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<br /> GHAPTER b - T'YPES O� GONSTRUGTION SEGTION 1503
<br /> �02.1 6ENERAL. Suildfngs and structures erected or to be erected, altered or extended in holght or area shail be WEATHER FROTEGTION 1007.6 AREAS OP REFU6E. Every req,uired area of refuge shall be accessfble from the space It serves by an �( I � �� E �I �
<br /> classifled In one of the five construction types defined in 5ections 6022 through 602.5. The bullding elements shall accessible mecr�s of egress. The maximum travel distance from an accessible space to an �-ea of refuge shall not SEGTION 1011 EXIT 516N5 �� � ��
<br /> have a fira-resistance rating not less than that speclfled In Table 601 and sxterior walls shail have a fire-resistance 1503.1 6ENERAL Roof decks shall be covered with approved roof coverings secured to tho buliding or gtructure In exceed the travel distance permltted for the occupancy in accordance wlth Sectlon 1016.1. Every reQulred area of 1011.1 WHERE REQUIRED. Exits and exlt access doors shall be marked by an approved exit sign readlly visible from
<br /> rating not less that that spec►fied In Table 602. accordanca with the prov(sions of this chapter. Roof coverings shali be desfgnad, installed and maintained tn refug� shall have direct access to a stalrway complying with Sections 1007.3 or an elevator comply►ng w►th Sectlon any direction of egress travel. �������fi I ��
<br /> 602.2 T'YPES I and il. Type I and II constructlon are those types of constructlon In whtch the building elements Ilsted In accordance w(th thfs code and the approved manufacturer's instructfons such that the roof covering shall serve to 100�.4. V�ere an elevator lobby Is used as an area of refuge,the shaft and lobby shall comply wlth 5ectfon 1022.10 f011.3 ILLUMINATION. Exlt slgns shall be internally or externally Illuminated.
<br /> 7able 601 are of noncombustfble materlals. protect the building or structure. for smokeproof enclosures axcept where the elevators are In an area of refuge formed by a horizontal exit or 1011.4 RAISED GHARAGTE}?AND BRAILLE EXIT 51GN5. A slgn stating EXIT in ra(sed characters and Braille and
<br /> 602.3 TYP� III. Type III �onstructlon Is that type of constructlon In which the exterior walls are of noncombustfble 15032 PLa5HIN6. Flashing shali be installed fn such a marmer so as to prevent molstur� enter(ng the wall and roof smoke barrler. complying wlth IGG AII'1.1 shall be provided ad)acent to each door to an area of refuge, an exterior area for �Q� I Q���� ���.
<br /> materials and tho Interior buliding elements are of any material permitted by thls code. �ire-retardant-treated wood through)olnts In copings,through molsture materlais and at intersectlons with parapet wails and other penetrat►ons 1001.6.1 51ZE. Each area of refuge shall be sized to accommodate one wheelchair space of 30 (nches by 48 fnches assisted rescue, an exit stairway, an exit ramp,an exlt passageway and the exlt dlscharge.
<br /> framing complying wlth 5ection 2303.2 shall be permitted within exterfor wail assemblles of a 2-hovr rating or less. through the roof plane. (�62mm by 121�tmm) for each 200 occupants or portion thereoP, based on the occupant load of the area of refuge ���i��TT, J�� ��2 o I
<br /> 602.4 TYPE IV. Tt�e IV constructlon (Ffeavy Timber,HT) Is that type of constructlon in which the exterlor walis are of t503.3 GOPIN6. Farapet walis shall be properly coped with noncombustible, waterproof materials of a wldth no less cmd areas s�rved by the ar�a of refuge. 5uch wheelchair spaces shall not reduce the reaulred means of egress �GTION 1012 HANDRAILS
<br /> noncombuetible mat�rials and the lnterlor bullding elements are of solid or laminated wood wfthout concealed spacea. than th� thickne�s of the parapet wall. width. Access to any of the req,ulrad wheelchair spaces in � area of refuge shall not be obstructed by more thcm lOt2.l WhIERE REQUIRED. Handra(Is for stairways and ramps shall be adeqyate in strength and attachment in
<br /> The details of Type IV construction shail comply wfth the provisions of this sectlon. Pfre-retardant-treated wood [P] 1503.4 ROOF DRAINA6�. Design and installatlon of roof dralnage systems shafi comply with the Internatlonal one ad)oining wheelchair space. accordance wfth Section I60'7.8. Handraits requlred for stairways by 5ection 100�1.15 shall comply wlth Sectlons 10122
<br /> framing complytng with Section 2303.2 shali be parmitted w(thin exterlor wall assemblies with a 2-hour rating or less. Plumbing Gode. 100"f.62 SEPAt2ATION. �ach area of refuge shall be geparated from the rema(nder of the story by a smoke barr(er through 1012,q. Handrails requirad for ramps by 5ection 1010.9 shall comply with 5ections 1012.2 through 1012.8,
<br /> 602.5 TYP� V. Type V construction (s that type of construction in which the structural elements, exterlor wails and [P] 1503.4.3 6UTTERS. Gutters and leaders placed on the outside of bulidings, other than 6roup iZ-3,private garages complying with Sectlon �OQ,or a horizontal exlt complying with 5ectlon 1025. Each area of refuge shall be designed 1012.2 fiEIC�fT. Handrail helght, measured above stalr tread nosings, or finfsh surface of ramp slope,shall be unlform, U
<br /> Intarior walls are of any materlal permitted by thls code. and buildings of Type V construct�on, shall be of noncombustible materlal or min(murn of 5chedule 40 plastic pipe. to mfnimlze the Intrusion of smoke. not less than 34 Inchas and not more than 38 inches. a ��, ��
<br /> 15035 ROO� VPNTILATION. Intake and exhaust vents shall be provlded In accordance wfth 5ectlon 1203.2 and the 100'1.63 TWO-WAY GOMMUNIGATION. Areas of refuge shall be prov(ded wlth a two way communicatlon system 1012.3 HANDRAIL GRASi'ASILITY. AII reqytred handralls shall comply wlth 5ectfon 1012.3.1 or shall provide equlvalent � ,-,�
<br /> GHaPTER I'7 - 5T'RUGTURAL 'T�5T5 AND SPEGI,4L INSPEGTIONS manufactures (nstallatlon instructions. complying wlth Sectlons 1007.8.1 and f0o7.8.2. graspablllty. �
<br /> SPEGIAL INSt'EGTIONS. Inspectlon of constructlon reaulring the expertlse of an approved spacfal inspector in order 1012.3.1 TYPE I. Handrails with a circular cross section shall have an outstde diameter of at least i-I/4 lnches and not
<br /> to ensure compllance with thls code and the approved constructlon documents. (see Gh�ter 17) GHAPT'E1Z 24 - 6LA55 AND 6LAZ1N6 SEGTION 1008 DOORS,6ATE5 AND TURNSTILES c�eater than 2 Inches. Wiere the handrail Is not circular, It shall have a perlmeter dimenslon of at least 4 inche� and O
<br /> ►'iO4.5 STRUGTURAL 065ERVATION. The visual observation of the structual sygtam by a registered design SEGTION 240b 5AFET`(6LAZIN6 1008.1.1. DOORS. Means egress doors shall meet the requlrements of this se�tion and 5ect►on 1020.2. not greater than 6-I/4 ►nches with a maximum cross-sectional dimenslon of 2-I/4 fnches and a minimum cross sectlonal � y
<br /> professlonal for general conformance to the approved constructlon documents at significant con�tructlon stages and 2406.1 HUMaN IMPAGT LOP�DS. Indivtdual glazing area, Including glass mirrors, in hazardous locatlons as defined ln 1008.f.1 SIZ� OP DOORS. The minimum wfdth of each door opentng �hall be sufflclent for the occupant load dimenslon of I Inch. Edges shall have a minimum radius of O.OI Inch.
<br /> at completfon of tha structural system. 5tructural obsevatlon does not include or walve the responsibility for the 5ection 2406.4 shali comply with 5�ctlons 2406.1.1 through 2406.1.4. thereof and shall provide a clear width of not less than 32 Inches (813mm). 1012.3.2 TYf'E II. Handrafls with a perlmeter greater than b-i/4 Inches shall provide a graspable finger recess area �
<br /> Inspection req,ulred by Section I10, I'104 or other sectlons of the code. 2406.3 IDENTIPIGATION 4� SAPE'fY 6LAZING. Except as Indicated In Sectlon 2406.3.1, each pana of safety glaz�ng IOOb.l.l.l. PRO.�GTIONS INTO G�AR WIDTFf. Thera shall not be pro�ectlons Into the required clear width lower o bath sides of the profile. The finger recess shall b8gin with a distance of 3/4 inch measured vertically from the
<br /> �"I052 ST�EL GONSTRUGTiON. The special lnspectlons for steel elements of bulidings and structures ahall be as Installed In hazc�dous locatlons shall be identlfied by a m�wfactur�r's d�slgnatfon specifying who applied tho than 34 Inches (Sb4mm) above the Floor or round. Pro)ectlons ►nto the clear opening wfdth between 34 inches tallest portl� of the proflle and ach►eve a depth of at least 5/16 Inch wlthin 7/8 Inch below the wldest portlon of the '""�
<br /> requlrad by 5ectlon I'I05.2 and Table 1�05.2.2. designation, the manufacturer or Installer and the safety glazing standard with whi�h it corr�lles, as weli as the (gb4mm) and 80 inches (2032mm) above the floor or ground shall not exceed 4 inch�s (102mrr�. proflle. Thls reqy►red depth shall contlnue for at least 3/8 Inch to a level that Is not less than I-3/4 Inches below the � _
<br /> I'105.3 GONGRETE GONSTRUGTION. The speclal inspectlons and verificatlons for concrete construction shall ba as informatlon speclfled in Sectlon 2403.1. The designatlon shall be acid etched, sand blasted, ceramfc fired, laser �pp8.12 DOOR SWIN6. Egress doorg shall be of the plvoted or s(de-hinged swinging type. tallest portlon of the proflla. The minimum width of the handrall above tha recess shall be I-i/4 Inches to a maximum �
<br /> requlred by thfs sectfon and Table 1705.3 etched, ambossed or of a typs that once applled, cannot be removed without befng destroyed. A label as defined In 1008.�.5 FLOOR ELEVATION. There shall be a floor or landing on each side of a door. 5uch fioor or landing shall be of 2-3/4 inches. Edges shall have a m(nimum radlus of O.OI Inch. �
<br /> I'f05.4 MA50NRY GONSTRUGTION. Masonry construction shall be lnspected and evaluated fn accordance with the 5ectlon 202 and me�ting the r�qylrements of this sectton shall be permittad in ileu of the marwfacturer's desl�nation, at the same elevation on each sid� of the door. Land(ngs shall be level except for exterlor landings, wh(ch are �012.4 GONTINUITY. Handrail gripping surfaces shall be contlnuous, without (nterruptlon by newel posts or other �
<br /> rec�ulrementa of thls sectfon, depending on the classification of the building or etructure or nature of occupancy as 2406.4 HAZARDOUS LOGATIONS. The locations speclfled In Sections 2406.4.1 throuyh 2406.4."i shail be considered permttted to have a slope not to exceed 0.25 unit vert►cal In 12 untts horizontal (2-percent slope) obstructions. CC�
<br /> defined by this code (5ee Table 1604.5 and Sectlon I61'1.61. speciflc hazardous locations raqulring safety glazing materlals. 1008.1.6 LANDINGS AT DO�S. Landings shall have a width not less than the wfdth of the atalrway or the door, 1012.5 PITTIN65. Handrails ehal� not rotate within their flttings. r )
<br /> I?OSS WOOD GONSTRUGTION. ecial ins ecttons of the fabricatfons rocess of efabrlcated wood structural 2406.4.1 6LAZING IN DOORS. Glazin in all flxed and o erable anels of swi in sl(din and blfold doors shall be 1012.6 HANDRAIL �XTENSIONS. Handralls shall raturn to a wall, uard or the walki surfaca or shall be contir�uous to �
<br /> Sp p P �' 9 P P n9 9� 9� whichever is the greater. g ^�
<br /> olements and assemblies shail be in accordance with 5ection I'f042. considered a hazardous ►ocatfons. 1008.1.'1 THRESHOLDS. Thresholdg at doorwa shall not exceed 3/4 Inch (Iq.lmrr� in het t for sliding doors servin the handrail of an adJacent stair flight or ramp run. Nhere handralls are not continuous between fllghts,the handraif
<br /> 1�05.6 SOILS. The s ec(al 1ns ectlons for existfn site soll conditions, fill lacement and toad-be�in re ulrements 2406.4.2 GLAZING ADJAG�NT TO DOORS. Glazl ln an Individual fixed or o erable anel ad acent to a door where � � g shall extend horizontally at I�ast f2 inches beyond the top riser and continue to slope for the depth of one tread ��I� i�OGK��� i
<br /> P P 9 P 9 a '�9 P P ) dwell(ng un(ts or 0.5 inch (12.�mm) for other doors. 1-�- � ���
<br /> shall be as re ulred this section and Table I'105.b. the nearest verticai e e of the lazin (s wlthin a 24-inch arc of elther vertical ed e of the door In a closed beyond the bottom riser. At ramps where handraile are not contlnuous between run�,the handralls shail extend �
<br /> a � � g g g 1008.1.8 DOOR ARRANGEMENT. 5pace batween two doors In serles shall ae 48 fnches (121qmm) minimum plus the width horizontall above the tandl 12 Inches minimum be ond the to and bottom of ram runs. The extensions of handralls i�v�R�TT, �f� ��20I
<br /> I'105.'I DRIVEN D�P FOUNDATIONS. Specfal Inspections shall be performed during Installation and testing of driven positlon and where the bo�tom exposad edge of the glazing Is less than 60 Inches above the wafking surface shall y n9 y p p
<br /> dee foundatlon elements as re ulred Table 1705.'I. be considered a hazardaus locatfon. of a door swinging Into the space. Doors in series shall swing elther In the same directlon or away from the space ghall be In the same directfon of the stair fllghts at stalrways and the ramp runs at ramps.
<br /> P a � between doors. �f�ION�: 42�.�I�1.80I 1
<br /> 1705b GAST-IN-PLAGE D�P POUNDATIONS. 5peclal Inspectlons shall be performed during installatlon and testing of 2406.4.3 6LAZIN6 IN WINDOYV�. blazing in an Individual fixed or operable panel that meets all of the Pollowing 1012."1 GLPARRNGE. Glear space batween a handrall and a wall or other surface shall be a minimum of I-II2 inches. A
<br /> 1008.I.q DOOR OPERATIONS. �ccopt as specifically perm�tted by thls section egress doors shall be readlly � �I g���
<br /> cast-in-place deep foundat►on elements as requlred by Table 1705.8. condit(ons shall be considered a hazardous location: handrail and a wall or other surface ad�acent to the handrail shall be frae of any sharp or abras(ve elements. �,��: L{.L �,'
<br /> I'105.4 4�LIGAL PILE POUNDATIONS. aclal ins ectlons shall b� erformed continuousl durin installatlon of helical I. Tho ex osed area of an Individual ane is reater than q s uare feat; openabl� from the egrass slde without the use of a key or special knowledge or effort. 1012.8 Pt20.�GTIONS. On ram s, the clear width between handrails shall be 36 tnchas minimum. Pro ections ir�o the
<br /> � P P y 9 P P 9 a P )
<br /> p(le foundatlons. 2. The bottom edge oP the giazing is less th� IS inches above the floor; IOOS.I.a.l HARDWARE. Door handles, pulls, latches, locks and other operation devfces on doors requ►red to be requlred width of sta(rways and ramps at each side shall not exceed 4-I/2 (nches at or below the handrall heic�ht.
<br /> accessible by Ghapter II shall not requlre tight grasping, t►ght pinching or twlsting of the wrist to operate. Pro ectlons Into the ra u►red w�dth shall not be I►mlted abova the minimum headroom hei ht re ulred In Section
<br /> I?05.10 SPEGIAL INSPEGTIONS POR WIND i�515TANGE: Itemized in Sactlons I'705J0.1 through I'I05.10.3 unless exempt 3. The top edge of the glazing Is groater than 36 inches above tha floor;and J q, g q,
<br /> IOOS.I.q.2 HARDWARE i-l�IGHT. Door handles,pulis, latches, locks and other operating devices ahalf ba Installed 34 IOOq.5. Pro ections due to Intermedlate handraiis shall not constltute a reductlon in the e ess width.
<br /> by 5ectlon I"I04.2. 4. One or more walking eurface(s) ara within 36 Inches, measured hor(zontally and in a strat�t Ilne,of the plane of � 9r
<br /> I'f04S.1 STRUGTURAL. OBSERVATIONS FOR SE�SMIG R�515TANGE. Structural observatlons shall be provided for those the glazing. inches (864mm) mfnimum and 48 Inches (12iqmm) maximum above the finished Ploor.
<br /> structures assigned to Selsm(c Design Gategory D, � or P, where one or more of the following conditions exist: 2406.4.4 GLP�ZI►� IN 6UARD5 AND RAILINC�S. 6lazing In guards and rallings, Including baluster panels and IOOS.I.�t.11 STAIRWAY DOORS. Interlor stalrway meang of egress doors �hall ba openabla from both sides without the �GTION 1013 6UARD5
<br /> use of a key or special knowledge or effort. 1012.1 WHERE REQUN�D. 6uards shall be located alon o en-slded waikin surfaces,mezzanines, e u( ment
<br /> I. The atructure Ia classiffed as Risk Gategory III or IY In accordance with Table 1604.5. nonstructural in-fill panels,regardless of area or height above a walking surface shall be considered a hazardous 9 p 9 a P
<br /> 1008.1.10 PANIG AND PIRE EXIT HARDWAf�. Doors servfng a 6roup H occupancy and doors serving rooms or p�atforms, stalrs, ramps and landfngs which are located more than 30 Inches (�62mm) measured vertically to the
<br /> 2. The helght of tha structure is greater than '15 feet (22 860 mm) above the base. Iocation. spaces with an occupant load of 50 or more In a Group A or E occupancy shall not be provlded with a latch or lock
<br /> 3. Tha structure Is ass�gned to 5elsm�c Destgn Gategory E, (s ciasslfled as Risk Gategory I or II In accordanca with 2406,45 GLAZING AND WET SURFAGES. 6lazing In walls, enclosures or fences contalning or facing hot tubs, spas, untess It (s cmic hardware or fire exlt hardware. floor or grade below at any polnt w(thin 36 Inches horizontally to the edge of the open side. Guards shall be
<br /> Table 1604.5,1 and greater than two storle9 above grade plane. wh(rlpools,saunas,steam pools, bathtubs,showers and lndoor or outdoor sv�imming poois where the bottom expos�d �lectrical rooms with e ul ment rated I 00 am res or more and over b Peet wide that contain overcurrent devices, adequate in strength and attachment in accordance wlth 5ection 1607.8.
<br /> 4. Y�en so deatgnated by the regfstered design professlonai responsible for the structural deslgn. edga of the glazing ls less than 60 In�hes measured vertically above any standing or walking surface shall be a p '� p 1013.3 FI�I6HT. Guards shall not be less than 42 tnches (IOb�mm) hlgh, measured vertica�ly as follows:
<br /> switching devises or control devices with exlt or exit access doors shall be eq,uipped wlth panic hardware or f(ra
<br /> 5. When such observatton is specffically requlred by the building official. considered a hazardous locatlon. Thfs shall apply to single glazing and all panes in multiple glazing. I. Prom the ad�acent walking surfaces;
<br /> exlt hardware. The doors shall swing ln the directfon of egresg travel.
<br /> I"f04.5.2 STR�JGTURAL OBSERVATIONS FOR WIND REQUIREMENTS: 5tructural observatlons shall also ba provided for 2406.4.b 6LAZING A�D.lAG�NT TD STAIRS aND RAMPS, Glazing ad)acent to the land(ng at the bottom of a sta►rway 2. On stairs, from the Ilne connecting the leading sdges of tha tread nosings;and
<br /> those structures sited where the baslc wlnd s eed exceeds I10 m h (4qm/sec) where one or more condltlons exfst: where the lazi Is less than 36 fnch�s above the landi and wlthfn 60 Inches hor(zontall of the bottom tread shall 3. On ram s, from the ram surface at the uard.
<br /> p p g � � y SEGTION IOOq STAIRWAYS p p g
<br /> see I. - 4. be consldered a hazardous locatlon. 101�.4 OPENING LIMITATIONS. Req,ulred guards shall not have openings which allow passaga of a sphere 4 Inches in
<br /> 1o0�{.I GEN�RAL. 5tairways serving occupied porttons of a buflding shall comply with the req,ufrements of this section.
<br /> 1704.2 The owner or registered design profes�lonal (n regponsible charge acting as the owner's agent shall employ 24065 FIRE DEPARTMENT AGG�55 PANELS. F1re department glass access panels shall be of tempered glass. Por dlameter from the walking surface to the req,uired guard helght.
<br /> one or mora a rovad a encles to erPorm ins ections durl constructlon on the t es of work Iistad under 5ection Insulati lass un(ts, all anes shall be tem ered lass. IOOQ.2 INTERfOR �XIT STAIRWAYS. Inter(or exit stairways shall fead directly to the exterior of the building ar shail
<br /> i�o5. pp g p p � yp SEGTIDN 2�'1 6LA55 IN HANDRAILS AND GUARDS be extended to the exterlor of the building wlth an exit passageway conforming to the req,ulrements of Section 1023, �GTION 1014 �XIT AGGE55
<br /> except as pormitted in Sectlon 102"t.l.
<br /> 2407.1 MATERIALS. Glass used as a handrail assembly or a guard sectfon shall be constructed of either single fully ���� y,�� �QUIRED. Interior exft stairways shali be included, as necessary, to meet one or mora means of 10►4.2 EGR�55 THROUGH INTERVENING SPAGES. Egress through intervening spaces shall comply with th(s sectlon.
<br /> GHAPTER IS - POOTIN�S AND FDUNDATIONS tempered glass, laminated fuity tempered glass or laminated heat-strengthened glass. Glaz�ng in railing in-flll panels e ress dasi n re ulrements, such as re ulred number of ex(ts or exlt access travel distance. I. �gress from a room or space shall not pass through ad�olning or intervening rooms or areag,except where
<br /> 1805.6 POUNDftTIDNS PLATF OR 51LL BOLTIN6. YVood foundatfon plates or silis shall be bolted or strapped to the shaN bb� of an approved safety glaz►ng materlal that conforms to the provisions of 5ectlon 2406.1.1. �or all glaz(ng �O�2� ENG�OSIJRE AII Interlor exit stalrwa s shall be enclosed (n accordance with the ovislons of 5action 1022. such ad)o►ning rooms or areas and the area served are accessory to one or the other, are not a Group H
<br /> foundatlon or foundatlon wall as rec{ulred In Ghapter 23. types,the minimum nominal th�ckness 5hall be I/4 inch. Wlly tempered glass and lam�nated glass shall comply with y � occupancy and provlde a d►scernible path of egros� travel to an exit.
<br /> IOOq.3 EXIT AGGE55 STAIRI^WYS. Pioor openings betw�en storfes creatod by exlt access etalrways shall be
<br /> SEGTION 1805 - DAMPPROO�ING AN1� WATERPROOFING Gategory il of GPSG Ib Part 1201 or Glass A of AN51 ZQ�.I. enclosed. 2. An exit access shali not pass through a room that can be lockad to prevent egress.
<br /> 1805.1 WFi�RE REQUIRED. Walls or portlone thereof that retaln earth and enclose interfor spaces and floor below IOOQ.4 WIDTH. The width of stalrways shall be determined as specified in Sectlon 1005.1, Iwt such wldth shall not be 3. Means of egress from dwelling units or sleaping areas shall not lead through other sleep►ng areas, toilet
<br /> grade shall be waterproofed and dc�npproofed In accordcmce with thls sectlon, with the exception of those spacas S�GTION 1005 ME,4N5 O� �6RE55 51ZIN6 less than 44 inches. rooms or bathrooms.
<br /> containing groupg other than residentlal and institutlonal where such omisslons are not detrimental to the bullding or 1005.1 all porticros of the means of et�ess system shall be sized In accordance with this sectlon. IOO�i.5 HEADRDOM. 5ta►rways shall have a minimum headroom clearance of 80 inches measured verticaily from a Iine �'• �gress shall not pass through kltchens,storage rooms, closets or spaces used for stmllar purposes.
<br /> occupancy. 1005.2 MINIMUM WIDTH BASED ON GOMPONENT. The minimum wldth, in Inches, of any means of egress components shall 10142.1. MULTIPLE TENANT5. Whara more than one tenant occuples ar�y one floor of a buiiding or structure, each
<br /> connecting the edge of the nosings. Such headroom ghall be continuous above the stalrway to th� pofnt where the Iine
<br /> Ventllation for under-floor spaces shall comply with Sectlon 1203.3. not be less than that specifled for such component,elsewhare in this code. Intersects the landing below, one tread depth beyond the bottom riser. The minimum cl�arance shail be maintained the tenant spaco, dwe►Iing unft and sleeping unit shall be provlded with access to the reqyired axits without passing
<br /> 18052 DAMPPROOFING R�QUIRED. V�ere hydrostatic pressure will not occur as determined by Sectlon Ib03.�.4, 1005.3 REQUIRED GAPAGITY SASED ON OGGUPANT LOAD. Tha reqytred capaclty, (n Inches,of the means of egress through ad�acent tenant spaces, dwelling units and sleeping units.
<br /> floors and walls for other than wood foundation systems shall be dampproofed in accordanca with thls sectlon. for any room, area, space or story shall not be less than that determined In accordance with Sections 1005.3.1 pnd full width of the stairway and landing.
<br /> IOOq.'7 STAIR TREADS AND RISERS. 5talr treads and rlsers ghall comply with Sectlons IOOq."(.I through 1009.'i.5.3.
<br /> 18052.1 �LOORS. 1^here lnstalled beneath the slab, dampproofing shall cons(st of not less than b-m11(0.006 Inch; 100�.3.2. SEGTION 1015 EXIT ANb �XIT AGGE55 DOORWAYS
<br /> 1004."I.2 RISER HEI6HT AND TREAD DEPTH. Stalr riser heights shail be 'i inches maximum and 4 Inches minimum. The
<br /> 0.152mm) polyethylene wlth�olnts lapped not less than 6 Inches (152 mm) 100�.3.1 STAIRWAYS. The capaclty, In Inches, of ineans of egrees stairways shall be calculated by multiplyfng the riser height shall be measured vartically between the nosfngs of ad)acent treads. Rectangular tread depths shali be �015.1 EXIT OR EXIT AGGE55 DOORWAYS. Two exlt or exlt access doorways from any space shall be provided where
<br /> 180522 WA�LLS. Dcunpproofing mater►als for walis shall be Installed on the exterlor surface of the wall, and shall occupant load served by such stafrway by a means of egress capacity factor of 0.3 inch per occupant. Wher� one of the following conditions exists:
<br /> II inches minlmum measured horizontally between tho v�rtical pianes of the foremost pro)ectlon of ad)acent treads I. TF19 OGGV ant load of ace exceeds the values in Table 1015.1.
<br /> extend from the top of the footing to above ground I�vel. Dampproofing shall consist of a bituminous materlal, 3 stalrways serve more than one story,on the occupant load of each story congfdered individually shall be used in � � Q r(ght angle to the tread's nosing. p �
<br /> ounds er s uare rd of acr Ilc modified cement, inch coat of surface-bondin mortar co I In wlth ASTM G88'1, �alculating the reaulrad capacity of the �talrways serving that story. 2. The common path of egress travel sxceeds one of the Ilmttatlons of Sectlon 1014.3.
<br /> p p q, ya � g mp y g IOO�i.'T.4 DIMENSIONAL UNI�ORMITY. Stair treads and risers shall be of unlform elze and shape. The tolerance
<br /> an of the materlals ermltted�or water roofin 5ection 1805.32 or other roved method or materlal. 1005.4 GONTIt�11TY. The capaclty of the means of egress reau(red from any story of a bullding shall not be reduced 3. YVhera reqyired by Sectlon 1015.3, 1015.4, 1015.5,or 1015.6.
<br /> y p p g by app betwean th� largest and smallest tread depth shall not exce�d 3/8 inch in any fUght oP stalrs.
<br /> 1805.4.2 POUNDATI�N DiZA�N. A drain shall be placed around the perimeter of a foundation that conslsts of gravel or Q�ong the path of egress travel unt11 arrival at the publ�c way. fOOa,'1.5.2 N051NG PRO.�GTION UNIFORMITY. AII nosing pro�ectlons of the leading edges shalf be of uniform gize, �015.1.1 THR� OR MORE EXITS OR EXIT AGGE55 DOORWAYS. Three exits or exit access doorways shall be provided
<br /> 1005.5 DISTRI�UTION OP EGRE55 GAPaGITY. Y�are more than one exit, or access to more than one exit, Is from ar�y gpace wfth an occupant load of 501 to I p00. Pour exlts or exit access doorways shall be provided from
<br /> crushed stone containing not more than lo-parcent materlal that passas through a No. 4 (4."(5 mrr� sleve. The drafn Including the pra)ectlons of the nosings leading edge of the floor at the top of a ffight.
<br /> ehall axtend a minfmum of 12 inches (305mm) beyond the outside edge oP the footing. The thickness shall be such that req,uired,the means of egress shall be conflgured such that the loss of any one exit, or access to one exit, shall not any space with an occupant load greater than �pOD.
<br /> IOO�i.'IS.3 90LID RISERS. Risers shall be solld.
<br /> reduce the availabie capaclty to less than 50 percent of the req,uired capacity. 1015.2 EXIT OR �XIT AGGE55 DOORWAY ARRANGEM�NT. Req,ulred exlts shall be located In a manner that make5
<br /> the bottom of tho drain is not higher than the bottom of the base under the floor, and that the top of the drain Is not IOO�f.B STAIRWaY L,4NDIN65. There shall be a floor landing at the, top and bottom of �ach stalrway. The wldth oF the
<br /> 1005.6 EGRE55 GONVERGENGE. Y�ere the means of egress from storles abova and below cornierge at an thelr availability obviou�. �xits shall be unobstructed at all times. Exit and exit access doorways shali be arranged In
<br /> less thc� b Inches (152mm) above the top of the footing. The top of the draln shall be covered with an approved landings shall not be less than the w(dth of stairways they serve. Every land(ng shall have a minlmum width measured
<br /> intermedlate level, the capa�ity of the means of egress from the point of cor�vergence shall not be less than the accordance with 5ectlons 1015,2.1 and 1015.2.2.
<br /> fllter membrane mater►al. Where a drain t�le or perforated plpe Is used, the Irniert of the plpe or tlle shall not be perpendicular to the dlrectlon of travel eqyal to the width of the stairway. V�era the stalrway has a stralght run the
<br /> sum of the reqyired capacitlas for the two ad�acent stories. 1015.2.1 TWO EXITS OR EXIT AGGE55 DODRWA�YS. N�ere two exits or exit access doorways are requlred from any
<br /> h►gher than the floor elevation. The top of�olnts or the top of perforatlong shall be protected with an approved depth need not exceed 48 in�hes. s�2o REGISTERED
<br /> fflter membrane materlal, The pipe or tlle shall be placed on not less than 2 Inches (51mm) of gravel or crushed stone 1005."f ENGRDAGHMENT, �ncroa�hments into the requlrod means of egress wldth shall be in accordance with tha IOOa.lO VERTIGAL RISE. A flight of stalrs shall not have a v�rtical rise greater than 12 feat betw�en floor levals portlon of the exit access, the exit doors or axlt access doorways shall be placed a distance apart eq,ual to not T
<br /> provislons of thls sectlon. less thc� one-half the length of the max►mum overall diagonal dimenaton of the building or area to be served, t
<br /> complytng wlth 5ection 1805.4.1, and shall ba covered wfth not less than b Inches (152mm) of the same materlal. or iandings. measured in a stralght Iine between exit doors or exit access doorways. � ��
<br /> 1805.4.3 DRAINAGE DISGHARGE: The floor base ar�d fovndatlon perimeter shall discharge by gravity or mechanical �GTION IDOb MEANS OP E6RE55 ILLUMINATION IOOq.l5 HANDRAILS. 5tairways shall have handralls on each side and shall �ompfy with 5ectlon 1012. VVhere glass Is t �
<br /> means into pn approved dralnage system that compiies with the Internatlonai Plumbing Gode or .�rfsdictlons code �pp6.l ILLUMINATION REQUIRED. The means of ess, includi the exft dischar e shall be illum)nated at all tlmes the �ed to provide the handrail, the hanc�all shall also comply wlth 5ectfon 240'i. S ER
<br /> re ulred ti t-11ne to storm s tsm. � � g � STATE OF WASHINGTON
<br /> a 9h � bullding space served by means of egress is occupled. SEGTION 1010 RAMPS
<br /> GHAPT�R 14 - �XTERIOR WALL9 1006.2 ILLUMINATION LEYEL. The means of egr�ss Illuminatlon level shall not be less than I footccmdle (11 lux) at the �OIO.I SGOPE. The provlsions of this sectlon shall apply to ramps used as component of a rr�ans of egress.
<br /> walking svrface. 1010.2 ENGL05UR�. AII interior exit ra s shall be enclosed In accordance with the a Itcable rovisions of 5ectlon
<br /> 5�G710N 1403 PERFORMANGE REQUIREMENTS mp pp P
<br /> 1403.2 V�ATHER PROTEGTION. �xterior walls shall rovide the buildi with a weather-resistant exterior wall 1006.3 EMER6ENGY POWER FOR ILLUMINATION. The power supply for means oP egress illuminatlon shail normally be �022, Exit accsss ramps shall be enclosed fn accordanc� with the provislons of 5ection IDOq.3 for enclosura of
<br /> p "g provided by the premises electrtcai suppiy. gta�,WQ s
<br /> envelope. 7he exterlor wall envelope shall (nclude fiashing,as descrlbed In Sactlon 1405.4. The exterlor wall y •
<br /> anvelope shall be deslgned and constru�ted In such a manner as to prevent the accumulation of water within the wall �n the event of power supply fallure,an emargency electrical system shall automatically Illuminate all of the foliowfng �010.3 SLOPE. Ramps used as part of a means of egress shall have a running slope not steeper than one unit 5G,4LE: A5 NOTED
<br /> areas:
<br /> i e of othar edestrian r s shall not be stee r than one
<br /> assembly by provlding a water-resistive barrler behind the exterlor veneer,as described in Sectlon 1404.2 and a vertical In 12 units horfzontal (8-percant slope). The s op p amp pa
<br /> I. A(sles and unenclosed egress sta(rways In rooms and spaces that rsqulre two or more means of ec�r-ess. ISSU� Df�T�: 3/28/2016
<br /> means for dralning water that anters the assembly to the exter►or of the voneer, unless it Is detormined that 2, Gorr{dors, interior ex�t stalrways and ramps and ex►t passageways in buildings required to have two or more unit In eight units horizontal (12.5-percent slope).
<br /> penetration of water behind the veneer shall not be detrimental to the buliding performance. f'rotectlon against exits. 1010.4 GR055 SLOP�. The slope measured perpendicular to the directfon of travel of a ramp shall not be steeper DR�WN: A�
<br /> condensatlon in the exterior wall ass�mbly shall be provfded In atcordance wlth 5ectfon 1405.3. 3. �xterfor egress corr�onents at other than th�ir levels of exlt discharge until exit discharga is accomplished �an one unit vertical In 48 units horizontal (2-percent slope).
<br /> 1403.4 PIRE RESISTANGP. �xterlor walls shall be fire-resistance rated as re�,ulred by other sections of this code wlth for bu(idings raqu(red to have two or more exits. 1010.5 YERTIGAL R15E. The rige for any ramp run shall be 30 Inches maximum. GH�GKED: 5�t
<br /> opening protoct�on as reqylred by Ghapter 7. 4. Inter►or ex�t discharge elements, as permftted in 5ectlon 102'i.l, in buildings req,ulred to have two or more IOID.6 MINIMUM DIMENSIONS. The minimum dimenslons of ineans of egress ramps shali comply with 5ectlons 1010.6.1
<br /> 1404.2 WAT�R-RE515TIVE BARRIER. A mfnimum of one layar of No. 15 asphalt felt, complying with ASTM D 226 for exlts. throu� 1010.6.3.
<br /> T�e I felt, shall be attached to the sheathing, wlth flashing as descrlbed In Sactlon 1405.4, in �uch a manner as to 5. Exterior landings as reauirad by 5ectlon 1008.1.6 Por exit discharge doorswca�s in buildings req,uired to have �DIO.6.1 WIDTH. The minimum wfdth of a means of egress ramp shall not bs less than that req,vlred for corrldors by �T�+15 PLAN AND D�SIGN IS RND R�MAINS
<br /> prov►de a contlnuous water-res►stfve barrier bahlnd the exterior wall venesr. two or more ex(ts. Sectlon 10182. The clear wldth of a ramp betwaen h�dralls, if provided, or other permisslble pro�ectlons ehall be THE PROP�RTY �� TH� ,�,R:HITEGTS AND
<br /> 1404.3 WOOD. Pactarlor walle of wood constructed shall be designed and construction in accordance with Ghapter 23. T},e emergency power systems shall provide power for a duratlon of not I�ss than 90 minutes and shall cons(st of � inch�s minimum. MAY NOT B� US�D WITHOUT PRiOR
<br /> 1404.4 MA50NRY. Exterior walls of masonry construction �hall be deslgned and constructed In accordance wlth this storage batteries, unit eqylpment or an on-site generator. The installation of the emergency power system shail be �n �010.62 HEADROOM. The minimum h�adroom in afl parts of the means of egress ramp shall not be less than SO GONS�ti� �ROM THE ARG+�iT�GT
<br /> sectlon and Ghapter 21. accordc�ce with 5ectlon 2't02. Inches.
<br /> 1404.5 M£TAL. Exterlor walls of formed steel construction,structural steel or 1(c�tweight metal alloys shall be 1106.3J ILLUMINATION LEVPL UNDER EMERC,ENGY POY�R. Emergency Ilghting facNitlea shall be arranged to provide �010.63 RESTRIGTIONS. Means of egress ramps shall not raduce In w►dth In the directfon oP ar�-ess travel.
<br /> deslgned In a�cordcmce with Ghapters 22 and 20 respectively. initlal illumionation that Is at least an average of 1 footcandle (II lux) and a minimum at any polnt of O.t footcandle (I �'o�ectlor� Into the req,uired rarr� and landing w(dth are proh(blted. Doors opening onto a landing shalt not reduce
<br /> 1404b GONGRETE. Exterlor walls of concreta construction shall be designed c�d constructed in a�cordance with the clear w►dth to less than 42 �nches. P E RM I T S ET
<br /> p lux) measured along the path of egress at ftoor level. Illuminat(on levels shall be permttted to decline to O.b �pg � p c�mp,polnts of turning
<br /> Gha ter ►q. 1010.'1 LANDIN65. shall have landl s at the bottom and to of each r ,entrance,exits
<br /> footcandle (b lux) average and a minimum at any polnt of 0.06 footcandle (O.6 lux) at the end of the emergency
<br /> J404.'I 6LA55-UNIT MA50NRY. Exterlor walls of glass-unit masonry shall be deslgned and constructed in accordance and at doors. Landings shall comply wfth 5ections IDIO.�.I through 1010.75. �
<br /> 1lghting time c�ration. A maxfmum-to-m(nlmum Illumination unlformity ratfo of 40 to i shall not be oxceeded.
<br /> with Ghapter 2l. 1010.'I.I SLOPE. Landfngs shal► have a slope not steeper than one unit vertical in 48 units horizontal (2-percent ���.i DATE ' D�SGRIPTION
<br /> L444.8 PLA5TIG5. Plastic panel,apron or spandr�l walls as defined In this code shali not be Ilmited In thlckness, �GTION IDO'I AGG�5516L� MEANS O� E6RE95 slope) In ar�y directfon, Ghanges ►n level ara not permltted. -- ;
<br /> prov(ded that such plastics and thelr assembles conform to the requlrements of Ghapter 26 and are constructed of �007.1 AGGE551BLE NIEAN5 OF EGRP55 REQUIRED. Accessible means of egress shall corrq�ly with thls sectlon. 1010.'12 WIDTH. The landing shall be at least as wids as the widest ramp run ad)oining the landfng. _ i 2.12.16 �OR BID
<br /> approved weather-reslstant materlals of adequata strength to resist the wlnd �oads for cladd►ng specifled in Ghapter 1010.7.3 LEN6TH. The landl len h shall be 60 Inches minlmum. -
<br /> Accessible spaces shall be provided with not less than one accesslbie means of egress. Y�here more than one � � { i �OR PERMIT
<br /> 16" means of egress Is reqyired by 5ectlon 1015.1 or 1021.1 from c�y accessfble spaca. each accessible portfon of the �010.8 RAMf'GONSTRUGTION. All ramps shall be bullt of materlals consistent wlth the typeg permitted for the type of ! 3.2a.f6 i
<br /> 1404.9 VINYL 51DIN6. Vinyl siding shall conform to the raquirements of ASTM D 36'iq by an approved Qua�lty controi �ace shall ba eerved by not lass than two accessible means of egress. construction of the buliding, except that wood handralis shali be permitted for alf types of constructlon. - I
<br /> agency. 100'72.1 ELEVAtORS REQUIRED. !n buildings where a requfred accessible floor is four or more storles abova or �OIO.8.1 RAMf'SURPAG�. The surface of ramps shall be of sli�-reslstant matertals that are securely attached. ,
<br /> 1404.10 PIBER-GEMENT 51DING. �iber-cemont siding shall conform to the requlremenks of ASTM G 1186, Type A and ��ow a level of exit discharge, at least one required accessible means of e�ess shall be an elevator complying �010.8.2 DUTDOOR GONDITIONS. Outdoor ramps and outdoor approaches to ramps shalt be designed so that water �
<br /> shall be so Identified on labet►ng Ilsting an approved q,vallty control agency. wtth 5ection 100�.4. wlll not accumulate on walking surfaces. ; �
<br /> 1404.11 EXT�RIDR INSULATION AND �INISH SYSTEMS. Exter►or Insviatlon and finfsh systems (EI�S) w(th dralnage shail �00�.3 STAIRYVAYS. An enclosed exit stafrway, to be conaidered part of an accesslble means of egress, shali have �010.9 HANDRAILS. Ramps with a rlsa greater than 6 Inches shail have hancU-ails on both sldes. Handrails shall comply � '
<br /> compiy with Section 1408. wlth Section 1012. �
<br /> a cl�ar w►dth of 48 Inches (121qmm) min(mum between handrails and shall either incorporate an area of rePuge within
<br /> SEGTION 1405 INSTALLATION O� WALL GOVERIt�S an enclosed floor-level landing or shall be accessed from elther an area of rePuge complying with 5ection 1007.6 or �Of0.10. �D6E PROTEGTION. �dge protectlon complying wlth 5ectton 1010.10.1 or 1010.10.2 shall be provided on ;
<br /> 1405.2 Y�ATHER PROT'�GTION. �xterlor walls shall prov(do weather protectlon for the bullding . The materlals of each slde of ramp runs and at each side oP ramp landings. ___
<br /> a hor(zontal exit.
<br /> the minlrrwm nominal thickness specifled In Table 1405.2 shall be acceptable as approved weather coverings. 1010.10.1 GURB,RAIL, WALL OR BARRIER. A curb,rall, wall or barrler shall be provided to serve as edge protectlon. I I
<br /> IDO'f.4 ELEYATORS. An elevator to be considered part of an accesslble means of egress shall comply wlth the �
<br /> 1405.3 VAPOR RETARDERS. Glass I or II vapor retarders shall be provided on the Interior side of Framed walis In A curb must be a minimum of 4 Inches in height. Barriers must be constructed so that the barrler prevents the
<br /> Zones 5,6,i,8 and Marine 4. The appropriate zone ahall be selected in accordance with Ghapter 3 of the Internatlonal gmergency operation and signaling davice reqylrements of Sectlon 2.27 of ASME AI�.I. Stanc�y powa� shall be agg of a 4-inch-dlameter s here,where a ortion of the s here (s within 4 inches of the floor or ound
<br /> Enorgy Gonservatfon Gode. provlded 1n accordance with Gh�ter 2'i and 5ection 3003. The elevator shall be accessed from elther an area of gu�a� p �p p � �
<br /> 1405.4 FLASFfIN6. Plashing shall ba Installed fn such a marmer so as to prevent molsture from entering the wall or to refuge complying with 5ection 1007.6 or a horizontal exit.
<br /> 1010.10.2 EXTEND�D PLOOR OR 6ROUND 51J�AG�. The floor or ground surface of the ramp run or landing shall
<br /> redirect It to the exterlor. �lashing shall be ►nstalled at the perimeters of �xterlor door and window assemblles, extend 12 fnches minimum beyond the Insfde face of a handrall complying with 5ection 1012.
<br /> penetratfons and terminatlons of exterior wall assembl(es,exterlor wall Int�rssctions wlth roofs,chimneys,porches, 1010.11 GUARDS. Guards shall be provided where req,uired by 5ectlan 1013 and shall be constructed in accordance
<br /> decks,balconies and sfmilar pro�ections ca�d at bui�t-In �tters and slmllar locatlons where molsture could enter the with Sectlon 1013.
<br /> wail. Plashfng with pro)ecting flanges shall be Installed on both sides and the �nds of copings,under sills,and
<br /> continuously above pro)ecting trim.
<br /> ( i�G G��l��'�L NOT�S
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