Approval_FM for CFS-T cable transit system for penetrations

FM APPROVALS
3046888
Page 18 of 19
Appendix E
Page 1 of 2
FIRE STOP DESIGN 670
F Rating – 2 HR
T Rating – ½ HR and 1 HR (see item 3)
T
FM
Rating – 1 HR
1. FLOOR OR WALL ASSEMBLY. Min 4-1/2 in. (114 mm) thick lightweight or normal weight concrete floor or wall,
or minimum 8 in. (200 mm) thick concrete block wall. Max size of the opening is or 8.5 in. (215 mm) in
diameter.
2.FIRESTOP SYSTEM. The firestop system shall consist of the following:
Circular Firestop Devices – Circular firestop device for use in preformed openings. Firestop device located
on the top side of the floor or both sides of a wall. The firestop device shall be inserted into the framed
opening and friction fit on one side of the wall assembly. Each device consists of a seal plug unit with
compression device and single/multi-diameter elastomeric sealing modules. The square openings of each
device frame shall be filled with a single elastomeric sealing module with a max of one (1) cable per sealing
module. The firestop device shall be inserted into the opening with the steel flange of each firestop device
secured to the wall or floor with Hilti Kwik-Bolts through the predrilled holes in the mounting flange. After
installation of the modules into the device, the bolts of the compression device are tightened to form an
effective seal around the cables. The device shall be installed in accordance with the manufacturer’s written
installation instructions.