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UrbanUrbanUrbanUrbanAcousticsAcousticsAcousticsAcoustics
Design Professionals
Lighting Design
Technology LightingAudio Video SystemsRoom Acoustics
AcousticsLighting DesignFixture Layout
Fixture Specification
Audio Video SystemsTelepresence
Sound Masking/Paging
Room AcousticsSound Isolation
Mechanical NoiseControls
DaylightingStructured Cabling
SecurityVibration Isolation
Environmental Noise
“The Wood Products Council” is a Registered Provider with TheAmerican Institute of Architects Continuing Education Systems (AIA/CES).Credit(s) earned on completion of this program will be reported toCredit(s) earned on completion of this program will be reported toAIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.
This program 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. g, g y p
Questions related to specific materials, methods, and services will b dd d t th l i f thi t tibe addressed at the conclusion of this presentation.
Copyright MaterialsCopyright Materials
This presentation is protected by US and InternationalThis presentation is protected by US and InternationalCopyright laws. Reproduction, distribution, display and use of the presentation without written permission of the
speaker is prohibited.
© The Wood Products Council 2013
Learning Objectivesea g Object es
At the end of this program, participants will be able to:At the end of this program, participants will be able to:
Evaluate the acoustical impact of ICC Building Code vs. ResidentialExpectationsDevelop cost effective / acoustically centric space planning ideas for woodDevelop cost effective / acoustically centric space planning ideas for woodframe designProduce practical and constructible acoustical isolation detailing for woodframe designframe designIdentify common acoustical compromises during construction
Urban AcousticsUrban AcousticsUrban AcousticsUrban Acoustics
The Building CodeThe Building CodeThe Building CodeThe Building Code
Acoustical Expectations
Luxury? Market Rate? Entry Level?
Slide 7
HUD Rules of Thumb from 1962
Entry Level Housing
NOTE THIS IS NOT A CODE, IT HAS BECOME the DE FACTO STANDARD BUT NOT CODE
Entry Level HousingSTC 50 / IIC 50
Market Rate HousingMarket Rate HousingSTC 55 / IIC 55
Luxury Rate HousingLuxury Rate HousingSTC 60+ / IIC 60+
IIC 60+ very hard to achieve-- IIC 60+ very hard to achievewith wood or tile surfaces
Sound Ratings at Adjacencies HUD 1974 ICC G2 2010 Guideline for AcousticsSTILL NOT A CODE, EVEN WORST IT IS FROM THE ICC –
FROM WHAT APPEARS TO BE A RESEARCH PAPER FROM THE INTERNET!
Acceptable Performance Preferred Performance“Grade B Performance”
55 / 52“Grade A Performance”
60 / 57(Laboratory / Field)
Airborne STC / NNIC(Laboratory / Field)
Airborne STC / NNICImpact IIC / NISR Impact IIC / NISR
Land Use Compatibility For Community Noise
Exterior Day/Night Noise Levels (Ldn, dBA)Land Use Category
Single Family
55 60 65 70 75 80
Multi Family
Motel, HotelsMotel, Hotels
Outside Use
NormallyAcceptable
ConditionallyAcceptable
NormallyUnacceptable
ClearlyUnacceptable
Exterior to Interior
Mixed Use Buffalo Wild Wings
• Criteria– Residential to Residential– Retail to Residential– Retail to Residential
• Sealed Windows – Air Changes Per Hour• Impact Isolation• Wood Construction• Wood Construction
Commercial to Residential
BEFORE GET RID OF THE PROBLEM
Commercial to Residential
Not Addressed by Building Code- Implied at 45 dBA /Ldn
(Interior Noise Criterion)- Enforced as Nuisance Complaints
Urban AcousticsUrban AcousticsUrban AcousticsUrban Acoustics
VocabularyVocabularyVocabularyVocabulary
Terms (They Have Changed!)
Sound Impact• NR• STC• FSTC
• IICFIIC
• dBALd FSTC
• ASTC• FIIC• AIIC
• Ldn• CNEL
• NIC• NNIC
• NISR• OITC
Urban AcousticsUrban Acoustics VocabularyVocabulary
Urban AcousticsUrban AcousticsUrban AcousticsUrban Acoustics
AcousticalAcousticalAcousticalAcousticalWall SystemsWall SystemsWall SystemsWall Systems
Acoustical Detailing – The Givens
• Walls are Full Height(Deck to Deck)
• Insulated (Unfaced Batt)In all Stud or Joist Cavities
• Sealed Air TightSealed Air Tight• Floor Sheeting
Is Glued and ScrewedIs Glued and Screwed
Wall Progression
STC 34 STC 38 STC 45
Wall Progression
STC 50 STC 63 STC 49
Metal Channels
Hat ChannelsAre Not
Acoustical Channels
Resilient ChannelsAre
Acoustical ChannelsAcoustical Channels
Slide 24
Puck Resilient Isolator Lot Line Wall
Lot Line WallUrban AcousticsUrban AcousticsUrban AcousticsUrban Acoustics
AcousticalAcousticall / ilil / iliFloor / Ceiling SystemsFloor / Ceiling Systems
Floor Systems
STC 37
Floor Systems
STC 43
Floor Systems
STC 49
Floor Systems – Topping Slab
Gypcreteoror
Light Weigh Concrete
Floor Systems
STC 56
Floor Systems
STC 62
Floor Systems
Batt insulation not show for clarity
Floor Systems
Batt insulation not show for clarity
Floor Systems
Batt insulation not show for clarity
Floor Systems
Batt insulation not show for clarity
Impact Noise Impact Isolation
• Impact noise changes as it travels in the building.• Impact noise is best controlled at the source.
Effects of Floor Covering
IIC 73 IIC 64 IIC 56 IIC 43 IIC 32
Batt insulation not show for clarity
IIC 73 IIC 64 IIC 56 IIC 43
STC 56
Urban AcousticsUrban AcousticsUrban AcousticsUrban Acoustics
LeaksLeaks Doors and WindowsDoors and WindowsLeaksLeaks Doors and WindowsDoors and Windows
Leaks:Leaks: Where air can flow...
Slide 43...so will sound.
Air Tight Seal
Insulation
Urban AcousticsUrban AcousticsUrban AcousticsUrban Acoustics
Other Issues to ConsiderOther Issues to ConsiderOther Issues to ConsiderOther Issues to Consider
Acoustical Fiction!
• Fiber Board
Acoustical Fiction!
• Trapped Channel
Credits• California Noise Control Office – Green Book (out
of print)• PAC International, Inc. (Risc 1 Isolator)
http://www.pac intl.com/• USG – Acoustics Collection of STC test reports (out
of print)• EPA Multifamily housing (out of print)• EPA Levels document (out of print)
• Gyp Crete http://www.maxxon.com/• Ceramic Tile Institute of America
http://www.ctioa.org/• The National Council of Acoustical ConsultantsEPA Levels document (out of print)
• USG Handbook for Gypsum Board Installation• ICC G2 2010 Guideline for Acoustics• Clark Dietrich Metal Framing
The National Council of Acoustical Consultantshttp://www.ncac.com/
• Thorburn Associates – http://www.TA Inc.com/• Mullins Acoustics http://mullinsacoustics.com/
www.clarkdietrich.com/• Homasote http://www.homasote.com/• National Gypsum Company
http://www nationalgypsum com/
• Lilly Acoustics http://www.jglacoustics.com/• WoodWorks.org
http://www.nationalgypsum.com/
This concludes The AmericanInstit te of Architects Contin ingInstitute of Architects ContinuingEducation Systems Course
Steve(n) Thorburn, PE, LEED APThorburn Associates Inc.SJT@TA ISJT@TA Inc.com
Urban AcousticsUrban AcousticsUrban AcousticsUrban AcousticsTh k Y !!!Th k Y !!!Thank You!!!Thank You!!!
St ( ) Th b PE LEED APSt ( ) Th b PE LEED APSteve(n) Thorburn, PE, LEED APSteve(n) Thorburn, PE, LEED APsjt@TAsjt@TA Inc comInc comsjt@TAsjt@TA Inc.comInc.com