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ORSC Section R703.1 Task Force
     
     
 
Purpose
Members
Notices, agendas, minutes, and archived video
Related materials
 
 
 
Purpose
The purpose is to provide clarity to industry and the public on the intent and future practice relating to the language in Section R703.1 of the ORSC and to explore whether a regional approach is appropriate.
 
 
Members
Name
 Representing
Johnathan Balkema Oregon Home Builders Association
   
Scott Caufield Building Official, Clackamas
   
David Deharpport Residential Structures Board Member
   
Mike Goodrich Residential Structures Board Member
   
Richard Lowell Central Oregon Home Builders Association
   
Frank Orell City of Warrenton
   
George Tsongas Consulting Engineer
   
 
 
Notices, agendas, minutes, and archived video
March 16, 2009 Public meeting notice and agenda Minutes Archived video*
November 19, 2008 Public meeting notice and agenda Minutes Archived video*
October 29, 2008 Public meeting notice and agenda Minutes Archived video*
       
* Video may be obtained through a public record request.
 
Related materials
Listed below are some of the documents and studies related to drainage characteristics that the division has consulted. The studies are provided here for the information of the public.
 
University of Massachusetts
House wraps expose
 
University of Waterloo
Building paper expose
 
National Research Council - Canada
Research report on vapor permeances, air permeances, and water absorption coefficients of building membranes
 
Civil Engineering Dept & School of Architecture, University of Waterloo, John Straube, Ph.D.
The Role of Small Gaps Behind Wall Claddings on Drainage and Drying
 
George Tsongas, Ph.D., P.E.
Consulting Engineer/Building Scientist
Professor Emeritus of Mechanical Engineering
Portland State University
Construction Claims, Water Damage In Walls & Household Mold, Causes & Solutions
 
Evaluating Drainage characteristics of Water Resistive Barriers as part of an Overall Durable Wall Approach for the Building Enclosure
A copy of this "copyrighted" article is available for purchase from ASTM at www.astm.org.

If you would like to review this article, it is available at the Building Codes Division located at the address below. You are encouraged to make prior arrangements to ensure that we are able to service your request in a prompt manner. Please contact Richard Baumann at (503) 373-7559 or at Richard.j.baumann@state.or.us.

Building Codes Division
1535 Edgewater St NW
Salem, OR 97304

 
Improving Drainage and Drying
Improving Drainage and Drying – Absorptive Claddings – NAHB