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Detailing)Considerations)
for)Multi2Story)Wood)
Frame)Buildings)
Presented(by:(Lisa(Podesto,(PE,(MS(Senior(Technical(Director(
“The(Wood(Products(Council”(is(a(Registered(Provider(with(The(American(Institute(of(Architects(Continuing(Education(Systems((AIA/CES),(Provider(#G516.((!Credit(s)(earned(on(completion(of(this(course(will(be(reported(to(AIA(CES(for(AIA(members.(Certificates(of(Completion(for(both(AIA(members(and(nonQAIA(members(are(available(upon(request.(((
This(course(is(registered(with(AIA(CES(for(continuing(professional(education.(As(such,(it(does(not(include(content(that(may(be(deemed(or(construed(to(be(an(approval(or(endorsement(by(the(AIA(of(any(material(of(construction(or(any(method(or(manner(of(handling,(using,(distributing,(or(dealing(in(any(material(or(product.(___________________________________________
Questions(related(to(specific(materials,(methods,(and(services(will(be(addressed(at(the(conclusion(of(this(presentation.((
(
Course)Description)
This(seminar(will(provide(an(overview(of(detailing(issues(related(to(the(design(of(fourQ(and(fiveQstory(woodQframe(buildings(under(the(International*Building*Code.((Provided(by(an(expert(in(wood(design(and(engineering,(it(will(cover(common(detailing(choices(related(to(fire(and(life(safety,(such(as(detailing(at(exterior(walls,(as(well(as(balconies(and(shafts.(Examples(of(various(building(configurations(and(site(layouts(will(be(used(to(illustrate(common(detailing(choices.(
Learning)Objectives)
1. Evaluate(examples(of(midQrise(buildings(with(an(emphasis(on(configurations(and(site(layouts(
(2. Recognize(common(detailing(used(in(multiQstory(structures(
across(the(country(for(exterior(wall(to(floor(intersections(
3. Identify(IBC(requirements(for(fire(walls(and(their(impact(on(detailing(choices.(
(
4. Discuss(detailing(options(related(to(the(design(of(balconies(and(shafts(in(multiQstory(wood(buildings(
Walk2up/)Tuck)Under)
Benefits:(
• Eliminates(need(for(SQ2(parking(garage(
• Can(be(all(wood(
• Least(expensive(overall(but(lowest(densification(rates(
(
(
First(floor(walk(up(units(with(private(garage(
Wrap2Around))
Benefits:(
• enhanced(security((
• Centralized(access(to(parking(
• Visual(appeal(from(street(
• More(expensive(than(walk/up(tuckQunder(
• 5(story(yields(60Q80(units/acre((
(
(
(
(
Walk(up(units(surround(parking(structure(
(
(
Podium)
Benefits:(• Increased(number(
of(stories(• Accommodates(
MixedQuse(occupancies(
• Most(expensive(but(can(allow(increased(density(
(((
Multiple(stories(of(wood(over(an(elevated(concrete(deck(
(
(
Podium)
4(stories(of(residential(over(podium((parking(or(retail)((
• 60Q80(units/acre(
(
(
Inman(Park(Condos,(Atlanta,(GA(Davis(&(Church(
Podium)
5(stories(over(subterranean(parking(
5(stories(over(retail(
• 100Q120(units/acre(
(
(
(
AvalonBay(Stadium,(Anaheim,(CA(VanDorpe(Chou(Associates(
Inman(Park(Condos,(Atlanta,(GA(Davis(&(Church(
Podium)
5(stories(with(mezzanine(+(residential(podium(
• 125Q145(units/acre(
(
(
(
120(Union,(San(Diego,(CA(Togawa(Smith(Martin(
Sloped)Sites)
Seattle,(WA(PB(Architects(
Fashion(Valley,(CA(AvalonBay(Communities((
Fashion(Valley,(CA(AvalonBay(Communities((
Hotels((RQ1)(
Apartments((RQ2)(
Condominiums((RQ2)(
Student(housing((RQ2)(
Live/work(units((RQ2)(
Assisted(living((RQ4)(
Nursing(homes((IQ2)(
Typical)Mid2rise)Occupancy)
(AQ2)(Restaurants/cafeterias(
(AQ3)(Workout(facilities(
(AQ3)(Meeting(rooms((
(B()Offices((
(M)(Shops((
(SQ2)(Parking((
(SQ1)(Storage(
(B()Offices((
Mixed)Use)Occupancy)
Located(at(woodworks.org(–(design(tools(–(online(calculators(–(Heights(and(Areas(Calculator(
Outline)
• MidQrise(Configurations(
• Design(Considerations(
• Structural((Load(Transfer/Serviceability)(• Acoustic(• Building(Envelope((• Constructability(• Fire(
• Fire(Rated(Wall(Assemblies(
Structural((• Direct(bearing/(no(add’l(
hardware(Constructability(• Framing(can(be(completed(
before(drywall(and(insulation(are(installed(
• Common(length(studs(
Platform)Framing)
No(Scale(
Structural((• Additional(hardware/no(direct(
bearing(• Can(help(minimize(building(
shrinkage(Rated(Assemblies(• May(accommodate(continuity(
in(exterior(walls(in(Type(III(construction(
Constructability(• Custom(length(studs(
Semi2balloon)Framing)
Solution)12)Plain)Unreinforced)Brick2h>30’)
Allows(for(vertical((shrinkage(of(wood((framing(
Veneer(must(be(designed((per(ACI(530(section(2.2(as((plain(unreinforced(masonry(
Anchors/ties(to(be((spaced(a(maximum((of(32”(o.c.(horiz.(And((18”(o.c.(vert.((except((seismic)(
Requires(steel((lintel(at(openings(
Joints(must(allow(for(all(differential((movement((lateral(drift(and((vertical(shrinkage(of(wood(Framing(Etc.).(Weight(of(brick(must(not((be(supported(by(wood(Framing((
Wood(backer(studs(
Brick(goes(into((flexure(when(wall((studs(deflect(
Design)must)be)in)
strict)conformance)
with)ACI)530)section)
6.2.12Alt.)design)
method)(engineered))
)
Design)to)section)2.2)
(ASD))or)3.2.2)
(strength))
Unreinforced)masonry)
)
Brick)veneer)must)be)
self)supporting)and)
not)supported)off)of)
the)wood)framing)
Solution)22)Structural)Reinforced)Brick)
Brick)units)are)similar)to)
CMU’s)where)vertical)and)
horizontal)reinforcing)can)
be)installed)
• Veneer)spans)floor)to)
floor)without)transferring)
loads)to)walls.)
• Loads)are)dumped)
directly)into)floor)
diaphragms))
• Steel)lintels)over)
openings)are)not)required)
• Intermediate)anchors/ties)
are)not)required)
• Wall)spans)vert.)&)horiz.)
Between)spaced)anchors)
)
Reinf.(horizontal(bond((beam(or(lintel(units((over(openings(
Spaced(anchors(must(allow((for(all(differential(movement(((lateral(drift,(vertical(shrinkage((of(wood(Framing,(etc.).(Weight((of(brick(must(not(be(supported((by(wood(Framing((
Wood(backer(studs(
Reinforcement((reduces(expansion(and(cracking(
Anchors/ties(are((tied(directly(into((floor(diaphragms(
Veneer(acts(as(complete((unit,(not(as(individual((Segments.(Supports(self((weight(plus(outQofQplane((loads(
#3(or(#4(rebar((typ.)(
Heavier(anchors(are((not(as(prone(to(fire((damage(
4”)nom.)or)greater)
Outline)
• MidQrise(Configurations(
• Design(Considerations(
• Structural((Load(Transfer/Serviceability)(• Acoustic(• Building(Envelope((• Constructability(• Fire(
• Fire(Rated(Wall(Assemblies(
Outline)
• MidQrise(Configurations(
• Design(Considerations(
• Structural((Load(Transfer/Serviceability)(• Acoustic(• Building(Envelope((• Constructability(• Fire(
• Fire(Rated(Wall(Assemblies(
http://www.fpinnovations.ca/ResearchProgram/AdvancedBuildingSystem/designingQenergyQefficientQbuildingQenclosures.pdf(
Buildings(in(Marine(to(Cold(Climate(Zones(in(North(America(
Resources!
Buildings)in)Marine)to)Cold)Climate)Zones)in)North)America)
)
Chapter)3:)Moisture,)Air)and)Thermal)Control)
• Building(as(a(System(• Climate(Zones(• Interior(Climate,(HVAC(Interaction(• Critical(Barrier(Concept(• Control(of(Rainwater(Penetration(• Control(of(Air(Flow(• Controlling(Condensation(• Construction(Moisture(• Controlling(Heat(Flow(and(Insulation(• Whole(Building(Energy(Efficiency(• Computer(Simulation(Considerations(for(WoodQframed(Enclosures(
Resources!
Outline)
• MidQrise(Configurations(
• Design(Considerations(
• Structural((Load(Transfer/Serviceability)(• Acoustic(• Building(Envelope((• Constructability(• Fire(
• Fire(Rated(Wall(Assemblies(
Case)Study:)University)of)Washington)
UW)West)Campus)Student)Housing)
Location:(Seattle,(WA(
1700(beds(in(3(halls(and(2(apt(bldgs(
$177/sf(
4/5(bldgs(met(2030(challenge((60%(reduction(in(energy(consumption)(
Architect:(Mahlum(Architects(
Engineer:(Coughlin(Porter(Lundeen(
Contractor:(Walsh(Construction(
Case)Study:)Innovations)in)Wood)
Architect:(Cooper(Carry,(The(Preston(Partnership(
Engineer:(Ellinwood(+(Machado,(Pruitt(Eberly(Stone(
Contractor:(FortuneQJohnson(Contracting(
Completed:(2012(
Photo(credit:(Gables(Residential(
Emory)Point)
Location:(Atlanta,(GA(
3(buildings(complete(Q(Luxury(Apt.,(retail,(restaurants(
• (1)(5(story(Type(III(wood(frame(over(slab(on(grade(
• (2)(4(stories(of(wood(over(1(story(concrete(podium(
35%(savings((
• $14/sf((wood(concept)((
• $22/sf((PT(conc.(Slab(and(frame)(
(
(
(
(
(
Stella)Apartments,)
Marina)Del)Ray,)CA)
Architect:(Design(ARC.((Los(Angeles,(CA(Photos:(Lawrence(Anderson,(www.lawrenceanderson.net(
Case)Study:)Maximizing)View)and)Value)With)Wood)
Architect:(PB(Architects(
Engineer:(Yu(&(Trochalakis(
Contractor:(Norcon,(NW(
Completed:(2009(
Photo(Credit:(Matt(Todd(Photography(
Marselle)Condominiums)
Location:(Seattle(WA(
Type(IIIA(condo(complex(
5(Q1/2(stories(of(wood(over(2(stories(of(concrete(
mezzanine(added($250K(cost(but($1M(in(value(
30%(cost(savings(over(concrete(
Time(savings(over(steel(
Outline)
• MidQrise(Configurations(
• Design(Considerations(
• Structural((Load(Transfer/Serviceability)(• Acoustic(• Building(Envelope((• Constructability(• Fire(
• Fire(Rated(Wall(Assemblies(
Type)I)and)II)Construction)
(Building(Elements(are(of(noncombustible(materials(except(as(permitted(by(IBC(603(
( • Non(combustible(only(
• Fire(Retardant(Treated(• NonQbearing(ext.(walls(w/(no(fire(rating(
• Roof(EXCEPT(in(Type((IA(of(2(stories((or(more(where(roof(is(<(20’(from(floor(below(
((
• Heavy(Timber(• Roof(except(IA(where(fire(rating(is(1hr(or(less(((
((
Type)III)Construction)
(Exterior(walls(are(of(noncombustible(materials(and(interior(building(elements(are(of(any(material.(FRT(is(permitted(in(exterior(wall(of(2hr(fire(rating(or(less.(
((
• Non(combustible(• Exterior(walls(
• Fire(Retardant(Treated(allowed((• Exterior(walls(if(fire(rating(is(2hr(or(less(
((
• Heavy(Timber(• HT(used(in(place(of(1hr(rating(or(less(
• Untreated(Lumber(• All(interior(elements(
((
Building Heights and Stories by Building Type With NFPA 13 Sprinklers
Occupancy IIIA IIIB VA VB 85 ft 75 ft 70 ft 60 ft
R-1/R-2/R-4 5 5 4 3 A-2/A-3 4 3 3 2 B 6 4 4 3 M 5 3 4 2 S-2 5 4 5 3 S-1 4 3 4 2
Summary)of)Building)Heights)
**ASCE7(12.2Q1(limits(wood(shear(wall(seismic(systems(to(65’(in(height((in(SDC(D,E,F(
(
(
Key Differences in Fire Ratings for Construction Types))
IIIA IIIB VA Exterior wall framing FRT FRT non-FRT Exterior wall fire rating 2 hr 2 hr 1 hr Floor assembly fire rating 1 hr 0 hr 1 hr Fire wall rating 3 hr 3 hr 2 hr
Fire)Resistance)
Choosing)Fire)Rated)Assemblies)
Tested(assemblies((ASTM(E119)(per(IBC703.2:(• UL:(http://database.ul.com(((• Gypsum(Catalog:(www.gypsum.org((• Other(tools:(www.usgdesignstudio.com(• AWC(DCA3(• APA(Fire(Rated(Systems:(
http://www.apacad.org/cad_detail.cfm?id=2((
Alternate(Methods(per(IBC703.3(• Deemed(to(comply(tables(per(IBC721(• Calculated(Fire(Resistance(per(IBC722(
Outline)
• MidQrise(Configurations(
• Design(Considerations(• Fire(Rated(Wall(Assemblies(
• Overview(• Exterior(Walls(• Fire(Walls(• Fire(Barriers(• Fire(Partitions(• Balconies(
Fire2resistance)Rated)Wall)Assemblies)
There(are(five(basic(types(of(fireQresistance(rated(wall(assemblies:(
• Light(Frame(Bearing(Walls((IBC(704.4.1)(
• Exterior(Walls((IBC(705)(
• Fire(Wall(or(Party(Wall((IBC(706)(
• Fire(Barrier((IBC(707)(
• Fire(Partition((IBC(708)(
Light)Frame)Bearing)Walls)(IBC)704.4.1))
Required(fireQresistance(is(the(greater(of:(• FireQresistance(rating(found(in(Table(601(based(on(the(
building(type(of(construction.((• The(required(fireQresistance(rating(required(for(fireQ
resistanceQrated(assemblies(supported(by(the(structural(wall.((
www.awc.org(FAQ:((What*is*the*correct*application*of*2012*IBC*Sections*704.2*(Column*Protection)*and*704.3*(Protection*of*the*primary*structural*frame*other*than*columns)*to*wood*construction?*
Outline)
• MidQrise(Configurations(
• Design(Considerations(• Fire(Rated(Wall(Assemblies(
• Overview(• Exterior(Walls(• Fire(Walls(• Fire(Barriers(• Fire(Partitions(• Balconies(
Fire)Resistance)Rating)
Basic(assumption(is(that(fires(begin(at(the(interior(and(rated(wall(assemblies(are(not(required(from(the(exterior(unless(close(to(another(structure.(((
Interior(
Exterior(
Fire(Protection(on(Inside(of(Building(
Fire)Resistance)Rating)–)IBC)705.5))
Exterior)Walls)
(
Interior)
Exterior(
Fire(Protection(on(Exterior(Walls((When(<(30’(
(X(<(10’(Lo
t(Line(
Table(601(&(602(
Exterior)Walls)(IBC)705))
Exterior(walls(have(to(be(rated(to(which(ever(is(greater(of….((• Table(601:(The(fireQresistance(rating(required(to(
maintain(vertical(structural(support(and(is(based(on((• the(type(of(construction((• whether(or(not(the(wall(is(load(bearing(
• Table(602:(The(fireQresistance(rating(required(to(prevent(spread(of(fire(from(the(inside(to(the(outside((or(outside(to(inside)(and(is(based(on((• type(of(construction((• occupancy(group(• fire(separation(distance((FSD)(associated(with(the(
exposure(of(the(exterior(wall(
Fire)Resistance)Rating)–)IBC)Table)602)
Exterior(Fire(Resistance(Rating(! Table(601((! Table(602(establishes(requirements(! structures(separated(by(10’Q30’(they(are(typically(0(or(1(hour(rated((
FIRE%SEPARATION%
DISTANCE%=%X%(feet)
TYPE%OF%
CONSTRUCTION
OCCUPANCY%GROUP%
H
OCCUPANCY%GROUP%F9
1,%M,%S91
OCCUPANCY%GROUP%A,%B,%
E,%F92,%I,%R,%S92,%Ub
X%<%5c
All 3 2 1
5%<%X%<10 IA 3 2 1
Others 2 1 1
10%<%X%<%30 IA,%IB 2 1 1d
IIB,%VB 1 0 0
Others 1 1 1d
X%>%30 All 0 0 0
For%SI:%1%foot%=%304.8%mm.
e.%The%fire9resistance%rating%of%an%exterior%wall%is%determined%based%upon%the%fire%separation%distance%of%the%exterior%wall%and%the%story%in%which%the%
wall%is%located.
TABLE&602FIRE-RESISTANCE&RATING&REQUIREMENTS&FOR&EXTERIOR&WALLS&BASED&ON&FIRE&SEPARATION&DISTANCEa,&e
a.%Load9bearing%exterior%walls%shall%also%comply%with%the%fire9resistance%rating%requirements%of%Table%601.
b.%For%special%requirements%for%Group%U%occupancies%see%Section%406.1.2
c.%See%Section%705.1.1%for%party%walls.
d.%Open%parking%garages%complying%with%Section%406%shall%not%be%required%to%have%a%fire9resistance%rating.
Exterior)Walls)(IBC)705))
An)exterior)wall)is)defined)as)a)wall)that)is)used)as)
an)enclosing)wall)of)a)building)other)than)a)fire)
wall.)There)is)no)requirement)for)an)exterior)wall)to)
extend)to)the)foundation)in)a)stepped)building.))
(
(
(
(
Posts,(beams(or(walls,(that(support(a(rated(exterior(wall(must(be(fire(–resistance(rated(not(less(than(the(rating(of(the(supported(wall((IBC((704.1()(
Fire)Resistance)Rating)–)IBC)705.5))
Exterior)Walls)
Fire(Separation(>(10’(–((shall(be(rated(for(exposure(from(the(inside(in(accordance(with(601(and(602(Fire(Separation(<(10’(–(shall(be(rated(for(exposure(to(both(sides(in(accordance(with(601(and(602((
Interior)
Exterior(
Fire(Protection(on(Exterior(Walls((When(<(30’(
(X(<(10’(
Lot(L
ine(
Table(601(&(602(
2"HOUR EXTERIOR WALL
FRAMING AT 16" O.C.. MIN. 2 X 4
1 LAYER 5/8" FIBERGLASS MAT GYPSUM SHEATHING
STRUCTURAL WOOD PANEL(S)
WHERE REQUIRED FOR SHEAR
2"HOUR RATING PER UL DESIGN NO. U371
EXTERIOR CEMENT PLASTER, MIN. THICKNESS
3/4" TO FACE OF LATH
MIN. 3" THICK MINERAL
WOOL BATT INSULATION
2 LAYERS 5/8" TYPE 'X' GYPSUM
BOARD AT INTERIOR CONDITIONS
EXTERIOR CEMENT PLASTER OVER FIBERGLASS MAT GYPSUM
SHEATHING AT EXTERIOR CONDITIONS
2)HR)Exterior)Wall)Assembly)–)Type)III)
Common(issues(with(tested(assemblies:(
• Assembly(AsymmetryQ(separate(assemblies(for(each(side(
(
(
Adding)lateral)resistance)
Common(issues(with(tested(assemblies:(
• Inclusion(of(wood(structural(panel(–(ESR2586(
• FRT(may(also(be(substituted(for(untreated(wood(
(
(
1hr)rated)floor)assemblies)–)Type)IIIA/VA)
Common(issues(with(UL(approved(assemblies:(
• Shallow(Floor(depthQ((
• Use(prescriptive(assemblies(Q(IBC(
721.1(2)(assembly(
14Q1.1((
• Or(use(the(CAM(
method(in(IBC(722((
No(Scale(
• 5/8”(Type(X(GWB(• 1(layer(for(1hr(rating(• 2(layers(for(2hr(rating(
• Fire(Retardant(Treated(• Wall(studs,(plates(and(sheathing(((
• Untreated(Lumber(• Floor(framing((solid(sawn(or(engineered)(
• Floor(sheathing(((
Type)III)Construction)
1(
No(Scale(
• 5/8”(Type(X(GWB(• 1(layer(for(1hr(rating(• 2(layers(for(2hr(rating(
• Fire(Retardant(Treated(• Wall(studs,(plates(and(sheathing(((
• Untreated(Lumber(• Floor(framing((solid(sawn(or(engineered)(
• Floor(sheathing(((
Continuity)of)FRT)
2(
No(Scale(
• 5/8”(Type(X(GWB(• 1(layer(for(1hr(rating(• 2(layers(for(2hr(rating(
• Fire(Retardant(Treated(• Wall(tuds,(plates(and(sheathing(• [2x(Blocking((counts(for(1hr(fire(protection(per(NDS(16.2.1)](
• [Floor(sheathing(4’Q8’(in](((
• Untreated(Lumber(• Floor(framing((solid(sawn(or(engineered)(
• Floor(sheathing(((
Type)III)Construction)Detail)Example)
3(
No(Scale(
• 5/8”(Type(X(GWB(• 1(layer(for(1hr(rating(• 2(layers(for(2hr(rating(
• Fire(Retardant(Treated(• Studs,(plates(and(sheathing(• 2x(Blocking((counts(for(1hr(fire(protection(per(NDS(16.2.1)(
• [Floor(sheathing(4’Q8’(in](((
• Untreated(Lumber(• Floor(framing((solid(sawn(or(engineered)(
• Floor(sheathing(((
Type)III)Construction)Detail)Example)
4(
CONTINUE(GYPSUM(TO(BOTTOM(OF(SHEATHING(
• 5/8”(Type(X(GWB(• 1(layer(for(1hr(rating(• 2(layers(for(2hr(rating(
• Fire(Retardant(Treated(• Studs,(plates(and(sheathing(• [Floor(sheathing(4’Q8’(in](((
• Untreated(Lumber(• Floor(framing((solid(sawn(or(engineered)(
• Floor(sheathing(((
Type)III)Construction)Detail)Example)
5(
Type)III)Construction)Detail)Example)
What)is)being)enforced)in)jurisdictions)
you)are)working)in?)
)
)
Outline)
• MidQrise(Configurations(
• Design(Considerations(• Fire(Rated(Wall(Assemblies(
• Overview(• Exterior(Walls(• Fire(Walls(• Fire(Barriers(• Fire(Partitions(• Balconies(
Fire)wall))))))))))))))))
(IBC)706))
• Divides(structure(into(separate(buildings(
• Continuous(from(foundation((or(top(of(three(hour(podium)(to(or(through(roof(
• Structural(stability(required((to(allow(collapse(on(either(side(from(fire(without(causing(collapse(of(fire(wall(
• Special(requirements(at(roof(and(intersection(with(exterior(walls(,(at(horizontal(projecting(elements(and((between(stepped(buildings(
• Required(to(be(of(nonQcombustible(construction((except(in(type(V(construction(
• 2(to(4(hour(rated((Table(706.4)(
Fire)Barrier))))))))))
(IBC)707))
• Designed(to(restrict(the(spread(of(fire(with(continuity(through(the(building(
• Divides(structure(into(fire(areas,(and(fire(barriers(are(required(for(various(purposes(such(as(shaft(enclosures,(exit(enclosures,(atrium(separation,(occupancy(separations,(and(control((or(incidental(use(areas.(
• Supported(by(construction(of(equal(fire(resistanceQrating((except(for(incidental(use(areas(in(type(IIB,(IIIB(and(VB(construction)(
• 1(to(4(hour(rated((table(707.3.10)(
Fire)Partition))))
(IBC)708))
• Separates(dwelling(units,(sleeping(areas,(corridors,(and(tenant(spaces.(
• May(terminate(at(the(lower(side(of(a(fire(–resistance(rated(floor/ceiling/roof(assembly(
• In(most(instances(fire(partitions(are(not(required(to(be(supported(by(fire(resistanceQrated(construction(in(type(IIB,(IIIB(and(VB(construction((section(708.4)((
• Rated(1(hour(or(less((IBC(section(708.3)(
Fire)Walls)2)706)
Used:(
• To(create(separate(buildings(
• As(a(Party(Wall((lot(line)(
Structural(Stability(
• Allow(for(structural(collapse(on(either(side(while(wall(stays(in(place(
• OR(double(wall(per(NFPA(221(
(
Fire)wall)Detailing)
CAD(&(Revit(Details:(www.woodworks.org(((
3"HOUR FIRE WALL AT FLOOR/CEILING
3"HR. ASSEMBLY: 1 5/8" METALSTUDS WITH 3 LAYERS 1/2" TYPE 'X'
GYP. BD. EACH SIDE
3"HOUR FIRE CAULKING
1" AIR GAP
RESILIENT CHANNELS
2 X 4 STUD WALL EACH SIDE, WITHSTRUCTURAL WOOD PANELS AS
REQUIRED FOR SHEAR AND 1 LAYER5/8" TYPE 'X' GYP. BD.
CONTINUOUS 13 1/2" WIDE 14 GA. GALV.SHT. METAL
CONTINUOUS 16 GA. TRACK TOP ANDBOTTOM
FIRE SAFING
CONTINUOUS 16 GA. COMP. CHANNEL
WOOD TRUSS FRAMING WITHOUT WOOD PANEL DIAPHRAGM RUNNING THROUGH FIRE WALL3"HOUR FIRE WALL AT FLOOR/CEILING
3"HR. ASSEMBLY: 1 5/8" METALSTUDS WITH 3 LAYERS 1/2" TYPE 'X'
GYP. BD. EACH SIDE
CONTINUOUS STRUCTURAL WOODPANELS " USE FIRE"TREATED PANELS
THROUGH WALL CAVITY¹
¹CONSULT LOCAL JURISDICTION HAVING AUTHORITY FOR ACCEPTANCE OF FIRE"TREATED WOODPANELS RUNNING THROUGH 3"HOUR ASSEMBLY IN THIS APPLICATION.
RIM JOIST WITH SOLID BLOCKING
3"HOUR FIRE CAULKING
1" AIR GAP
RESILIENT CHANNELS
2 X 4 STUD WALL EACH SIDE, WITHSTRUCTURAL WOOD PANELS AS
REQUIRED FOR SHEAR AND 1 LAYER5/8" TYPE 'X' GYP. BD.
I"JOIST FRAMING WITH WOOD PANEL DIAPHRAGM RUNNING THROUGH FIRE WALL
Fire)Wall)Assemblies)
IBC)706.3)–(Fire(walls(shall(be(of(any(approved(nonQcombustible(materials.(
(Exception:)Buildings(of(Type(V(construction(
(
(
3hr)Fire)Wall)Assemblies)–)Type)III)
3"HOUR FIRE WALL ASSEMBLY
1 5/8" METAL STUDS AT 24" O.C. MAX.
3 LAYERS 1/2" TYPE 'X' GYP. BD. ON EACH SIDE OF METAL STUDS
WOOD STRUCTURAL PANELS WHERE REQUIRED FOR SHEAR
3 HOURS PER UL DESIGN NO. U435
WOOD STUD WALLS ON EITHERSIDE OF FIRE WALL
AIR
GAP
0' "
1"
AIR
GAP
0' "
1"
INTERIOR OR EXTERIOR FINISH AS REQUIRED
BATT INSULATION (OPTIONAL)
Other(options:(• NFPA(221(6.5.1(((
(
Outline)
• MidQrise(Configurations(
• Design(Considerations(• Fire(Rated(Wall(Assemblies(
• Overview(• Exterior(Walls(• Fire(Walls(• Fire(Barriers(• Fire(Partitions(• Balconies(
Fire)Barriers)–)IBC)707)
Supported(by(assembly(of(equal(or((greater(fire(resistance((with(exceptions(when(required((for(separating(incidental(use(areas(in(type(IIB,(IIIB(and(VB(construction)(Commonly(used(in:(• Shaft(enclosures(• Interior(exit(stairway(• Exit(stairway(enclosures(• Exit(passageways(• Incidental(uses((IBC(509)(• Occupancy(separations(• Creating(separate(fire(areas(
2012(IBC(Code(&(Commentary(
(
(
Outline)
• MidQrise(Configurations(
• Design(Considerations(• Fire(Rated(Wall(Assemblies(
• Overview(• Exterior(Walls(• Fire(Walls(• Fire(Barriers(• Fire(Partitions(• Balconies(
Fire)Partitions)–)IBC)708)
Commonly(used(to(separate:(
• Dwelling(or(sleeping(units(in(same(bldg.(
• Tenant(spaces(in(malls(
• Corridor(walls(
Minimum(1(hr(rating(except:(
• Some(corridors(
• Separate(dwelling(units(in(IIB,(IIIB(and(VB(buildings(with(NFPA(13(sprinklers(throughout(
(
(2012(IBC(Code(&(Commentary(
(
(
Fire)Partition)–)Type)III)or)Type)V)
2"HOUR STAGGERED STUD PARTITION
2 X 4 STUDS AT 16" O.C., STAGGERED 8" O.C. ON 2 X 6 PLATE
2 LAYERS 5/8" TYPE 'X' GYP. BD. EACH SIDE
STRUCTURAL WOOD PANEL(S) WHERE REQUIRED FOR SHEAR
2"HOUR AND STC 50 TO 54 PER GA FILE NO. WP 3910
CAD(&(Revit(Details:(www.woodworks.org(((
(
(
Outline)
• MidQrise(Configurations(
• Design(Considerations(• Fire(Rated(Wall(Assemblies(
• Overview(• Exterior(Walls(• Fire(Walls(• Fire(Barriers(• Fire(Partitions(• Balconies(
Balconies)–)IBC)1406.3)
Balconies(of(combustible(construction(and(not(FRT(shall(be:(• Rated(in(accordance(w/(Table(601(for(floors(• Or(be(of(Type(IV((• And(shall(not(exceed(50%(of(bldg(perimeter(Exceptions(• Balconies(in(Type(III,(IV(and(V(can(be(of(type(V(const(
and(shall(not(have(fire(resistance(rating(if(sprinkler(protection(provided(
• Untreated(wood(is(permitted(for(rails(and(guardrails((
Balconies)–)IBC)1406.3)
So….(
For(Type(III(or(V(balcony(options(are:(
1. NonQcombustible(–(no(sprinklers/no(fire(rating(
2. FRT(–(no(fire(sprinklers/no(fire(rating(
3. Type(IV–(no(fire(sprinklers/no(fire(rating(
4. Non(treated(–(fire(sprinkler/no(fire(rating(
5. Non(treated(–(fire(rated(per(601(&(602/(no(sprinkler(
(
Questions?)
This(concludes(The(American(Institute(of(Architects(Continuing(Education(Systems(Course( Lisa)Podesto,)PE,)MS)
WoodWorks([email protected](