Page 278 - 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
4″ deep (2380 psi) concrete deck;
1
3″ × 1 / ″ × 4 lbs. R.S.J.; 2′6″ C.R.S.; flush
2
F/C-4-RC-12 4″ with top surface; 4″ × 6″ x 13 SWG mesh 150 psf 1 hr. 7 1, 2 1
3 min.
reinforcement 1″ from bottom surface;
6′6″ span restrained.
1
1
4 / ″ thick (5200 psi) deck; / ″ reinforce-
2
4
ment bars at 7 / ″ pitch with / ″ cover; / ″
7
1
3
4
8
8
3
1
F/C-4-RC-13 4 / ″ main reinforcement bars at 3 / ″ pitch per- 140 psf 2 hrs. 7 1, 3 2
2 4
1
pendicular with / ″ cover; 13′1″ span
2
restrained.
4 / ″ deep (2525 psi) concrete deck; / ″
1
1
4
2
reinforcement bars at 7 / ″ pitch with / ″
1
7
8
2
3
1
3
F/C-4-RC-14 4 / ″ cover; / ″ main reinforcement bars at 3 / ″ 150 psf 42 min. 7 1, 5 2 /
2 8 8 3
pitch perpendicular with / ″ cover; 13′1″
1
2
span restrained.
4 / ″ deep (4830 psi) concrete deck;
1
2
1
3
1 / ″ × No. 15 gauge wire mesh; / ″ rein-
2 8
1
1
F/C-4-RC-15 4 / ″ forcement bars at 15″ pitch with 1″ cover; 75 psf 1 hr. 7 1, 8 1 / 2
2
1
/ ″ main reinforcement bars at 6″ pitch
2 32 min.
1
perpendicular with / ″ cover; 12′ span
2
simply supported.
4 / ″ deep (4595 psi) concrete deck; / ″
1
1
2
4
reinforcement bars at 7 / ″ pitch with / ″
1
7
2
8
3
1
1
1
F/C-4-RC-16 4 / ″ cover; / ″ main reinforcement bars at 3 / ″ 75 psf 1 hr. 7 1, 8 1 /
2 8 2 20 min. 3
pitch perpendicular with / ″ cover; 12′
1
2
span simply supported.
4 / ″ deep (3625 psi) concrete deck; / ″
1
1
2
4
reinforcement bars at 7 / ″ pitch with / ″
7
1
8
2
3
1
1
F/C-4-RC-17 4 / ″ cover; / ″ main reinforcement bars at 3 / ″ 75 psf 35 min. 7 1, 8 1 /
2 8 2 2
pitch perpendicular with / ″ cover; 12′
1
2
span simply supported.
4 / ″ deep (4410 psi) concrete deck; / ″
1
1
2
4
reinforcement bars at 7 / ″ pitch with / ″
1
7
8
2
3
1
1
1
F/C-4-RC-18 4 / ″ cover; / ″ main reinforcement bars at 3 / ″ 85 psf 1 hr. 7 1, 8 1 /
2 8 2 27 min. 3
pitch perpendicular with / ″ cover; 12′
1
2
span simply supported.
3
1
4 / ″ deep (4850 psi) deck; / ″ reinforce-
2
8
ment bars at 15″ pitch with 1″ cover; / ″
1
2
1
1
F/C-4-RC-19 4 / ″ main reinforcement bars at 6″ pitch per- 75 psf 2 hrs. 7 1, 9 1 /
2 15 min. 4
1
pendicular with / ″ cover; 12′ span simply
2
supported.
1
1
4 / ″ deep (3610 psi) deck; / ″ reinforce-
2
4
ment bars at 7 / ″ pitch with / ″ cover; / ″
7
1
3
8
8
2
1
1
1
F/C-4-RC-20 4 / ″ main reinforcement bars at 3 / ″ pitch per- 75 psf 1 hr. 7 1, 8 1 /
2 2 22 min. 3
1
pendicular with / ″ cover; 12′ span simply
2
supported.
(continued)
2018 INTERNATIONAL EXISTING BUILDING CODE ® 259
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