The intent of this section is to provide a level of safety or prevention measure that will protect small children from falling out of an open window. 0 41 in. 0000014306 00000 n Yr/_|yE/L^PQl\Cwrfw/_ '/N|p.lL 1(pTE)}m3j\xr3)\zr537O&^HvMu[nbE..A7c u46+@ly+D}:&%4p}no~E9=>h8qQ5\ Anchors attached to concrete poured-in-place in buildings erected after October 3, 1955 shall be installed while the concrete is being placed. (1) Locations. The standard requires the fall prevention devices to be such that a 4 inch diameter sphere cannot pass through it. California Residential Code 2019. 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 Where joists, trusses, or rafters are . The minimum net clear opening is 5.7 s.f. It permits a relaxation of Article 9.9.9.1. provided that the storey in contravention of Article 9.9.9.1. is served by an openable window of stated dimensions. A typical house window is 3 . (Title 24, Part 2, Section 2-8503(a)2. This Tip Sheet reflects code requirements of the 2015 International Residential Code (IRC) and the 2015 International Building Code (IBC) with Washington State Amendments. Local Amendments to Building StandardsOrdinances The Building Permit Fee All you need to know about the Building Standards Administration Special Revolving Fund (BSASRF), also known as The Green Fee or SB 1473. Anchor nuts shall be tamper proof. Limit framing to a maximum of one pair of king studs per window opening. The minimum opening height is 24" and the minimum width is 20 inches. 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 from its web site at, Subchapter 7. Fun Tip:To learn about Egress Window Requirements per the International Residential Code (IRC), be sure to check out thisPOST. However, for example if the window is operable, the grade on the exterior is greater than 72 inches in height, but the sill height is 40 inches in height at the interior, then no prevention is necessary since the interior sill height is not less than 24 inches. 0000005633 00000 n 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. ft. 2. In Brick--At brick joint, not less than 8 inches from building face. One of thesedesignated the UA alternate methodonly permits tradeoffs between different elements of the building envelope. Finished sill height shall be not more than 44 inches above the finished floor. hbbd```b``.@$'v) "9UHv]0L1XM+4eG@8-i l|0i^fTz`z[9@L 3 Typically, the EERO requirements are met with operable windows or doors. * Reference Source 2018 International Residential Code [Buy on Amazon]. Up until recently the Building Code of Australia's only requirement in relation to bedroom windows - those most at risk of children climbing through them - is that the window must possess a sill height of 865mm if the fall from the bottom of the window to the ground below is 4 metres or more. 0000019925 00000 n 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. 3 0 obj Furthermore, at least half of the ceiling must be 7 feet tall, minimum. 41). ), (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. ), (h) Lag screws shall not be used in new or replacement installations. 0000032359 00000 n You must log in or register to reply here. Fixed or operable windows must include safety glass if they measure larger than 9 feet square, the bottom edge is less than 18 inches above the floor, the top edge is more than 36 inches above. 2. This component serves as a collection device to drain incidental water to the exterior of the building and should be properly sealed to the opening. The code regulates this minimum sill height only when the window . R310.2.3 Window wells. (e) All employees cleaning windows shall use safety devices and equipment as required herein. For a simple residential building or house, a minimum of 15 % area of the room is allowed to provide for window openings. window frame Min. endstream endobj startxref Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. All safety devices and parts of such equipment, including related building support structures, shall be inspected and where necessary, tested to determine if they are safe to use or operate. (C) 1. (5) The maximum width of a double-hung or single-hung window to be washed while standing on sill or ledge, supported by an anchor on either side of the window is 6 feet. ~9. All Rights Reserved. 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. %%EOF 0000035967 00000 n 0000003399 00000 n When anchors are employed with separate bolt(s), the preceding conditions will apply, provided that either two machine or carriage bolts are employed, or certain special anchor types have one bolt with screws to prohibit anchor movement. In fact, they can be even lower if you have window guards or if the window is not operable. The standard also requires the device to have an emergency release mechanism that can be operated without a key, tool, or any special knowledge thereby ensuring for a quick release in case of an emergency where the opening is required for escape and rescue situations. 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. Does anyone 'know' of an building code approved window for above tub use?? 1) For the purposes of compliance with the standard referenced in Clause 9.7.4.2. (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. (5) Masonry and Concrete. The minimum egress window opening height is 24" high. A flashing component installed in the sill of the rough opening underneath the door. A building does not have established window cleaning system or procedures meeting the requirements specified in Articles 5 and 6, or, B. %PDF-1.7 % %PDF-1.6 % (e) Inspection of Anchors and Fittings. Privacy Policy, 2018 International Code Requirements for Windows & Doors, Next-Gen Glass Can Save Billions in Energy Costs, IBS showcases opportunities for windows and doors, Q+A with Quanex | Rebounding and Rebranding. }> W)Sqq. Lets take a look at when it is necessary to comply with this section and how you can achieve compliance. (Title 24, Part 2, Section 2-8503(a)8.). 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. Egress windows provide emergency exits to homeowners in case of fire or other life-threatening situation. If not, you must specify the angle degree when placing your order. Manufacturers of window anchors and fittings shall submit to the Division all pertinent test and other data called for by this Order. hk\J}QbudH=?yYURGvr C"u}WnpC=q%bvOP!bJ9`RZ?F[KBP}jHj/iCV~'f_'_Y^}W[?vaZ>UOwn'X}=o_nO?~toO|}{wHU/}_m'd?}gVsovR~x_}??/o!5?{s{_o^[\//oSo377>[Oom2?|\Q:0tpC8C rhq)zJ8EYk5Ur22SJl)5kbuJr,6^[8n4a2uTQPgyhr'Trs~^:pW7r10ed` Me"'`b-qN]9l'I*Uooj?6)v7G#?}+[3l|(32.#=jOXRzb 6l,;>[:f{6u#0Bg[m[~=\O5YGMVdM$_8O4 :#C5O'S >s3 OHfck>)I1N9X!/31)89mCUggqX,vkJ1Y}9$+vgw1ct8}y9~xuyms]qO$cu52#gNJ;6,f1-1SLhBvO|/^~VY/{KnS8xt)^z=K>.-fjE0{AV!kAnV`tCBgg.Lo@Sj$h6^}{2,TTLD5 V_'flG}mQN!3k=Md|BMp&L#Jg! ^&co^aBh)r.,cy5z(04lyAm&VF>@Vh#,SVnX$Gs7!?2#' d2Yq@Fh`X yl\8EgZo6O)p2c7dEk`6\CKkW5_O"M;^{ #*&zm]::cf4=iRF,d$a n The 2018 IRC also recognizes the AAMA 506 certification label tab as evidence that a product has been tested appropriately (see section R609.6.1). The Caribbean Community and Common Market (CARICOM: 15 Carribean counties) use the IBC, IMC, IPC and IECC as base documents for that regions regulations. 344 Maple Ave West Copyright 2023 Building Code Trainer, All rights reserved. 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. The emergency escape window or door shall have a minimum net clear openable area of 5.7 square feet with a minimum net clear height of 24 inches and a minimum net clear width of 20 inches. The horizontal area of the window well shall be not less than 9 square feet (0.9 m2), with a horizontal projection and width of not less than 36 inches (914 mm). 37). 2. But as of 1st May 2013 that has now changed. When all 3 of these conditions apply to your window, fall protection must be required. This standard is as know as the Standard Specification for Window Fall Prevention Devices with Emergency Escape (Egress) Release Mechanisms. A building's original window cleaning procedures prepared in accordance with the requirements in Articles 5 and 6 have been changed because of building modifications, or. Window cleaning includes operation(s) of washing, wiping or other methods of cleaning windows, window frames, curtain wall components, building panels, etc. Any windows lower than 18 inches from the floor should have tempered glass. endobj 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. Window fall protection: Where the sill height above finished grade on the exterior side of an operable window opening is greater than 72 inches, and the sill height above the finished floor on the interior side of the operable window opening sized window for 34 in. (local codes prevail) Requirements for energy performance in both residential and commercial buildings are spelled out in the 2018 IECC. _#|*A.s9,Qt0?>x_P:d4&f*\PN8$U77[!t0Go-g#j.r@@~1o+O Section R301.2.1.2 of the 2018 IRC outlines the locations where impact-resistant products are required. Section R312.2.1 of the 2012 International Residential Code located on page 91 explains that the lowest part of the actual window opening shall be no less than two . And, don't see anything in the sections that says "children" Some adults have small parts. The control device should have an emergency release mechanism that allows it to release thus allowing the window to fully open so that it does not reduce the net clear opening area of the window to be less than what is required for egress per Section R310.2.1. 0000007999 00000 n (Title 24, Part 2, Section 2-8503(a)4. When the escape opening is a window, the sill height must be no more than 44 inches above the floor. In the 2018 IECC (Table R406.4), there was an increase in maximum ERI scores from 51-55 to 57-62. To Learn more about window fall protection requirements, be sure to check out Section R312.2 of the 2018 International Residential Code (IRC). 0000082745 00000 n Sill pans have upturned walls along the interior edge and at both ends, creating a three-sided box. PKn(\g %#@or(S54SbX%0 M cnLUG1:(!"bpf?&(/4 b2`ji"re;rMC&Nf`MYA]7cXPP.t)&DU.q NI))X,iCfXc~`O*@V HM ? 0000024394 00000 n (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 2015 IBC contains requirements for minimum sill heights for operable windows in apartments, townhouses, duplexes and single-family homes. ), (7) Stationary panels up to 5 feet in width may be cleaned by standing on a sill or ledge (See Figure 1 for width and slope restrictions) while supported by anchors on each side of the panels if access is provided via an openable panel adjacent to the stationary panel. For this reason, the National Association of Home Builders (NAHB), Roofing Contractors of America (RCA), and other groups, lobbied to not have them brought into the 2018 IRC. An OPOS that requires structural modifications to the building or existing building maintenance equipment shall have such modifications designed by a mechanical, structural or civil engineer currently registered in the State of California with experience in the design and installation of such equipment. http://i.telegraph.co.uk/multimedia/archive/02101/pensioner-fence_2101479i.jpg. The pass/fail criterion for windows, skylights and sliding glass doors remains at 0.3 cfm per square foot. 0000003860 00000 n The Energy Rating Index (ERI) path. Amendment of subsections (a)(8), (b)(1) and (2), (d)(2) and (5) filed 9-12-85; effective thirtieth day thereafter (Register 85, No. ), (2) Anchors shall be installed on the inside of a window which is to be washed from the inside but presents a hazard of falling through to the outside, as defined in Section 3282(g)(2). I 'want' to have a window above the tub shower but building inspector says NO window. max. Tempered glass would be required if the window glass was within a certain distance . Page 1 of 2 Window fall protection: Where the sill height above finished grade on the exterior side of an operable window opening is greater than 72 . At first glance, you might assume that a 20-in. Drive-through aisles shall have a minimum 10-foot interior radius at curves and a minimum 12-foot width. 1. Answer:The BC Building Code is a provincial regulation for new construction and building alterations, establishing minimum standards for safety, health, accessibility, fire and structural protection of buildings, and protection of the building or facility from water and sewer damage. 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 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). 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. Double-hung, single-hung or counterbalanced windows shall have a minimum passage 21 inches wide and 30 inches high from the sill. Where a window is provided as the emergency escape and rescue opening, it shall have a sill height of not more than 44 inches (1118 mm) above the floor; where the sill height is below grade, it shall be provided with a window well in accordance with Section R310.2.3. All such tests shall be conducted as required in Section 3296(b). (DEGREES BELOW HORIZONTAL). clear opening width 24 in. All anchors and hardware shall be of Type 303, 304, or 316 stainless and shall meet or exceed the material requirements of these orders. NOTE: Assuming that the window cleaner could work from the inside alternately from casement panels on each side of the stationary panel, this would mean that a 5 foot width of stationary panel would be the maximum width that could be handled in this manner without anchors. The provisions for dead loads in Section R301.1 of the 2018 IRC are also based on ASCE 7-10; there are no significant changes to the dead load requirements for fenestration in the 2018 edition of the IRC. if the area of the room is 100 sq. 4. (9) The use of expansion shield anchors is prohibited. U-factor is to be determined in accordance with National Fenestration Rating Council (NFRC) 100-17 or by use of a default table in the 2018 IECC. Also, the National Building Code requires the sill height from the floor to be no more than 1,500mm (59 inches), while the Ontario Building Code requires the sill height to be no more than 1,000mm . 0000032841 00000 n Those dimensions would yield a net clear opening of only 3.3 sq. 37). 0000006801 00000 n Minimum height from finished floor to sill with exterior deck height same as interior. 29). Unit 272 In the Northern climate zones 6 to 8 (roughly corresponding with Wisconsin to Alaska), the U-factor is not to exceed 0.40. The window is provided with a fall prevention device that complies with ASTM F2090. 8 0 obj <> endobj xref 8 55 0000000016 00000 n (Title 24, Part 2, Section 2-8503(a)9. The drilled hole shall be no more than 1/16-inch larger than the bolt, and any excess bolt thread shall be cut off and the thread peened over or upset to prohibit the nut from loosening or being removed. The minimum opening area of the egress window is 5.7 square feet. Where windows are provided as a means of escape or rescue, they shall have a finished sill height not more than 4ches above the finished 4 in floor. 2015 International Building Code (IBC) with Washington State Amendments. endobj If the sill height is below grade, the window must have a window well. stream NOTE: Authority cited: Section 142.3, Labor Code. The whole building performance path, and. (Title 24, Part 2, Section 2-8503(a)6. Specifically, ERI scores were increased from 55 to 61 in Climate Zone 5 and from 51 to 57 in Climate Zone 3. 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. 2 0 obj (CRC R602.3.1) 3. Related Code Sections R310.2.2 Building Planning, Window Sill Height Ridge Board Size | Code Requirements Explained, Residential Guardrail Height Requirements. x=ko9?4X@}z!0`'Ll|-%$WR%Y&YbX/ROe_Yyt}EY / h]' @4^~=j3Y";,hCJ|i0sk 1_nauBY5fqMdc*JUc~C}5>$j$$9Q$$T!TyM::ko\OPO4aU3efH@0xVBu#osgm|,[ve\'a?Gh%a-kn$hd&Y44=Ni0SLY+v&ik~.RY>M}0P?$o.v!lUaT]v\V0L)H/e-} om?|>|.DlH7A8A*?4~Xf!\6R\Fm?G\xW8@Eo0_ozdutHR8.KRKu4T Sill plate. Bearing studs. (2) The manufacturer or authorized representative, of any window unit intended for installation in new construction or remodeling shall submit evidence satisfactory to the Division that the complete installation with approved anchors has successfully withstood the drop test specified in paragraph 4.5.3(d)(2) of ANSI/ASME A39.1-1991, Safety Requirements for Window Cleaning, which is herein incorporated by reference, without failure of the frame at the point of attachment of the anchors and without detachment of the window unit from its attachments to the wall section. 0000007533 00000 n 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 sill height cannot be more than one metre (the exception to this rule is egress windows in basements). The top of the sill height is located more than 72 inches above the finished grade below on the exterior side. clear width 44 in. The prescriptive path is the simplest to use. 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. The prescriptive path for residential construction establishes maximum permitted U-factor and solar heat gain coefficient (SHGC) requirements for fenestration (Table R402.1.2). 0000014642 00000 n (In other words, an enclosed porch 5 feet wide will never qualify.) The window opening shall be limited to not allow the passage of a 4 inch diameter sphere to pass through. ]N The OPOS shall be written in manner that can be readily understood by employers. (Title 24, Part 2, Section 2-8502(b).). <> The sill height must not be more than 44" above the floor. 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. (B) All safety devices and equipment considered in the written assurance shall be inspected at least every 12 months. We Recommend Home Hacks & Answers Ohio Building Codes for Adding Egress Windows Home Hacks & Answers Height of Kitchen Windows Home Hacks & Answers The 2018 IRC did not change the specific requirements for factory-built unit skylights as laid out in the previous edition but for reference to the 2017 edition of the AAMA/WDMA/CSA 101/I.S.2/A440 (NAFS-17). 3. While they are not a new concept, the standards and regulations associated with where they are needed and what sizes are required have changed. Seems like the code is clear where it is required, I might look at that section for a child day care facility classified as a Group E under 308.6.1. 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. OPENABLE WINDOWS Section 1015.8 of the Los Angeles Building Code (LABC) and Section R312.2.1 of Los Angeles Residential Code (LARC) require that in residential occupancies, when the sill portion of an operable window is located more than 72 inches above the finished grade or other exterior surface below, a from bottom of clear opening to floor in egress windows in sleeping rooms 34 in. The 2018 IECC permits glazing in thermally isolated sunrooms to have a maximum U-factor of 0.45 in climate zones 2 to 8. The minimum window-sill height requirements are intended to reduce the number of injuries from falls by children through open windows. 0000004684 00000 n sill height, sill level, lintel, lintel level . (o) No employee shall be permitted to work from, stand or walk on any surface that is not rated for such live loading by the building's engineer of record and/or a building official. This bulletin can be downloaded from the AAMA online store, aamanet.org/store. 0000002829 00000 n For each additional person occupying the same room, add 50 more square feet. by 24-in. 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!. Amendment filed 9-12-85; effective thirtieth day thereafter (Register 85, No. 0000002976 00000 n 3. General Industry Safety Orders, https://www.dir.ca.gov/od_pub/disclaimer.html. 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 In Climate Zones 5 to 8 (Ohio to Alaska) it was reduced from 0.32 to 0.30. The minimum clear opening width dimension shall be 20 inches. Flashing requirements found in Section R703.4 did not change in the 2018 IRC; however, the editions referencing some AAMA standards for flashing were updated. 0000038301 00000 n Where a window is provided as the emergency escape or rescue window opening it shall have the bottom of the clear opening not greater than 44 inches above the floor; where the sill height is below grade, it shall be provided with a window well in accordance with Section R310.2.3 (6) Hollow Metal. 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. The intent of this later provision is to permit windows that are equipped with WOCDs to also be used to meet the EERO requirements of the 2018 IRC. You may want to go to the start of the section under 1013.1 which is for guards. (Title 24, Part 2, Section 2-8502(c)). 2. Although opaque doors are included in the definition of fenestration area in the 2018 IECC and 2018 IRC, they are assigned a maximum U-factor of 0.35, separate from the U-factor requirements for vertical fenestration. The minimum distance from the face of the building for bolt installations when the bolt is placed in a reveal shall be as follows: In Reinforced Concrete--2 1/2 inches if secured to reinforcing steel. ), (11) Traveling methods that comply with these regulations shall not be permitted on ledges or sills less than 6 feet in width unless double-headed anchors or 2 single-headed anchors with separate usable heads are provided on each side of all windows in the series, along with at least one openable panel to afford a safe, convenient means of access. Minimum net clear opening: 5.7 sq. 4 0 obj The 2018 IRC continues to require the bottom of openings created by operable windows to be a minimum height of 24 inches above the adjacent interior floor when they are more than 6 feet above the grade outside the window. 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. It is imperative that the builder, code official, manufacturer and anyone else involved in choosing or approving the windows, doors or skylights for a particular residence be aware as to whether the 0.6 conversion factor is appropriate or not, and which set of provisions is being used to determine the design wind pressures for the home. except on the ground floor where it must be 5 s.f. 0 endstream endobj startxref (7) Solid Metal. When the distance is from 6 feet to 8 feet wide, anchors are required unless there is a railing or parapet at least 2 feet high. If installing a wood pocket window or sash replacement kit, these products Section R312.2 of the 2018 International Residential Code outlines the minimum requirements for window fall protection and when it is required. 41). (Title 24, Part 2, Section 2-8503(a)7. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. (Title 24, Part 2, Section 2-8503(b).). Contractor's Assistant: OK. Tell me a bit more about what's going on so we can help you best. Fun Tip:To learn the difference between the International Residential Code (IRC) verses the International Building Code (IBC), be sure to check out thisPOST. 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. 0000035504 00000 n (1) Anchor Side Clearance. Ropes that have been contacted by the heat-producing process shall be considered to be permanently damaged and shall not be used for scaffold support. This reliance on the International Codes has now spread to other countries, including Georgia (Eastern Europe), Mexico, Columbia and Honduras. SI(dr8pM|/9YuiKZ$q%4^. 0000095442 00000 n AAMA, the Window & Door Manufacturers Association (WDMA), Fenestration Manufacturers Association (FMA) and Doors & Access Systems Manufacturers Association International (DASMA) published a technical bulletin (TB 11-1) on this topic. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code. SECTION R302 FIRE-RESISTANT CONSTRUCTION arrow_right SECTION R303 LIGHT, VENTILATION AND HEATING arrow_right SECTION R304 MINIMUM ROOM AREAS arrow_right SECTION R305 CEILING HEIGHT arrow_right SECTION R306 SANITATION arrow_right SECTION R307 TOILET, BATH AND SHOWER SPACES arrow_right SECTION R308 GLAZING arrow_right
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