Page 279 - ICC IEBC 2018

RESOURCE A

TABLE 3.1—continued
FLOOR/CEILING ASSEMBLIES—REINFORCED CONCRETE
PERFORMANCE REFERENCE NUMBER
ASSEMBLY REC.
ITEM CODE CONSTRUCTION DETAILS NOTES
THICKNESS HOURS
LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92
5″ deep; 4 / ″ (5830 psi) concrete deck; / ″
1
1
2
2
1
plaster finish bottom of slab; / ″ reinforce-
4
ment bars at 7 / ″ pitch with / ″ cover; / ″
3
7
1
F/C-5-RC-21 5″ 2 1 8 8 69 psf 2 hrs. 7 1, 3 2
main reinforcement bars at 3 / ″ pitch per-
2
1
pendicular with / ″ cover; 12′ span simply
2
supported.
1
1
4 / ″ (5290 psi) concrete deck; / ″ plaster
2
2
1
finish bottom of slab; / ″ reinforcement
4
3
1
7
8
2
8
1
F/C-5-RC-22 5″ bars at 7 / ″ pitch with / ″ cover; / ″ main No 2 hrs. 7 1, 10, 2 /
1
reinforcement bars at 3 / ″ pitch perpen- load 28 min. 11 4
2
1
dicular with / ″ cover; 12′ span simply
2
supported.
1
5″ (3020 psi) concrete deck; 3″ × 1 / ″ × 4 1 hr. 1, 2,
2
1
F/C-5-RC-23 5″ lbs. R.S.J.; 2′ C.R.S. with 1″ cover on bot- 172 psf 7 1 /
24 min. 12 2
tom and top flanges; 8′ span restrained.
1
5″ (5180 psi) concrete deck; / ″ retarded
2
1
plaster underneath slab; / ″ reinforcement
4
bars at 7 / ″ pitch with 1 / ″ cover; / ″ 2 hrs.
3
3
1
1
3
F/C-5-RC-24 5 / ″ 2 8 8 60 psf 7 1, 10 2 /
2 1 4
main reinforcement bars at 3 / ″ pitch per- 48 min.
2
pendicular with 1″ cover; 12′ span simply
supported.
1
6″ deep (4800 psi) concrete deck; / ″ rein-
4
forcement bars at 7 / ″ pitch with / ″
1
7
2
8
3
1
F/C-6-RC-25 6″ cover; / ″ main reinforcement bars at 3 / ″ 195 psf 4 hrs. 7 1, 7 4
2
8
pitch perpendicular with / ″ cover; 13′1″
7
8
span restrained.
1
6″ (4650 psi) concrete deck; / ″ reinforce-
4
ment bars at 7 / ″ pitch with / ″ cover; / ″
7
3
1
8
2
8
2 hrs.
1
1
F/C-6-RC-26 6″ main reinforcement bars at 3 / ″ pitch per- 195 psf 23 min. 7 1, 2 2 / 4
2
1
pendicular with / ″ cover; 13′1″ span
2
restrained.
1
6″ deep (6050 psi) concrete deck; / ″ rein-
4
forcement bars at 7 / ″ pitch / ″ cover; / ″
3
7
1
8
2
8
3 hrs.
1
1
F/C-6-RC-27 6″ reinforcement bars at 3 / ″ pitch perpen- 195 psf 30 min. 7 1, 10 3 / 2
2
dicular with 1 / ″ cover; 13′1″ span
2
restrained.
1
6″ deep (5180 psi) concrete deck; / ″ rein-
4
forcement bars at 8″ pitch / ″ cover; / ″
3
1
4
4
1
F/C-6-RC-28 6″ reinforcement bars at 5 / ″ pitch perpen- 150 psf 4 hrs. 7 1, 7 4
2
dicular with 1 / ″ cover; 13′1″ span
2
restrained.
6″ thick (4180 psi) concrete deck; 4″ × 3″
3
F/C-6-RC-29 6″ × 10 lbs. R.S.J.; 2′ 6″ C.R.S. with 1″ cover 160 psf 3 hrs. 7 1, 10 3 /
on both top and bottom flanges; 13′1″ span 48 min. 4
restrained.
6″ thick (3720 psi) concrete deck; 4″ × 3″
F/C-6-RC-30 6″ × 10 lbs. R.S.J.; 2′ 6″ C.R.S. with 1″ cover 115 psf 29 min. 7 1, 5, 1 /
on both top and bottom flanges; 12′ span 13 4
simply supported.
(continued)
260 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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