Marshall Stamping Company
355 Glade Mills Road
Valencia, PA 16059
(800) 635-1166
www.marshallstamping.com

1.0 Subject
Marshall Extend-O-Column
Marshall Fixed Length Column

2.0 Research Scope

2.1 Building Codes:
2009 International Building Code (IBC)
2009 International Residential Code (IRC)

2.2 Properties:
Structural
Corrosion Protection

3.0 Description

3.1 General – The Marshall Extend-O-Column and Marshall Fixed Length Column are adjustable and fixed columns, respectively, constructed of carbon steel for use in supporting loads in wood frame and light steel frame construction. The column sizes that are recognized in this report are listed in Tables A through H. Refer to Figure 1 for column details.

3.2 The posts are fabricated from the steel grades listed below.
• Tube - ASTM A500 Grade B Carbon Steel
• Flange - ASTM A36 Hot-Rolled Carbon Steel
• Screw - AISI 1117 Carbon Steel

3.3 Corrosion protection - All Marshall Stamping steel column sections are protected with a rust inhibiting enamel applied to all surfaces including the inside of the column.

3.4 The columns, both fixed length and adjustable, are produced in three diameters – 3.0, 3.5, and 4.0 inches - with either an 11 gauge or 0.216 inch thickness. Refer to Tables A through H.

3.5 The adjustable columns are available in lengths from six (6) feet to twelve (12) feet, four (4) inches as designated in Tables A through D.

3.6 The fixed length columns are available in lengths from five (5) feet, nine (9) inches to twelve (12) feet as designated in Tables E through H.

4.0 Installation

4.1 Installation shall be in accordance with the applicable code, manufacturer's installation instructions and this report. Where differences occur between this report and the manufacturer's installation instructions, this report shall govern.

4.2 The Marshall Extend-O-Column must be installed with the adjustable screw mechanism on the bottom. The entire adjustment mechanism, including the entire collar nut, shall be encased in minimum 3500 psi concrete.

5.0 Supporting Evidence

5.1 Manufacturer's drawings and installation instructions.

5.2 Engineering calculations in accordance with American Institute of Steel Construction (AISC) 360-05, Specification for Structural Steel Buildings.

5.3 Reports of load testing in accordance with ASTM E 72, as referenced by ICC-ES AC335, Acceptance Criteria for Adjustable Steel Columns, effective March 1, 2008.

5.4 Quality control manual in accordance with ICC-ES AC10, Acceptance Criteria for Quality Documentation, effective March 1, 2009.

6.0 Conditions of Use

6.1 The steel columns identified in this report are deemed to comply with the referenced building codes subject to the following conditions.

6.2 Steel column structural elements shall be designed to safely support applicable loads and load combinations in accordance with Chapter 16 of the IBC.