Computer Typesetting (FM+SGML) by Det Norske Veritas.,Printed in Norway,If any person suffers loss or damage which is proved to have been caused by any negligent act or omission of Det Norske Veritas, then Det Norske Veritas shall pay compensation to such person,for his proved direct loss or damage. However, the compensation shall not exceed an amount equal to ten times the fee charged for the service in question, provided that the maximum compensation,shall never exceed USD 2 million.,In this provision "Det Norske Veritas" shall mean the Foundation Det Norske Veritas as well as all its subsidiaries, directors, officers, employees, agents and any other acting on behalf of Det,Norske Veritas.,FOREWORD,DET NORSKE VERITAS (DNV) is an autonomous and independent foundation with the objectives of safeguarding life, property,and the environment, at sea and onshore. DNV undertakes classification, certification, and other verification and consultancy,services relating to quality of ships, offshore units and installations, and onshore industries worldwide, and carries out research,in relation to these functions.,DNV Offshore Codes consist of a three level hierarchy of documents:,— Offshore Service Specifications. Provide principles and procedures of DNV classification, certification, verification and consultancy,services.,— Offshore Standards. Provide technical provisions and acceptance criteria for general use by the offshore industry as well as,the technical basis for DNV offshore services.,— Recommended Practices. Provide proven technology and sound engineering practice as well as guidance for the higher level,Offshore Service Specifications and Offshore Standards.,DNV Offshore Codes are offered within the following areas:,A) Qualification, Quality and Safety Methodology,B) Materials Technology,C) Structures,D) Systems,E) Special Facilities,F) Pipelines and Risers,G) Asset Operation,H) Marine Operations,J) Wind Turbines,Amendments and Corrections,This document is valid until superseded by a new revision. Minor amendments and corrections will be published in a separate,document normally updated twice per year (April and October).,For a complete listing of the changes, see the “Amendments and Corrections” document located at:,http://webshop.dnv.com/global/, under category “Offshore Codes”.,The electronic web-versions of the DNV Offshore Codes will be regularly updated to include these amendments and corrections.,DET NORSKE VERITAS,Recommended Practice DNV-RP-F111, October 2006,Introduction – Page 3,Introduction,DNV-RP-F111 is issued as an update to DNV Guidelines No.,13 "Interference between trawl gear and pipelines" issued in,1997. This RP replaces DNV Guideline No. 13, which will be,withdrawn.,— Trawl equipment has developed since 1997, and new types,of equipment (i.e. clump weights) are being used in the,North Sea and the Norwegian Sea. The new DNV-RPF111,includes these changes.,— As part of the qualification of new pipelines in the Norwegian,Sea (Kristin, Sn鴋vit and Ormen Lange), several,studies and model tests of clump weight interference with,pipelines have been performed. Results from these studies,have also been included in this RP.,Main changes,The main changes are:,— Harmonisation of the design format and acceptance criteria,with other DNV Offshore Codes.,— Includes increased sizes and new trawl equipment (in particular,clump weights used in twin trawling).,— Utilization of new know-how from recent pipeline,projects designing for clump weights.,Acknowledgements,The following companies sponsored this JIP:,— Hydro ASA,— Statoil,— DNV.,The following organisations have made major contributions to,the hearing process:,— Reinertsen Engineering,— Subsea 7.,DNV is grateful for the valuable input, including test results,cooperation and di……
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