HomeMy WebLinkAboutFIRE ENDURANCE ASSEMBLIES - 02-00049 - 885 Andrews Pl - 4-PlexThe f011Owing floor/ceifing assemblies have been tested and ach0
i�ved the fr
e endurance rating
shown for each..
45 MINUTE ASSEMBLY RATING
60 MINUTE ASSEMBLY RATING
lightweight concrete or approved
shown in any of these assemblies
10 1 ` m i tln i u
. 48/�4 tongue-and-groove span -rated sheathing
(Exposure ! )
z. Single layer Valp thick Type )C gypsum board
3. TJIc,,, join or open -web truss
A single layer of X0!20 span -raked sheathing
(Exposure I ) over joists at 29" ori -Center with
1 112" lightweight concrete or 1 " of gypsum con-
crete is an allowed deck afternative, If the joists
are spaced no more than 20" on -center, a 3/4,"
thick gypsum concrete topp-
ing is permitted,
A 45 minute floarlceiiing system currently is
not used in the United States.
REF., ITS directory of Design TjMIFCA 450
Listed produces Desig,n, TQM/FCA �502
ASSEMBLY A
I. Double wood floor
2. TjIc�l j r i oropen-web truss
3. Fixture prot n
I. 2� X 48 il rece,-Srsed lighl fi>cture
5. Cold-roPecl char nels
6, 1201 air diffuser
7. Therrnafibei4!11 or Fibrex�'11-Fl3X or
F1 rx_ I F mineral wool blankets
E 11 -
8. J/8 acoustical Panels 2�px 24P' supported
by ari approved exposed fire -rated
suspension sXstern
REF: NSR- 148, NER-200
ASSEMBLY B
!, 98/24 tongu e- a n.d -groove span -rates!
Sheathing (Exposure I
Z. Two layers 112" thick Type X gypsurn board
3. Tfle joist or open -wpb truss
4. Optional 3'/2" thick glass fiber batt
insulation (riot shown)
REF: NER- 198,NER-200,
UL Design No. L5 18
Resilient charyn l be installed
the iigl-q 2nd gypsum board if ire' r_# 5TC
and JJC sound ratings are desired,
gypsum tapping with opprob,rlate sheathing con be substituted dor the decking material