Chapter 7 Fire and Smoke Protection Features Flashcards
Fire resistance rating of building elements, components or assemblies shall be determined by the test…
Set forth in ASTEM E119 or UL 263
Fire Resistance-rated glazing shall bear a…
permanently labeled identified fire resistance rating on the glazing
Marking and ID in accessible concealed floor, attic, fire wall, fire barrier/partitions, smoke barrier/partitions with opening is…
required and permanently
Marking and ID in accessible concealed floor, attic, fire wall, fire barrier/partitions, smoke barrier/partitions shall be located….
within 15 feet of the end of each wall & not over 30 feet horizontally
Sealing of adjacent mass timber elements shall be..
- at butting edges of intersections of mass timber with fire resistance rated elements
- at butting intersections of mass timber and other materials that also are fire resisted rated
where columns need protection..
the entire column shall be provided individual encasement all over; in full height including connections
where structural frames other than columns need protection…
the entire structural frame shall be provided individual encasement all over; in full height including connections
secondary structural frames shall be…
protected by individual encasements
light-frame construction located between the top or bottom plate shall..
be permitted to have fire resistance ratings provided by the membrane
Horizontal assemblies are protected with…
a membrane or ceiling
protection of concrete or masonry can only be penetrated by…
no more than .5 inches
impact protection/damage shall…
be protected by corner guard, jacket of metal, or noncombustible material no less than 5 feet in height from floor
Bottom flange, shelf angles and plates spanning no more than 6feet 4inches
shall need no fire protection
(SFRM)
Spray Fire Resistance Material
Spray Fire Resistance Material (SFRM) can be painted/primed if…
- beam flange- 12 inches or less
- column flange- 16 inch or less
- beam/column web depth- 16 inch or less
4.Average bond strength 80% and up
Individual bond strength 50% and up
Spray Fire Resistance Material Temperature
40*F for no less than 24 hrs
vertical separation of openings within 5 ft and with fire protection of no less than 3/4 hr shall…
shall be separated no less than 3 ft by assemblies that have no less than 1 hr rated or by flame barrier no less than 30 inches
Flame barriers shall have..
no less than 1 hr fire resistance rating
Parapets shall be provided on…
exterior walls of building
(exceptions: 7-11)
height of parapets minimum
no less than 30 inches above roof surface and wall intersect
Fire walls shall provide…
complete separation
Party walls shall be constructed..
without openings and shall create separate buildings
Fire walls designed for…
collapse of structure on either side without collapse of fire wall
Fire walls shall be continuous from exterior wall to exterior wall …
no less than 18 inches beyond the exterior surface of exterior walls
each opening in fire wall shall not exceed…
156 square feet
the aggregate width of openings at any floor shall not exceed
25% of the length of wall
Fire barriers shall extend from
top of foundation to below to the underside of the floor; shall be securely attached thereto.
each opening in fire barrier shall not exceed
156 square feet
Fire partitions shall have no less than…
1 hr fire resistance rating
smoke barriers shall have no less than…
1 hr resistance rating
smoke barriers shall form…
an affective membrane from top of foundation to below to the underside of the floor; through concealed spaces
shaft enclosures in four stories or higher…
no less than 2 hrs fire resistance rating
shaft enclosures in 3 stories or less…
no less than 1 hr fire resistance rating
shaft enclosures in floor assemblies…
2 hr or less fire resistance rating
opening in shaft enclosure ..
Have Doors that shall be self or auto closing by smoke detect.
Trash chute shall be
located in rooms or compartments enclosed by no less than 1 hr fire barrier
Penetration in Concrete or Mansory
Maximum 6 inch in diameter
Maximum area 144 square feet
through penetration system install…
ASTM E814 or UL1479
no less than F rating with 1 hr or more
Membrane penetration shall not
reduce fire resistance when installed
Membrane penetrations with maximum 2 hr fire resistance shall not exceed
16 square inches in area
The annular space between wall membrane and the electrical box shall not exceed
1/8 inch
Penetrations in smoke barriers shall not exceed
5.0 cfm per square foot of penetration opening
50 cfm for any 100 square feet of wall area
Fire test criteria
ASTM E2307
Fire rated glazing identification
D - Allow in Fire Door Assemblies
H - Meets the Hose Stream Req.
T - Meets the Temperature Req.
Fire door assemblies minimum
20 min fire protection
smoke and draft control; Air leakage rate shall not exceed
3 cubic feet per minute
(louvers are prohibited)
Doors in interior exit stairways, ramps, and exit passageways shall not exceed
450*F after 30 min test.
Glazing in Door shall not exceed
100 square inches
In 20 min fire door glazing needs to be
20 mins fire protection rated also
Fire door shall be
latching and self or auto-closing
should a latch be required for a fire door
yes
Door that are auto closing by smoke detector shall not have more than a
10 second delay before door start to close
The total area of the glazing in fire protected window shall not
exceed 25% of the area of a common wall with any room
Smoke damper leakage rating shall be
Class I or Class II
Elevated temp shall not be less than 250*F
where a smoke damper is installed in a duct a
smoke detector shall be installed
smoke detector in duct shall
be within 5 feet of the damper
openings in fire rated exterior walls shall have
a fire damper
Fireblocking shall be installed to…
cut off concealed draft openings and form an effective barrier between floors
Fire blocking material
- 2 inch nominal lumber
- Two 1-inch nominal lumbar with broken lap joints
etc. (Section 718.2)
batts or blankets of mineral wool or mineral fiber allowed in
10 foot horizontal fireblocking
Connections between horizontal and vertical spaces need
Fireblocking
Draftstopping installed in…
Floor/ceiling assembly to subdivide
Draftstopping in other groups than R shall
not exceed 1000 square feet
Draftstopping material
1/2 inch gypsum board
3/8 inch wood structural panel
3/8 inch particleboard
1 inch nominal lumber
etc.
Combustible materials in concealed spaces in Type I or Type II is
not allowed
1/2 inch of unsanded gypsum plaster equals
3/4 of one-to-three gypsum sand plaster
or
1 inch of Portland cement sand plaster
Double reinforcement;
Plaster more than 1 inch shall be reinforced with…
3/4 inch of approved lath embedded no less than n3/4 for outer surface
insulating materials installed in any type of building needs
flame spread index no more than 25
smoke developed index no more than 450
minimum concrete cover for columns shall be
no less than 1 inch x the number of hours of Fire resistance required or 2 inches. (whichever is less)
