Technical Specifications

ESR-1767
|
Most Widely Accepted and Trusted Page 2 of 5
2. Verification of visual inspection, welding material used,
storage conditions for weld material, joint preparation,
conformance of weld procedures with AWS D1.1 or
D1.3 (depending on thickness of material) and size and
type of weld.
3. Installation description, including verification of full
bearing of post on plate and orientation of plate to post
(the plate is at a 90-degree angle to the axis of the
post).
5.0 CONDITIONS OF USE
The Akron adjustable and fixed columns described in this
report comply with, or are suitable alternatives to what is
specified in, those codes listed in Section 1.0, subject to
the following conditions:
5.1 Akron adjustable and fixed columns must be
fabricated and installed in accordance with this report,
the manufacturer’s published installation instructions
and the applicable code. In the event of a conflict
between the manufacturer’s published installation
instructions and this report, this report governs.
5.2 Where required by the code official or this report,
engineering calculations and construction documents
consistent with this report must be submitted for
approval. The documents must contain details of the
attachment to the structure consistent with the
requirements of this report. The documents must be
prepared by a registered design professional where
required by the statutes of the jurisdiction in which the
project is to be constructed.
5.3 Loading on Akron adjustable and fixed columns must
be limited to the maximum concentric axial
compressive loads indicated in Tables 2 and 3. Other
loading conditions, such as (but not limited to)
eccentric loads, tensile axial loads, bending loads,
and lateral loads, are beyond the scope of this report.
5.4 Connections of the post to the foundation and the
supported construction are outside the scope of this
report and must be approved by the code official.
5.5 Maximum adjustment of the Akron adjustable column
is 4 inches and the overall column height must be
limited to the maximum height. Akron adjustable
columns must be limited to the maximum lengths
given in Table 2.
5.6 Akron adjustable and fixed columns are manufactured
at Meadville, Pennsylvania, under a quality control
program with inspections by Benchmark Holdings
L.L.C. (BMH) (AA-660).
6.0 EVIDENCE SUBMITTED
Data and test reports in accordance with the ICC-ES
Acceptance Criteria for Adjustable Steel Columns (AC335),
dated February 2008 (editorially revised March 2011).
7.0 IDENTIFICATION
All Akron fixed and adjustable columns are marked at the
plant with the manufacturer’s name, post diameter,
thickness, allowable concentric axial compressive load,
strength design load, specified yield strength of the post
material, model number, the name of the inspection
agency Benchmark Holdings L.L.C. (BMH) and the
evaluation report number (ESR-1767).
TABLE 1—DIMENSIONAL PROPERTIES ADJUSTABLE AND FIXED COLUMNS
Nominal
Tube Diameter
3 in. 3
1
/
2
in. 4 in.
Nominal tube thickness 0.120 in. 0.120 in. 0.216 in. 0.120 in. 0.226 in.
Top plate
(H plate or standard plate)
H Plate
ASTM A 1011 CS Type B Steel 0.120 minimum thickness
See Figure 1 for dimensions.
Standard Plate
ASTM A 1011 CS Type B Steel 0.120 minimum thickness
See Figure 1 for dimensions.
Minimum
Plate thickness
0.120 in. 0.120 in. 0.200 in. 0.120 in. 0.250 in.
Adjustment Mechanism
“Shoulder nut”
thickness
3
/
4
in.
3
/
4
in. 1 in.
3
/
4
in. 1
1
/
2
in.
Adjusting screw
Outside Diameter (O.D.)
1
1
/
4
in. 1
1
/
4
in. 1
1
/
2
in. 1
1
/
4
in. 1
1
/
2
in.
Minimum Swivel
plate thickness
0.120 in. 0.120 in. 0.200 in. 0.120 in. 0.25 in.
Handle to adjust
the screw
15
/
32
in. diameter by 7 in. length
For SI: 1 inch = 25.4 mm.