ASTM E2358-04(2010)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E2358 −04 (Reapproved 2010)
Standard Specification for
the Performance of Glass in Permanent Glass Railing
Systems, Guards, and Balustrades
This standard is issued under the fixed designation E2358; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope E2025 TestMethodforEvaluatingFenestrationComponents
and Assemblies for Resistance to Impact Energies (With-
1.1 This specification covers glass in permanent railing
drawn 2015)
systems, guards and balustrades installed in agricultural,
F1233 Test Method for Security Glazing Materials And
assembly, commercial, educational, industrial, institutional,
Systems
recreational, and residential buildings.
E935 Test Methods for Performance of Permanent Metal
1.2 This specification is intended to be applied to permanent
Railing Systems and Rails for Buildings
glass railing systems for buildings and to such railing systems,
E1481 Terminology of Railing Systems and Rails for Build-
rails, guards and balustrades having major structural compo-
ings
nentsmadeofglass,orthesecondarycomponentssuchasinfill
E2353 Test Methods for Performance of Glazing in Perma-
or balusters made of glass.
nent Railing Systems, Guards, and Balustrades
1.3 This specification considers that the overall outlook is
2.2 Other Standards:
based on the health and safety of all potential users of
ANSI Z97.1 Glazing Materials Used in Buildings, Safety
buildings. The criteria incorporated in this specification pro-
Performance Specifications and Methods of Test
vide for normal and anticipated building uses, but not for
CPSC 16 CFR Part 1201 Architectural Glazing Materials,
abuses for which the building and its components are not
Federal Register
designed.
3. Terminology
1.4 This specification establishes basic minimum require-
ments and criteria that lead to satisfactory products under
3.1 Definitions:General terms used in this standard test
normal use conditions and does not give consideration to method are defined in Terminologies E631 and E1481. Terms
designcriteriaforspecificfieldconditions,theestablishmentof
common to this standard test method and referenced test
which is the prerogative and responsibility of the designer,
methods are defined in the respective document unless defined
specification writer, and regulatory agencies.
herein.
3.2 Definitions of Terms Specific to This Standard:
1.5 This standard does not purport to address all of the
3.2.1 Failure Load—A load, which, if placed upon a struc-
safety concerns, if any, associated with its use. It is the
ture or test piece, is just great enough to break it.
responsibility of the user of this standard to establish appro-
priate safety and health practices and to determine the
3.2.2 Glazing Retention—the property of maintaining the
applicability of regulatory limitations prior to use.
glass or glazing material, post breakage, in a system, such that
the glass must be held in the framing system with no opening
2. Referenced Documents
sufficient to pass a 76 mm (3 in.) solid steel sphere through the
system using a horizontally applied force of 18 N (4.0 lbs).
2.1 ASTM Standards:
E631 Terminology of Building Constructions
3.2.3 Guard System—A protective railing system along the
outer edges of locations of an accessible roof, parapet, balcony,
landing, platform or ramp, designed to minimize the probabil-
This specification is under the jurisdiction of ASTM Committee E06 on
ity of an accidental fall from the walking surface.
Performance of Buildings and is the direct responsibility of Subcommittee E06.56
on Performance of Railing Systems and Glass for Floors and Stairs.
Current edition approved Oct. 1, 2010. Published November 2010. Originally
approved in 2004. Last previous edition approved in 2004 as E2358 – 04. DOI: The last approved version of this historical standard is referenced on
10.1520/E2358-04R10. www.astm.org.
2 4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM 4th Floor, New York, NY 10036.
Standards volume information, refer to the standard’s Document Summary page on Available from U.S. Consumer Product Safety Commission (CPSC), 4330
the ASTM website. East-West Hwy., Bethesda, MD 20814.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
E2358 − 04 (2010)
3.2.4 Interlayer—a layer of material acting as an adhesive height of the top of the railing above the finished floor
between lites of glazing, which adds additional performance including any variation shall be at least 1220 mm (48 in.).
attributes to the finished product, for example: impact
4.1.1.4 For balconies in public-assembly buildings, the
resistance, solar control, and acoustical insulation.
required railing height in front of the first row of fixed seats
3.2.5 Lite—a term for a single pane (or piece) of glass or
shall be reduced to 660 mm (26 in.) provided adequate safety
other glazing material. is established by the design and approved by the authority
having jurisdiction; however, it shall be a minimum of 910 mm
3.2.6 Stile—one of the upright structural members of a
(36 in.) at aisle ends and a minimum of 1070 mm (42 in.)
frame or a framework of bars
where aisle steps are perpendicular to the railing system.
4. Design Requirements
4.1.2 Handrails and Stair-rail Systems
4.1 Railing Height
4.1.2.1 In corridors, ramp, walkways, and enclosed stair-
4.1.1 Guardrail Systems:
ways having a slope of at least 1 in 20, the height of the
4.1.1.1 The fabricated height of a guardrail system, mea-
handrail of the stair-rail system, measured from its top surface
sured from its top surface to the finished floor level, shall be at
to the finished floor level or tread-nose line, shall be not less
least 1070 mm (42 in.). When variation in the evenness of the
than 860 mm (34 in.) nor more than 970 mm (38 in.). When a
finished floor will result in any individual height measurement
stair-rail system is higher than 970 mm (38 in.), a separate
of the installed guardrail system to be less than 1040 mm (41
handrail shall be installed at a height of not less than 860 mm
in.),thefabricatedheightoftheentireguardrailsystemshallbe
(34 in.) nor more than 970 mm (38 in.).
increased accordingly.
4.1.2.2 Where required and in childcare and educational
4.1.1.2 Within an individual dwelling unit, the required
facilities serving children under the age of 12 years, a second
railing height shall be permitted to be reduced as allowed by
separate handrail shall be permitted to be installed at a
the governing jurisdiction.
mounting height of 610 mm to 710 mm (24 in. to 28 in.). The
(1) Where the vertical distance between adjacent finished
vertical clearance between the handrails shall be at least 230
floor levels is less than 1830 mm (72 in.), the height of the
mm (9 in.).
guardrail system shall be at least 810 mm (32 in.) (Fig. 1).
4.1.3 Transfer Rails Systems—where transfer rail systems
When variation in the evenness of the finished floor results in
are to be installed, such as in toilets and bathrooms, the
any individual height measurement of the installed guardrail
required height, measured from its top surface to the finished
system less than 790 mm (31 in.), the fabricated height of the
floorlevel,shallnotbelessthan760mm(30in.)normorethan
entire guardrail system shall be increased accordingly.
860 mm (34 in.).
(2) Where the vertical distance between adjacent finished
floor levels is a minimum of 1830 mm (72 in.), the height shall
4.2 Railing System Penetration
be a minimum of 860 mm (34 in.) (Fig. 2). When variations in
4.2.1 Various members of the railing system, such as
the evenness of the finished floor results in individual height
balusters, screens, wire mesh, or scrolls, shall be arranged in
measurements of the installed guardrail system less than 840
such a way that a sphere, 76 mm (3 in.) in diameter cannot be
mm (33 in.), the fabricated height of the guardrail system shall
passed through any opening in the system.
be increased accordingly.
4.1.1.3 Inpublicassembly,elementaryschool,andmultiple- 4.2.2 Toe boards shall be provided in areas where tools and
other objects could be dislodged and fall on occupants below.
family buildings where the vertical distance between stair and
adjacentfloorlevelsismorethan6100mm(20ft),therequired The top of the toe board shall not be less than 102 mm (4 in.)
FIG. 1 Guardrail height for adjacent floors with wall heights up to but not including 1830 mm (72 in).
E2358 − 04 (2010)
FIG. 2 Guardrail height for adjacent floors with wall heights equal to or greater than 1830 mm (72 in.)
andthebottomnotmorethan12mm( ⁄2in.)abovetheaverage 4.4.4 The hand-grip portion of the transfer rail shall have a
finished level at the line of the vertical supports of the railing perimeter of not less than 102 mm (4 in.) nor more than 165
system. mm (6- ⁄2 in.), and a maximum to minimum cross-sectional
dimension ratio of not more than two.
4.3 Handrail Design:
4.4.5 Transfer rails shall not be located in a wall recess
4.3.1 Handrails shall be designed to permit continuous
unless this recess is not more than 76 mm (3 in.) deep and
sliding of hands. The hardware chosen for attaching handrails
extends at least 460 mm (18 in.) above the top of the transfer
to balusters or walls shall be such that projecting lugs, devices,
rail, with the extension parallel with the wall surface or sloping
or other construction elements shall have no sharp edges or
fromthedepthoftherecesstothewallsurfaceabovetherecess
dangerous protrusions.
in such a way that grasping of the transfer rail and transfer of
4.3.2 Handrail ends shall be returned to supporting walls or
the body weight is not impeded.
otherwisearrangedtoavoidprojectingrailends.Wallhandrails
at stairs and ramps and other handrails that are not continuous 4.5 Special Consideration Concerning Performance of
shallbeextendedhorizontallyforadistanceofatleast305mm Structural System—In the event of lateral loading resulting
(12in.)beyondtheintersectionofthefinishline(planeoftread from
...