HomeMy WebLinkAboutMiscellaneous Compliance Report 2011-8-3
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Exterior Wall Envelope
Self-Certification Form
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owner-builder at the following address:
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Permit#
. am the general contractor or the
To conform to the 2008 Oregon Residential Specialty Code (ORSq, Section
R703.1.1, I am notifying the building official that I am aware of the exterior wall
envelope requirements of R703.1.1, and hereby certify that the components of
the exterior wall envelope have been installed in accordance with the code
requirements. [Section R703.1.1 is provided for reference on the reverse side of
this form.]
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Revised: 2/8/2010
Excerpt from Z008 Oregon Residential Specialty Code Section R703, Exterior Covering:
R703.1.1 . Exterior Wall Envelope. To promote builaing durability, the exterior wall envelope shall
be instailed in a manner that water that enters t,he assembly can drain to the exterior. The envelope
shail consist of an exterior veneer, a water-resistive barrier as required in R703.2, a minimum 1/8
inch space between the water-resistive barrier and the exterior veneer, and integrated flashings as
required in R703.8. The required space shail be formed by the use of any non-corrodible furring
strip, drainage mat or drainage board. The envelope shail provide prop~r integration of flashings
with the water-resistive barrier, the space provided and the exterior veneer. These components, in
conjunction, shail provide a means of draining water that enters the assembly to the exterior.
Exceptions:
1. A space is not required where the exterior veneer is instailed over a water-resistive barrier
complying with section R703.2 which is manufactured in a manner to enhance drainage and
meets the 75% drainage efficiency requirement of ASTM E2273 or other recognized
national standards.
2. A space is not required where window sills are equipped with pan flashings which drain to
the exterior surface of the veneer in a through wail fashion: Ail pan flashings shail be
detailed within the construction documents and shail be of either a self-adhering
membrane complying with AAMA 711-07 or of an approved corrosion-resistant material or
a combination thereof. Self-adhering membranes extending to the exterior surface of the
veneer shail be concealed with trims or other measures to protect from sunlight.
3. A space is not required where the exterior veneer is manufactured in a manner to enhance
drainage and meets the 75% drainage efficiency requirements of ASTM E2273 or other
recognized national standards and is instailed over a water resistive barrier complying with
section R703.2.
4. A space is not required where the exterior veneer is matching an existing exterior finish as
in additions, alterations, or repairs.
5. A water-resistant exterior wail envelope shail not be required over concrete or masonry
wails designed in accordance with Chapter 6 and flashed according to section R703.7 or
R703.8.
6. Compliance with the requirements for a means of drainage, and the requirements of
Section R703.2 and Section R703.8, shall not be required for an exterior wail envelope that
has been demonstrated to resist wind-driven rain through testing of the exterior wall
envelope, including joints, penetrations and intersections with dissimilar.materials, in
accordance with ASTM E 331 under the following conditions:
6.1. Exterior wall envelope test assemblies shail inClude at least one opening, one control
joint, one wail/eave interface and one wall sill. Ail tested openings and penetrations
shail be representative of the intended end-use configuration.
6.2. Exterior wail envelope test assemblies shail be at least 4 feet by 8 feet in size.
6.3. Exterior wail assemblies shail be tested at a minimum differential pressure of 6.24
pounds per square foot.
6.4. Exterior wail envelope assemblies shail be subjected to a minimum test exposure
duration of 2 hours.
The exterior wail envelope design shall be considered to resist wind-driven rain where the
results of the testing indicate that water did not penetrate: control joints in the exterior
wail envelope; joints at the perimeter of openings penetration; or intersections of
terminations with dissimilar materials.
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225 FIFTH STREET
SPRINGFIELD, OR 974n
PHONE (541)726-3753
FAX (541)725-3689
. wWw.ci.springfield.cr.us.
MOISTURE-CONTENT ACKNOWLEDGEMENT FORM
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buiJaer anlie following aililress: .
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Permit #
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If applicable:
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Subdivision/Lot
Map and Tax Lot
To conform with the 2008 Oregon Residential Specialty Code (ORSC), Section R3l8.2, I am notifying
the builcling official that I am aware of the moisture content reqUirement of ORSC Section iu 18.2 and
.have taken steps to meet this code requirement. [Section R3l8.2 is provided for ref~ence.]
(' Section R318.2 Moisture content. Prior to iSsuance of the insulation/vapor barrier approval
required by R109.1.5.2 of this code: ...
. (A) All moisture-sensitive wood framing members Used in cunstruction shall have a
-moistiiIecqhtep.t"6Jnot more thiiri.19.perceiit oftlie weighfofarywood frii:iriiig
members.
(B) The general contractor or the oWher who was issuedtlie structural perinit shall
notify the building official on a division approved form that the contractor or the owner
who was issued the structural permit is aware of and has taken steps to meet the
. requn:ement in paragraph (A). .
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Signature
Date
l:\Moisture Content Ac:Jmol't' Form.dac