Transcript Construction Joints

Construction Joints
Head of Wall Deflection Systems
This Course is Sponsored By:
An AIA Continuing Education Program
Credit for this course is 1 AIA/CES
Learning Unit for HSW credit.
Course Title:
Construction Joints: Head Of Wall Deflection Systems
Course Number: DMF002
An American Institute of Architects
(AIA) Continuing Education program
•Approved Promotional Statement:
•DIETRICH Metal Framing is a registered provider with The
American Institute Of Architects Continuing Education
Systems. Credit earned on completion of this program will be
reported to CES Records for AIA members. Certificates Of
Completion for non-AIA members available on request."
•This program is registered with the 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 or DIETRICH
Metal Framing 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.
An American Institute of Architects
(AIA) Continuing Education program
Course Format: This is a structured, face to face course.
Course Credit: 1 Health Safety & Welfare (HSW) learning
unit (LU)
Completion Certificate: A copy is sent to you by email if
requested. Please be sure that your name and e-mail address are
readable when you complete the Form B.
This program is registered with the 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 or Dietrich 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 Title: Construction Joints: Head Of Wall Deflection Systems
Course Number: DMF002
Copyright
This presentation is protected by US and International
copyright laws. Reproduction, distribution, display
and use of the presentation without written
permission of the speaker is prohibited.
© Dietrich Metal Framing 2008
Learning Objectives
• What are head of wall deflection systems?
• How are head of wall deflection systems used?
• What are the track types and what are the advantages of
each?
• How to understand track assemblies, individual
components, and how to detail them.
• Why Code Changes = Better Walls for Life Safety?
• What should the Architect and Engineer consider when
specifying head of wall deflection systems?
Head of Wall Basics
• What is a Head of Wall Deflection System?
• Design Considerations
– Seismic Events
– Thermal Expansion/Contraction
– Wind Sheer
– Live/Dead Loading Above
Result: Wall damage will be reduced or eliminated.
Head of Wall Deflection Systems
This course will cover several of the
more commonly used systems:
• Non-Proprietary
• Proprietary
• Non-Fire Rated
• Fire Rated
Head of Wall Deflection Systems
Non-Fire Rated
•
•
•
•
U-Channel w/ Deep Leg Track
Flat Strap w/ Deep Leg Track
Over Track or Double Track
Stud Spacing and Retaining
Bar w/ Deep Leg Track
• Flexible Track
U-Channel with Deep Leg Track
• Products/Assembly
• Advantages
• Disadvantages
Flat Strap with Deep Leg Track
• Products/Assembly
• Advantages
• Disadvantages
Over Track (Double Track)
• Products/Assembly
• Advantages
• Disadvantages
Stud Spacing and Retaining Bar
Products
•20 ga, 50” long
•16 ga, 50” long
• Notches every 12”,
16”, 24” centers.
Notches hold studs
in place via shear.
Stud Spacing and Retaining Bar
• Products/Assembly
• Advantages
• Disadvantages
Flexible Track
• Products/Assembly
• Advantages
• Disadvantages
Head of Wall Deflection Systems
Fire-Rated
For a system to be fire-rated, it has to be tested and
approved per UL and ASTM standards.
Code Changes = Better Walls for Life Safety
• UBC 1994
• UBC 1997
• International Building Code (IBC) 2003
• Others
Head of Wall Deflection Systems
Fire-Rated
•
Deflection Track
•
Deflection Track with
Fire Stop System
•
Slotted Track
Deflection Track
• Product
• Assembly
– Perpendicular
• Advantages
OR
– Parallel
• Disadvantages
Deflection Track with Firestop System
• Products/Assembly
• Advantages
• Disadvantages
Slotted Track
• Product
Slotted Track
• Assembly
• Advantages
• Disadvantages
Architect and Engineer Considerations
Labor Benefits to Owner when specifying a
proprietary system:
•
•
•
•
Material cost savings
Installation labor cost savings
Inspections passed
Rare or No call backs from owner
Results in Happier clients & reduced liability
Architect and Engineer Considerations
Design benefits when specifying a
proprietary system:
• Pre-approved & code compliant
• Easy to specify & detail
• Proven systems that labor force understands
how to install every time
• Most can meet fire rating & have been tested
by:
– U.L.
– Warnock Hersey
– Others
Architect and Engineer Considerations
• Tested and approved system
• Vertical movement (Structural Engineer of Record)
• Clear documents
Architect and Engineer Considerations
• Price and Installation
• Compliance and Submittals
• Specifications
This Concludes:
Construction Joints
Head of Wall Deflection Systems
This Course is Sponsored By:
An AIA Continuing Education Program
Credit for this course is 1 AIA/CES
Learning Unit for HSW credit.
Course Title: Construction Joints: Head Of Wall Deflection
Systems
Course Number: DMF002
QUESTIONS?
Thank you!
Others services offered by
Dietrich Metal Framing include…
Dietrich Metal Framing
 Specification Reviews: Our Architectural Services Group will review your
specifications and return a copy to you. Email an electronic copy of your
specification to Sheila Kovarik at [email protected]
 Code Compliance website: Download state specific compliance checklists,
view compliance presentations, link to related sites, etc. Visit us at
www.dietrichindustries.com and click on the ‘Code Compliance’ link
 Cold-Formed Engineering Services: Dietrich Design Group is an engineering
company that provides engineered shop drawing services. In addition it may
be able to assist you with preliminary member sizing and technical support.
Contact Dietrich Design Group at 800-873-2443
 Technical Literature: Update your library with copies of our catalogs. We are
your source for all of your framing product needs…drywall and structural metal
framing products, lath and trim products, vinyl and paper accessory products,
etc. For the latest information visit us at www.dietrichindustries.com
 Continuing Education Units: Dietrich offers a variety of either online or faceto-face AIA registered CEU courses. Visit our website at
www.dietrichindustries.com/AIA/