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HomeMy WebLinkAboutLetter; Review ATI Test Report on Fiberglass• YOUR VISION OUR MIS 10. N'
December 20, 2012
Mr. Floyd Johnson
Style Crest Inc.
600 Hagerty Drive
Fremont, OH 43420
Dear Mr. Johnson:
A 0Cl�o
RESOURCES e0co0d7
APPLICATIONS,1"7j'%e
DESIGNS &
CONTROLS, ,INC.
3220 E.59TH STREET
LONG BEACH, CA 90805
Tel (562) 272=7231
Fax (562) 529-7513
:www.RADCOinc.com
qmail:.info@RAbd6.inc..com
RE: Review ATI test report.on fiberglass coated plywood steps
for compliance with the most recent code versions
We have received the test report, you submitted from Architecturaffesting (ATI), York, PA. The
details are as follows:
Report number: 01-3791104, dated 11/7/03
Title: Step Performance Test Report
Products covered: 4-Tread, Dura-Grip II, Step Unit [A five riser, four tread step fabricated
with pressure treated lu,mber.and fiberglass].
At your request, we have evaluated the test report against the building codes outlined below.
cODE'....
20081nternazi©naI Building Code (IBC) .
Stairway Dimension
Requirement
Tested Value (2)
Compliance
Width (1)
36" minimum
38"
Pass (1)
Riser Height
7" maximum, 4"minimum
7"
Pass
Tread Depth
11" minimum
11-1/2"
Pass
Tread Leading Edge Radius
1/2" maximum
Less than 1/2"
'Pass
CODE"
2006 Intemat�onal Residential: Code (IRC)
Stairway Dimension
Requirement
Tested Value (2)
Compliance
Width
36" minimum
38"
Pass
Riser Height
7-3/4" maximum
7"
Pass
Tread Depth
10" minimum
11-1/2"
Pass
Tread Leading Edge Radius
9/16" maximum
Less than 1/2"
Pass
VINYL SIDING INSTITUTE.
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Mr. Floyd Johnson
Style Crest Inc.
December 20, 2012
Page 2
CODE • .
2007 FioridaBuilding :Code (FBC)
Stairway Dimension
Requirement
Tested Value (2)
Compliance
,Width
36" minimum
38"
Pass (1)
Riser sleight
7" maximum, 4" minimum
TO
Pass
Tread Depth
11" minimum
11-1/2"
Pass
Tread Leading Edge Radius
1/2" maximum
Less than 112"
Pass
CO®E. ,
2009 International,Buildinq Code (I113C) ;
Stairway Dimension
Requirement
Tested Value (2)
Compliance
Width
36" minimum
38"
Pass (1)
Riser height
7" maximum, 4" minimum
T'
Pass
Tread Depth
11" minimum
11-1/2"
Pass
Tread Leading Edge Radius
9/16" maximum
Less than 1/2"
Pass
CODE
20®9 International Residential Code (IRC)
Stairway Dimension
Requirement
Tested Value (2)
Compliance
Width
36" minimum
38"
Pass
Riser Height
7-3/4" maximum
7"
Pass
Tread Depth
10" minimum
11-1/2"
Pass
Tread Leading Edge Radius
9116" maximum
Less than 1/2"
Pass
CODE ,
, =2010 Florida Building: Code (FBC) .
Stairway Dimension
Requirement
Tested Value (2)
Compliance
Width
36" minimum
38"
Pass (1)
Riser Height
7" maximum, 4" minimum
7"
Pass
Tread Depth
11" minimum
11-1/2"
Pass
Tread Leading Edge Radius
9/16" maximum
Less than 1/2"
Pass
CODE,
20121nternational Building Code (IBC)
Stairway Dimension
Requirement
Tested Value (2)
Compliance
Width
36" minimum
38"
Pass (1)
Riser Height
7" maximum, 4" minimum
7"
Pass
Tread Depth
11" minimum
11-1/2"
Pass
Tread Leading Edge Radius
9/16" maximum
Less than 1/2"
Pass
Mr. Floyd Johnson
Style Crest Inc.
December 20, 2012
Page 3
CODE .
2012 International -Residential Code (IRC)
Stairway Dimension
Requirement
Tested Value (2)
Compliance
Width
36" minimum
38"
Pass
Kiser Height
7-314" maximum
7"
Pass
Tread Depth
10" minimum
11-1/2"
Pass
Tread Leading Edge Radius
9116" maximum
Less than 1/2"
Pass
?Votes: (1) 44" minimum or 36" if serving an occupant load less than 60.
(2) The tested values have been taken from the referenced ATI test report,
RADCO has not independently verified any of the actual dimensions, and is not
responsible for the accuracy of these dimensions.
CONCLUSION:
There have either been no changes in the dimensional requirements in the IBC, IRC and the
FBC or, as in the case of the Tread Leading Edge Radius, the requirements have been slightly
relaxed, when compared to the requirements listed in the referenced"ATI test report number 01-
3701104, dated 11/7/03. The product is therefore in compliance with the dimensional
requirements of all editions of the IBC, IRC and the FBC referenced above for the four (4)
dimensions shown in the tables.
Please call if you have, any questions.
RADCO
Sanjay "Jay" IVlishra, Vice President
Testing Laboratories & Code Interface Services
SM/sm
RADCO WO No. C2482A
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