UL 2085-1997 UL Standard for Safety Protected Aboveground Tanks for Flammable and Combustible Liquids (Second Edition Reprint with Revisions Through and Including September 29 2010.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 2085Protected Aboveground Tanksfor Flammable andCombustible LiquidsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATER

2、IAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL Standard for Safety for Protected Aboveground Tanks for Flammable and Combustible Liquids, UL2085Second Edition, Dated December 30, 1997Summary of TopicsThis revision is being made to update the title page to ind

3、icate that the standard is no longer anAmerican National Standard.Text that has been changed in any manner or impacted by ULs electronic publishing system is markedwith a vertical line in the margin. Changes in requirements are marked with a vertical line in the marginand are followed by an effectiv

4、e date note indicating the date of publication or the date on which thechanged requirement becomes effective.All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or ot

5、herwisewithout prior permission of UL.UL provides this Standard as is without warranty of any kind, either expressed or implied, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.In no event will UL be liable for any special, incidental, consequential,

6、 indirect or similar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the use of or theinability to use this Standard, even if UL or an authorized UL representative has been advised of thepossibility of such damage. In no event shall ULs liability fo

7、r any damage ever exceed the price paid forthis Standard, regardless of the form of the claim.Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold ULharmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonableat

8、torneys fees) resulting from any error or deviation introduced while purchaser is storing an electronicStandard on the purchasers computer system.The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, figures,and/or other elements of the Standard having f

9、uture effective dates as indicated in the note following theaffected item. The prior text for requirements that have been revised and that have a future effective dateare located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice.SEPTEMBER 29, 2010 UL 2085 tr1UL COPYRIGHTED MAT

10、ERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSEPTEMBER 29, 2010 UL 2085tr2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULDECEMBER 30, 1997(Title Page Reprinted: September 29, 2010)

11、1UL 2085Standard for Protected Aboveground Tanks for Flammable andCombustible LiquidsThe first edition was titled Insulated Aboveground Tanks for Flammable andCombustible Liquids.First Edition December, 1994Second EditionDecember 30, 1997Comments or proposals for revisions on any part of the Standar

12、d may besubmitted to UL at any time. Proposals should be submitted via a ProposalRequest in ULs On-Line Collaborative Standards Development System (CSDS)at http:/.ULs Standards for Safety are copyrighted by UL. Neither a printed nor electroniccopy of a Standard should be altered in any way. All of U

13、Ls Standards and allcopyrights, ownerships, and rights regarding those Standards shall remain thesole and exclusive property of UL.COPYRIGHT 2010 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSEPTEMBER 29, 2010U

14、L 20852No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .52 General 62.1 Components .62.2 Units of measurement .62.3 Undated references .63 Glossary 6ACONSTRUCTION4 General 75 Primary Tank .76 Sec

15、ondary Containment and Interstitial Space 87 Normal and Emergency Venting 98 Spill Containers .99 Supports .910 Grounding 9PERFORMANCE11 Samples and Test Selection .1011.1 General .1011.2 Full scale fire test samples 1011.3 Environmental exposure and small scale fire test samples 1112 Pipe Fitting T

16、orque Strength Test .1313 Pipe Fitting Bending Moment Strength Test 1314 Lift Fitting Strength Test .1415 Ball Impact Test 1416 Load Test 1417 Full Scale Fire Test .1417.1 Performance criteria 1417.2 Furnace details 1417.3 Test method .1418 Hose Stream Test .14A19 Tank Support Load Test .1520 Vehicl

17、e Impact Test .1521 Projectile Test 1522 Leakage Test 1622.1 General .1622.2 Primary tank .1622.3 Secondary containment .1623 Environmental Exposure and Small Scale Fire Test .1623.1 Performance criteria 1623.2 Simulated environmental exposures 1724 Interstitial Communication Test .1725 Fire Test of

18、 Interstitial Space .1826 Hydrostatic Strength Test of Secondary Containment .18SEPTEMBER 29, 2010 UL 2085 2AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL27 Pressure Surge Test (Venting by Form of Construction) .19MANUFACTURING AND PRODUCTI

19、ON TESTS28 Leakage Test 1928.1 Caution .1928.2 General .1929 Insulation Thickness 1930 Density or Compressive Strength .2031 Records .20MARKINGS32 Marking Elements .2033 Marking Method and Location 2134 Installation Instructions 21APPENDIX AStandards for ComponentsA1APPENDIX B SUMMARY OF PERFORMANCE

20、 TESTS AND REQUIREMENTS FOR PROTECTEDTANKSDECEMBER 1, 1999UL 20852BUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULDECEMBER 1, 1999 UL 2085 3No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WIT

21、HOUT PERMISSION FROM ULSEPTEMBER 29, 2010UL 20854UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover shop fabricated, aboveground atmospheric Protected Tanks intended forstorage of stable flammable,

22、or combustible liquids that have a specific gravity not greater than 1.0 andthat are compatible with the material and construction of the tank.Revised 1.1 effective December 30, 19981.2 These requirements do not cover Fire Resistant Tanks which are intended for installation and use inaccordance with

23、 the Automotive and Marine Service Station Code, NFPA 30A. These tanks are coveredin ULs Outline of Investigation for Fire Resistant Tanks for Flammable and Combustible Liquids, Subject2080.Revised 1.2 effective December 30, 19981.3 These tank constructions are intended to limit the heat transferred

24、 to the primary tank when theconstruction is exposed to a 2-hour hydrocarbon pool fire and are provided with protection from physicaldamage. Tanks appropriately identified by product markings provide additional protection for the primarytank against projectile impact and vehicle impact.1.4 These tan

25、ks shall be provided with integral secondary containment intended to prevent any leakagefrom the primary tank from entering the environment.Added 1.4 effective December 30, 19981.5 Protected Tanks are intended for stationary installation and use in accordance with the Uniform FireCode, published by

26、the International Fire Code Institute; the Flammable and Combustible Liquids Code,NFPA 30; and the Automotive and Marine Service Station Code, NFPA 30A.1.6 Tanks covered by these requirements are fabricated, inspected, and tested for leakage beforeshipment from the factory as completely assembled un

27、its.1.7 These requirements and tests are not intended to determine a tanks acceptability for use after fireexposure, vehicle impact, or projectile impact.1.8 These requirements do not address methods of anchoring which may be required to prevent upliftfrom flooding or movement due to wind or seismic

28、 forces.1.9 These requirements do not address either the construction, or attachment means of ladders, stairs,runways, guardrails, platforms, or equipment supports.1.10 A product that contains features, characteristics, components, materials, or systems new or differentfrom those covered by the requ

29、irements in this Standard, and that involves a risk of fire, electric shock, orinjury to persons shall be evaluated using the appropriate additional component and end-productrequirements to determine that the level of safety as originally anticipated by the intent of this Standard ismaintained. A pr

30、oduct whose features, characteristics, components, materials, or systems conflict withspecific requirements or provisions of this Standard shall not be judged to comply with this Standard.Where appropriate, revision of requirements shall be proposed and adopted in conformance with themethods employe

31、d for development, revision, and implementation of this Standard.1.10 revised May 7, 1999MAY 7, 1999 UL 2085 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2 General2.1 Components2.1.1 Except as indicated in 2.1.2, a component of a product c

32、overed by this standard shall comply withthe requirements for that component. See Appendix A for a list of standards covering componentsgenerally used in the products covered by this standard.2.1.2 A component is not required to comply with a specific requirement that:a) Involves a feature or charac

33、teristic not required in the application of the component in theproduct covered by this standard, orb) Is superseded by a requirement in this standard.2.1.3 A component shall be used in accordance with its rating established for the intended conditions ofuse.2.1.4 Specific components are incomplete

34、in construction features or restricted in performancecapabilities. Such components are intended for use only under limited conditions, such as certaintemperatures not exceeding specified limits, and shall be used only under those specific conditions.2.1.5 Components of a Protected Tank shall be eval

35、uated for their intended use. A component designedto perform the functions of two or more individual components is acceptable when it has been determinedthat it complies with the applicable requirements in this standard.2.2 Units of measurement2.2.1 Values stated without parentheses are the requirem

36、ent. Values in parentheses are explanatory orapproximate information.2.3 Undated references2.3.1 Any undated reference to a code or standard appearing in the requirements of this standard shallbe interpreted as referring to the latest edition of that code or standard.SEPTEMBER 29, 2010UL 20856UL COP

37、YRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3 Glossary3.1 For the purpose of this standard the following definitions apply.3.2 ATMOSPHERIC TANK A storage tank that has been constructed to operate at pressuresbetween minus 1.0 psig (minus 6.8 kPa

38、) and 1.0 psig (6.8 kPa) measured at the top of the tank.3.3 INTERSTITIAL SPACE (Annulus) The space between the primary tank and the secondarycontainment wall that is capable of being monitored for leakage. The interstitial space may be void,contain thermal insulating material, or contain other mate

39、rials.3.4 PRIMARY TANK A single-wall atmospheric tank intended for stationary installation having aliquid capacity exceeding 60 gallons (230 l).SEPTEMBER 29, 2010 UL 2085 6AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSEPTEMBER 29, 2010UL 2

40、0856BNo Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3.5 PROTECTED TANK An aboveground atmospheric tank with secondary containment and aninsulation system intended to reduce the heat transferred to the primary tank when the

41、 tank is exposed toa hydrocarbon pool fire, and provided with protection from physical damage.3.6 SECONDARY CONTAINMENTAstructurethathasapermeability not more than 4 108inches/second (107cm/s) for the stored fluids, is external to and forms an interstitial space with theprimary tank, and contains th

42、e entire contents of the primary tank in the event of a rupture or leak.CONSTRUCTION4 General4.1 All materials used in the construction of a Protected Tank shall be compatible with the product stored.4.2 When dissimilar materials are used in the construction of a Protected Tank such that corrosionoc

43、curs, they shall be isolated from each other.4.3 Exposed surfaces subject to atmospheric degradation shall be treated by a coating or similar meansto protect the surface during storage and transit to the installation site.4.4 For initial type testing, physical properties of construction materials, s

44、uch as the tensile strength ofsteel or the compressive strength of concrete, shall be documented in accordance with standard testmethods.4.5 Requirements in this standard, when different from requirements found in referenced UL Standards,shall supersede those requirements.5 Primary Tank5.1 Primary s

45、teel tanks shall comply with the applicable requirements in the Standard for SteelAboveground Tanks for Flammable and Combustible Liquids, UL 142. Primary fiberglass reinforcedplastic tanks shall comply with the applicable requirements in the Standard for Glass-Fiber-ReinforcedPlastic Underground St

46、orage Tanks for Petroleum Products, Alcohols, and Alcohol-Gasoline Mixtures, UL1316, as indicated in Table 5.1.5.2 The method for providing structural support for a nonmetallic primary tank shall be evaluated.5.3 A primary tank shall have a capacity greater than 60 gallons (230 l).5.4 All openings s

47、hall be located along the top of the tank above the maximum normal liquid level.DECEMBER 30, 1997 UL 2085 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 5.1Summary of applicable requirements for fiberglass reinforced plastic (FRP) prim

48、ary andsecondary containment tanksRequirements applicable to FRP primary and secondary containment tanks from the Standard for Glass-Fiber-Reinforced Plastic Underground Storage Tanks for Petroleum Products, Alcohols, and Alcohol-Gasoline Mixtures, UL1316Section 2 ComponentsSection 3 Construction, G

49、eneralSection 4 Pipe Connections, 4.1 (fittings) onlySection 5 Manholes, 5.2 (manhole-cover joint) onlySection 7 Performance, GeneralSection 8 Leakage TestSection 11 Water-Load TestSection 12 External Pressure TestSection 13 Internal Pressure TestSection 14 Physical Properties of Materials TestsSection 15 Earth-Load TestSection 16 Annulus Proof-Pressure TestSection 17 Leakage Test (Production)Section 18 Internal Vacuum Test (Production)Section 19 Surface Cure Test (Production)6 Secondary Containment