In contrast, vertical models feature an arrow and the word flow.. wide column 18 in. This is in acknowledgement that the discharge pattern for extended coverage sprinklers is initially thrown above the plane of the deflector. The big change was made to Figure 8.9.5.1.3 (See Figure 1) that added the sentence: Minimum 4 in. Sprinklers shall be located a minimum of 4 in. Starting with the 1991 edition, section 4-4.2.4 stated: Sidewall sprinklers shall be installed where no beams or similar obstructions are located closer than 4 ft (1.2 m) from the sprinkler. This blog was originally posted at blog.qrfs.com. But tests have shown that some parts of buildingsparticularly, those where a wall and ceiling meetmanage to lock cooler pockets of air in place. The bottoms of baffles shall extend downward to a level at least even with the deflectors. The bottoms of baffles shall extend downward to a level at least even with the deflectors. The second one is that as long as the bottom of the obstruction is at least 4 in. Style Vertical Sidewall Sprinklers Temperature Standard Response with 5mm Response glass bulb, Quick Response with 3mm glass bulb Coverage Standard Coverage K-Factor 5.6 US (80 metric) Nominal Thread Size " BSPT or NPT Max. As such, sidewalls and other heads need clearance from dead air. (50 mm and 75 mm) above the deflectors. of coverage making it an ideal choice for standard coverage applications while being aesthetically pleasing. Dallas, TX 75251, D'Arcy Montalvo, Editor See full size image. tyco series ds-1 dry-type sprinklers, 5.6k horizontal sidewall, standard (5 mm bulb) and quick response (3 mm bulb) and extended coverage, are decorative glass bulb automatic sprinklers typically used where the sprinklers and/or a portion of the connecting piping may be exposed to freezing temperatures; for example, horizontal piping extensions The hydraulic calculation design criteria shall include all ceiling-level sprinklers within a minimum 2,500 sf area of . K5.6 standard response horizontal sidewall sprinkler K5.6 standard coverage standard response HSW sprinkler is usually used in light and ordinary hazard occupancies. Not interested in the finer points of sidewall sprinkler heads? The distance between light fixtures or similar obstructions located more than 8 ft (2.3 m) from the sprinkler shall be in conformity with Table 4-9.5.1.2 and Figure 4-9.5.1.2.. Sidewall sprinklers are used in existing buildings, historical buildings, hallways, kitchens, and more. This change emphasized that for extended coverage sprinklers obstructions could not be closer than 8 ft. (2.6 m), 4 in. Where soffits exceed more than 8 in. Browse our selection of sidewall sprinklers. (750 mm) to less than 3 ft (900 mm), 3 ft (900 mm) to less than 3 ft 6 in. The technical committee rejected a public input requiring a 4-in. 10.3.4.4 Minimum Distance Between Sprinklers, Sprinklers shall be spaced not less than 6 ft (1.8 m) on center unless required by, 10.3.5 Deflector Position From Ceilings and Walls (Standard Sidewall Spray Sprinklers), 10.3.5.1 Distance Below Ceilings and From Walls, Where soffits used for the installation of, Where soffits are used for the installation of. This is in acknowledgment that having a 4-in. The first is whether or not it applies to standard spray sidewall sprinklers (since there was no change made to Figure 8.7.5.1.3). However, most sprinkler manufacturers also offer vertical sidewall sprinklers. Reliable extended coverage sprinklers are approved to protect light, ordinary, and extra hazard occupancies, and are available in a wide variety of finishes, temperatures, and styles. (2.3 m) to less than 8 ft (2.4 m), 8 ft (2.4 m) to less than 8 ft 6 in. This sentence created two changes. is the vice president of engineering and technical services for AFSA. Sprinklers shall be permitted to be placed without regard to the blades of ceiling fans less than 60 in. clearance as added to extended coverage and residential. Baffles shall be of solid and rigid material that will stay in place before and during sprinkler operation. (400 mm) when a. Featured Articles, Technical Articles Pendent sprinklers (the most common type) point downward and to the sides from a ceiling or beam. So when this issue popped up again for the 2016 edition, there was a different outcome. (150 mm) to less than 1 ft (300 mm), 1 ft (300 mm) to less than 1 ft 6 in. Reliable extended coverage sprinklers are designed to protect larger areas than specified by installation rules for standard spray sprinklers. They apparently assumed this would be understood so made no change to Section 8.7. above the deflector to the thought process. (50 mm and 75 mm) above the deflectors. (2.0 m), 6 ft 6 in. (450 mm), 1 ft 6 in. Where sprinklers are installed along the length of a single wall of rooms or bays, they shall be spaced in accordance with the maximum spacing provisions of Table 11.3.3.2.1. tyco concealed horizontal sidewall sprinkler ty4332 (series ty-frb) 8.0k, extended coverage, quick and standard response (light hazard) is decorative 3 mm glass bulb type spray sprinklers designed for use in hydraulically calculated sprinkler systems in light hazard, commercial occupancies such as churches, restaurant seating areas, hotels, Running pipe for pendent sprinklers in the outside wooden deck is impractical. Sidewall Quick Response fire sprinklers are utilized instead of a pendent fire sprinkler when decorative ceilings are installed as to not disrupt the design of the space. As a leader in the fire protection industry since 1920, Reliable has built a reputation for manufacturing the highest quality fire sprinklers and has assembled the industry's most trusted distribution network and team of fire protection industry experts. to not allowed (for less than 4 ft). Baffles shall be of solid and rigid material that will stay in place before and during sprinkler operation. Neither upright nor pendent sprinklers make much sense here, for several reasons: Sidewall sprinklers do have certain limits (as well see in the next section). 11.3.3 Protection Areas Per Sprinkler (Extended Coverage Sidewall Spray Sprinklers), 11.3.3.1 * Determination of Protection Area of Coverage, The protection area of coverage per sprinkler (. The Series TY-B, 5.6 K-factor, Horizontal and Vertical Sidewall Sprinklers are standard response - standard coverage, decorative 5 mm glass bulb type spray sprinklers designed for use in light and ordinary hazard, commercial occupancies such as banks, hotels, shopping malls, etc. (200 mm) in width or projection from the wall, 11.3.6 Obstructions to Sprinkler Discharge (Extended Coverage Sidewall Spray Sprinklers), Sprinklers shall be located so as to minimize, The distance between light fixtures or similar, 11.3.6.2 Obstructions to Sprinkler Discharge Pattern Development, Regardless of the rules of this section, solid, The maximum clear distance shall not be applied to. Sprinklers shall be located a minimum of 4 in. Quick Response F1FR80 Series Sprinklers View Product Bulletin 063 ABOUT THE AUTHOR: Roland Huggins, P.E. They are designed for installation along a wall or the side of a . To tell a sidewall sprinkler head from another type, look at the deflector. (1.7 m), 5 ft 6 in. Horizontal sidewall sprinklers, on the other hand, install horizontally, often in a wall. QRFS carries more than 40 sidewall sprinkler models from industry-leading manufacturers Victaulic, Viking, Senju Sprinkler, and Tyco. The 2022 edition of NFPA 13: Standard for the Installation of Sprinkler Systems requires the following clearances for vertical and horizontal sidewall sprinklers: NFPA 13 also prescribes a minimum distance from the deflector to the wall where the sprinkler is installed: Sidewall sprinklers open up design possibilities in a wide variety of buildings. (2.3 m), Within trusses or bar joists having web members not greater than 1 in. (450 mm) to less than 2 ft (600 mm), 2 ft (600 mm) to less than 2 ft 6 in. (200 mm) long and 6 in. The deflector holds the key to telling these sprinklers apartand to installing them properly. A typical comment would have substantiation by the submitter which is accepted as being relatively accurate unless the committee states otherwise. It also changed the requirement for standard spray sprinklers no longer allowing obstructions within 4 ft. Using a heat-activated glass bulb assembly, this automatic fire sprinkler opens when ambient temperatures reach 155F (68C), drenching the area surrounding a fire to keep it in its place of origin. (2.0 m) to less than 7 ft (2.2 m), 7 ft (2.2 m) to less than 7 ft 6 in. The problem at that time was that Table 4-9.5.1.2 for extended coverage sidewall sprinklers did not have a similar allowance for obstructions closer to the sprinkler. But basically, each sprinkler is designed to point in a direction. Theyre certainly not superhumanbut theyre an impressive and helpful addition to any designers toolkit. and 3 in. This comment was accepted with the following changes to NFPA 13: A deleted the first sentence of text from both section 8.7.5.1.3 and 8.9.5.1.3. 124, Copyright 2022, American Fire Sprinkler Association. That shape guides water away from one direction and toward the intended direction. Call us at+1 (888) 361-6662 or email[emailprotected]. This is not a conflict as long as one adds obstructions less than 4 in. Theyre designed to point parallel to the floor. (214) 349-5965 ext. The TY-FRB Sidewall Sprinkler delivers effective, affordable defense against fire in light or ordinary-temperature applications. Huggins has served on the NFPA Standards Council and is a member of multiple NFPA technical committees, including NFPA 13, NFPA 25, and NFPA 5000 (Building Code). The first one is that you can have a narrow obstructions within the 8-ft zone as long as it complies with the four times rule (per Figure 8.9.5.2.1.3). NOTE: For information on proper sprinkler system installation, consult the California Fire Code, California Code of Regulations, Title 24, Section 903.3 "Installation Requirements" for Automatic Sprinkler Systems and/or your local jurisdiction fire department. (1.4 m), 4 ft 6 in. When using sidewall sprinklers can there be obstructions at the ceiling within 4 ft of standard sprinklers or 8 ft for extended coverage and residential sprinklers? (200 mm) in width or projection from the wall, 10.3.6 Obstructions to Sprinkler Discharge (Standard Sidewall Spray Sprinklers), Sprinklers shall be located so as to minimize, The distance between light fixtures or similar. Extended coverage sidewall sprinklers installed in accordance with 11.3.6.2.2 in slopes exceeding a ceiling pitch of 2 in 12 In each bay of obstructed construction consisting of solid structural members that extend below the deflector of the sprinkler Extended coverage sprinklers installed to protect areas below a single overhead door (s) (400 mm). 8.9* Installation Requirements, Extended Coverage Sidewall Spray Sprinklers, All requirements of Section 8.5 shall apply to, 11.3* Installation Requirements for Extended Coverage Upright, Pendent, Sidewall Spray Sprinkler, Extended Coverage Sidewall Spray Sprinklers, General. (1.4 m) to less than 6 ft (1.5 m), 6 ft (1.5 m) to less than 6 ft 6 in. (2.3 m), 7 ft 6 in. (1.7 m) to less than 6 ft (1.8 m), 6 ft (1.8 m) to less than 6 ft 6 in. This phenomenon, called dead air, can cause heads to start spraying too late, allowing a fire to spread. The answer is that it does apply, but the bottom of the obstruction can be as low as the plane of the deflector. The same change was made to Figure 8.10.7.1.3 for residential sprinklers. (750 mm), 2 ft 6 in. The deflector discharges most of the water in a horizontal plane onto adjacent walls and the protected area. This was approved in principle. Since it was classified as an acceptance of a comment, no substantiation for the change was required or provided. Sidewall Standard Response fire sprinklers are utilized instead of a pendent fire sprinkler when decorative ceilings are installed as to not disrupt the design of the space. Horizontal Sidewall Sprinklers (EC & QR) HD Extended Coverage Horizontal Sidewall Sprinklers are Quick Response with 3mm glass bulbs. (1.1 m), 3 ft 6 in. Sidewall. See full size image . out (previously allowed). Questions about sidewall sprinklers? and 3 in. K Factor: 8.0 (115) Download Bulletin. Commonly used instead of pendent or upright sprinkler heads due to aesthetics or building construction considerations, where piping across the ceiling is undesirable. K Factor: 5.6 (80) His article for Fire Engineering drew attention to a concerning trend in fire protection to install sidewall sprinklers in ways that simply werent safe. November 9, 2016 (2.0 m) to less than 7 ft (2.1 m), 7 ft (2.1 m) to less than 7 ft 6 in. = 25.4 mm; 1 ft = 0.3048 m. Sprinklers shall be permitted to be spaced on opposite sides of, 10.3.6.2 Obstructions to Sprinkler Discharge Pattern Development, Regardless of the rules of this section, solid, 10.3 Installation Requirements for Standard Pendent, Upright, and Sidewall Spray Sprinklers, Sidewall Standard Spray Sprinklers, All requirements of Section 9.5 shall apply to, 8.7 Installation Requirements, Sidewall Standard Spray Sprinklers, All requirements of Section 8.5 shall apply to, 8.7.3.3 Installation Requirements, Minimum Distance From Walls, 8.7.3.4 Installation Requirements, Minimum Distance Between Sprinklers, Standard for the Installation of Sprinkler Systems 2019 of New Jersey, 10 Installation Requirements for Standard Pendent, Upright, and Sidewall Spray Sprinklers, Standard for the Installation of Sprinkler Systems 2013 of New Jersey, Standard for the Installation of Sprinkler Systems 2016 of New Jersey, 8.7.3 Sprinkler Spacing (Standard Sidewall Spray Sprinklers), 8.7.3.4 Minimum Distance Between Sprinklers, 5 ft (1.5 m) to less than 5 ft 6 in. The appropriate interpretation is that obstructions could be closer than 4 ft, but could be no closer than 4 ft when they extended below the plane of the deflector. (100 mm) from an end wall. All requirements of Section 9.5 shall apply to, 8.9.3.1 Installation Requirements, Maximum Distance Between Sprinklers, 8.9.3.2 Installation Requirements, Maximum Distance From Walls, Standard for the Installation of Sprinkler Systems 2019 of New Jersey, 11 Installation Requirements for Extended Coverage Upright, Pendent, Sidewall Spray Sprinkler, 11.3* Extended Coverage Sidewall Spray Sprinklers, Standard for the Installation of Sprinkler Systems 2013 of New Jersey, 8.9* Extended Coverage Sidewall Spray Sprinklers, Standard for the Installation of Sprinkler Systems 2016 of New Jersey, 8.9.3 Sprinkler Spacing (Extended Coverage Sidewall Spray Sprinklers), 8.9.3.1 Maximum Distance Between Sprinklers, 1 ft 6 in. The comment from the TCC had no substantiation since it did not propose a change but was just ensuring consistency within the document. Bulletin 016. If this article answered your questions about these useful heads, check us out at Facebook.com/QuickResponseFireSupply or on Twitter @QuickResponseFS. (2.0 m) to less than 7 ft (2.1 m), 7 ft (2.1 m) to less than 7 ft 6 in. CAD Drawings Engineering Specs Style List: Concealed Horizontal Sidewall (SWC), Horizontal Sidewall, Recessed Horizontal Sidewall. (1.5 m) in diameter, provided the plan view of the fan is at least 50 percent open. But the design in the videowhich features a horizontal sidewall head placed beneath an outdoor walkway on an apartment complexembodies many of the benefits offered by sidewall heads. I do remember there being significant concern regarding the spray pattern of the extended coverage sprinkler but not for standard spray. Things stayed static for 15 years except for the normal slow change of members on the technical committees. 134, Bob Caputo, Publisher (2.3 m), At the top and bottom of elevator hoistways, Determine the distance between sprinklers along the wall (or to the end wall or, Choose the larger of either twice the distance to the end wall or the distance to the next sprinkler, Determine the distance from the wall on which the sprinkler is installed to the wall opposite the sprinklers or to the midpoint of the room where sprinklers are installed on two opposite walls (. STYLE Horizontal Sidewall Sprinklers TEMPERATURE Standard Response with 5mm RESPONSE glass bulb, Quick Response with 3mm glass bulb Each of our commercial models is UL-listed, FM-approved, and ready for installation in NFPA 13-compliant systems. The driving text for section 8.9.5.1.3 remained the same as the 2013 edition stating: The distance between light fixtures or similar obstructions located more than 8 ft (2.4 m) from the sprinkler shall be in conformance with Table 8.9.5.1.3 and Figure 8.9.5.1.3.. They may or may not stick out, depending on the sprinklers construction and the way its mounted, but each of these heads relies on piping along or behind a wall for a supply of water. There was also a comment from the technical correlating committee (TCC) directing that the two sections be reviewed to ensure that they were consistent. 11.3.3.2 Maximum Protection Area of Coverage, The maximum allowable protection area of coverage for a sprinkler (, In any case, the maximum area of coverage of a sprinkler shall not exceed 400 ft, 11.3.4 Sprinkler Spacing (Extended Coverage Sidewall Spray Sprinklers), 11.3.4.1 Maximum Distance Between Sprinklers. Browse our full selection of sidewall sprinklers. Horizontal models are marked with the word top, indicating the side of the deflector that should face the ceiling. These small plates rest between the sprinklers orifice and the space it protects, shaping the water pattern as it sprays. TYCO Series DS-1 Dry-Type Sprinklers, 5.6K Pendent, Upright, and Horizontal Sidewall, Standard Response (5 mm Bulb) and Standard Coverage, are decorative glass bulb automatic sprinklers designed for commercial use, typically used where: pendent sprinklers are required on dry pipe systems that are exposed to freezing temperatures . (150 mm) high. Leave a comment. Horizontal sidewall sprinklers are de-signed for installation along a wall or the side of a beam and are commonly VK305 - Microfast Quick Response Horizontal Sidewall Sprinkler (K5.6) VK319 - Microfast HP Quick Response Horizontal Sidewall Sprinkler (K5.6) VK306 - Microfast Quick Response Vertical Sidewall Sprinkler (K5.6) VK360 - Quick Response Horizontal Sidewall Sprinkler (K8.0) VK481 - Standard Spray Concealed Horizontal Sidewall Sprinkler (K5.6) Sidewall sprinklers can be mounted on the side, bottom, or top of a branch line, as specified in their listings. On the other hand, Table 4-4.2.4 identified that obstructions could be less than 4 ft from the sprinkler as long as the bottom of the obstruction was at or above the plane of the deflector. The maximum allowable protection area of coverage for a sprinkler ( As) shall be in accordance with the value indicated in Table 10.3.3.2.1. Tags Fire Sprinklers Obstruction Roland Huggins Sidewall Technical Articles, Tips to Maximize Your ROI If youre reading this article, chances are you are, were, , 12750 Merit Drive, Suite 350 Chrome plating gives the sprinkler a good corrosion resistance in most types of corrosive environments. This issue is still a bit murky, so talk with the Authority Having Jurisdiction (AHJ) before submitting your plans for review. above the deflector, it is allowed within 8 ft of the sprinkler. VK333 - Microfast Quick Response Horizontal Sidewall Sprinklers (K2.8), VK344 - Microfast HP Quick Response Horizontal Sidewall High Pressure Sprinkler (K2.8), VK337 - Microfast Quick Response Vertical Sidewall Sprinkler (K4.2), VK305 - Microfast Quick Response Horizontal Sidewall Sprinkler (K5.6), VK319 - Microfast HP Quick Response Horizontal Sidewall Sprinkler (K5.6), VK306 - Microfast Quick Response Vertical Sidewall Sprinkler (K5.6), VK360 - Quick Response Horizontal Sidewall Sprinkler (K8.0), VK481 - Standard Spray Concealed Horizontal Sidewall Sprinkler (K5.6), Sprinkler Identification Number Directory. He is a graduate of the University of Maryland and a member of the NFPA. The distance from sprinklers to the end walls shall not exceed one-half of the allowable distance permitted between sprinklers as indicated in Table 11.3.3.2.1. Extended Coverage; DH56 Sidewall Sprinklers; DH56 Sidewall Sprinklers. In addition, non-extended coverage standard-response sidewall sprinklers listed for Ordinary Hazard shall be acceptable for use under the lift platform. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); our in-depth look at fire sprinkler head types, Senjus decorative flush sidewall sprinklers. All Rights Reserved, Sidewall Sprinklers and Ceiling Obstructions, AFSA Launches New Apprenticeship Training, MEMBERS ELECT 2022-2023 BOARD OF DIRECTORS, Membership Has Its Benefits: Making the Most of Your Membership, Apprenticeship Programs Cant Do It Alone, The Compensability of Travel Time Under FLSA, NextGen Initiative Presents New Webinar Series. See full size image. In this article, we look at what these fire sprinklers do and how horizontal and vertical models play slightly different roles in active fire protection. In 1996, professor and fire protection engineer Glenn Corbett described sidewallswith more than a trace of ironyas superhuman sprinkler heads. Don't see what you're looking for? WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov. (214) 349-5965 ext. That flexibility makes them unusual. Add to Submittal Grooved . NFPA activities include participating on the editing of the Sprinkler Handbook and Fire Protection Handbook. When the rated temperature is reached, the These heads point perpendicular to the floor and can be installed either facing up (a classic upright orientation) or down (a classic pendent orientation). (450 mm) to less than 3 ft (900 mm), 4 ft (1.2 m) to less than 4 ft 6 in. Sprinklers shall be permitted to be spaced on opposite sides of. 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. This configuration connects an outdoor sprinkler to protected, climate-controlled indoor pipes, reducing the risks of vandalism, impact, and freezing. The tops of baffles shall extend between 2 in. Thats a big problem, and for a simple reason: like other fire sprinkler types, sidewall heads activate when they get hot. (1.4 m), 4 ft 6 in. UL Listed / FM Approved UL 199, NFPA 13 K5.6 (K80), SR, HSW 250 / 175 psi 115, Sydney Richardson, Advertising 200 East Santa Clara Street, Tower 2, San Jos, CA 95113 Phone: (408) 535-7750 Fax: (408) 292-6067 www.sjfd.org 07/10/2017 Rev.4 Page 1 of 3 Sprinkler System Standard for the Installation of Sprinkler Systems in Low-Rise Residential Occupancies Sidewall Sidewall See "Fusible Element" section for additional standard response sprinklers. BIM Files Style List: Concealed Horizontal Sidewall (SWC), Horizontal Sidewall, Recessed Horizontal Sidewall. Dry Sprinklers; DH56 Extended Coverage Dry Sidewall Sprinkler; DH56 Extended Coverage Dry Sidewall Sprinkler. Sprinkler Operation The Sprinkler operating device is state of the art heat responsive frangible glass bulb supplied by a See full size image. Where soffits exceed more than 8 in. Upright, and Horizontal Sidewall, Stan - dard Response, Standard Coverage Dry-type Sprinklers are in service, water is prevented from entering the assembly by the Plug with Sealing Assembly (see Figure 1) in the Inlet of the sprinkler. B changed Table 8.7.5.1.3 from 0 in. 11.3.4.4 Minimum Distance Between Sprinklers, Sprinklers shall be not located within the maximum protection area of any other sprinkler unless required by, 11.3.5 Deflector Position From Ceilings and Walls (Extended Coverage Sidewall Spray Sprinklers), 11.3.5.1 Distance Below Ceilings and From Walls to Which Sprinklers Are Mounted, Where soffits used for the installation of, 11.3.5.1.4* Soffits and Cabinets in Residential Areas/Occupancies, Where soffits are used for the installation of. tection of coverage areas up to 16 ft. x 24 ft. (384 ft2), as compared to stand-ard coverage horizontal sidewall sprin-klers having a maximum coverage area of 10 ft. x 10 ft. (100 ft2) for ordi-nary hazard occupancies. The glass bulb contains a fluid that expands when exposed to heat. Since the 2002 edition of NFPA 13, Standard for the Installation of Sprinkler Systems, it has been fairly well understood that obstructions were not allowed in this zone. Since the 2002 edition of NFPA 13, Standard for the Installation of Sprinkler Systems, it has been fairly well understood that obstructions were not allowed in this zone. (150 mm), 6 in. 15mm GW DD F2 WWHEC QR the tyco series ty-frb, 5.6,and 8.0 k-factor, extended coverage horizontal sidewall sprinklers are extended coverage, decorative 3 mm glass-bulb type spray sprinklers designed for use in hydraulically calculated sprinkler systems in light hazard, commercial occupancies such as churches, restaurant seating areas, hotels, educational facilities, The distance from the wall to the sprinkler shall be measured perpendicular to the wall. All of our residential models are UL-listed and ready for installation in NFPA 13D and 13R fire sprinkler systems. Unfortunately, there are still a couple of wrinkles that need to be ironed out. Baffles shall be not less than 8 in. Sidewall Sprinkler: Sidewall sprinklers typically are installed along a wall and discharge water away from the wall into the room or space. With a variety of temperatures, finishes, and orifice sizes for residential and commercial headsboth quick and standard responseour selection has sprinkler heads suited to almost any project. of coverage making it an ideal choice for standard coverage applications while being aesthetically pleasing. Baffles shall be arranged to protect the actuating elements. 10.3.3 Protection Areas Per Sprinkler (Standard Sidewall Spray Sprinklers), 10.3.3.1 Determination of Protection Area of Coverage, The protection area of coverage per sprinkler (, The protection area of the sprinkler shall be established by multiplying the, 10.3.3.2 Maximum Protection Area of Coverage, The maximum allowable protection area of coverage for a sprinkler (, In any case, the maximum area of coverage of a sprinkler shall not exceed 196 ft, 10.3.4 Sprinkler Spacing (Standard Sidewall Spray Sprinklers), 10.3.4.1 Maximum Distance Between Sprinklers, The maximum distance permitted between sidewall. C added new line to Table 8.9.5.1.3 for less than 8 ft as not allowed. This all changed with the 2016 edition. For SI units, 1 in. Baffles shall be arranged to protect the actuating elements. VK104 - Micromatic Standard Response Horizontal Sidewall Sprinkler (K5.6) VK116 - Micromatic HP Standard Response Horizontal Sidewall High Pressure Sprinkler (K5.6) VK106 - Micromatic Standard Response Vertical Sidewall Sprinkler (K5.6) Extended Coverage Sprinkler, SR, Horizontal Sidewall, Model SW-20 & SW-24 The TYCO Model SW-20 and SW-24, 11.2 K-factor, Standard Response, Extended Coverage Ordinary Hazard (ECOH) Horizontal Sidewall Sprinklers are decorative glass bulb sprinklers designed for use in ordinary hazard occupancies per NFPA 13. There are two big reasons to use sidewall sprinklers: By and large, most sidewall sprinkler heads are horizontal sidewall sprinklers. (25 mm) maximum dimension or where trusses are spaced greater than 7. Still, as an alternative to pendent or upright heads, they support designs that work where other orientations wouldnt. Each sidewall sprinkler shall cover an area of 80 square feet or less. At least four inches of clearance between deflectors and ceilings or end walls for all models, No more than six inches of clearance from the ceiling for vertical sidewall models only, No more than 18 inches of ceiling clearance for horizontal sidewall models specifically listed for that use, when placed below non-combustible and limited-combustible ceilings, No more than six inches of ceiling clearance for all other horizontal-type models. (150 mm) high. (1.1 m) to less than 4 ft (1.2 m), 4 ft (1.2 m) to less than 4 ft 6 in. Chrome plating gives the sprinkler a good corrosion resistance in most types of corrosive environments. This prompted the submittal of a proposal for the 2002 edition whereby Table 8.9.5.1.3 (the section number changed in 1999 and again 2002) would have an allowance to have obstructions closer to the sprinkler (as allowed for standard spray). When using sidewall sprinklers can there be obstructions at the ceiling within 4 ft of standard sprinklers or 8 ft for extended coverage and residential sprinklers? Sidewall sprinklers shall only be installed as follows: Light hazard occupancies with smooth, horizontal or sloped, flat ceilings Ordinary hazard occupancies with smooth, flat ceilings where specifically listed for such use To protect areas below overhead doors At the top and bottom of elevator hoistways For the protection of steel building columns (1.4 m) to less than 5 ft (1.5 m), 6 ft 6 in. The maximum width of the lintel or soffit shall not exceed 16 in. See "Fusible Element" section for additional quick response sprinklers. Weve explained much of what separates one kind of fire sprinkler head from another in our in-depth look at fire sprinkler head types. Copyright Viking Group Inc. (1995-2022) All Rights Reserved. K Factor: 5.6 (80) Download Bulletin. There is light at the end of the tunnel since Public Inputs have been submitted to more explicitly address this issue. While most (upright and pendent) sprinklers have a spoked circle, sidewall heads have a deflector that usually combines a semicircle and a flat plate that runs perpendicular to it. Its clear that the intent is to allow obstructions immediately adjacent to sidewall sprinklers. Huggins is a veteran. The same text from extended coverage sprinklers was also added to residential sprinklers in the 2002 edition. Unfortunately, when addressing the standard spray sidewall, you have to take guidance from Section 8.9 into the process to get to the right answer. Sidewall Horizontal Extended Coverage (WWHEC) The WWHEC is designed for installation along a wall or the side of a beam and beneath a smooth and level ceiling. (100 mm) clear space with no obstructions except as allowed by 8.9.5.2.1.3. (See Figure 1.). Sprinklers shall be installed in accordance with Table 11.3.6.1.4 and Figure 11.3.6.1.4(a). The new text read: Sidewall sprinklers shall be installed no closer than 8 ft (2.3 m) to light fixtures or similar obstructions. Before delving into this latest change, lets first look at a little history. For a great example of when these sprinklers do what others cant, lets watch one in action: This isnt a typical use, as sidewalls are usually indoors. Beams or similar obstructions located greater than 4 ft (1.2 m) from the sprinkler shall be in conformity with Table 4-4.2.4.. (2.0 m), 6 ft 6 in. WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov. For example, section 8.5.6, NFPA 13 (2007), Clearance to Storage, has a requirement in 8.5.6.4, which states, "a minimum clearance to the top of storage and ceiling sprinkler deflectors to be less than 18-inches (457 mum) between the top of storage and ceiling sprinkler deflectors shall be permitted where proven by successful large scale fire . The tops of baffles shall extend between 2 in. CAD Drawings Engineering Specs Style List: Concealed Horizontal Sidewall (SWC), Horizontal Sidewall, Horizontal Sidewall Recessed. Upright and pendent sprinklers, for example, can face only one wayand will likely fail to keep a fire in check if installers choose the wrong orientation. (214) 349-5965 ext. These sprinklers are designed for use in light hazard, commercial occupation such as hotels, restaurants, offices, etc. The horizontal sidewall sprinklers are used in place of upright or pendent sprinklers, due to Sidewall sprinklers are used in existing buildings, historical buildings, hallways, kitchens, and more. Other national activities involve the NFPA Research Foundation, UL Standard Technical Panels, and NICET. out from the sprinkler (previously not allowed) is no different than having a 4-in. IMPORTANT NOTICE: The article and its content is not a Formal Interpretation issued pursuant to NFPA Regulations. The maximum width of the lintel or soffit can exceed 16 in. The 2022 edition of NFPA 13: Standard for the Installation of Sprinkler Systems requires the following clearances for vertical and horizontal sidewall sprinklers: At least four inches of clearance between deflectors and ceilings or end walls for all models No more than six inches of clearance from the ceiling for vertical sidewall models only Table 10.3.3.2.1 Protection Areas and Maximum Spacing ( Standard Sidewall Spray Sprinkler) 10.3.3.2.2 In any case, the maximum area of coverage of a sprinkler shall not exceed 196 ft 2 (18 m 2) (200 mm) long and 6 in. As such, we have no documentation on the basis for this change. Working 175 PSI (12 Bar) Pressure Factory Hydrostatic 500 PSI (35 Bar) Test Pressure #415 A Guide to Key NFPA 25 Changes in the 2023 Edition, #414 Fire Sprinkler Testing Procedures & Replacement in NFPA 25, #413 How to Replace Old Residential Fire Sprinkler Heads with Different or Missing K-Factors, #412 How to Avoid CPVC Pipe Problems Due to Chemical Incompatibilities, #411 The History and Successes of Fire Prevention Week, #361 Fire Safety in Churches, Temples, Mosques, and Synagogues, #286 Fire Hydrant Colors: Their NFPA Spectrum and Meaning, #147 Significant Changes to the 2019 Edition of NFPA 13, Part 1, #313 ICC and NFPA Codes and Standards: A Basic Guide, Fire sprinklers are heat-activated, and heat rises, For the most part, heads placed near the ceiling face fewer obstructions (like furniture, cabinets, and other large objects) that might get in the way, Access to ceiling piping is limited or unavailable, Ceiling-mounted sprinkler heads would somehow detract from the buildings aesthetics. The intent is shown by the committee statement that says: Unlike SSW, EC sidewalls require an arc spray discharge to reach the entire hazard. The other wrinkles are just minor items on formatting and clean up. They also added text to address extended coverage sidewall sprinklers except that the minimum distance was 8 ft. Instead of justifying a difference, standard spray sprinklers were restricted so they would both be consistent. (100 mm) from an end wall. Baffles shall be not less than 8 in. The distance from sprinklers to the end walls shall not exceed one-half of the allowable distance permitted between sprinklers as indicated in Table 10.3.3.2.1. (100 mm) to less than 6 in. wide light fixture 18 in. The 1996 edition changed the format, fixing the little problem of implying a sidewall sprinkler could be installed perpendicular to beamed construction by saying light fixtures and similar obstructions. The maximum distance permitted between sprinklers shall be based on the centerline distance between sprinklers on the branch line along the wall. The sidewall is used For the protection of exterior projections and similar structures, one of NFPA 13s nine permitted use cases. There are plenty of good reasons why most fire sprinklers are mounted in pipes above or just below ceilings, including: But there are also good reasons to mount sprinklers along wallsand plenty of ways to do it, too, thanks to the sidewall sprinkler head. Installers, he said, often overestimated their abilities, placing them too close to obstacles or otherwise putting them in places that dont work. Listing dimensions shall be in 2 ft (600 mm) increments up to 28 ft (8.5 m). These include the fact that location has meaning and the 2016 criteria is in a section that is addressing only obstructions located more than 8 ft from the sprinkler and that the tables still say obstructions less than 8 ft are not allowed. DH80 Extended Coverage Dry Sidewall Sprinkler. Residential buildings like hotels use the lions share of sidewall sprinklers, and theyre also common in dining rooms, offices, and other spaces where running overhead pipe is impractical or ceiling aesthetics are a high priority. 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