2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+...
Transcript of 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+...
![Page 1: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/1.jpg)
Multi&story+Wood+
Frame+Structures+
Introduction+to+How+to+Build+
Bigger+and+Taller+
+Answering)the)most)frequently)asked)questions)about)Mid8rise)construction)
![Page 2: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/2.jpg)
Outline+/+Learning+Objectives+
+
• Mid8rise)Construction)Overview)
• Maximizing)Height)and)Area)
• Understanding)Shrinkage)
• Detailing)Considerations)Recognize)common)detailing)used)for)exterior)wall)to)floor)intersections)across)the)country)for)multi8story)structures)
Calculate)overall)building)shrinkage)and)understand)how)to)minimize)and)compensated)for)its)effects)
Evaluate)examples)of)mid8rise)wood)buildings)with)an)emphasis)on)configurations)and)site)layouts)
Identify)International)Building)Code)(IBC))maximum)height)and)associated)allowable)are)of)wood8frame)structures)including)allowances)from)special)provisions)
![Page 3: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/3.jpg)
Outline+
• Mid8rise)Construction)Overview)
• Maximizing)Height)and)Area)
• Understanding)Shrinkage)• Detailing)Considerations)
![Page 4: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/4.jpg)
Mid&Rise+Construction+Overview+
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Urban+Infill+Development+
![Page 6: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/6.jpg)
Walk&up/+Tuck+Under+
Benefits:)
• Eliminates)need)for)S82)parking)garage)
• Can)be)all)wood)
• Least)expensive)overall)but)lowest)densification)rates)
)
)
First)floor)walk)up)units)with)private)garage)
![Page 7: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/7.jpg)
Wrap&Around++
Benefits:)
• enhanced)security))
• Centralized)access)to)parking)
• Visual)appeal)from)street)
• More)expensive)than)walk/up)tuck8under)
• 5)story)yields)60880)units/acre))
)
)
)
)
Walk)up)units)surround)parking)structure)
)
)
![Page 8: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/8.jpg)
Podium+
Benefits:)• Increased)number)
of)stories)• Accommodates)
Mixed8use)occupancies)
• Most)expensive)but)can)allow)increased)density)
)))
Multiple)stories)of)wood)over)an)elevated)concrete)deck)
)
)
![Page 9: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/9.jpg)
Podium+
4)stories)of)residential)over)podium)(parking)or)retail)))
• 60880)units/acre)
)
)
Inman)Park)Condos,)Atlanta,)GA)Davis)&)Church)
![Page 10: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/10.jpg)
Podium+
5)stories)over)subterranean)parking)
5)stories)over)retail)
• 1008120)units/acre)
)
)
)
AvalonBay)Stadium,)Anaheim,)CA)VanDorpe)Chou)Associates)
Inman)Park)Condos,)Atlanta,)GA)Davis)&)Church)
![Page 11: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/11.jpg)
Podium+
5)stories)over)residential)podium)
• 1208140)units/acre)
)
)
)
![Page 12: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/12.jpg)
Podium+
5)stories)with)mezzanine)+)residential)podium)
• 1258145)units/acre)
)
)
)
120)Union,)San)Diego,)CA)Togawa)Smith)Martin)
![Page 13: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/13.jpg)
Sloped+Sites+
Seattle,)WA)PB)Architects)
Fashion)Valley,)CA)AvalonBay)Communities))
Fashion)Valley,)CA)AvalonBay)Communities))
![Page 14: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/14.jpg)
Sloped+Sites+
(2009)IBC))
626)Dekalb)Avenue,)Atlanta,)GA))Matt)Church)8)Davis)Church)Structural)Engineers)
GRADE+PLANE.+A)reference)plane)representing)the)average)of)finished)ground)level)adjoining)the)building)at)exterior'walls.)Where)the)finished)ground)level)slopes)away)from)the)exterior'walls,)the)reference)plane)shall)be)established)by)the)lowest)points)within)the)area)between)the)building)and)the)lot'line'or,)where)the)lot'line'is)more)than)6)feet)(1829)mm))from)the)building,)between)the)building)and)a)point)6)feet)(1829)mm))from)the)building.)
HEIGHT,+BUILDING.+The)vertical)distance)from)grade'plane'to)the)average)height)of)the)highest)roof)surface.)
![Page 15: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/15.jpg)
Definition+–+IBC+202+
![Page 16: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/16.jpg)
Hotels)(R81))
Apartments)(R82))
Condominiums)(R82))
Student)housing)(R82))
Live/work)units)(R82))
Assisted)living)(R84))
Nursing)homes)(I82))
Typical+Mid&rise+Occupancy+
(A82))Restaurants/cafeterias)
(A83))Workout)facilities)
(A83))Meeting)rooms))
(B))Offices))
(M))Shops))
(S82))Parking))
(S81))Storage)
(B))Offices))
![Page 17: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/17.jpg)
Maximizing+Height+and+Area+
• Mid8rise)Construction)Overview)
• Steps)to)Maximizing)Height)and)Area)
1. Tabulate)Areas)2. Allowable)increases)
3. Maximum)Building)Area)
4. Mezzanine)&)Special)Design)Provisions)• Understanding)Shrinkage)• Detailing)Considerations)
)
![Page 18: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/18.jpg)
Type+I+and+II+Construction+
)Building)Elements)are)of)noncombustible)materials)except)as)permitted)by)IBC)603)
) • Non)combustible)only)
• Fire)Retardant)Treated)• Non8bearing)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)))
))
![Page 19: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/19.jpg)
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)
))
![Page 20: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/20.jpg)
Heights+and+Areas+–+IBC+Table+503+
![Page 21: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/21.jpg)
Step+1+–+Tabulated+Height+and+Area+
Type)IIA)
)
)
)65’)(4))
65’)(4))
Type)IIIA)
)
)
)
Occupancy+ IIA+ IIIA+
R81)) 24,000) 24,000)
R82) 24,000) 24,000)
![Page 22: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/22.jpg)
Type)IIB)
)
)
)55’)(4))
55’)(4))
Occupancy+ IIB+ IIIB+
R81)) 16,000) 16,000)
R82) 16,000) 16,000)
Type)IIIB)
)
)
)
Step+1+–+Tabulated+Height+and+Area+
![Page 23: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/23.jpg)
Type)VA)
)
)
)50’)(3))
40’)(2))
Occupancy+ VA+ VB+
R81) 12,000) 7,000)
R82) 12,000) 7,000)
Type)VB)
)
)
)
Step+1+–+Tabulated+Height+and+Area+
![Page 24: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/24.jpg)
Height+Modification+–+IBC+504+
IBC+504.2+++Where)a)building)is)equipped)throughout)with)an)approved)sprinkler)system…)
! )))maximum)height)is)increased)by)20)feet))
! )))maximum)number)of)stories)is)increased)by)one.)
Can+be+combined+w/+frontage+area+increase+&+506.2+
Can+be+combined+w/+sprinkler+area+increase+&+506.3+
• EXCEPT)for)I82)occupancy)of)Type)IIB,)III)and)V)construction)and)H)occupancies)or)where)sprinklers)are)used)as)substitution)for)1hr)fire)resistance.)
'
![Page 25: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/25.jpg)
504.2+Automatic+sprinkler+system+increase.+
….For)Group)R)buildings)equipped)throughout)with)an)approved)automatic)sprinkler)system)in)accordance)with)Section)903.3.1.2,)the)value)specified)in)Table)503)for)maximum)building)height)is)increased)by)20)feet)(6096)mm))and)the)maximum)number)of)stories)is)increased)by)one,)but)shall)not)exceed)60)feet)(18)288)mm))or)four)stories),)respectively.)
)
• Section)903.3.1.2)references)NFPA)13R)sprinkler)system.)
• This)limitation)does)not)apply)when)using)NFPA)13)Sprinkler)System)
Automatic+Sprinkler+Increase+–+504.2+
![Page 26: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/26.jpg)
Area+Modification+–+IBC+506+
(Equation)581)))
Aa)=)At))+)[At)x)If])+)[At)x)Is]))
Aa)=)Allowable)area)per)story)(sq.)ft.))At)=)Tabular)area)per)story)(sq.)ft.))If)=)Area)increase)factor)due)to)frontage)))(IBC)506.2))If)max)=).75)Is)=)Area)increase)factor)due)to)sprinkler)protection))(IBC)506.3))Is=3)for)1)story,)Is=2)for)>)1)story)
![Page 27: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/27.jpg)
In)2012)code,)there)is)further)clarification)between)“W”)for)area)increases)and)Fire)Separation)Distance)for)purposes)of)fire)resistance)ratings)of)walls)and)openings)
Bldg.)1)W)≠)FSD)
Bldg.)2)
Frontage+Increases+–+IBC+506.2.1++
![Page 28: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/28.jpg)
Bldg.)1)
W)Bldg.)2)
For)two)buildings)on)DIFFERENT)lots)
FSD)
)lot)line)
Frontage+Increases+–+IBC+506.2.1++
![Page 29: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/29.jpg)
Bldg.)1)
W)Bldg.)2)
For)two)buildings)on)the)SAME)lot)
FSD)
imag
inary)lot)line)
Frontage+Increases+–+IBC+506.2.1++
![Page 30: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/30.jpg)
Bldg.)1)
W)Bldg.)2)
centerline)of)public)way)
Buildings)near)public)right)of)ways:)
FSD)
)lot)line)
FSD)
W)
Frontage+Increases+–+IBC+506.2.1++
![Page 31: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/31.jpg)
Step+2+–+Increased+Height+&+Story+Area+
Type)IIA)
)
)
)85’)(5))
85’)**)(5))
Type)IIIA)
)
)
)
Occupancy+ IIA+(ft2)*+ IIIA+(ft2)*+
R81)) 72,000)+18,000)(max)frontage)) 72,000)+18,000)(max)frontage))
R82) 72,000)+18,000)(max)frontage)) 72,000)+18,000)(max)frontage))*Areas)reflect)PER)STORY)max.)Total)building)max)may)limit)area)further.)**ASCE7)12.281)limits)wood)shear)wall)seismic)systems)to)65’)in)height))in)SDC)D,E,F))))
NFPA13)
)
)
)
NFPA13)
)
)
)
![Page 32: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/32.jpg)
Type)IIB)
)
)
)75’)(5))
75’**)(5))
Type)IIIB)
)
)
)
*Areas)reflect)PER)STORY)max.)Total)building)max)may)limit)area)further.))))
Occupancy+ IIB+(ft2)*+ IIIB+(ft2)*+
R81)) 48,000)+12,000(max)frontage)) 48,000)+12,000(max)frontage))
R82) 48,000)+12,000(max)frontage)) 48,000)+12,000(max)frontage))
NFPA13)
)
)
)
NFPA13)
)
)
)
Step+2+–+Increased+Height+&+Story+Area+
![Page 33: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/33.jpg)
Type+IIIB+for+R+Occupancy+
711.3+
…)Horizontal)assemblies)separating))dwelling)units)in)the)same)building)and)horizontal)assemblies)separating))sleeping)units)in)the)same))building)shall)be)a)minimum)of)18hour)fire8resistance8rated)construction.)EXCEPTION)Dwelling)unit))and)sleeping)unit))separations)in)buildings)of)Type)IIB,)IIIB)and)VB)construction)shall)have)fire8resistance)ratings))of)not)less)than)1)/2))hour)in)buildings)equipped)throughout)with)an)automatic)sprinkler)system))in)accordance)with)Section)903.3.1.1.)
![Page 34: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/34.jpg)
Type)VA)
)
)
)70’**)(4))
60’)(3))
Type)VB)
)
)
)
*Areas)reflect)PER)STORY)max.)Total)building)max)may)limit)area)further.)**ASCE7)12.281)limits)wood)shear)wall)seismic)systems)to)65’)in)height))in)SDC)D,E,F))))
Occupancy+ VA+(ft2)*+ VB+(ft2)+
R81) 36,000)+9,000(max)frontage)) 21,000)+5,250(max)frontage))
R82) 36,000)+9,000(max)frontage)) 21,000)+5,250(max)frontage))
NFPA13)
)
)
)
NFPA13)
)
)
)
Step+2+–+Increased+Height+&+Story+Area+
![Page 35: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/35.jpg)
Opportunity+for+Office+Occupancy+(B)+
Type)IIIA)
)
)
)85’**)(6))
85’**)(6))
Type)IV)
)
)
)
Occupancy+ IIIA+(ft2)*+ IV+(ft2)*+
B) 85,500)+21,375(max)frontage)) 108,000)+27,000(max)frontage))
*Areas)reflect)PER)STORY)max.)Total)building)max)may)limit)area)further.)**ASCE7)12.281)limits)wood)shear)wall)seismic)systems)to)65’)in)height))in)SDC)D,E,F))))
NFPA13)
)
)
)
NFPA13)
)
)
)
![Page 36: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/36.jpg)
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)12.281)limits)wood)shear)wall)seismic)systems)to)65’)in)height))in)SDC)D,E,F)
)
)
![Page 37: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/37.jpg)
Maximum+Building+Area+–+506.4+
Single+Occupancy+Area+determination+
! Two)stories)above)grade:)– Maximum)Building)Area))=))Aa)x)2)
! Three)stories)or)more)above)grade:))– Maximum)Building)Area))=))Aa)x)3)
! No)Story)shall)exceed)Aa))
Exceptions++
! Unlimited)area)buildings)! Buildings)with)NFPA)13R)sprinkler)system)
Aa)–)Allowable)Area)PER)STORY)
)
)
)
![Page 38: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/38.jpg)
Step+3+–+Max+Building+vs.+Story+Areas+
Type)IIIA)
)
)
)85’**)(5))
**ASCE7)12.281)limits)wood)shear)wall)seismic)systems)to)65’)in)height)in)SDC)D,E,F)
)
)
Type)VA)
)
)
)70’**)(4))
Occupancy+ IIIA+ VA+
Story)Area) 72,000)+18,000)(max)frontage)) 36,000)+9,000(max)frontage))
Building)Area) 216,000)+54,000)(max)frontage)) 108,000)+27,000)(max)frontage))
NFPA13)
)
)
)
NFPA13)
)
)
)
![Page 39: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/39.jpg)
Type)IIIA)
)
)
)85’**)(5))
**ASCE7)12.281)limits)wood)shear)wall)seismic)systems)to)65’)in)height)in)SDC)D,E,F)
)
)
Type)IIIA)
Or))Type)VA)
)
)
)
60’**)(4))
Occupancy+ IIIA+(NFPA+13)+ IIIA+(NFPA+13R)+ VA+(NFPA+13R)+
Story)Area) 72,000)(3x)tabulated)) 24,000)(=tabulated)) 12,000)(=tabulated))
Building)Area) 216,000)(3x)story)) 96,000)(4x)story)) 48,000)(4x)story))
NFPA13R)
)
)
)
NFPA13)
)
)
)
Step+3+–+Max+Building+vs.+Story+Areas+
![Page 40: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/40.jpg)
Case+Study:+Innovations+in+Wood+
Architect:)Cooper)Carry,)The)Preston)Partnership)
Engineer:)Ellinwood)+)Machado,)Pruitt)Eberly)Stone)
Contractor:)Fortune8Johnson)Contracting)
Completed:)2012)
Photo)credit:)Gables)Residential)
Emory+Point+
Location:)Atlanta,)GA)
3)buildings)complete)8)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))
)
)
)
)
)
![Page 41: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/41.jpg)
Mixed+Use+Occupancy+
Located)at)woodworks.org)–)design)tools)–)online)calculators)–)Heights)and)Areas)Calculator)
![Page 42: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/42.jpg)
Mixed+Use+Occupancy+
Located)at)woodworks.org)–)design)tools)–)online)calculators)–)Heights)and)Areas)Calculator)
![Page 43: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/43.jpg)
An)intermediate)level)or)levels)between)the)floor)and)ceiling)of)any)story)and)in)accordance)with)IBC)Section)505.)
Step+4–Addition+of+Mezzanine+
85’)**)(5+)mez))
Type)IIIA)
)
)
)
)*Areas)reflect)PER)STORY)max.)Total)building)max)may)limit)area)further.)**ASCE7)12.281)limits)wood)shear)wall)seismic)systems)to)65’)in)height))in)SDC)D,E,F))))))
Occupancy+ IIIA+(NFPA+13)+
Story)Area) 72,000)(3x)tabulated))
Building)Area) 216,000)(3x)story)area))
![Page 44: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/44.jpg)
Mezzanines+–+IBC+505+
Not+counted+toward+building+area**)or+height+if:+
• Maximum)1/3)floor)area)of)room)or)space)where)located)
• Special)egress)provisions)apply)
• Must)be)open)and)unobstructed)to)room)in)which)it’s)located)(walls)≤)42”)allowed))
• Several)exceptions)• Slightly)different)for)equipment)platforms)
**Does)count)toward)fire)area)with)regard)to)fire)protection)in)Chapter)9)
)
)
)
![Page 45: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/45.jpg)
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)81/2)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)
![Page 46: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/46.jpg)
Step+4&Horizontal+Building+Separation+
Horizontal)Assembly)=)a)fire8resistance8rated)floor)or)roof)assembly)of)materials)designed)to)restrict)the)spread)of)fire)in)which)continuity)is)maintained)
85’))
**ASCE7)12.281)limits)wood)shear)wall)seismic)systems)to)65’)in)height))
)
)
Type)IIIA)
)
85’)**)(5+)mez))
![Page 47: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/47.jpg)
Considered)separate)buildings)above)and)below)for)purposes)of)area)calculations)if:)
• overall)height)is)still)limited)to)min)of)either)building)
• 3hr)rated)horizontal)assembly)
• Building)below)is)one)story)above)grade))
• Building)below)is)Type)1A)with)sprinklers))
• Enclosures)penetrating)horizontal)assembly)are)2hr)rated)
• occupancy)above)is)A,)B,)M,)R)or)S)
• occupancy)below)is)A,)B,)M,)R)or)S82)
)
Horizontal+Building+Separation+–+510.2+
![Page 48: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/48.jpg)
AvalonBay+Stadium+
Location:)Anaheim,)CA)
251)Apts.,)13K)sf)retail/restaurant)
Type)III)modified)
50%)of)their)projects)are)podium)
Semi8balloon)framed)with)16”)I8joist)at)exterior)walls)
)
)
Case+Study:+Wood+Buildings+Aim+High+
Architect:)Withee)Malcolm)Architects)
Engineer:)VanDorpe)Chou)Associates)
Developer/Contractor:)AvalonBay)Communities)
Photo)credit:)Arden)Photography)
![Page 49: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/49.jpg)
Carbon+Case+Study:+High+Density+Ava
lonB
ay)Stadium
8)Ana
heim
,)CA)
![Page 50: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/50.jpg)
Parking+Beneath+Group+R+–+IBC+510.4+
Possibility)of)a)Type)IV)podium)where)number)of)stories)starts)above)parking)when:)
• Occupancy)above)is)R)and)below)is)S82)
• Lower)floor)is)open)Type)IV)parking)with)grade)entrance)
• Horizontal)assembly)between)1st)and)2nd)floor)shall)be)
! Type)IV)
! Have)1)hr)fire)resistance)rating)when)sprinklered)
! Have)2)hr)fire)resistance)rating)when)not)sprinklered)
• overall)height)is)still)limited)to)occupancy))
Change)This)Footer)by)going)to)View)8>)Header)and)Footer)…))
![Page 51: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/51.jpg)
APA&+N110:+Parking+beneath+Group+R+
Oceano)at)Warner)Center)
Location:)Woodland)Hills,)CA)
Architect:)RC)AlleyIII)
Galt)Place)
Location:)Galt,)CA)
Architect:)Michael)Malinowski)
![Page 52: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/52.jpg)
Parking+Beneath+Group+R+
![Page 53: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/53.jpg)
2012+Code+Conforming+Wood+
Available)for)Free)Download:)www.awc.org))))
)
)
![Page 54: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/54.jpg)
Overview+
• Mid8rise)Construction)Overview)
• Maximizing)Height)and)Area)
• Understanding)Shrinkage)
• Concepts)• Calculations)• Recommendations)
• Detailing)Considerations)
)
![Page 55: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/55.jpg)
IBC+2009+on+Shrinkage+
2304.3.3))Shrinkage.))Wood)walls)and)bearing)partitions)shall)not)support)more)than)two)floors)and)a)roof)unless)an)analysis)satisfactory)to)the)building)official)shows)that)shrinkage)of)the)wood)framing)will)not)have)adverse)effects)on)the)structure)or)any)plumbing,)electrical)or)mechanical)systems,)or)other)equipment)installed)therein)due)to)excessive)shrinkage)or)differential)movements)caused)by)shrinkage.))The)analysis)shall)also)show)that)the)roof)drainage)system)and)the)foregoing)systems)or)equipment)will)not)be)adversely)affected)or,)as)an)alternative,)such)systems)shall)be)designed)to)accommodate)the)differential)shrinkage)or)movements.)
![Page 56: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/56.jpg)
Key+Factors+Influencing+Shrinkage+
• Pre8construction)moisture)content)(MC))
• In8service)EMC)
• Cumulative)thickness)of)cross8grain)wood)contributing)to)shrinkage))
(Wood)species)has)relatively)little)impact)since)most)species)used)in)commercial)construction)have)similar)shrinkage)properties.)))
)
![Page 57: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/57.jpg)
Moisture)changes)cause)dimensional)changes)perpendicular)to)grain))
)
)
Growing)tree)is)filled)with)water)
As)wood)dries,)it)shrinks)perp.)to)grain)
Basic+Wood+Theory+
Image:'Wood'Handbook,'Wood'as'an'Engineering'Material,'USDA'Forest'Service,'Forest'Products'Laboratory,'2010'
![Page 58: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/58.jpg)
)Wider)&)Thicker)888)NOT)Taller)
Shrinkage)in)lumber)expected)ACROSS)the)grain.)
Longitudinal)shrinkage)is)negligible.)
)
Basic+Wood+Theory+
![Page 59: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/59.jpg)
Basic+Wood+Theory+
![Page 60: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/60.jpg)
+Zone+of+Movement+
Shrinkage)occurs)primarily)in)horizontal)members))
• wall)plates)
• Floors)
+
Be+aware+of+
cumulative+
shrinkage.+
![Page 61: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/61.jpg)
Pre&Construction+Moisture+Content+
Mi)=)19%)
Mi)=)28%)
![Page 62: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/62.jpg)
Minimize+Pre&Construction+Moisture+Content+
1. Minimize)storage)of)material)on)site)where)rain)and)standing)water)can)increase)moisture)content.)
2. Keep)unused)framing)material)covered)
3. Inspect)pre8built)wall)panels)prior)to)installation)for)proper)material)and)quality)of)mechanical)fasteners.)
4. “Dry8in”)the)structure)as)quickly)as)possible.)))5. Immediately)remove)any)standing)water)from)floor)
framing)after)rain)showers.)
)
![Page 63: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/63.jpg)
Shrinkage+Resources+–+www.wwpa.com+
![Page 64: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/64.jpg)
In#service*EMC*(Average*EMC#*July)*
64)
Map courtesy of US Forest Products Laboratory
![Page 65: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/65.jpg)
In#service*EMC*(Average*EMC#*January)*
65)
Map courtesy of US Forest Products Laboratory
![Page 66: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/66.jpg)
Comprehensive+Shrinkage+Estimation+
For)MC)between+6+to+14%+the)formula)is:)
) ( )[ ]iFTi MMCDS −=
Calculating+Shrinkage!
S'=)shrinkage)(in)inches))
Di)=)initial)dimension)(in)inches))
CT)/)CR=)dimension)change)coefficient,)tangential/radial)direction)
CT)=)0.00319)for)Douglas)Fir8Larch)
CT)=)0.00323)for)Hem8Fir)
CT)=)0.00263)for)Spruce8Pine8Fir)
CT)=)0.00263)for)Southern)Pine)MF)=)final)moisture)content)(percent))
Mi)=)initial)moisture)content)(percent))
)
![Page 67: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/67.jpg)
Comprehensive+Shrinkage+Estimation+
For)MC)outside+the+range+of+6+to+14%+:)
( )
iT
iFi
MS
MMDS
+−
−=
30)100(30
Calculating+Shrinkage!
S'=)shrinkage)(in)inches))
Di)=)initial)dimension)(in)inches))
ST)/SR=)tangential/radial)shrinkage)(%))from)green)to)oven)dry)
MF)=)final)moisture)content)(percent))
Mi)=)initial)moisture)content)(percent))
))
)
![Page 68: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/68.jpg)
Calculating+Shrinkage+–+Resources+
Wood)Handbook:)www.fpl.fs.fed.us))
• Chapter)13)–)CT,)CR)
• Chapter)4)–)ST,)SR)
![Page 69: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/69.jpg)
Example+Shrinkage+Calculation+
Assume:)S8Dry)lumber)Find:)4x4)shrinkage)
![Page 70: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/70.jpg)
Quick+Shrinkage+Estimation:+
+
Again)assuming)the)initial)MC)(Mi))is)19)percent)and)the)final)MC)(MF))is)12)percent))
Our)approximated)shrinkage)is:)
For)Doug)Fir)Larch:)
))
For)Southern)Pine:)
S =CDi MF −Mi( ) = 0.00319×3.5 12−19( ) = −0.078 inch
Example+Shrinkage+Calculation+
S =CDi MF −Mi( ) = 0.00263×3.5 12−19( ) = −0.064 inch
![Page 71: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/71.jpg)
Minimizing+Shrinkage+
)
)
Balloon)framing))• minimizes)inter8floor)
shrinkage)from)the)wall)assembly))
• limited)in)height))• Complicated)
connections))• limited)floor)loads))+
Typically+not+used+in+
projects+over+2+stories+in+
height.+
![Page 72: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/72.jpg)
Minimizing+Shrinkage+
Semi8balloon)framing))• incorporates)floor)framing)
hanging)from)top)plates))• Eliminates)tangential)
shrinkage)in)zone)of)movement))
• Floor)framing)doesn’t)contribute)to)overall)building)shrinkage)
)Non&standard+stud+lengths+
and+increased+hardware+
requirements+are+a+result.+
![Page 73: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/73.jpg)
Inman+Park+Condominiums+
Location:)Atlanta,)GA)Architect:)Brown)Doane)Architects)
Engineer:)Davis)&)Church)
Case+Study:+Wood+Buildings+Aim+High+
4)stories)of)wood)over)2)stories)of)concrete)parking))
11)7/8”)I8joists)to)maximize)headroom)and)not)exceed)building)height)(10’)plate))
Drop)ceilings)for)MEP)at)perimeter)of)some)rooms)
)
![Page 74: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/74.jpg)
Differential+Movement+
Movement)between)wood)frame)elements)and)other)materials)that…))
• do)not)shrink)at)all)
))
• shrink)much)less)
))
• expand)
![Page 75: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/75.jpg)
Finish+Considerations+
Large)expanses)of)interior)and)exterior)drywall,)paneling)and)siding)need)to)be)looked)at)specifically.))Employ)expansion)joint)and)slip8type)detailing.)
![Page 76: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/76.jpg)
Solution+1&+Plain+Unreinforced+Brick&h>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+
6.2.1&Alt.+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+
![Page 77: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/77.jpg)
Solution+2&+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)out8of8plane))loads)
#3)or)#4)rebar)(typ.))
Heavier)anchors)are))not)as)prone)to)fire))damage)
4”+nom.+or+greater+
![Page 78: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/78.jpg)
Façade+Considerations+&+Resources+
Brick)Industry)Association–)www.gobrick.com))
![Page 79: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/79.jpg)
Door+and+Window+Considerations+
[1/4”+per+floor]+wide)sealant)joint)sized)to)allow)shrinkage)of)wood)frame)and)expansion)of)brick)
![Page 80: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/80.jpg)
MEP+Considerations+
)
)
Fully)compress)wall)framing)by)completing)all)dead)load)potential)PRIOR)to)mechanical)installations.))Avoid)rigid)vertical)piping)in)mechanical)and)plumbing)systems.))Flexible)members)allow)for)shrinkage)between)floors.))
![Page 81: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/81.jpg)
MEP+Considerations+
)
)
Vertical)vent)stacks)should)not)be)installed)prior)to)full)completion)of)framing.))Vent)stacks)require)special)attention)and)must)be)designed)to)allow)for)vertical)movement)due)to)shrinkage)between)floors.))))
![Page 82: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/82.jpg)
Facade+Considerations+
Panels)should)not)extend)across)he)zone)of)movement)if)platform)framed.)))Allow)for)up)to)½”))gap)between)abutting)panel)edges)to)prevent)panel)buckling)when)using)platform)framing)and)sawn)lumber)joists.)))))))
![Page 83: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/83.jpg)
Structural+Considerations+
)
)
Strap)holdowns)will)buckle)with)too)much)accumulated)movement.))
Anchor)type)holdowns)should)re8tightened)before)installing)finishes.))
Threaded)rod)holdowns)with)shrinkage)compensating)devices)work)well)for)4)sorties)and)above)with)stacking)units.))
)
![Page 84: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/84.jpg)
Deck+Considerations+
White)Paper:)
Multi8Story)Wood8Frame)Shrinkage)Effects)on)Exterior)Deck)Drainage:)A)Case)Study))by)Zeno)Martin,)Wood)Design)Focus)Fall)2010)
![Page 85: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/85.jpg)
Detailing+Tips+
Mitigate)distress)to)finishes)arising)from)cumulative)differential)movement:)
• Be)acutely)aware)of)the)fact)that)there)will)be)
differential)movement)
• Address)it)in)detailing)and)specifications)• Consider)where)distress)will)occur)
• Provide)details)to)relieve)or)avoid)it)))
![Page 86: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/86.jpg)
Outline+
• Mid8rise)Construction)Overview)
• Maximizing)Height)and)Area)
• Understanding)Shrinkage)• Detailing)Considerations)
![Page 87: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/87.jpg)
Structural))• Direct)bearing/)no)add’l)
hardware)Constructability)• Framing)can)be)completed)
before)drywall)and)insulation)are)installed)
• Common)length)studs)
Platform+Framing+
![Page 88: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/88.jpg)
No)Scale)
Structural))• Additional)hardware/no)direct)
bearing)Rated)Assemblies)• May)accommodate)continuity)
in)exterior)walls)in)Type)III)construction)
Constructability)• Framing)can)be)completed)
before)drywall)and)insulation)are)installed)
• Custom)length)studs)• Can)help)minimize)building)
shrinkage)
Semi&balloon+Framing+
![Page 89: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/89.jpg)
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)
![Page 90: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/90.jpg)
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
Detailing+for+Fire+Resistance+
Different)areas)of)fire)design:)• Combustibility)• Fire)resistance)• Fire)Class)• Fire)Protection))))
![Page 91: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/91.jpg)
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)
![Page 92: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/92.jpg)
Fire+Resistance+Rating+&IBC+Table+601+
![Page 93: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/93.jpg)
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)
![Page 94: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/94.jpg)
Fire+Resistance+Rating+–+IBC+Table+602+
Exterior)Fire)Resistance)Rating)! Table)601))! Table)602)establishes)requirements)! structures)separated)by)10’830’)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.
![Page 95: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/95.jpg)
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)
![Page 96: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/96.jpg)
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)Asymmetry8)separate)assemblies)for)each)side)
)
)
![Page 97: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/97.jpg)
Adding+lateral+resistance+
Common)issues)with)tested)assemblies:)
• Inclusion)of)wood)structural)panel)–)ESR2586)
• FRT)may)also)be)substituted)for)untreated)wood)
)
)
![Page 98: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/98.jpg)
Fire+Wall+Assemblies+
IBC+706.3+–)Fire)walls)shall)be)of)any)approved)non8combustible)materials.)
)Exception:+Buildings)of)Type)V)construction)
)
)
![Page 99: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/99.jpg)
2+HR+Fire+Wall–+Type+V+
2"HOUR FIRE WALL ASSEMBLY
2 1/2" METAL STUDS AT 24" O.C.
2 LAYERS 5/8" TYPE 'X' GYP. BD. ON EACH SIDE OF METAL STUDS
WOOD STRUCTURAL PANELS WHERE REQUIRED FOR SHEAR
2"HOUR RATING PER GA FILE NO. WP 1548
WOOD STUD WALLS ON EITHERSIDE OF FIRE WALL
AIR
GA
P
0' "
1"
AIR
GA
P
0' "
1"
INTERIOR OR EXTERIOR FINISH AS REQUIRED
BATT INSULATION (OPTIONAL)
http://www.usgdesignstudio.com/wall8selector.asp?framingType=18708&bldgSystem=18620))))))))))))))))
CAD)&)Revit)Details:)www.woodworks.org))
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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)))
)
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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
![Page 102: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/102.jpg)
1hr+rated+floor+assemblies+–+Type+IIIA/VA+
Common)issues)with)UL)approved)assemblies:)
• Shallow)Floor)depth8))
• Use)prescriptive)assemblies)8)IBC)
721.1(2))assembly)
1481.1))
• Or)use)the)CAM)
method)in)IBC)722))
![Page 103: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/103.jpg)
Acoustic+Detailing+
![Page 104: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/104.jpg)
Acoustic+Detailing+
![Page 105: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/105.jpg)
Acoustic+Detailing+
![Page 106: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/106.jpg)
No)Scale)
A) B) C)
Type+V+Construction+Detail+Examples+
![Page 107: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/107.jpg)
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)
![Page 108: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/108.jpg)
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)
![Page 109: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/109.jpg)
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)4’88’)in])))
• Untreated)Lumber)• Floor)framing)(solid)sawn)or)engineered))
• Floor)sheathing)))
Type+III+Construction+Detail+Example+
3)
![Page 110: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/110.jpg)
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)4’88’)in])))
• Untreated)Lumber)• Floor)framing)(solid)sawn)or)engineered))
• Floor)sheathing)))
Type+III+Construction+Detail+Example+
4)
![Page 111: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/111.jpg)
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)4’88’)in])))
• Untreated)Lumber)• Floor)framing)(solid)sawn)or)engineered))
• Floor)sheathing)))
Type+III+Construction+Detail+Example+
5)
![Page 112: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/112.jpg)
Type+III+Construction+Detail+Example+
What+is+being+enforced+in+jurisdictions+
you+are+working+in?+
+
+
![Page 113: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/113.jpg)
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))
![Page 114: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/114.jpg)
Balconies+–+IBC+1406.3+
So….)
For)Type)III)or)V)balcony)options)are:)
1. Non8combustible)–)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)
)
![Page 115: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/115.jpg)
Balconies+
![Page 116: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/116.jpg)
Outline+
• Mid8rise)Construction)Overview)
• Maximizing)Height)and)Area)
• Understanding)Shrinkage)• Detailing)Considerations)
![Page 117: 2014 - Multi-story Wood Framed Structures - 2hr - · PDF fileMulti&story+Wood+ Frame+Structures+ ... Step+3+–+Max+Building+vs.+Story+Areas+. ... Located)at) )–)design)tools)–)online)](https://reader034.fdocuments.in/reader034/viewer/2022052607/5a78ac0a7f8b9ae91b8dc238/html5/thumbnails/117.jpg)
Questions?+
This)concludes)The)American)Institute)of)Architects)Continuing)Education)Systems)Course) Speaker+Name+
Speaker)organization)Speaker)email)address)