ISA RP60 1-1990 Control Center Facilities《控制中心设施》.pdf

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1、Control Center FacilitiesApproved 5 October 1990ISARP60.11990RECOMMENDED PRACTICEISA The Instrumentation,Systems, andAutomation Society TMCopyright 1990 by the Instrument Society of America. All rights reserved. Printed in the UnitedStates of America. No part of this publication may be reproduced, s

2、tored in a retrieval system, ortransmitted in any form or by any means (electronic, mechanical, photocopying, recording, orotherwise), without the prior written permission of the publisher.ISA67 Alexander DriveP.O. Box 12277Research Triangle Park, North Carolina 27709ISARP60.11990, Control Center Fa

3、cilitiesISBN 1-55617-282-6ISA-RP60.1-1990 3PrefaceThis preface is included for informational purposes and is not part of ISA-RP60.1-1990.This recommended practice has been prepared as part of the service of the ISA toward a goal of uniformity in the field of instrumentation. To be of real value, thi

4、s document should not be static, but should be subject to periodic review. Toward this end, the Society welcomes all comments and criticisms, and asks that they be addressed to the Secretary, Standards and Practices Board, ISA, 67 Alexander Drive, P.O. Box 12277, Research Triangle Park, NC 27709, Te

5、lephone (919) 549-8411, e-mail: standardsisa.org.The ISA Standards and Practices Department is aware of the growing need for attention to the metric system of units in general, and the International System of Units (SI) in particular, in the preparation of instrumentation standards. The Department i

6、s further aware of the benefits to U.S.A. users of ISA standards of incorporating suitable references to the SI (and the metric system) in their business and professional dealings with other countries. Toward this end, this Department will endeavor to introduce SI-acceptable metric units in all new

7、and revised standards to the greatest extent possible. The Metric Practice Guide, which has been published by the Institute of Electrical and Electronics Engineers as ANSI/IEEE Std. 268-1982, and future revisions, will be the reference guide for definitions, symbols, abbreviations, and conversion fa

8、ctors.It is the policy of the ISA to encourage and welcome the participation of all concerned individuals and interests in the development of ISA standards. Participation in the ISA standards-making process by an individual in no way constitutes endorsement by the employers of the individual, of the

9、 ISA, or of any of the standards that ISA develops.The information contained in the preface and footnotes is included for information only and is not a part of the recommended practice.This recommended practice is one of a series that constitutes the control center standard ISA-S60. The individual s

10、ections provide continuity of presentation, convenience of reference, and flexibility of revision. The complete standard consists of the following sections:SECTION TITLE SCOPE*dRP60.2 Control Center Design methods and terminologyDesign Guide and used in the specification of controlTerminology center

11、 facilitiesRP60.3 Human Engineering Design concepts accommodatingof Control Centers mans physiological andpsychological capabilitiesRP60.4 Documentation for Guide to the documentationControl Centers associated with control centerspecifications*dRP60.5 Control Center Guide to the use of available gra

12、phicGraphic Displays display techniques4 ISA-RP60.1-1990RP60.6 Nameplates, Labels, Guide to the methods of identification and Tags for Control of control center equipment and partsCenters*dRP60.7 Control Center Guide to control center profiles,Construction fabrication and finish methods, andenclosur

13、e selectionRP60.8 Electrical Guide for Design concepts for control centerControl Centers electrical requirementsRP60.9 Piping Guide for Design concepts for control centerControl Centers piping requirements*dRP60.10 Control Center Guide to the methods of inspectionInspection and and testing prior to

14、control centerTesting acceptance*dRP60.11 Crating, Shipping, Guide to the available methods forand Handling for center crating, shipping, and handlingControl Centers* Draft Recommended Practice For additional information on the status of this document, contact ISA Headquarters.The persons listed bel

15、ow served as members of the ISA Control Centers Committee for the major share of its working period.NAME COMPANYR. W. Borut, Chairman The M. W. Kellogg CompanyG. F. Erk, Secretary RetiredH. S. Hopkins, Managing Director Utility Products of ArizonaW. W. Aird Aird Telcom AssociatesA. R. Alworth C. D.

16、Armstrong Tennessee Valley AuthorityF. Aured Silent Watchman CorporationB. W. Ball The Foxboro CompanyS. Boyer ESSO Plaza WestJ. H. Cusak Moore Products CompanyF. L. Dufree Swanson Monitrol SystemJ. M. Fertitta* The Foxboro CompanyC. Gording BIF Sanitrol/General SignalR. E. Hetzel Stauffer Chemical

17、CompanyT. R. Holland Johnson Controls, Inc Panel UnitA. A. Kayser NordenA. L. Kress 3M CompanyC. S. Lisser* *Chairman or Secretary EmeritusISA-RP60.1-1990 5W. A. Maxwell Lower Colorado River AuthorityR. E. Munz Mundix Control Center, Inc.H. R. Solk*I. Stubbs M. J. Walsh The Foxboro CompanyS. J. Whit

18、man American Chain b) soil lateral load, allowing for hydrostatic pressure;c) wind loading, walls and roof;d) impact loads, such as from elevators or vehicles; ande) installed dead loads (e.g., control centers, electrical switchgear, auxiliary power equipment, battery banks, tubing, cable, cable tra

19、ys, and raceways).3.1.3 Seismic considerationsRefer to The National Building Code Appendix J; the latest Uniform Building Code, Section 2312; and Section 10 of the Code of Federal Regulations (CFR), Part 50, for detail design parameters for earthquake-resistant construction and seismic zone maps of

20、the United States. Also refer to Institute of Electrical and Electronic Engineers (IEEE) Standards 323 and 344.3.1.4 Severity of weatherFoundations should extend below the frost line depth except when the foundation is on bedrock, on pilings, or on other structures that penetrate the frost line. Are

21、as of permafrost require special consideration. Frost lines may reach depths in excess of six feet.12 ISA-RP60.1-19903.2 Floors3.2.1 Types3.2.1.1 SlabA reinforced concrete slab is fireproof, resistant to shock, durable, strong, relatively inexpensive, and easy to maintain. Concrete slab floors are g

22、enerally 5 to 6 inches (125 to 150 mm) thick when at grade. The loading strength is dependent upon slab thickness and type and spacing of reinforcing wire or rod.3.2.1.2 RaisedRaised floors are commonly known as computer floors, which consist of square sections supported at the corners by adjustable

23、 jacks or along the sides with angle frames. The sections are prefabricated plates that are usually surfaced with a tile material and are easily supported above a slab floor. This type of floor is often used where large quantities of wire and cable must interconnect several control centers within a

24、facility with field terminals or other equipment. In addition, this type of floor allows for flexibility in rearranging floor-mounted equipment without a major impact.The space between the slab and removable plates can also be used effectively as an air conditioning distribution or return plenum. Th

25、ere may be special wiring restrictions when this space is so used.Raised floors are available to support various loads and should be sized carefully for present and future expected loads. A means of distributing concentrated loads should be used when moving control centers and other equipment into p

26、lace. Loads exceeding reasonable limits should be set directly on the slab floor. See precautions listed in 3.2.1.4 for trenches.3.2.1.3 PlateCarbon steel floor plate or grating set on structural members is generally used to support control centers located in open structures above grade. Corrosion a

27、nd safety considerations may dictate special surface finishes for this type of floor.3.2.1.4 TrenchedOne method for bottom entry of cable and tubing is the trenched floor. This normally consists of formed recesses in a slab floor, the recesses located strategically under the control center sections.

28、 Access can be either from outside the facility or from an adjacent termination room. Design problems with this approach include providing sufficient trenching and adequate cover for future needs. When using trenched or raised floors, precautions should be taken to prevent the accumulation of flamma

29、ble and toxic vapors and liquids in the recessed space and to prevent the entry of animal life. Appropriate combustible gas detectors, toxic gas detectors, and fire extinguishing and fire suppression systems (e.g., Halon) should be considered for trenched or raised floor installations.3.2.1.5 Combin

30、ationDesign considerations may dictate a combination of the above types of floors where present and future needs for wiring indicate a limited area of raised floor combined with, for example, a slab floor.ISA-RP60.1-1990 133.2.2 Floor surfacesA floor material is used to control static charges, dust,

31、 and moisture and to provide a non-slip, attractive appearance. Bare concrete floors in particular remain porous and tend to retain moisture and generate dust.3.2.2.1 A good concrete sealer may provide an adequate, serviceable floor surface for many applications.3.2.2.2 Tile and carpeting may be use

32、d but require significant care and maintenance. Carpeting provides a nonslip surface, but careful consideration must be given to its potential for accumulating dust and static electrical charges and the possibility of its emitting toxic fumes in the event of fire.3.2.2.3 Concrete floors with painted

33、 surfaces offer low resistance to wear.3.3 Protective structures3.3.1 Reference materialThe following are reference materials for U.S. areas: The National Building Code Appendix K Uniform Building Code Chapter 23 Southern Standard Building Code Section 12053.3.1.1 Rain and snowMasonry walls in areas

34、 of high rainfall should be adequately sealed. Transition areas, such as wall to roof and door openings, should utilize vertical lapping to prevent water entry. These principles will be of value in every area; however, extended roof projections are adequate in many cases. Ground water buildup is a p

35、roblem best handled by sufficient floor line elevation in preference to special lower wall treatment. Where required, other methods should be employed to ensure a dry facility.In some geographical areas, snow loading must be considered in roof design. Recommended snow loading design factors can be f

36、ound in the various building codes.3.3.1.2 FireBuildings in a potential area of fire exposure should utilize noncombustible materials for structure and furnishings and be equipped with fire doors.3.3.1.3 Blast waves and fragmentsa) Moderate exposure Exterior walls and roofs should be designed for ov

37、erpressure in the range of 0.5 psi (3.44 kPa) static loading or 3 to 5 psi (20.7 to 34.5 kPa) dynamic-type loading. A separately supported roof should be used with curtain walls. If blastproof windows or vision panels facing the exposure are required, they should be made of nonfragmenting material a

38、nd be no larger than 10 inches by 10 inches (254 mm by 254 mm). Interior walls should be resistant to 0.5 psi (3.44 kPa) static overpressure.b) Serious exposure Exterior walls and roofs should be designed for overpressure of approximately 3 psi (20.7 kPa) static loading or 10 to 15 psi (68.9 to 103.

39、44 kPa) dynamic-type loading. Additional loading resulting from a larger potential blast or from required proximity of the facility to the source of the blast normally requires the use of reinforced concrete, or equivalent construction, with no windows. Special consideration should be given to the d

40、esign and location of exterior doors.14 ISA-RP60.1-19903.3.2 Seismic effectsThe design of structures that are located in earthquake-prone areas is subject to special considerations. Appropriate design parameters are included in the referenced building codes.3.3.3 Dust and fumesEnclosed control cente

41、r facilities should be designed to minimize the entry of dust and flammable, toxic, and corrosive fumes, gases, and vapors. Measures normally include filtering and pressurization from a clean outside air source and the use of an airlock. Refer to NFPA 496 and Section 4.4.3.3.4 Openings3.3.4.1 DoorsT

42、he size of access doors is dependent upon the size of the control centers and other equipment that must pass into the facility. Metal access doors opening outward and equipped with automatic door closers are recommended. At least two exits are required for personnel safety, one being away from the p

43、lant.Various levels of security and selective access to the control center facility may be accomplished by the use of electronic card readers or keypad-type combination locks. Special door considerations include removable transoms, air locks, high mass doors for blast resistance, special gasketed do

44、ors for environmental purposes, “panic“ hardware for emergency exits, shielded assemblies for radiation areas, sound attenuating doors for high noise areas, self-closing doors for rooms with automatic fire suppression (Halon), and fire isolation doors that are self-closing on temperature rise.Variou

45、s levels of security and selective access to the control center facility may be accomplished by the use of electronic card readers or keypad-type combination locks.3.3.4.2 WindowsUse of windows should be avoided, but, if they are necessary, they should use glass reinforced with wire mesh. The area o

46、f each door window is commonly limited to 80 in.2 (516 cm2). Windows are sometimes limited in protective structures due to various hazards created by explosions or fires. Also see 3.3.1.3 and 3.3.1.4 for additional information. Wire-reinforced glass is recommended for use indoors to limit injury fro

47、m breakage and for increased security.Windows and/or skylights may be used to supplement facility lighting. Double-glazed insulation-type windows and tinted windows may be used to limit thermal loss or gain.3.3.4.3 Other openingsOther openings include those for nonprocess pipes, tubing, conduits, ca

48、ble trays, ducts, and ventilator fans. The use of flashing and weatherhoods is the normal method of sealing pipes and ducts through roofs.Pipe, cable, and tubing entries may be sealed by using bulk filler material around the cables, tubes, and/or trays. For most applications, a final resilient mater

49、ial may be used to seal the entry.More stringent conditions such as flammable, toxic, and dusty environments, wind-driven rain, integrity of electrical classification, fire, or radiation exposure may require the use of special entry fittings, seals, and trenches. Provisions for prevention of animal and insect entry may also be required.ISA-RP60.1-1990 153.4 Control center basesControl centers are normally supported off a facility floor or other surface in areas subject to washing by flooding or hosing. Drainage should be away from the control center. Such bases are u