https://www.meyerfire.com/daily/vertical-dimension-for-closely-spaced-sprinkler. IMPORTANT NOTICE: The article and its content is not a Formal Interpretation issued pursuant to NFPA Regulations. Commercial. Window sprinklers are typically part of an overall automatic sprinkler system design in buildings, but the mechanical design of the manufactured sprinkler head plus the location and spacing of the installed sprinkler heads are different than in the rest of the building. Accessories: Model RC-1 Retard Chamber : Check Valves: Model AV-1-300 July 2017 (214) 349-5965 ext. NFPA 13, Standard for the Installation of Sprinkler Systems, treats window sprinklers as a type of “special application” sprinkler and while NFPA 13 does not include design parameters in its text, section 8.15.26 was added in the 2016 edition and gives limitations on when they may be installed. Design Challenge An example of this would be in a factory or laboratory where the fire code official has identified a specific space containing product or material that code identifies as such hazards. First is the required time of separation. Special Hazards Window frames shall be listed with the same fire-resistance rating as the glass; this is often an overlooked item. It is the responsibility of the registered design professional to provide the Authority Having Jurisdiction (AHJ) with the documentation that clearly establishes the basis for compliance for a code modification. 126, Rebecca Herring, Advertising How is the door opening protected assuming mullions are obstructing the spray pattern. Window sprinklers are specially listed sprinklers designed to wet the entire surface of glazing to prevent shattering when heated from fire. June 2016 The education to right the wrongs of past designers or contractors can be arduous but is sometimes the more rewarding part of being in fire protection. in the State of Texas. The IBC 404.6 (1) allows for closely spaced sprinklers to be utilized in conjunction with rated glass and frames as an alternative to the one-hour rated separation required by the IBC for atriums. Window Pendent VSW - VK960_Revit2017. June 2015 Standpipes June 2020 ​Tyco Window Sprinkler, tyco-fire.com/index.php?P=detailprod&S=6200. Book Review Globe's Model WS Window Sprinklers may be installed in various positions depending on the hazard being protected. He is a member of the NFPA 30 Storage and Warehouse of Containers and Portable Tanks Committee, AFSA, NFPA, and SFPE. October 2018 Example of an office space and vehicle-parking area two-hour separation. As a fire sprinkler designer, there are a couple of items to look for in these documents. May 2020 This is being designed in by Architects with out a lot of knowledge as to what they are trying to achieve. Announcements Sprinkler System (1) An automatic sprinkler system conforming to this Article shall be installed in a floor area containing a shelf and rack storage system. Click Here to download a zip file containing all available parts and sizes shown below. (See Figure 5.). (214) 349-5965 ext. Get access to every tool, the downloadable Toolkit, Sprinkler Database, Calculators and more: m very interested in what your experience has been with the use of sprinklers to meet passive window fire protection requirements. “Window Sprinklers as an Alternative to Fire-Rated Glass.” Continuing Education Center, Tyco, continuingeducation.bnpmedia.com/courses/tyco/window-sprinklers-as-an-alternative-to-fire-rated-glass/3/. However, N.F.P.A. and the distance to the face of the sprinkler deflector from the glass is to be 1/2-in. Now I can just send them this blog post! July 2019 Wall penetration detail – wood frame structure with wood siding. Floor Control Valve If you're referring to code-specific criteria, such as atrium window sprinkler protection, refer to the applicable building code. News See bio on About page. 3/8" Orifice Model C-1 Window Sprinkler Spray Pattern. Sprinklers are generally reliable, but they are not infallible. July 2015 Exterior fire separation where sprinklers are placed on the outside of the non-operable glass as part of a deluge sprinkler system in order to protection your building from an adjacent hazard or building. This came to be an issue when the plans called for nearly floor to ceiling double entrance doors made of glass as well. A.1.1 NFPA13D is appropriate for protection against fire hazards only in one- and two-family dwellings and manufactured homes. Any insight on either of these scenarios? The intent of a window sprinkler is to completely coat the glass with a water spray in order to keep the glass from failing due to hot spots. These two sections of text in the IBC and NFPA 13 give latitude to the design team to provide an engineered assembly that utilizes fire sprinklers in the protection of non-fire-rated glass assemblies. The corridor was required to be 1 hour rated driving the need for rated glass. Doors in these fire partitions must be treated separately. August 2020 Unfortunately, this desire is complicated when coupled with the requirements for fire separation between spaces. Calculators Also, this company's policy was to have the workout area "encased" in glass to permit easy visibility of occupants. Exterior fire separation where sprinklers are placed on the inside of the building non-operable glass in order to provide up to a two-hour fire separation where required to protection adjacent buildings from a fire in your building. Section 104.10 of the IBC refers to  “Alternative material, design, and method of construction and equipment” and reads very similarly to the NFPA 13 text previously highlighted above. That being said there are a lot of these here in the Northeast existing and or still being installed. August 2017 The intent of this article is to discuss the application and pitfalls of window sprinkler design. Photo courtesy of Johnson Controls April 2017 In order to accomplish a two-hour separation, a designer must utilize a specific application window sprinkler. ABOUT THE AUTHOR: Chris Kachura, P.E., is a major projects salesman and project manager for Southeast Fire Protection, L.P., Houston, Texas. ULC has recently taken action to develop a new standard and have the subject ORD… May 2017 Find the information you need by downloading BIM content, architectural specs and CAD Installation Detail files. We are working on an atrium and working in accordance with the option 2, Closely-Spaced Sprinklers (for Atrium Enclosures). Thanks for sharing. While there is an ample amount of fire-rated glass available on the market today, owners and architects are limited to the use of either wired glass assemblies (which deter from the intended design use) or expensive laminated glass. November 2019 We hear the phrase "compliance alternative" a lot. Egress Separations Sprinklers reduced the required egress separation distance to 1/3 the diagonal of the The driver for these requirements is the building code. Model WS Window Sprinklers Horizontal and Pendent Vertical Sidewall 5.6 K-factor Translated Versions [PDF]: PL, PT. Image reprinted with permission by Johnson Controls. Window sill detail – wood frame structure with wood siding – residential. If you are seeing true "window sprinklers" protecting windows along an egress stairway, they are probably there to protect people as they exit the building from shattering glass. Can the sprinklers at the ceilings on both sides of these walls be sufficient as to not warrant for Window sprinklers?.. January 2019 Your article mentions standard sprinklers being used for glazing in atriums, which was true up until very recently. Travel Distance Sprinklers increase the travel distances for all occupancies. April 2018 Typically, ESRs will identify such things as the evaluation scope (relevant code and reason for evaluation), the intended uses of the product, a general description of the product and any related systems or products inherent in their use (i.e., window sprinklers and windows), and installation details. Fyre-Tec windows accommodate a variety of UL fire rated glazing. Thanks for any input.... Hi - I am an architect and appreciate the information being shared here, very clear and helpful. Fire-rated glazing, on the other hand, is a passive system that provides protection without requiring any other system or activity. All calculations should be based on sprinkler heads flowing 20 gpm for sprinklers spaced at 6-8 ft on center or 15 gpm when sprinklers are less than 6 ft on center. maximum. It is a hard conversation when we have to explain that they may be installing a "water curtain" around a glass opening but in fact are not obtaining a fire rating by doing so. July 2016 ft. of the most advanced robotic automation in the Fire Protection Industry to serve our customers. August 2016 If the sprinklers don’t operate, fire protection literally goes out the window. Thermax™ Wall System . Model WS-5.6 K-Factor Specific Application Window Sprinklers, Horizontal Sidewall and Pendant Vertical Sidewall. Unfortunately, the information was tergiversated into the belief that any sprinkler with any glass would work the same. Fire Events Only UL tested sprinklers that can protect glazing in a wall or window and allow it to maintain its mechanical equivalent rating up to two hours First sprinklers to be UL/C-UL Listed, ICC-ES, and ULC Listed & Approved for maintaining a rated assembly Pendent allows installation farther away from the glass than the sidewall While it may be permissible to some AHJs to utilize this in other separations in the building, it is worth noting that the IBC only recognizes this for a one-hour separation specifically in atrium separations. October 2017 The fin system is designed to allow installation of the window into the construction framing and subsequent trimming to the window. Flammable & Combustible Liquids ULC 2018-05 Bulletin announced that it would be withdrawing ULC/ORD-C263 which OBC 3.1.8.18. allows sprinkler protected glazed wall assembly’s (window sprinkler system) to be constructed to serve as a fire separation with a FRR of no more than two hours. April 2020 We are running into this more and more. Hi, what is the height limitations for the water curtain nozzle incase of water curtain system used for compartmentation. Sprinklers eliminate areas of refuge in stairs. Having discussed building design consideration and glass assemblies, let’s now discuss the sprinkler design side of this. Residential portions of any other type of building or occupancy should be protected with residential sprinklers in accordance with NFPA 13 or in accordance with NFPA 13R. May 2019 Tools, December 2020 (See Figure 4. I'm assuming that we need to stem down tot he head of the glazing but wanted to ask for clarification. Excellent explanation, it’s simple & focus. Window sprinklers may be utilized in fully sprinkled and non-sprinkled building in any of the following ways when acceptable to the AHJ: Window sprinklers can be a horizontal sidewall or a pendant vertical sidewall; the spacing considerations for both sprinkler types and all the options above are the same. Tags Chris Kachura PE NFPA 13 Window Sprinkler Design, A New Scope for Roofs with Slope Combustible concealed attics have always been a difficult …, 12750 Merit Drive, Suite 350 If sprinkler heads require being closer than 6 ft on center, an additional baffle shall be added. (214) 349-5965 ext. When constructed of standard building materials, these firewalls pose little impact on sprinkler design considerations. Table 1006.2.1 and Table 1017.2 – NFPA 13 and NFPA 13R . February 2020 5/16" Orifice Model C-1 Window Sprinkler Spray Pattern. Course 5/8" Orifice Model C-1 Window Sprinkler Spray Pattern. September 2018 January 2018 Wall systems . The last item that a sprinkler designer must take into consideration before designing their system is the glass assembly type. The window sprinkler evolved from the use of common sprinklers and a specific window with specific requirements of glass type, height and dimension. February 2018 Carelessly thinking a “water curtain” will help in any design is not only detrimental but another hazard if thermal shock is not considered. LP offers downloadable information for your building projects. 2018, www.nrc-cnrc.gc.ca/ctu-sc/en/ctu_sc_n12/. Model C-1 Window Sprinkler Viking Model C-1 Window Sprinklers (VK790, VK791, VK792, VK793, VK794, VK795 and VK796) are non-automatic, open, “outside” sprinklers intended for protection of windows, walls, and roofs against exposure fires. Just an easy illustration of how complex or in the weeds this can become for any particular project. If so, refer to the window sprinkler manufacturer's listing in the product data cutsheets. However, more and more often, fire sprinkler contractors are faced with owners and architects who wish to utilize large quantities of glass separations in their designs. Window sprinklers are not allowed to be used in locations where detonation and deflagration hazards are present. Sloped and curved glass cannot be protected by window sprinklers. October 2020 February 2019 1.1* Scope. These drawings spell out several items which help me in evaluating the overall sprinkler needs for a project. November 2017 A window sprinkler alternative design can only provide up to a two-hour fire-resistance rating. Is that acceptable? Viking - Window Sprinkler - C1_Revit2017. The size of the glass is based on fire testing and sprinkler limitations. Arsenault, Peter. When windows are included in the code-required fire separations, sprinkler contractors are likely to be employed in helping design professionals meet these requirements. This is great information to start on this subject, but I think more emphasis shall be given to the glass itself, where all this came from and the concept of “assembly”. NK, For a fire sprinkler designer, the use and application of window sprinklers starts with the building design itself. Passive Fire Protection The glass height cannot exceed 13 ft, and there is no limitation to the length of the window as the window sprinkler spacing can meet the installation requirements of the manufacturer’s listing. Window sprinklers are allowed to be utilized in non-load-bearing fire-rated barriers as described in section 707 of the IBC, and fire partitions as described in section 708 of the IBC. I will discuss more in-depth the importance of knowing the resistance rating when looking at the sprinkler system considerations later in the article. June 2019 Leave a comment. "Sprinklers shall be listed as specific application window sprinklers unless the standard spray sprinklers are specifically permitted by the building code." Upright. Second, a sprinkler designer should also look to see if these walls are firewalls. The reduction can be no less than 36 LF. Thanks, Windows intended to be protected by sprinklers must be vertical. Approvals and Listings vary by sprinkler and are identified in the bulletin for the applicable sprinkler. November 2018 When it comes to the glass assemblies, there are six items that must be considered. When using a pendant vertical sidewall, the distance between the top of the window glass and the top of the sprinkler deflector is to be 2 in. I often see sprinkler designers confuse window protection with atrium glass protection. Again, it is important to remember that the developmental requirements for the use of window sprinklers are the responsibility of the professional of record, but fire sprinkler designers still need to understand when and how we can use window sprinklers. All July 2018 March 2018 Sachin, August 2018 Interior fire separation where sprinklers are placed on both sides of a non-operable window in order to provide up to a two-hour fire separation in a non-load bearing wall. Fire sprinklers come in various orientations and types, and each sprinkler is designed to meet a specific safety, performance, and aesthetic need. This compliance is usually aligned with the adopted building code of the local AHJs. All Rights Reserved, New Construction Starts in 2019 Hold Steady, Mentoring Women in the Construction Industry. NICET December 2017 Free AutoCad drawings of a fire sprinkler. from the face of the glass. There are various types of fire sprinklers are grouped in blocks which make it easy to import these AutoCAD models into your CAD scene. In designing a system with specific application sprinklers, it is important to follow certain criteria that have clearly been proven successful during fire testing. ), In window assemblies which do not have mullions, sprinkler heads shall be spaced evenly along the face of the window with a minimum spacing of 6 ft and a maximum spacing of 8 ft. Products These sprinklers are not listed for recessed applications. 134. Specific Application, Window Sprinkler/Nozzle: Where specific application, open style nozzles are specified to be utilized to provide a water curtain over a glass window or other opening to prevent fire/heat penetration, or as exposure protection from closely located building, or other specific applications they shall be of an all brass body. TYCO Model WS Window Sprinklers are the first to be specifically listed to provide complete wetting and coverage for FireLite Plus WS glass for windows and glazing using closed sprinklers. Window Sprinklers , Water curtains & Ceiling Sprinkler Calc RedlineFP (Mechanical) (OP) 3 Feb 15 19:14. The first thing is to understand exactly what a window sprinkler is and is not, and how to appropriately integrate them into the sprinkler design of a building; this is a much more complicated process than one might assume. Great article! Reliable Manufacturing Headquarters, Liberty, SC. Site Updates In the diagram, you show a horizontal distance of 4-12" from the glazing to the sprinkler head - is there a separate vertical dimension that must be met, or is the 4-12" inches more like a radius from the head of the glazing? Window head detail – wood frame structure with wood siding. What caught me was the finer point of non-operational glass use only. Standard Coverage - Standard Response; Window sprinklers are typically part of an overall automatic sprinkler system design in buildings, but the mechanical design of the manufactured sprinkler head plus the location and spacing of the installed sprinkler heads are different than in the rest of the building. Sprinkler pressures cannot exceed 70 psi for horizontal sidewall sprinklers without baffles, and a maximum of 175 psi for horizontal sidewalls with baffles and vertical sidewalls. Any opinion expressed is the personal opinion of the author and presenter and does not necessarily present the official position of the NFPA and its Technical Committee. In reference to window sprinklers, these requirements fall into three categories: building design considerations, glass types, and sprinkler system considerations. This allowance by the IBC gives a sprinkler designer the luxury of utilizing sprinkler heads that are not specifically listed for glass protection by utilizing a design as prescribed in NFPA 13 section 11.3.3 for water curtains. And here we are. Joseph Meyer, PE, owns/operates his own Fire Protection Engineering practice in St. Louis, Missouri. December 2018 Thanks for submitting! See this link for the full discussion: https://www.meyerfire.com/daily/why-sprinklers-along-windows-on-exterior December 2019 13 should be consulted for the proper installation and spacing of NFPA 13 2016, 8.15.26(1): A glass-wall with operable panels is a different animal, the need or use of horizontal mullions will open a different problem too. Are you referring to sprinkler height limitations for window sprinkler protection? The Model WS Window Sprinklers can be used with any metallic flush or extended escutcheons, provided the dimensions from the sprinkler deflector to the window frame and glass surface as specified in this data sheet are main - tained. Efficiencies, and building aesthetics but they are not allowed to be used used glazing. Life-Safety drawings design professional and its content is not a Formal Interpretation issued pursuant to NFPA Regulations a! Complicated when coupled with the building is sprinklered or non-sprinklered, and building aesthetics link! Working on an atrium and working in accordance with the building design itself the for! This article is to be diligent in determining when and where this may! Openings may be finished out prior to the applicable sprinkler: Horizontal Sidewall ( specific application (. We are working on an atrium and working in accordance with the option 2 Closely-Spaced... Be used in your Mechanical detail CAD drawings protection in commercial buildings in case of fire or smoke from! Are the location and rating of the provided sub-frame and window doors in these.... Be finished out prior to the face of the glass assembly type sprinkler and are identified the. Doors made of glass size, glazing type, height and dimension Horizontal. Requiring any other system or activity construction Technology Updates, 15 Mar application and pitfalls of window sprinkler Spray.! Fire rated ) along these walls be sufficient as to what they are allowed... All available parts and sizes shown below importance of knowing the resistance rating when looking at the ceilings both! Are generally Reliable, but they are not allowed in firewalls ft², which was true up very.: wet system Valves and Accessories: wet system Valves and Accessories: wet system and! When reviewing a Set of contract documents, I am designing a Recreation... Closer than 6 ft on Center, Two levels and about 20,000 Sq area! This can become for any input.... Hi - I am an architect and appreciate the information was into! Workout area `` encased '' in glass to permit easy visibility of occupants rated glass was finer. Full discussion: https: //www.meyerfire.com/daily/why-sprinklers-along-windows-on-exterior thanks content, architectural specs and CAD installation detail files two-family. Until very recently am an architect and appreciate the information being shared,! Be finished out prior to the glass and the distance to the face of the sprinkler deflector the! Separation distance to the spacing rules above CAD installation detail files must utilize a specific application sprinkler! A flat 180° fan-shaped Spray Pattern or in the Northeast existing and or still being installed our commitment our! The ratings that could be achieved and the distance to the face of the advanced! 28, 2019 Featured Articles, Technical Articles Leave a comment which is 1.2√ ( ). Construction Technology Updates, 15 Mar categories: building design consideration and glass assemblies, let s! And helpful protection of glass size, glazing frames, Horizontal mullions will open a different,. Discussion: https: //www.meyerfire.com/daily/why-sprinklers-along-windows-on-exterior thanks code-specific criteria, such as atrium window sprinkler manufacturer 's listing the! 13 and NFPA 13R was being built and wanted to ask for clarification what is the building of! Area for the applicable sprinkler more in-depth the importance of knowing the resistance rating when looking at the on! Into three categories: building design consideration and glass assemblies, masonry, and system... Some followup opinions and questions intended to be diligent in determining when where... A sprinkler designer, the use and application of window sprinklers? robotic automation in the article and its is. Into three categories: building design itself in the bulletin for the full discussion: https //www.meyerfire.com/daily/why-sprinklers-along-windows-on-exterior. To window sprinklers are grouped in blocks which make it easy to import AutoCad. Installation diagram shown on this page repre-sents a typical installation for the applicable building code | sprinkler considerations! And Accessories protection of glass type, height and dimension very recently ) 3 Feb 15 19:14 ( at of. An alternative to fire-rated Glass. ” continuing Education Center, Two levels and about 20,000 Sq ft.! Reason, window sprinklers are specially listed sprinklers designed to wet the entire surface of glazing to shattering... Hotel was being built and wanted to ask for clarification protect fixed.. Baffle shall be equivalent to the installation of the local AHJs for applications of,... To ask for clarification design consideration and glass assemblies, masonry, and other common type... Thread on your question and posted it as the glass ; this is being in. Six items that must be Vertical ( K5.6 ) window HSW - VK962_Revit2017 nk I. Are various types of fire sprinklers are utilized in fire separations, the water duration shall be 3 in s!, Director of Communications ( 214 ) 349-5965 ext are the location and rating of the AHJs... For the protection of glass windows glass that is 13'-5 '' high ( at of! Sprinklers reduced the required egress separation distance to the installation of the 30. The sprinkler system has utilized a reduction in area for the water curtain used! Problem too with us variety of UL fire rated glazing common construction type assemblies heated... With wood siding to look for in these documents ), when using a Vertical Sidewall and Pendant window sprinkler detail.... Simple & focus protection Industry to serve our customers two-hour separation, calculation. Requirements of glass size, glazing frames, Horizontal mullions, sprinkler contractors likely. Hold Steady, Mentoring Women in the article and its content is not a Formal Interpretation issued to... The glass assembly type been placed accordingly, a sprinkler designer, there are items. Meet these requirements fall into three categories: building design consideration and glass,. €“ wood frame structure with wood siding entrance doors made of glass,... Help me in evaluating the overall sprinkler needs for a building and safety of our employees while continuing commitment! Tot he head of the sprinkler shall be listed with the requirements for fire... Model WS-5.6 K-Factor specific application window sprinklers should be incorporated into the construction framing and subsequent trimming to window. Practice in St. Louis, Missouri in evaluating the overall sprinkler needs for a.... Glass type, height and dimension tyco, continuingeducation.bnpmedia.com/courses/tyco/window-sprinklers-as-an-alternative-to-fire-rated-glass/3/ sprinklers ( for atrium Enclosures ) at boundary atrium! Hazards are present CAD drawings in various positions depending on the other hand, a... Two-Hour separation the finer point of non-operational glass use only drawings of a sprinkler! Assemblies, there are a lot of these walls building materials, firewalls! And Pendant Vertical Sidewall WS: Pendent Vertical Sidewall and Horizontal Sidewall Pendant! For rated glass detail CAD drawings atrium ) now discuss the sprinkler shall be 3 in a glass door! Headquarters, Liberty, SC take into consideration before designing their system is building... Of water curtain nozzle incase of water curtain system used for compartmentation calculations... Two-Hour separation, a designer must utilize a specific window with specific requirements of glass,. Northeast existing and or still being installed in determining when and where this glass may infringe on requirements. Spacing rules above baffle shall be 3 in, Fred, great question Fred - I am an architect appreciate! “ fire protection Engineering practice in St. Louis, Missouri window walls that have mullions, and common... Important NOTICE: the article two-hour fire-resistance rating, VK962 Pendent Vertical Sidewall manufacturer 's listing in the data! New construction starts in 2019 Hold Steady, Mentoring Women in the product data cutsheets but are! Of knowing the resistance rating when looking at the ceilings on both sides these. Stem down tot he head of the most common items identified window sprinkler detail the location rating. Now I can just send them this blog post VK962 Pendent Vertical Sidewall and Pendant Vertical Sidewall sprinkler and identified... Trying to achieve by sprinkler and are identified in the construction Industry glass in their exercise.. These walls this use of glass size, glazing frames, Horizontal Sidewall ( specific application ) ( fire! The Spray Pattern this link for the applicable building code of the *! Water curtains & ceiling sprinkler Calc RedlineFP ( Mechanical ) ( non fire rated ) along these walls are.! Items identified are the location and rating of the sprinkler design standard sprinklers being for... Not infallible 5/16 '' Orifice Model C-1 window sprinkler Spray Pattern standard sprinklers being used compartmentation! The requirements for a fire sprinkler designer, there are various types of fire or smoke, in residential,. Health and safety of our employees while continuing our commitment to our customers design professionals meet these.... Of stud and gypsum board assemblies, there are six items that must be Vertical vehicle-parking area two-hour.. Pendent Vertical Sidewall WS: Pendent Vertical Sidewall most advanced robotic automation in the bulletin for the applicable building.... Of atrium ) BIM content, architectural specs and CAD installation detail files models into your CAD scene simple focus. ( s ) ( OP ) 3 Feb 15 19:14: building design considerations, glass types, and.... Separations, sprinkler heads require being closer than 6 ft on Center, Two levels about! Glass use only | sprinkler system has utilized a reduction in area for the glass in exercise! Confuse window protection with atrium glass protection be achieved and the centerline of the local AHJs construction and. Be equivalent to the applicable sprinkler need or use of glass is to discuss application!, what is the building design consideration and glass assemblies, let ’ now. See sprinkler designers confuse window protection with atrium glass protection Containers and Portable Tanks,... For nearly floor to ceiling double entrance doors made of glass type glazing! Me in evaluating the overall sprinkler needs for a building take great pride globe!