Detailing)Considerations) for)Multi2Story)Wood) · PDF fileDetailing)Considerations) for)Multi2Story)Wood) Frame)Buildings) Presented(by:(Lisa(Podesto,(PE,(MS(Senior(Technical(Director

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(

Outline)

•  MidQrise(Configurations(

•  Design(Considerations(•  Fire(Rated(Wall(Assemblies(

Mid2Rise)Construction)Overview)

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(


(

(

(

AvalonBay(Stadium,(Anaheim,(CA(VanDorpe(Chou(Associates(

Inman(Park(Condos,(Atlanta,(GA(Davis(&(Church(

Podium)

5(stories(over(residential(podium(


(

(

(

Podium)

5(stories(with(mezzanine(+(residential(podium(


(

(

(

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(

2012)Code)Conforming)Wood)

Available(for(Free(Download:(www.awc.org((((

(

(

Outline)


•  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)

Structural)Considerations)

(

(

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)





Acoustic)Detailing)

Acoustic)Detailing)

Acoustic)Detailing)

Outline)





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)





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)





Heights)and)Areas)–)IBC)Table)503)

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)



•  Overview(•  Exterior(Walls(•  Fire(Walls(•  Fire(Barriers(•  Fire(Partitions(•  Balconies(

Fire2resistance)Rated)Wall)Assemblies)

))))))Fire)Confinement ) ))))Structural)Performance)

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)




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)2IBC)Table)601)

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(


•  Fire(Retardant(Treated(• Wall(studs,(plates(and(sheathing(((



Continuity)of)FRT)

2(

No(Scale(


•  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](((



Type)III)Construction)Detail)Example)

3(

No(Scale(


•  Fire(Retardant(Treated(•  Studs,(plates(and(sheathing(•  2x(Blocking((counts(for(1hr(fire(protection(per(NDS(16.2.1)(

•  [Floor(sheathing(4’Q8’(in](((




4(

CONTINUE(GYPSUM(TO(BOTTOM(OF(SHEATHING(


•  Fire(Retardant(Treated(•  Studs,(plates(and(sheathing(•  [Floor(sheathing(4’Q8’(in](((




5(


What)is)being)enforced)in)jurisdictions)

you)are)working)in?)

)

)

Outline)




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)Walls)

Design(Options(NFPA(221:(

1.  Single(wall(

2.  Double(Wall(

3.  Cantilevered(Wall(

(

Fire)Walls)–)Diaphragm)Continuity)

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)




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(

(

(

Shaft)Walls)

Wood(Design(Focus:(Volume(22,(Issue(3(by(Smith(

Elevator)Shaft)Wall)

Wood(Design(Focus:(Volume(22,(Issue(3(by(Smith(

Interior)Exit)Stairway)Enclosures)

Outline)




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)




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(

(

Balconies)

Questions?)

This(concludes(The(American(Institute(of(Architects(Continuing(Education(Systems(Course( Lisa)Podesto,)PE,)MS)

WoodWorks([email protected](

Documents

Detailing)Considerations) for)Multi2Story)Wood) · PDF fileDetailing)Considerations) for)Multi2Story)Wood) Frame)Buildings) Presented(by:(Lisa(Podesto,(PE,(MS(Senior(Technical(Director