Greenheck Tunnel Corridor Supplement (463832) User Manual

Cfsd series, 1 hour corridor ceiling fire smoke dampers

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background image

Refer to:
‘Installation Instructions for CFSD Series
Corridor Ceiling Dampers’ (Part #461335) for
additional details.

Detail ‘A’: Forming Channel

Figure #1: Opening Preparation Detail (top view)

Notes

1. Gypsum panels must be screwed 12 in. (305mm) O.C.

(on center) maximum to all stud and runner flanges
surrounding opening with 1

5

/

8

in. (41mm) drywall screws

or fasteners designated by the appropriate corridor
ceiling design. (See Figure 1 for Opening Preparation
Details).

2. Retaining angles must be attached to the sleeve (not the

partition). (See Figure 2 and 3.)

- Retaining angles must be a minimum of 20 gauge

(1mm) steel and have a minimum of 1

1

/

2

in. x 1

1

/

4

in.

(38mm x 32mm) legs.

- Retaining angles must be attached to the sleeve using

one of the methods shown below.

- tack or spot welds
- #10 sheet metal screws
-

1

/

4

in. x 20 bolts and nuts

-

3

/

16

in. (4.7mm) steel rivets

- Quick-Lock Joints

- A minimum of two connections per side, top, and

bottom (12 in. [305mm] on center maximum).

- Retaining angles must overlap the partition a minimum

of 1 in. (25mm)

- A minimum

3

/

4

in. x 20 gauge (19mm x 1mm) flange

termination may be used in lieu of retaining angles on
the corridor side of the damper sleeve.

Cut here and

bend down

Copyright © 2013 Greenheck Fan Corporation

463832 Tunnel Corridor Supplement Rev. 5 January 2013

24" O.C.

Maximum

Side

Runner

Detail ‘A’

Side

Runner

2”

2”

12”

A

A

Two

Panhead

Screws

“UL CLASSIFIED (see complete marking on

product)”

“UL CLASSIFIED to Canadian safety standards

(see complete marking on product)”

Standard 555, 555S (Listing #R13317)

Document Number 463832

INStALLAtION INStrUCtION SUPPLEMENt

CFSD Series

1 Hour Corridor Ceiling Fire Smoke Dampers

Metal Stud Framing for Fire Dampers in tunnel Corridor

Shaftwall Ceilings

Retaining

angle

5

/

8

" UL Classified Gypsum

Wallboard min.

20 ga. steel
stud

Damper

Sleeve

Angle

Fastener

(see Note 2)

1”

Min.

2

1

2

” min. stud

Screws

2

1

2

” min.

stud

Section A-A

Figure #2: 1 Hour Shaftwall rating (‘C’ Channel)

Retaining

angle

5

/

8

" UL Classified Gypsum

Wallboard min. (see UL

Rated Wall Design for

Additional Details)

20 ga. steel
J-Runner

C-H Stud

Damper

Sleeve

Angle

Fastener

(see Note 2)

1”

Min.

2

1

2

” 20 ga.

steel J-Runner

Screws

2

1

2

” min.

stud

Section A-A

Figure #3: 1 Hour Shaftwall rating (‘C-H’ Channel)

®

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