DEP 30.06.10.20-Gen.pdf
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1、MANUAL ESD SYSTEMS FOR LOADING AND DISCHARGING REFRIGERATED AND PRESSURISED LNG AND LPG CARRIERS DEP 30.06.10.20-Gen. October 1992 (DEP Circular 17/99 has been incorporated) DESIGN AND ENGINEERING PRACTICE USED BY COMPANIES OF THE ROYAL DUTCH/SHELL GROUP This document is confidential. Neither the wh
2、ole nor any part of this document may be disclosed to any third party without the prior written consent of Shell Internationale Petroleum Maatschappij B.V., The Hague, the Netherlands. The copyright of this document is vested in Shell Internationale Petroleum Maatschappij B.V., The Hague, the Nether
3、lands. All rights reserved. Neither the whole nor any part of this document may be reproduced, stored in any retrieval system or transmitted PDF created with pdfFactory Pro trial version in any form or by any means (electronic, mechanical, reprographic, recording or otherwise) without the prior wri
4、tten consent of the copyright owner. PDF created with pdfFactory Pro trial version PREFACE DEP (Design and Engineering Practice) publications reflect the views, at the time of publication, of: Shell International Oil Products B.V. (SIOP) and Shell International Exploration and Production B.V. (SIEP
5、) and Shell International Chemicals B.V. (SIC) The Hague, The Netherlands, and other Service Companies. They are based on the experience acquired during their involvementwith the design, construction, operation and maintenance of processing units and facilities, and they are supplemented with the ex
6、perience of Group Operating companies. Where appropriate they are based on, or reference is made to, national and international standards and codes of practice. The objective is to set the recommendedstandard for good design and engineeringpractice applied by Group companies operating an oil refiner
7、y, gas handling installation, chemical plant, oil and gas production facility, or any other such facility, and thereby to achieve maximum technical and economic benefit from standardization. The information set forth in these publications is provided to users for their consideration and decision to
8、implement. This is of particular importance where DEPs may not cover every requirement or diversity of condition at each locality. The system of DEPs is expected to be sufficiently flexible to allow individual operating companies to adapt the information set forth in DEPs to their own environment an
9、d requirements. When Contractors or Manufacturers/Suppliers use DEPs they shall be solely responsible for the quality of work and the attainment of the required design and engineering standards. In particular, for those requirements not specifically covered, the Principal will expect them to follow
10、those design and engineering practices which will achieve the same level of integrity as reflected in the DEPs. If in doubt, the Contractor or Manufacturer/Supplier shall, without detracting from his own responsibility, consult the Principal or its technical advisor. The right to use DEPs is granted
11、 by SIOP, SIEP or SIC, in most cases under Service Agreements primarily with companies of the Royal Dutch/Shell Group and other companies receiving technical advice and services from SIOP, SIEP or SIC. Consequently, three categories of users of DEPs can be distinguished: 1)Operating companies having
12、 a Service Agreement with SIOP, SIEP, SIC or other Service Company. The use of DEPs by these Operating companies is subject in all respects to the terms and conditions of the relevant Service Agreement. 2)Other parties who are authorized to use DEPs subject to appropriate contractual arrangements. 3
13、)Contractors/subcontractors and Manufacturers/Suppliers under a contract with users referred to under 1) or 2) which requires that tenders for projects, materials supplied or - generally - work performed on behalf of the said users comply with the relevant standards. Subject to any particular terms
14、and conditions as may be set forth in specific agreements with users, SIOP, SIEP and SIC disclaim any liability of whatsoever nature for any damage (including injury or death) suffered by any company or person whomsoever as a result of or in connection with the use, application or implementation of
15、any DEP, combination of DEPs or any part thereof. The benefit of this disclaimer shall inure in all respects to SIOP, SIEP, SIC and/or any company affiliated to these companies that may issue DEPs or require the use of DEPs. Without prejudice to any specific terms in respect of confidentiality under
16、 relevant contractual arrangements, DEPs shall not, without the prior written consent of SIOP and SIEP, be disclosed by users to any company or person whomsoever and the DEPs shall be used exclusively for the purpose for which they have been provided to the user. They shall be returned after use, in
17、cluding any copies which shall only be made by users with the express prior written consent of SIOP and SIEP. The copyright of DEPs vests in SIOP and SIEP. Users shall arrange for DEPs to be held in safe custody and SIOP or SIEP may at any time require information satisfactory to them in order to as
18、certain how users implement this requirement. All administrative queries should be directed to the DEP Administrator in SIOP. NOTE: In addition to DEP publications there are Standard Specifications and Draft DEPs for Development (DDDs). DDDs generally introduce new procedures or techniques that will
19、 probably need updating as further experience develops during their use. The above requirements for distribution and use of DEPs are also applicable to Standard Specifications and DDDs. Standard Specifications and DDDs will gradually be replaced by DEPs. DEP 30.06.10.20-Gen. October 1992 Page 2 PDF
20、created with pdfFactory Pro trial version TABLE OF CONTENTS 1.INTRODUCTIONS.5 1.1SCOPE 5 1.2DISTRIBUTION, INTENDED USE AND REGULATORY CONSIDERATIONS5 1.3DEFINITIONS 5 1.4CROSS-REFERENCES 6 2.EMERGENCY SHUTDOWN SYSTEMS7 2.1GENERAL7 2.2ESD-1, FIRST STAGE EMERGENCY SHUTDOWN SYSTEM . 8 2.3ESD-2, SECOND
21、 STAGE EMERGENCY SHUTDOWN SYSTEM 11 3.EXPORT TERMINAL EMERGENCY SHUTDOWN SYSTEMS 15 3.1ESD-1 AT EXPORT TERMINALS (Figures 1 and 3 - Appendices 1 and 4).15 3.2ESD-2 AT EXPORT TERMINALS .16 3.3SUMMARY OF EXPORT TERMINAL ESD ACTIONS 16 3.4SURGE PRESSURES GENERATED BY ESD ACTIONS OR SHIPS MANIFOLD VALVE
22、 CLOSURE AT EXPORT TERMINALS . 17 4.IMPORT TERMINAL EMERGENCY SHUTDOWN SYSTEMS . 19 4.1ESD-1 AT IMPORT TERMINALS (Figures 2 and 4 - Appendices 3 and 5) .19 4.2ESD-2 AT IMPORT TERMINALS 20 4.3SUMMARY OF IMPORT TERMINAL ESD ACTIONS . 20 4.4SURGE PRESSURES GENERATED BY SHORE VALVE CLOSURE 20 4.5SURGE P
23、RESSURES GENERATED BY A TRIP OF SHIPS PUMPS . 20 5.LOADING ARMS.22 5.1LOADING ARM CONTROL MODES .22 5.2MOVEMENT OF LOADING ARM ON EMERGENCY RELEASE 22 5.3MAINTAINED CAPABILITY OF HYDRAULIC CONTROL SYSTEM UNDER DEFINED FAULT CONDITIONS .22 5.4QUICK CONNECT/DISCONNECT COUPLERS .22 6.ESD LOGIC SYSTEMS.
24、24 6.1ESD-1 LOGIC SYSTEMS 24 6.2ESD-2 LOGIC SYSTEM 25 7.PROCESS CONTROL AND INSTRUMENTATION 27 7.1DOCUMENTATION .27 7.2SEGREGATION OF FUNCTIONS.27 7.3AVAILABILITY ASPECTS27 8.TESTING OF ESD AND HYDRAULIC SYSTEMS 28 8.1GENERAL28 8.2TEST FREQUENCY 28 8.3OVERRIDE SWITCHES 28 8.4TEST PROCEDURES .30 9.AD
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