ICC ESR-2795 for Low-Velocity Power-Actuated X-DR, X-DR MX and X-HS Rod Hanger Assemblies

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opyright © 2021 ICC Evaluation Service, LLC. All rights reserved. Page 1 of 11
IC
C-ES Evaluation Report
ESR-2795
Reissued June 2021
Revised August 2021
This report is subject to renewal June 2023.
www.icc-es.org | (800) 423-6587 | (562) 699-0543 A Subsidiary of the International Code Council
®
DIVISION: 03 00 00CONCRETE
Section: 03 16 00—Concrete Anchors
D
IVISION: 05 00 00METALS
Section: 05 05 23Metal Fastenings
RE
PORT HOLDER:
HI
LTI, INC.
E
VALUATION SUBJECT:
H
ILTI LOW-VELOCITY POWER-ACTUATED X-DR,
X-DR MX AND X-HS ROD HANGER ASSEMBLIES AND
X-MW ALH AND X-MW MX WIRE HANGER ASSEMBLIES
1.
0 EVALUATION SCOPE
Compliance with the following codes:
2021, 2018, 2015, 2012 and 2009 International Building
Code
®
(IBC)
2021, 2018, 2015, 2012 and 2009 International
Residential Code
®
(IRC)
2013 Abu Dhabi International Building Code (ADIBC)
The ADIBC is based on the 2009 IBC. 2009 IBC code sections referenced
in this report are the same sections in the ADIBC.
For evaluation for compliance with codes adopted by Los
Angeles Department of Building and Safety (LADBS), see
ESR-2795 LABC and LARC Supplement
.
Property evaluated:
Structural
2.0 USES
Hilti X-DR, X-DR MX and X-HS low-velocity, power-
actuated, rod hanger assemblies and the X-MW ALH and X-
MW MX low velocity, power-actuated wire hanger
assemblies are used as alternatives to the cast-in-place
anchors described in IBC Section 1901.3 (2012 IBC Section
1908; 2009 IBC Section 1911) for placement in concrete,
and the welds and bolts used to attach materials to steel,
described in IBC Sections 2204.1 and 2204.2, respectively.
The rod hanger assemblies are used to connect smooth and
threaded steel rods to the supporting material. The wire
hanger assemblies are used to connect wire to the
supporting material. For structures regulated under the IRC,
the rod and wire hanger assemblies may be used where an
engineered design is submitted in accordance with IRC
Section R301.1.3.
3.0 DESCRIPTION
3.1 X-DR Rod Hanger Assemblies:
The Hilti X-DR rod hanger assembly is intended to resist
tension loads only. The assembly consists of an X-ALH low
velocity, power-actuated fastener with a premounted steel
angle/coupler/rod assembly. The Hilti X-DR rod hanger is
available in two assemblies, X-DR ALH22 and
X-DR ALH27, for which Hilti X-ALH22 and X-ALH27
fasteners are used, respectively. See Figure 1 for an
illustration of the X-DR rod hanger assembly.
3.1.1 Fastener: The X-ALH fastener is formed from carbon
steel and is heat-treated to a nominal core hardness of 58
HRC. The fastener has a smooth tapered shank, with a
nominal diameter beyond the taper of
0.177 inch and a head diameter of 0.322 inch. The shank
length is 0.87 inch (22mm) for the X-ALH22 fastener and
1.06 inch (27 mm) for the X-ALH27 fastener. The fastener
has a zinc coating and is assembled with a plastic washer.
3.1.2 Angle: The steel angle is manufactured from zinc-
coated cold-formed steel complying with Hiltis
specifications.
3.1.3 Rivet and Coupler: The galvanized steel rivet is
used to attach the galvanized steel coupler to the angle. The
galvanized steel coupler has an internal threaded hole of
1
/
4
-
inch-diameter (6.4 mm) to accommodate connection of a
rod.
3.1.4 Rods: The rods are galvanized steel. Smooth rods
with a threaded end and threaded rods of various lengths
are available. The smooth rods have a nominal diameter of
0.215 inch (5.45 mm) and a minimum tensile strength of
87 ksi (600MPa). The threaded rods have a 1/4-20 UNC-2A
thread and a minimum tensile strength of 87 ksi (600MPa).
The rods are supplied with a plastic cap at the unconnected
end.
3.2 X-DR MX Assembly:
The Hilti X-DR MX rod hanger assemblies are intended to
resist tension loads only. Each assembly consist of a steel
bracket, coupler and rod. The assemblies are installed in the
field with Hilti X-S 14 B3 or X-P 20 B3 fasteners (addressed
in ESR-1752
). See Figure 2 for an illustration of the X-DR
MX rod hanger assembly.
3.2.1 Bracket: The steel bracket is manufactured from
zinc-coated cold-formed steel complying with Hilti’s
specifications. The steel is bent to produce a uniquely
shaped bracket. The long leg of the bracket has a hole with
a nominal diameter of 0.169 inch (4.3 mm) to accommodate
the field installed power-actuated fastener.
3.2.2 Rivet and Coupler: The galvanized steel rivet is

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