SECTION 715 OPENING PROTECTIVES
715.4.6 Glazing material.
Fire-protection-rated glazing conforming to the opening protection
requirements in Section 715.4 shall
be permitted in fire door assemblies.
715.4.6.1 Size limitations.
Wired glass used in fire doors shall comply with Table
715.5.3. Other fire-protection-rated glazing shall comply
with the size limitations of NFPA 80.
Exceptions:
I.
Fire-protection-rated glazing
in fire doors located in fire walls shall be prohibited except
that where serving as a horizontal exit, a self- losing swinging
door shall be permitted to have a vision panel of not more
than 100 square inches (0.065 m2) without a dimension
exceeding 10 inches (254 mm).
2.
Fire-protection-rated glazing shall not be installed in fire
doors having a 11/2-hour
fire protection rating intended for installation in fire barriers,
unless the glazing is not more than 100 square inches (0.065
m2) in area.
715.4.6.2 Exit and elevator
protectives. Approved fire-protection-rated glazing
used in fire door assemblies in elevator and exit enclosures
shall be so located as to furnish clear vision of the passageway
or approach to the elevator, ramp or stairway.
715.4.6.3 Labeling.
Fire-protection-rated glazing shall bear a label or other
identification showing the name of the manufacturer, the
test standard and information required in Section
715.5.8.1 that shall be issued by an approved agency
and shall be permanently affixed to the glazing.
715.4.6.3.1 Identification.
For fire-protection-rated glazing, the label shall bear
the following four-part identification: "D - H or NH
- T or NT - XXX." "D" indicates that the
glazing shall be used in fire door assemblies and that the
glazing meets the fire resistance requirements of the test
standard. "H" shall indicate that the glazing
meets the hose stream requirements of the test standard.
"NH" shall indicate that the glazing does not
meet the hose stream requirements of the test. "T"
shall indicate that the glazing meets the temperature requirements
of Section 715.4.4.1. "NT"
shall indicate that the glazing does not meet the temperature
requirements of Section 715.4.4.1.
The placeholder "XXX" shall specify the fire-protection-rating
period, in minutes.
715.4.6.4 Safety
glazing. Fire-protection-rated glazing installed in fire
doors or fire window assemblies in areas subject to human
impact in hazardous locations shall comply with Chapter 24.
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