Ruskin Manufacturing	January 1997
3900 Dr. Greaves Road
Kansas City, Missouri  64030
Phone		(816) 761-7476
Fax		(816) 765-8955

Product Guide Specification

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Specifier Notes:  This product guide specification is written according to the Construction Specifications Institute (CSI) MasterFormat, Three-Part SectionFormat, and PageFormat, contained in the CSI Manual of Practice.  Five-digit section numbers are from MasterFormat, 1995 edition.

The section must be carefully reviewed and edited by the Engineer to meet the requirements of the project and local building code.  Coordinate with other specification sections and the drawings.

Delete all "Specifier Notes" when editing this section.
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SECTION 15820

FIRE DAMPERS

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Specifier Notes:  This section covers Ruskin Manufacturing UL classified 1-1/2 hour rated static curtain type fire dampers, suitable for application in static HVAC systems only, Model IBD40.  Consult Ruskin for assistance in editing this section for specific applications.
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PART 1	GENERAL

1.1	SECTION INCLUDES

A.	UL classified 1-1/2 hour rated static curtain type fire dampers, suitable for application in static HVAC systems only.

1.2	RELATED SECTIONS

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Specifier Notes:  Edit the following list as required for the project.  List other sections with work directly related to the dampers.
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A.	Section 15810 - Ducts.

1.3	REFERENCES

A.	CSFM - California State Fire Marshall Listing for Fire Damper and Smoke Damper.

B.	NFPA 90A - Installation of Air Conditioning and Ventilating Systems.

C.	UL 555 - Standard for Safety; Fire Dampers.

1.4	SUBMITTALS

A.	Comply with requirements of Section 01330 - Submittal Procedures.

B.	Product Data:  Submit manufacturer's product data.
1.	Indicate materials, construction, dimensions, and installation details.
2.	Verify conformance to NFPA 90A, UL 555, CSFM, and applicable building code.

1.5 	QUALITY ASSURANCE

A.	Manufacturer:  Test and qualify with UL a complete range of damper sizes covering dampers specified.  Testing 1 size only is not acceptable.	

1.6	DELIVERY, STORAGE, AND HANDLING

A.	Delivery:  Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly indicating manufacturer and material.

B.	Storage:  Store materials in a dry area indoors, protected from damage and in accordance with manufacturer's instructions.

C.	Handling:  Handle and lift dampers in accordance with manufacturer's instructions.  Protect materials and finishes during handling and installation to prevent damage.

PART 2	PRODUCTS

2.1	MANUFACTURER

A.	Ruskin Manufacturing, 3900 Dr. Greaves Road, Kansas City, Missouri 64030.  Phone (816) 761-7476.  Fax (816) 765-8955.

2.2	FIRE DAMPERS

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Specifier Notes:  Consult Ruskin for assistance in selecting from options for specific applications.
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A.	Fabrication:
1.	Model:  IBD40.
2.	Fire Rating:  UL 555 classified and labeled as a 1-1/2 hour static fire damper.
3.	Air Flow Rating:  UL approved for dual directional air flow.

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Specifier Notes:  Frame and sleeve are roll formed together as one-piece integral sleeve frame.  Integral sleeve frame is delivered directly to the site and reduces installation time and cost.  Specify factory sealant, if required.
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4.	Integral Sleeve Frame:  Minimum 20 gage x 14 inches (0.9 x 356 mm) roll formed, galvanized steel.
a.	Factory Sealant:  Apply to dampers in HVAC systems with pressures to maximum 4 inches w.g. (1 kPa).
5.	Blades:
a.	Style:  Curtain type, in airstream.
b.	Action:  Spring or gravity closure upon fusible link release.
c.	Orientation:  Horizontal.	
d.	Material:  Minimum 24 gage (0.6 mm) roll formed, galvanized steel.
6.	Closure Springs:  Type 301 stainless steel, constant force type, if required.

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Specifier Notes:  Specify standard fusible link or optional ETL temperature release device.  Specify release temperature for fusible link.
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7.	Temperature Release Device:
a.	Fusible link, [165 degrees F (74 degrees C)] [212 degrees F (100 degrees C)] [285 degrees F (141 degrees C)].
b.	ETL, 24 VAC/VDC, 165 degrees F (74 degrees C).
8.	Mounting:  [Vertical] [Horizontal].

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Specifier Notes:  Specify one duct transition connection, based on damper style.
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9.	Duct Transition Connection, Damper Style:
a.	Rectangular:  [A] [B].
b.	Round:  [LR] [R] [RA].
c.	Oval:  LO.

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Specifier Notes:  Standard finish is mill galvanized.  Consult Ruskin for assistance in specifying special finishes for specific applications.
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10.	Finish:  Mill galvanized.
11.	Assembly:  Factory assemble damper and accessories and furnish as a single unit conforming to UL 555.

B.	Performance Data:
1.	Temperature Qualified:  Damper qualified in accordance with UL 555 as a 1-1/2 hour fire damper.

2.3	ACCESSORIES

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Specifier Notes:  Consult Ruskin for assistance in specifying accessories for specific applications.
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A.	Indicator Switches:  [Microswitch] [SP 200].  Allows for remote indication of damper blade position.  One per section required.

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Specifier Notes:  Ruskin picture frame mounting angles are built to the exact dimensions of the damper and are shipped on the damper.  Picture frame mounting angles reduce installation time and cost.
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B.	Picture Frame Mounting Angles:
1.	One-piece, roll formed retaining angles [1-1/2 x 1-1/2 inches (38 x 38 mm)] [1-1/2 x 2-1/2 inches (38 x 64 mm)].
2.	Factory matched and shipped on individual damper.
3.	Factory prepunched screw holes.
4.	Requires factory sleeve.

C.	Steel Mullions:  For dampers in oversized masonry wall openings.

D.	Breakaway Connection:  [Drivemate] [Ductmate].

2.4 	SOURCE QUALITY CONTROL

A.	Factory Tests:  Factory cycle damper to assure proper operation.

PART 3	EXECUTION

3.1	EXAMINATION

A.	Inspect areas to receive dampers.  Notify the Engineer of conditions that would adversely affect the installation or subsequent utilization of the dampers.  Do not proceed with installation until unsatisfactory conditions are corrected.

3.2	INSTALLATION

A.	Install dampers at locations indicated on the drawings and in accordance with manufacturer's UL approved installation instructions.

B.	Install dampers square and free from racking with blades running horizontally.

C.	Do not compress or stretch damper frame into duct or opening.

D.	Handle damper using sleeve or frame.  Do not lift damper using blades or accessories.

E.	Install bracing for multiple section assemblies to support assembly weight and to hold against system pressure.  Install bracing as needed.

END OF SECTION