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1、INTERNATIONAL STANDARD IS0 151 38:2000 TECHNICAL CORRIGENDUM 1 Published 2001-06-15 INTERNATIONAL ORGANIZATION FOR STANOARDIZATION MDI(CIYHAP0aHAR OPTAHMJUFI Il0 CTAHLIAPTUMH ORGANISATION INTERNATIONALE DE NORMAUSATION Petroleum and natural gas industries - Offshore production installations - Heatin
2、g, ventilation and air-conditioning TECHNICAL CORRIGENDUM 1 Industries du ptrole et du gaz naturel - Installations en mer - Chauffage, ventilation et climatisation RECTIFICA TIF TECHNIQUE 1 Technical Corrigendum 1 to International Standard IS0 151 38:2000 was prepared by Technical Committee ISO/TC 6
3、7, Materials, equipment and offshore structures for petroleum and natural gas industries, Subcommittee SC 6, Processing equipment and systems. Page 103 Figure F.2 - Rectangular flanges Delete the entire footnote a and replace it with the following footnote: a 75 mm (P1 and P2) , 150 mm ICs 75.1 8 0
4、. 1 O O IS0 2001 -All rights reserved Printed in Switzerland Ref. No. IS0 151 38:2000/Cor.l:2001 (E) COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services S
5、TD*ISO LSL38-ENGL 2000 W 4853703 0853122 470 INTERNATIONAL STANDARD IS0 151 38 First edition 2000-1 1-01 Petroleum and natural gas industries - Offshore production installations - Heating, ventilation and air-conditioning Industries du ptrole et du gaz naturel - Installations en mer - Chauffage, ven
6、tilation et climatisation Reference number IS0 15138:2000(E) 0 IS0 2000 COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services - - STD-IS LSL38-EFJGL 2000 H
7、4853903 0853323 307 I IS0 151 38:2000(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performin
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11、dress below or ISOs member body in the country of the requester. IS0 copyright office Case postale 56 CH-121 1 Geneva 20 Tel.+41 2274901 11 Fax +41227490947 E-mail copyrightiso.ch Web www.iso.ch Printed in Switzerland II O IS0 2000 - All rights reserved COPYRIGHT International Organization for Stand
12、ardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services STDDISO 1533B-ENGL 2000 b 4853703 0853324 243 IS0 151 38:2000(E) Contents Page Foreword . iv 1 Scope 1 2 Normative references 1 3 Terms and definiti
13、ons . 1 4 Abbreviated terms . 2 5 Design . 3 5.1 Introduction 3 5.2 Development of design basis . 6 5.3 System design - General 10 5.4 Area-specific system design 11 Annex A (informative) Guidance to clause 5 Design . 14 Annex B (informative) Equipment and bulk selection . 41 Annex C (informative) I
14、nstallation and commissioning guidance . 61 Annex D (informative) Operation and maintenance . 66 Annex E (informative) Data sheets 69 Annex F (informative) Flange standard . 101 Bibliography 104 O IS0 2000 . All rights reserved . III COPYRIGHT International Organization for Standardization Licensed
15、by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services STD-IS0 15138-ENGL 2000 4B5L903 0853125 1BT IBI IS0 151 38:2000(E) Foreword IS0 (the International Organization for Standardization) is a worldwide federation of nation
16、al standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. Internatio
17、nal organizations, governmental and non-governmental, in liaison with EO, also take pari in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules
18、 given in the ISOIIEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting, Publication as an International Standard requires approval by at least 75 YO of the member bodies casting a vote. Attention is drawn to the poss
19、ibility that some of the elements of this International Standard may be the subject of patent rights. IS0 shall not be held responsible for identifying any or all such patent rights. International Standard IS0 151 38 was prepared by Technical Committee ISO/TC 67, Materials, equipment and offshore st
20、ructures for petroleum and natural gas industries, Subcommittee SC 6, Processing equipment and systems. Annexes A through F of this International Standard are for information only. O IS0 2000 - Ali rights reserved COPYRIGHT International Organization for Standardization Licensed by Information Handl
21、ing Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services STD-IS0 LCL3B-ENGL 2000 I 4853703 085332b Olb INTERNATIONAL STANDARD IS0 151 38:2000(E) Petroleum and natural gas industries - Offshore production installations - Heating, ventilation and
22、air-conditioning 1 Scope This International Standard specifies requirements and provides guidance for design, testing, installation and commissioning of heating, ventilation, air-conditioning and pressurization systems and equipment on all offshore production installations for the petroleum and natu
23、ral gas industries which are: - new and existing; - normally occupied by personnel and not normally occupied by personnel; - fixed or floating but registered as an offshore production installation. NOTE For installations that could be subject to “Class“ or “IMO/MODU Codes - prevent the formation of
24、potentially hazardous concentrations of flammable gaseous mixtures in hazardous areas by provision of sufficient ventilation for the dilution, dispersion and removal of such mixtures; O IS0 2000 -All rights reserved 3 COPYRIGHT International Organization for Standardization Licensed by Information H
25、andling Services COPYRIGHT International Organization for Standardization Licensed by Information Handling Services IS0 151 38:2000(E) - maintain ventilation to all equipment and areashooms which are required to be operational during an emergency when the main source of power is unavailable; - provi
26、de a controlled environment in which personnel, plant and systems can operate effectively, including smoke control. These high-level goals are supported by lower-level goals of a functional nature which are stated later in the appropriate sections of this document. Subclause 5.2 concentrates on func
27、tional requirements in the development of a basis of design for either a new project or major modification to an existing installation. The requirements are related to: a) platform orientation and layout; b) hazard identification and hazardous area classification; c) environmental conditions; d) cho
28、ice of natural or mechanical ventilation systems; e) development of the controls philosophy; f) material selection; g) design margins and calculations; h) design development and validation using wind tunnel testing or Computational Fluid Dynamics (CFD). Ventilation may be natural (.e. the wind) or m
29、echanical or a combination of both. Throughout this International Standard, the use of the term “ventilation“ should be taken to include either natural or mechanical ventilation, as appropriate. Natural ventilation is preferred over mechanical ventilation where practical, since it is available throu
30、ghout gas emergencies, does not rely on active equipment and reduces effort required for HVAC maintenance. For new designs, the development of a design basis may be progressed using the guidance and examples of good engineering practice that are identified in this document, though it should be recog
31、nized that it involves a process of iteration as the design matures and does not take place as the sequential series of steps used in this document to facilitate presentation. The processes outlined here are equally applicable to major redevelopments to existing installations, but some compromise ma
32、y need to be made as a result of historical decisions regarding layout, equipment selection and the prevailing level of knowledge at the time. The challenge of providing cost-effective solutions in redevelopment may be significantly greater than for a new design. The finalized basis of design may be
33、 recorded on data sheets such as those provided in annex E. The completed design should be subject to hazard assessment review. The Hazard and Operability Study (HAZOP) technique may be used for this. In 5.2, objectives are identified which establish the goals. Functional requirements are outlined w
34、hich will enable the objectives to be achieved. The functional requirements are supported by technical guidance given in annex A, which discusses the suitability of different techniques for different applications and identifies examples of good engineering practice or cost-effective solutions that h
35、ave been used in some parts of the world. The functional requirements may be satisfied by other methods not identified in this document, but it is the responsibility of the user to assess whether the method is technically acceptable and acceptable to the local regulator. Subclause 5.3 addresses the
36、fundamental choice in system design, .e. between natural and mechanical methods of ventilation. 4 O IC0 2000 -All rights reserved COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standardization Licensed by In
37、formation Handling Services STD-IS0 25138-ENGL 2000 4851903 0853130 547 = Hazard management IS0 151 38:2000(E) Operate Enhance Abandon Define design Produce Construct Commission basis design facilities Subclause 5.4 gives functional requirements associated with the design of HVAC systems for differe
38、nt areas of a typical offshore installation which require particular technical considerations due to their location and/or their function. Figure 1 is intended to illustrate the processes undertaken at various stages of the installation life cycle and to identify reference documents and the appropri
39、ate clauses of this International Standard which provide the necessary guidance. I 1 I I I I 9- r 1 Establish controls I i ventilation philosophy I L Establish environmental r- conditions i O and M philosophy materials natural or detailed mechanical ventilation standard extent of I I HVA I 7 I + Aba
40、ndon II/ HVAC systems Finish - systems Figure 1 - Application of this International Standard to a project life cycle 0 IS0 2000 - All rights reserved 5 COPYRIGHT International Organization for Standardization Licensed by Information Handling Services COPYRIGHT International Organization for Standard
41、ization Licensed by Information Handling Services IS0 151 38:2000( E) 5.2 Development o f design basis 5.2.1 Orientation and layout 5.2.1.1 Objective To provide input into the early stages of design development so that areas and equipment that may have a requirement for HVAC, or be affected by its p
42、rovision, are sited in an optimum location, so far as is reasonably practicable. 5.2.1.2 Functional requirements Installation layout requires a great deal of coordination between the engineers involved during design and the operation, maintenance and safety specialists. Attention shall also be paid
43、to the minimization of construction, offshore hook-up and commissioning. It is not the intention of this International Standard to detail a platform-layout philosophy, but to identify areas where considerations of the role of HVAC, and requirements for it, might have an impact in the decision-making
44、 surrounding installation orientation and layout. Each installation should have a temporary refuge (TR). The TR should in almost all cases be the LQ, where they are provided. The survivability of the TR, which is directly related to the air change rate, may introduce consideration of active HVAC sys
45、tems for pressurization of the Living Quarters (LQ) or enclosed escape and evacuation routes. Active systems require detailed risk assessment exercises to be undertaken as part of the design verification, and passive systems are generally preferred since they do not rely on equipment functioning und
46、er conditions of emergency. Hazardous areas, particularly those containing pressurized hydrocarbon systems, should be located as far as practicable from the TR so that any gas leaks will be naturally dispersed. The layout shall include correct positioning of ventilation inlets and outlets, engine in
47、lets and exhausts, vents and flares to allow for safe operation, particularly of the TR. Hot exhausts shall not interfere with crane, helicopter, production or drilling operations or the LQ, and shall be directed so as not to be drawn into gas turbine air intakes. Air intakes to hazardous and nonhaz
48、ardous areas shall be located as far as is reasonably practicable from the perimeter of a hazardous envelope and not less than the minimum distance specified in the prevailing area classification code. For guidance, reference is made to clause A.l. 5.2.2 Hazardous area classification and the role of
49、 HVAC 5.2.2.1 Objective To adopt in the design and operation processes a consistent philosophy for the separation of hazardous and nonhazardous areas and the performance of ventilation in those areas. 5.2.2.2 Functional requirements IEC 60079-10 shall be used for classification of a hazardous area. The choice of hazardous area code determines the choice of equipment to be used in particular areas of the installation and also provides input to the performance standards for HVAC systems in those areas. For guidance, reference is made to clause A.2. 6 O IS0 2000 - All