e.
Construction joints in floors and fire rated walls and partitions.
f.
Other locations where required to maintain fire resistance rating
of the construction.
3.2.1
Insulated Pipes and Ducts
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NOTE: Coordinate insulation requirements with
appropriate Sections.
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Thermal insulation shall be cut and removed where pipes or ducts pass
through firestopping, unless insulation meets requirements specified for
firestopping. Thermal insulation shall be replaced with a material having
equal thermal insulating and firestopping characteristics.
3.2.2
Fire Dampers
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NOTE: When including this paragraph, ensure that
the appropriate information is contained in Section
15895 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND
EXHAUST SYSTEM.
**************************************************************************
Fire dampers shall be installed and firestopped in accordance with Section
15895 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEM.
3.2.3
Data and Communication Cabling
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NOTE: The designer shall add note to the electrical
drawings stating: "Penetrations of fire-rated
partitions, walls or floors by data and
communication wiring or cable shall be through
modular, re-enterable firestopping device(s)
containing self-sealing intumescent inserts per
Specification Section 07840."
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Cabling for data and communication applications shall be sealed with
re-enterable firestopping products that do not cure over time.
Firestopping shall be modular devices, containing built-in self-sealing
intumescent inserts. Firestopping devices shall allow for cable moves,
adds or changes without the need to remove or replace any firestop
materials.
3.3
INSPECTION
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NOTE: For Army projects start at the third sentence
and use the second bracketed statement after
deleting the first bracketed statement; also, delete
inspection by manufacturer's representative for
small Army projects. For Navy projects use all
bracketed statements.
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SECTION 07840
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