Fire-Resistant Assemblies SA-100 - CGC

B
Floor/Ceilings
Steel Framed
2 Hour Fire-rated Construction Steel Bar Joist Framing (Refer to ULC/UL Design Directory listings for loading conditions. See page 6.) Acoustical Performance Reference
Construction Detail Description Test Number STC Test Number ARL Index
540 mm
(21 1 ⁄4")
352 mm
(13 7 ⁄8")
• CGC DGL Drywall Suspension System ULC Des I517 B-12
• 12.7 mm (1/2�)SHEETROCK FIRECODE C Gypsum Panels
screwed to Rigid X Suspension System
– concrete 64 mm (2-1/2�) thick on metal lath,
pan or steel floor units over bar joists
– includes 3 hour unrestrained beam, air ducting
and recessed lighting fixtures
• 12.7 mm (1/2�) SHEETROCK FIRECODE C Gypsum Panels ULC Des I518 B-13
screwed to furred or suspended channel
– concrete 70 mm (2-3/4�) thick on Hambro
Structural system steel joist H601, H675, TC
or RTC, spaced 1200 mm (48�) o.c.
– includes air ducting
clg. wt. 2 • 12.7 x 610 x 610 mm (1/2� x 24� x 24�) FC-CB ULC Des I520 SC2000 B-14
gypsum panels or UL Des G222
• DXL, DXLA, DXLH, DXLZ, DXLZA, SDXL,
559 mm
(22")
533 mm
(21")
609 mm
(24")
543 mm
(21 3 ⁄8")
or SDXLA Susp Exp Grid System
– light fixtures and air ducts optional
– 64 mm (2-1/2�) concrete deck on riblath or
corrugated steel deck
– steel bar joists, 610 mm (24�) o.c.
• 15.9 mm (5/8�)SHEETROCK FIRECODE UL Des G529 B-15
C Core Gypsum Panel
• DGLW Drywall Suspension System
– light fixture and air duct optional
– 81 mm (3-1/4�) concrete deck on riblath or
corrugated steel deck
– also applies to 15.9 mm (5/8�) panels and
70 mm (2-3/4�) concrete slab
– steel bar joists, 610 mm (24�), o.c.
• optional veneer plaster
• 15.9 mm (5/8�) or 19.1 mm (3/4�) 300 x 300 mm UL Des G002 SC2000 B-16
(12� x 12�) or 610 mm (24�) FR-83 acoustical
ceiling panels in Concealed Z-Spline Grid System
– light fixture and air duct optional
– 64 mm (2-1/2�) concrete deck on riblath
– steel bar joists, 610 mm (24�) o.c.
27 CGC Fire-Resistant Assemblies