Both referenced standards used were also updated. The pass/fail criterion for swinging doors remains at 0.5 cfm per square foot. The UA (area weighted average) alternate method, 3. Must be able to stay open without the need for added support. 3. 0000019201 00000 n 0000035112 00000 n The 2018 IRC glazing requirements remain mostly unchanged, but for modifications addressing glazing adjacent to doors, in guards and railings, and adjacent to the bottom stair landing. We Recommend Home Hacks & Answers Ohio Building Codes for Adding Egress Windows Home Hacks & Answers Height of Kitchen Windows Home Hacks & Answers The latter will be consistent with the 2018 IBC. Unchanged from the last code cycle, the 2018 IRC requires testing or structural calculations to demonstrate the ability of window mullions to meet certain structural requirements. (Title 24, Part 2, Section 2-8503(a)3. I think that in all other occupancies opening window sills would need to be at 42" if needing a guard. Having a 24-36-inch buffer under the bottom portion of the window makes it much less likely that small children will inadvertently put themselves in danger. Thermally isolated sunrooms must also be equipped with a separate heating or cooling system or thermostatically controlled as a separate zone, if conditioned. (2) Any window which when fully opened has a clear opening with the lesser dimension exceeding 18 inches, or any window in which the height to width relationship presents a hazard, shall be considered as presenting the hazard of falling through as specified in Section 3282(g)(1) above. 0000007999 00000 n Section 1015 requires the bottom of openings created by these windows to be a minimum of 36 inches above the adjacent interior floor when they are 72 inches or more above grade. The sill height must not be more than 44" above the floor. The energy conservation requirements for one- and two-family homes and townhouses three stories or less in height are also given in Chapter 11 of the 2018 IRC. YL` ^2fk0> 3uN;xpYXB- ` ^( hb``0a``3b``` 0000027948 00000 n Some states specifically opted to skip the 2015 edition of the International Codes and continued to use the 2012 or earlier edition until the 2018 edition became available last year. NOTE: Authority cited: Section 142.3, Labor Code. The sill height cannot be more than one metre (the exception to this rule is egress windows in basements). Anchors attached to hollow metal construction shall be installed by one of the following methods: (A) At least two machine screws or bolts of 3/8-inch diameter stainless steel or equivalent passing through the frame and a steel reinforcing plate 3/8-inch thick that extends not less than 5 inches above the top bolt hole, placed on the inside of the frame and secured by means of nuts and lock washers. This tab provides a method for a window manufacturer to demonstrate its product has been successfully tested in accordance with ASTM E1886 and ASTM E1996 by including the tab as part of its NAFS air-water-structural certification label. from its web site at, Subchapter 7. 0 * y(!P-Iwedg*l28;w}hh)/$r1fcusXO,H&0,t4gVwN;u}k:e0HN_-(5MIchA!&G^f[NlI,i| 7Yzz"b-/[P?OG iq,L*h4;_'Z.Jz U=U4 R5lo|?F;9~m.cS,g r7eOuf0nizs!. In fact, they can be even lower if you have window guards or if the window is not operable. This reliance on the International Codes has now spread to other countries, including Georgia (Eastern Europe), Mexico, Columbia and Honduras. The height of the clear opening must be at least 24" and the width must be at least 20". 7GCzsWGi:ZlwV)XO!be\[o4t/ *BU\}+Qzy=A'v#=1jvP:BuZbu;@tzvqFwB#/|*id9j'#E(h/L!`6+;FT 2e{e6MU'`OpRq'Q3:DDDDV(VRk`% OC_w6[p]`K58J1LJnC6}v wU1+9)be_6\CU%+`#z6)AN]j|4qV.\+n3i[~1C2+TgP"]Q%`4F#VFfE>HwJ:*tD MF(wp +U9ELqY V_[ ?cw6%nr=;bGd2q`?aV_+l The use of protective wood panels as an alternative to impact-resistant glazing or shutters continues to be permitted for one- and two-story, single-family dwellings, duplexes and residential care facilities. Minimum height from finished floor to sill with exterior deck height same as interior. When all 3 of these conditions apply to your window, fall protection must be required. Scope. The distance between anchors shall not exceed 4 feet horizontally unless the sill or ledge is at least 12 inches wide and the slope is less than 5 degrees in which case the distance between anchors may be as much as 6 feet. (Title 24, Part 2, Section 2-8503(a)2. 1. Other changes, however, occurred between the 2010 and 2016 editions of ASCE 7 that effect design wind loads in the 2018 I-codes. (Other types of residential occupancies, such as multifamily buildings and assisted-living facilities greater than three stories in height, and hotels and motels of any height, are governed by the provisions of the 2018 IECC for commercial buildings.). EXCEPTION: Where the windows are less than 48 inches in height and of such design that the window cleaner would normally work from the outside, anchors shall be located at a height above the sill that is approximately two-thirds the total height of the window. This method of traveling shall not be permitted, however, if the sill or ledge is not continuous with at least 6 inches in front of the mullions or if each window unit is not readily accessible. The 2022 California Building Standards Code (Cal. Building Code, 2019 California Residential Code, and 2019 California Energy Efficiency Standards. (m) Window cleaners shall not be permitted to work from any sill on which there is any obstruction or a slippery substance that might impair their footing. The minimum window-sill height requirements are intended to reduce the number of injuries from falls by children through open windows. In cases where it is impracticable to provide nuts and lock washers, the reinforcing plate may be tapped to receive 3/8-inch diameter bolts, and the bolts shall extend through the plate. In this case we take the height as applying to the sill of the actual opening portion of the window . 0000095332 00000 n (b) Anchor Design and Material Specifications. ), (3) A window to be cleaned from the sill shall be suited structurally to the installation of anchors and, when opened, shall not interfere with the attachment of window cleaner's belt terminals to the anchors. This can be accomplished using any of the compliance paths in the IRC or IECC. Printing is a feature of Digital Codes Premium. Item 1 of Section R703.4 requires mechanically applied flashing to comply with AAMA 712-14. 2. For skylights and sloped glazing, however, other factors used to calculate design wind pressure were increased. endstream endobj startxref The Energy Rating Index (ERI) path that was added into the 2015 IECC did receive some changes in the 2018 IECC. Requirements for energy performance in both residential and commercial buildings are spelled out in the 2018 IECC. Therefore, for those homes that fall within the scope of the prescriptive provisions of the 2018 IRC, the geographical locations where impact protection of openings is required are similar to those given in ASCE 7-10 and are primarily defined by design wind speed. Section R312.2 of the 2018 International Residential Code outlines the minimum requirements for window fall protection and when it is required. As such, it is most commonly applied to R and LC windows and not CW or AW windows. 0000019925 00000 n When the distance is less than 6 feet, anchors or equivalent protection as required by Section 3212 shall be required. Similar to option 1 above this ensure the device acts as somewhat of a guardrail by not allowing any opening larger than 4 inches. California Residential Code 2019. An exception from this requirement also remains in the 2018 IRC, for windows that do not open more than 4 inches or that are equipped with window guards or window opening control devices (WOCDs) that comply with ASTM F2090-17. Manufacturers and dealers that sell products in several states should be aware that, at this time, multiple editions of the International Codes are being enforced across the country. 5?`eu=f/IHE 5k0)o{ZI}pQ(0,uGNvVwq+2l/yMa5="2s\;J s8lQf]JU:F$ @%*h]OAuPbpd@ % A y x}[Dpe F}2%&'JW#tV That means we can provide a window opening area of around 15 % of the room area. In Southern climate zones 1 to 3 (Southern Tennessee to the tip of Florida), there is no U-factor cap, but the SHGC is not to exceed 0.50. Also windows are 32.375" wide by 72" height casement style full opening. 2. C. A building has extreme architectural features, which require the use of complex rigging or equipment, or a building that uses rigging or equipment not covered by these Orders. 7-23-98; operative 8-22-98 (Register 98, No. In some cases, this increase results in a higher design wind pressure. Stud size, height, and spacing.The size, height, and spacing . I am getting push back from a code official who is interpreting the code to apply to schools (i.e. It is important to note however before we move on that per the International Residential Code (IRC), the minimum sill height is 24 inches but per the International Building Code (IBC), the minimum sill height is 36 inch. The chart above shows the relationship between minimum permissible sill widths and various sill slopes for washing windows from a standing position on the sill. <> One of thesedesignated the UA alternate methodonly permits tradeoffs between different elements of the building envelope. I realize tempered glass required, but at what height? This is why it is imperative that the code user verify the edition of the code in any specific jurisdiction prior to beginning a project there. (local codes prevail) Editorial correction filed 10-7-83; effective thirtieth day thereafter (Register 83, No. Fun Tip:To learn the difference between the International Residential Code (IRC) verses the International Building Code (IBC), be sure to check out thisPOST. Exceptions can be made for windows that do not open more than 4 inches or that have window guards or opening control devices in compliance with ASTM F2090-17. H,/ !!!q"w2gQefg`cga0Tbdl 4c2T+ U'913Nfd],PO(9(sXNG#6Ti bv !- endstream endobj 9 0 obj <>>>/Metadata 6 0 R/Outlines 3 0 R/PageLayout/SinglePage/Pages 5 0 R/Type/Catalog/ViewerPreferences<>>> endobj 10 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Thumb 4 0 R/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 11 0 obj [12 0 R 13 0 R 14 0 R] endobj 12 0 obj <>/Border[0 0 0]/H/N/Rect[349.718 35.392 423.383 25.84]/Subtype/Link/Type/Annot>> endobj 13 0 obj <>/Border[0 0 0]/H/N/Rect[312.866 17.392 373.725 7.84]/Subtype/Link/Type/Annot>> endobj 14 0 obj <>/Border[0 0 0]/H/N/Rect[26.08 787.88 131.6 688.84]/Subtype/Link/Type/Annot>> endobj 15 0 obj <> endobj 16 0 obj <> endobj 17 0 obj <> endobj 18 0 obj [/ICCBased 29 0 R] endobj 19 0 obj <>stream Anchors attached to solid metal construction shall be installed by one of the following methods: (A) At least two machine screws or bolts of 3/8-inch diameter stainless steel or equivalent passing through the frame and secured by means of nuts and lock washers. As the last two options are somewhat similar, the first option is more of a permanent solution such as a rail system for example. For a simple residential building or house, a minimum of 15 % area of the room is allowed to provide for window openings. Where on-site renewable energy is included in the ERI calculation, buildings must meet or exceed the thermal envelope requirements in Table 402.1.2 of the 2015 IECC, but the 2009 IECC envelope backstop will remain in effect for buildings without on-site generation. (10) When the roof level or ledge is 8 feet or more in width, as measured from the face of the building to the danger point, no special protection, such as parapet, railing or window anchors, is required. The 24-inch sill height is typically above a small child's center of gravity, reducing the likelihood of the child's toppling over the sill. window (A) would be acceptable for egress. _#|*A.s9,Qt0?>x_P:d4&f*\PN8$U77[!t0Go-g#j.r@@~1o+O (f) Only employees who have been properly trained to handle such equipment shall be assigned to work from scaffolds or boatswain's chairs. (Title 24, Part 2, Section 2-8503(a)9. Anchors shall be attached to the side frames of the window or to the building at a point no less than 42 inches nor more than 51 inches above the window sill. Also, one opaque door up to 24 square feet in area is exempt from the maximum U-factor requirement in the 2018 IECC (R402.3.4) and 2018 IRC. Minimum sill height for windows according to the 2012 International Residential Code. 0000028494 00000 n (6) Hollow Metal. Standard Height of Window from Floor. 0000001684 00000 n The 2018 IRC also permits the use of other approved tests. This may include Miami-Dade County test protocols, if approved by the authority having jurisdiction. 0000002698 00000 n It should be noted that this provision is only contained in the IRC. From a height of 36 inches (914 mm) to 42 inches (1067 mm), guards shall not have openings that allow passage of a sphere 4 3 / 8 inches (111 mm) in diameter. (C) Bolts used to attach anchor fastenings shall be secured by means of nuts tightened to the torque specified by the bolt manufacturer or other equivalent means. Ridge Board Size | Code Requirements Explained, Residential Guardrail Height Requirements. In the 2018 IECC (Table R406.4), there was an increase in maximum ERI scores from 51-55 to 57-62. GENERAL INFORMATION: . For those homes outside the scope of the prescriptive provisions of the 2018 IRC, these locations will be determined in accordance with ASCE 7-16. Sleeping rooms in basements of homes that are equipped throughout with a residential sprinkler system that complies with NFPA 13R or 13D, when at least one EERO and one means of egress door, or two EEROs, are provided from the basement. subsections (p)(1)(B)-(p)(1)(C)3., and amendment of subsection (p)(2) filed The U-factor of skylights in climate zones 4 to 8 is not to exceed 0.75. hbbd```b``"84 ` X>&Ef`2D!d""l`( ,2HTt,#M? When the escape opening is a window, the sill height must be no more than 44 inches above the floor. 0000031956 00000 n 0000003860 00000 n When it comes to windows located throughout your home, you might be somewhat familiar with the maximum sill height dimensions required for egress windows, but did you know there is also a minimum dimension applied to sill heights? It is important to note that the required opening size of 24 inches high, 20 inches wide and 5.0 or 5.7 square feet in area must be met by normal operation of the window, door or skylight without the use of keys, tools or special knowledge, and without the removal of a second sash from the opening. Exterior walls of wood-frame construction shall be designed and constructed in accordance with the provisions of this chapter and Figures R602.3(1) and R602.3(2), or in accordance with AWC NDS. . 2012 IBC 1013.8 states: Operable sections of windows shall not permit openings that allow passage of a 4-inch diameter sphere where such openings are located within 36 inches of the finished floor [and located more than 72 inches above the finished grade or surface below]. 0000038301 00000 n The design wind pressure values obtained from the 2018 IRC are to be multiplied by 0.6 for the purposes of comparison to the Design Pressure rating of the fenestration product obtained by testing in accordance with the 2017 edition of AAMA/WDMA/CSA 101/I.S.2/A440 (NAFS-17). 0000023881 00000 n HV]k0}7?a&j^V1. 703/442-4890, National Glass Association. 0000019491 00000 n 35 0 obj <>/Filter/FlateDecode/ID[<0765097B034EAE2860D06C487DD6B7E8><0C28F19960D4C9439EDFBE905DCE0136>]/Index[13 40]/Info 12 0 R/Length 101/Prev 374863/Root 14 0 R/Size 53/Type/XRef/W[1 3 1]>>stream For stationary panels over 5 feet, but not exceeding 6 feet in width, the sill or ledge must be at least 10 inches wide with a slope not exceeding 5 degrees. 3 0 obj 0000010553 00000 n Previously, there was some variation in the energy performance requirements for residential buildings that were included in both the IECC and the IRC. endobj Codes & Standards Major requirements were set forth in the published 2018 I-codes for windows, doors, skylights and other fenestration products in single family homes, duplexes and townhouses that are three stories or less in height. 0000002392 00000 n The provisions in this Section shall apply to drive-through and drive-up facilities where allowed in compliance with Article 2 (Zones, Allowable Uses, and Development and Design Standards) and the following standards. When the anchor and bolt are forged as one piece, such anchors may be used in single or double configurations when provided with a front collar to prohibit anchor rotation and a rear flat washer of at least twice the diameter of the bolt with a lock washer and nut. 0000004684 00000 n According to Table R303.1.3(2) of the 2018 IECC, this criterion is considered to be met by any insulated, nonmetal edge opaque door with glazing less than 45 percent of the door area, when any glazing that does occur in the door is double pane. %PDF-1.6 % Again this option will require some creativity if installed at egress windows to make sure the egress opening is maintained while fall protection is being provided for those locations that require it. The prescriptive path for residential construction establishes maximum permitted U-factor and solar heat gain coefficient (SHGC) requirements for fenestration (Table R402.1.2). Anchors attached to masonry, other than concrete poured-in-place, in buildings erected after October 3, 1955, shall be installed while the wall is under construction and shall be shaped to build into the joints between masonry units. clear min. (1)(b), windows, doors and their components in a building of no more than 10 m in height, measured from grade, may conform to the design pressure, performance grade and water resistance values in Table C-5 of Appendix C instead of the values calculated (Title 24, Part 2, Section 2-8502(a)2. Section R301.2.1.2 of the 2018 IRC outlines the locations where impact-resistant products are required. 41 in. ft. The minimum opening height is 24" and the minimum width is 20 inches. Sill When installing a replacement window in a wood double-hung frame, use an angle finder (available at most hardware stores) to verify that the sill angle is the standard 14 degrees. WindoW EgrEss: Min. According to the 2018 IRC, all windows that are more than 6 feet above the grade outside the window must have a bottom opening a minimum of 24 inches above the room's interior floor. 0000019900 00000 n In mid-level climates zones 4 and 5 (Northern Tennessee to Southern Wisconsin), the U-factor is not to exceed 0.48. When windows get placed in a position that is too high off the ground, protection measures, such as window opening control devices, are looked at as a way of providing a level of safety given the scenario. Lets take a look at when it is necessary to comply with this section and how you can achieve compliance. To recap, although the average window is three feet off the floor for furniture placement, the safety codes say that your windowsill can be as low as 24 inches. For a better experience, please enable JavaScript in your browser before proceeding. Basement Egress Window Requirements The bottom of the egress window opening can't exceed 44" from the finished floor. Anchors installed on buildings of masonry and concrete construction erected before October 3, 1955 shall be attached to the window frame as required in these orders, or by other methods acceptable to the Division. 0000003825 00000 n (j) Safety equipment, scaffolds and their components shall not be used with acids or other corrosive substances, or in corrosive atmospheres except when adequate precautions are taken to protect the scaffold from damage in accordance with recommendations of the corrosive substance manufacturer and the scaffold manufacturer. from its web site at, Subchapter 7. 0000024311 00000 n AVAILABLE NOW! Title 24 Part 2.5 The 2019 Edition of the California Residential Code (CRC) contains residential building design and construction requirements relating to fire and life safety, structural safety, and access compliance. Related Code Sections R310.2.2 Building Planning, Window Sill Height (3) Concrete. Let's see what others think. SLOPE OF STILL OR SURFACE Section R310.1 of the code explains the requirements for emergency escape and rescue. 3. The ability to trade off a more efficient mechanical system for other components of the building, however, is not included in the list of those permitted in the 2018 IECC. Section R703.4 of the 2018 IRC requires self-adhered membranes used as flashing to comply with AAMA 711-13 and fluid-applied flashing to comply with AAMA 714-15. %%EOF Posted 12 years ago. 41). Owners of buildings 36 feet or more in height shall have an Operating Procedures Outline Sheet (OPOS) where one or more of the following conditions apply to such buildings: A. In the Northern climate zones 6 to 8 (roughly corresponding with Wisconsin to Alaska), the U-factor is not to exceed 0.40. Ask him to reread the charging statement at the very beginning of the section, very clear where it applies. The specific section you reference is almost an exception allowing window sills in R-2 & R-3 to be lower, at 36", if they are provided with the control device described in 1013.8.1. Window opening control devices may provide a potential alternative (compared to a window guard) to meet minimum sill height code requirements contained in the 2006, 2009, and 2012 editions of the International Residential Code (IRC) and International Building Code (IBC). Ontario building code for windows. The minimum net clear opening height dimension shall be 24 inches. 0000007533 00000 n 2015 International Building Code (IBC) with Washington State Amendments. Any windows lower than 18 inches from the floor should have tempered glass. (Title 24, Part 2, Section 2-8502(b).). (4) Masonry. 29). This protects the kitchen from insects, car fumes, dust and high temperature. 0000080673 00000 n This information is provided free of charge by the Department of Industrial Relations 1498 0 obj <>stream The minimum opening area of the egress window is 5.7 square feet. The design loads of concern for vertical glazing are design wind load and impact resistance. 2. Tables R301.2(2) and R301.2(3) of the 2018 IRC give the design wind loads for glazed openings based on the design wind speed of the specific location where construction is to take place, the mean height of the building and its exposure to wind. window frame Min. If testing is the method used to determine structural adequacy of mullions, it is to be done in accordance with AAMA 450-10, Voluntary Performance Rating Method for Mulled Fenestration Assemblies. Beyond this, the amount of tradeoff that is permitted for fenestration when following the UA alternate method or whole building performance paths also continues to be capped in the 2018 IECC. Drive-through aisles shall have a minimum 10-foot interior radius at curves and a minimum 12-foot width. DG,#*dc(O/(JcZl$,U"|_'4/X`q>H 60#F,@fL)W"a2 fpS~\Ws~ V#.iJk\%n/rrAM`D`,@p}-nf(9~PutmJ R&m6 >,S66VRd\sLJ4u2. The Cayman Islands, Jamaica, Trinidad and Tobago, and the aforementioned Haiti all have adopted at a minimum the IBC and IRC. Manufacturers of window anchors and fittings shall submit to the Division all pertinent test and other data called for by this Order. (g) (1) In every building where window cleaning operations are performed in such a manner that a person stands on the sill in order to clean the window or works from the inside where the window opening is of such size that it would be possible to fall through the open window to the outside, there shall be installed window cleaning safety anchors or other anchorages approved by the Division. An egress window must comply with the following requirements in Southern California: Net clear opening: (at least) 5.7 square feet Minimum height: 24 inches Minimum width: 20 inches Sill height: no more than 44 inches from the floor Why Don't My Windows Meet Egress Requirements? Each dimension of the opening must be at least 380 mm. The written assurance shall consider, but not be limited to: window anchors and fittings; load sustaining capabilities of platforms, building components, hoisting and supporting equipment; stability factors for carriages, platforms and supporting equipment; maximum horizontal force for movement of carriages and davits; design of carriages, hoisting machines, wire rope and stabilization systems; and design criteria for electrical wiring and equipment. (7) Solid Metal. (9) Traveling on the outside of the building shall not be permitted where the sill or ledge is less than 6 feet wide unless it is possible to keep at least one window cleaner's belt terminal attached at all times. Inspector says turn on the light. 0000001874 00000 n The same SHGC cap of 0.50 that applies to vertical fenestration in climate zones 1 to 3 also applies to skylights. possessing Scaffold Inspection Testing certification as specified in Section 3296). Minimum height of opening: 24 in. A single-occupancy bedroom must have 70 square feet of floor space, with a minimum of 7 feet in one direction. TI[aW,KK1&;`A8ar"oeMLx{9z#Pgt{Wrfd;~KG; If the door is equal to or less than 50 percent glass, it is considered to be an opaque door. The 2018 IRC requires emergency escape and rescue openings (EEROs) in all sleeping rooms and in all basements with two exceptions: The requirements for sizes, locations, etc. The triangular openings at the open sides of a stair, formed by the riser, tread and bottom rail shall not allow passage of a sphere 6 inches (152 mm) in diameter. Electrical Panel Clearances | Requirements Explained! (f) Anchor Replacement. (a) Windows shall not to be cleaned from the outside or inside unless means are provided to enable such work to be done in a safe manner as provided in these orders. (B) All anchors and anchor fastenings shall be provided with means to prevent them from turning, backing off or becoming loose. Glass doors, by definition in the IECC, are considered to be those which are more than 50 percent glass in area. 1. 0 trailer <]/Prev 131229>> startxref 0 %%EOF 62 0 obj <>stream The specific section you reference is almost an exception allowing window sills in R-2 & R-3 to be lower, at 36", if they are provided with the control device described in 1013.8.1. If the point of intersection of a vertical line from the slope value with a horizontal line from the sill width value falls in the unshaded area, washing windows from a standing position on the sill is permissible. In Climate Zones 3 (South Carolina to Oklahoma) and 4 (Virginia to Tennessee) it was reduced from 0.35 to 0.32, except for Marine in Climate Zone 4. But, homes that are outside the scope of the prescriptive provisions of the 2018 IRC must be designed using the 2016 edition of ASCE 7. The other three compliance paths for residential construction in the 2018 IECC permit some tradeoffs in levels of energy efficiency from one building component to another. %PDF-1.6 % The only change here for the 2018 IRC is the use of the 2017 edition rather than the 2010 edition of the ASTM F2090. 0000014642 00000 n ), (4) Vertically pivoted or hinged windows to be cleaned from the sill shall have an unobstructed passage to the exterior sill that is at least 16 inches wide by 40 inches high. endstream endobj startxref (CBC 1015.1 and CRC R312.2) A fall prevention device is required where any window opening (measured at the window sill) is located more than 72 inches above the exterior finished grade, and less . Do the math. Specifically, ERI scores were increased from 55 to 61 in Climate Zone 5 and from 51 to 57 in Climate Zone 3. 0000024394 00000 n The sill height of emergency escape windows shall not be more than 44 inches above the interior floor. Components of exterior walls shall be fastened in accordance with Tables R602.3(1) through R602.3(4). Figures 1 and 2 show the maximum permitted U-factor and SHGC for vertical fenestration and skylights in low-rise residential construction when the prescriptive path of the 2018 IECC and 2018 IRC is used. This standard is as know as the Standard Specification for Window Fall Prevention Devices with Emergency Escape (Egress) Release Mechanisms. How to Size Ceiling Joists? (Title 24, Part 2, Section 2-8502(c)). The majority of states in the United States base their egress code on the International Residential Code (IRC). 1468 0 obj <>/Filter/FlateDecode/ID[<96E6B7F287667F4FABB3DD517F82A1F4>]/Index[1436 63]/Info 1435 0 R/Length 141/Prev 405955/Root 1437 0 R/Size 1499/Type/XRef/W[1 3 1]>>stream