1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 203A Sway Brace Devices for Sprinkler System PipingUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHO
2、RIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Sway Brace Devices for Sprinkler System Piping, UL 203A First Edition, Dated December 18, 2015 Summary of Topics This First edition of ANSI/UL 203A was issued to conrm rst-time ANSI approval of the s
3、tandard. The new requirements are substantially in accordance with Proposal(s) on this subject dated April 10, 2015 and September 25, 2015. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanica
4、l photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any s
5、pecial, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage.
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7、m, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. DECEMBER 18, 2015 UL 203A tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITH
8、OUT PERMISSION FROM UL DECEMBER 18, 2015 UL 203A tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 18, 2015 1 UL 203A Standard for Sway Brace Devices for Sprinkler System Piping Prior to the rst edition, the re
9、quirements for the products covered by this standard were included in the Outline of Investigation for Sway Brace Devices for Sprinkler System Piping, UL 203A. First Edition December 18, 2015 This ANSI/UL Standard for Safety consists of the First Edition. The most recent designation of ANSI/UL 203A
10、as an American National Standard (ANSI) occurred on December 18, 2015. ANSI approval for a standard does not include the Cover Page, Transmittal Pages and Title Page. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via
11、 a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding
12、those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2015 UNDERWRITERS LABORATORIES INC. ANSI/UL 203A-2015UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 18, 2015 SWAY BRACE DEVICES FOR SPRINKLER SYSTEM PIPI
13、NG - UL 203A 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .4 2 Components 4 3 Units of Measurement .4 4 Undated References 4 5 Glossary .5 CONSTRUCTION 6 General 7 7 Materials .8 8 Prote
14、ctive Coatings .9 PERFORMANCE 9 Load Test 9 10 Zinc Coating Thickness Test for Cable 17 11 Metallic Coating Thickness Tests .17 12 Restraint Device Load Test 19 13 Assembly Test of Sway Brace Fitting 19 14 Torque Test of Shear Bolts 20 MARKINGS 15 General 20 INSTALLATION INSTRUCTIONS 16 General 21 A
15、ppendix A A1 Examples of Sway Brace Devices A1 DECEMBER 18, 2015 SWAY BRACE DEVICES FOR SPRINKLER SYSTEM PIPING - UL 203A 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover sway brace devices i
16、ntended to protect re protection system piping in locations subject to earthquakes. These devices are intended for installation in accordance with the Standard for the Installation of Sprinkler Systems, NFPA 13. 1.2 These requirements cover restraint devices intended to restrict movement of re prote
17、ction piping. 2 Components 2.1 Except as indicated in 2.2, a component of a product covered by this Standard shall comply with the requirements for that component. 2.2 A component is not required to comply with a specic requirement that: a) Involves a feature or characteristic not required in the ap
18、plication of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.4 Specic components are incomplete in construction features or rest
19、ricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. 3 Units of Measurement 3.1 Values stated without parentheses are the requirement. V
20、alues in parentheses are explanatory or approximate information. 4 Undated References 4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. DECEMBER 18, 2015 SWAY BRACE DEVICES
21、FOR SPRINKLER SYSTEM PIPING - UL 203A 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 5 Glossary 5.1 For the purposes of this Standard, the following denitions apply. 5.2 BRACE MEMBER Structural component of a sway brace. 5.3 BRACE MEMBER N
22、ON-RIGID Standard Specication for Stranded Carbon Steel Wire Ropes for General Purposes, ASTM A1023/A1023M, Table 9, Galvanized Steel Cable, as referenced by Standard Guidelines for the Structural Applications of Steel Cables for Buildings, ASCE-19. 5.4 FASTENER ADAPTER Device to facilitate the use
23、of additional fasteners for mounting a sway brace (See Figure A.4). 5.5 LOAD RATING, NONRIGID ASSEMBLY The published load rating is less than or equal to the manufacturers specied minimum breaking strength of the cable divided by 1.5. 5.6 LOAD RATING, RIGID SWAY BRACE FITTINGS The published maximum
24、force to be applied to a component of a rigid sway brace. 5.7 NPS (NOMINAL PIPE SIZE) A dimensionless designator for pipe sizes dened in standards including: a) Standard Specication for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless, ASTM A53/A53M; b) Standard Specication for El
25、ectric-Resistance-Welded Steel Pipe, ASTM A135/A135M; and c) Standard Specication for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use, ASTM A795/A795M used to replace terms such as “Nominal Diameter” and “Nominal Size.” 5.8 PERMANENT DEFORMATION T
26、he distortion of a system pipe or brace member in excess of the requirements in Table 13.1. 5.9 RESTRAINT DEVICE A mechanism that is a part of a hanger assembly or a separate device and is intended to limit interaction of the pipe with other portions of the structure and to limit stresses in the pip
27、es to permissible limits. 5.10 RIGID SWAY BRACE An assembly intended to attach the system piping to the building structure to resist earthquake loads in two directions commonly consisting of: a) A sway brace tting; b) A brace member; and c) A structure attachment tting. Examples of sway brace device
28、s are shown in Appendix A. DECEMBER 18, 2015 SWAY BRACE DEVICES FOR SPRINKLER SYSTEM PIPING - UL 203A 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 5.11 STRUCTURE ADAPTER A device to facilitate the attachment of a sway brace to a specic b
29、uilding structural member. 5.12 STRUCTURE ATTACHMENT FITTING A device used to attach a sway brace directly to the building structure. 5.13 SWAY BRACE FITTING A device used to attach the brace member of the sway brace to the system piping. 5.14 SWAY BRACE FITTING ADAPTER A device to transition the at
30、tachment of the sway brace tting to the sway brace member. 5.15 SWAY BRACE, LATERAL A sway brace intended to resist differential movement perpendicular to the axis of the system piping. See Figure 5.1 as an example. This is generated text for gtxt. 5.16 SWAY BRACE, LONGITUDINAL A sway brace intended
31、 to resist differential movement parallel to the axis of the system piping. See Figure 5.2 as an example. This is generated text for gtxt. Figure 5.1 Lateral sway brace (End view) DECEMBER 18, 2015 SWAY BRACE DEVICES FOR SPRINKLER SYSTEM PIPING - UL 203A 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR F
32、URTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 5.17 SWAY BRACE, NON-RIGID A sway brace intended for resisting loads in tension only. See Figure A.3 as an example 5.18 SWAY BRACE, RIGID A sway brace intended for resisting both tension and compression loads. CONSTRUCTION 6 General 6.1
33、A sway brace assembly shall be constructed for connection to the system piping and be able to withstand the appropriate test load specied in the Load Test, Section 9, for the corresponding pipe size. 6.2 A sway brace tting shall be designed to directly attach to the system piping. 6.3 A brace member
34、 of a rigid sway brace shall be such that the maximum slenderness ratio l/r, where l is the length of the brace and r is the least radius of gyration, does not exceed that specied in the Standard for the Installation of Sprinkler Systems, NFPA 13. 6.4 The manufacturer of rigid type sway brace compon
35、ents and devices, ttings or structure attachment ttings are not required to supply the brace member. If the brace member is not provided, the manufacturers installation instructions shall indicate the appropriate sway brace member conguration, material and size. Figure 5.2 Longitudinal sway brace (S
36、ide view) DECEMBER 18, 2015 SWAY BRACE DEVICES FOR SPRINKLER SYSTEM PIPING - UL 203A 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 6.5 A structure attachment tting or fastener adapter shall be constructed to use fasteners to secure the tt
37、ing to the building structure. When fasteners are provided with a structure attachment tting, they shall be capable of withstanding the required test loads specied in Load Test, Section 9. 6.6 A structure attachment tting or fastener adapter shall be constructed with the number of fastener holes and
38、 hole diameter sizes to accommodate the loads specied in the Standard for the Installation of Sprinkler Systems, NFPA 13. 6.7 A structure attachment tting or fastener adapter shall be constructed with the hole diameter(s) not exceeding 1/16 in. larger than the intended fastener diameter. 6.8 A later
39、al sway brace component shall not be used as a part of longitudinal sway brace assemblies unless investigated for such use. Likewise, a longitudinal sway brace component shall not be used as part of lateral sway brace assemblies unless investigated for such use. 6.9 A Non-Rigid Sway Brace (Tension O
40、nly) using cable as the brace member shall consist of an assembly of cable and necessary hardware to secure the cable to structure attachment tting or system pipe. 6.10 Galvanized carbon steel cable used in Non-Rigid Sway Braces (Tension Only) shall comply with the requirements of the Standard Speci
41、cation for Stranded Carbon Steel Wire Ropes for General Purposes, ASTM A1023/A1023M, Table 9 for 7x7 and 7x19 small diameter specialty cord or equivalent. Stainless steel cable may also be used provided that it meets the requirements of the Standard Specication for Stainless Steel Wire Strand, ASTM
42、A368 or the Standard Specication for Stainless Steel Rope Wire, ASTM A492 (as specied in Standard for the Installation of Sprinkler Systems, NFPA 13 and Standard Guidelines for the Structural Applications of Steel Cables for Buildings, ASCE 19). 6.11 A restraint device shall be constructed for sprin
43、kler branch line piping of 2 NPS and smaller. 7 Materials 7.1 Components of sway brace assemblies shall be made of ferrous materials. Exception: Nonferrous materials, such as plastics and zinc alloys, shall be permitted to be used when they have been investigated to verify resistance to external re
44、exposure, and loss of strength with aging and environmental exposure. DECEMBER 18, 2015 SWAY BRACE DEVICES FOR SPRINKLER SYSTEM PIPING - UL 203A 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 8 Protective Coatings 8.1 A sway brace tting or
45、 structural attachment tting or part of a tting made of at iron or steel, the thickness of the metal shall be at least #7 gauge (nominal 0.1793 inch), unless protected by coating as described in 8.2. 8.2 When protective coatings are used in accordance with 8.1, the following coatings meet the intent
46、 of this requirement: a) A zinc coating having a minimum thickness of 0.0005 inch (0.0127 mm) on all outside surfaces and 0.0003 inch (0.0076 mm) on all inside surfaces. The thickness of the coating is to be established by the Metallic Coating Thickness Test, Section 11. b) A hot-dipped mill galvani
47、zed sheet steel conforming with the coating designation G90 in Table I of the Standard Specication for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process, ASTM A653/A653M, with not less than 40 percent of the zinc on any side, based on the minimum s
48、ingle spot test requirement in this ASTM Designation. The weight of the zinc coating is to be determined by any equivalent method; however, in case of question, the weight of the coating shall be established in accordance with the test method of the Standard Test Method for Weight (Mass) of Coating
49、or Iron or Steel Articles with Zinc or Zinc-Alloy Coatings, ASTM A90/A90M. The edges of a stamping complying with this requirement are not required to be plated. c) Any other metallic or nonmetallic nish or combination of the two which, when subjected to comparative tests, indicates it provides corrosion protection equivalent to the coating by either (a) or (b) above. 8.3 Cable used as part of a non-rigid type sway brace assembly shall be constructed from c
