Fire-Resistant Assemblies SA-100 - CGC

E
Structural Fireproofing
Beam
2 Hour Fire-rated Construction Reference
Construction Detail Description Test Number Comments ARL Index
3 Hour Fire-rated Construction
98 mm
(3 7 ⁄8")
105 mm
(4 1 ⁄8")
100 mm
(4")
70 mm
(2 3 ⁄4")
70 mm
(2 3 ⁄4")
100 mm
(4")
4 Hour Fire-rated Construction
48 mm
(1 7 ⁄8")
48 mm
(1 7 ⁄8")
• 15.9 mm (5/8�) SHEETROCK FIRECODE ULC Des O503 Structural member tested: SA920 E-14
Core Gypsum Panels or O504 W8 x 24 (beam only)
– 42 mm (1-5/8�) steel run channel brackets or UL Des N501
610 mm (24�) o.c. or N502
– 35 x 22 mm (1-3/8� x 7/8�) corner angles
attached to channel brackets
– joints finished
– 64 mm (2-1/2�) concrete deck on fluted steel floor
• optional veneer plaster
– 42 mm (1-5/8�) steel run channel UL Des N505 Structural member tested: SA920 E-15
brackets 610 mm (24�) o.c. W8 x 24 (beam only)
– 22 x 35 mm (7/8� x 1-3/8�) corner angles Fire rating for restrained assembly; 2 hr rating
attached to brackets for unrestrained assembly
• 15.9 mm (5/8�) SHEETROCK FIRECODE
Core Gypsum Panels
– 25 mm (1�) 0.8 mm (20 gauge) hex mesh on
bottom over middle layer
– joints finished
– 64 mm (2-1/2�) concrete deck on fluted steel floor
– 42 mm (1-5/8�) steel run channel UL Des N505 Structural member tested: E-16
brackets 610 mm (24�) o.c. W8 x 24 (beam only)
– 3 x 35 mm (1/8� x 1-3/8�) corner angles attached
to channel brackets
• 15.9 mm (5/8�) GRAND PRIX FIRECODE
Core Gypsum Base
– 25 mm (1�) 0.8 mm (20 gauge) hex mesh on
bottom over middle layer
– metal beads on corners
– joints taped
• 1.5 mm (1/16�) veneer plaster finish
– 64 mm (2-1/2�) concrete deck on fluted steel floor
– 3.4# self-furring diamond mesh metal lath UL Des D403 Structural member tested: SA920 E-17
enclosing beam W12 x 58
• 38 mm (1-1/2�) 100:2 gypsum-perlite plaster Suitable for protection of beams and girders
55 CGC Fire-Resistant Assemblies