SECTION 23 33 00.19
SMOKE CONTROL DAMPERS
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PART 1  	GENERAL
1.1	SECTION INCLUDES
A.	Class I smoke dampers designed for fan isolation and suitable for application in HVAC systems with velocities to 5,000 feet per minute (1,524 m/min). Model SD102.
1.2	RELATED SECTIONS
A.	Section 23 31 00 – HVAC Ducts and Casings.
B.	Section 23 09 00 – Instrumentation and Control for HVAC.
1.3	REFERENCES
A.	AMCA 500 - Test Methods for Louvers, Dampers and Shutters.
B.	NFPA 90A - Installation of Air Conditioning and Ventilating Systems.
C.	NFPA 92A - Smoke-Control Systems.
D.	UL 555S - Standard for Safety; Leakage Rated Dampers for Use in Smoke Control Systems. 
E.	USGBC: U.S. Green Building Council LEED® Rating System.
1.4	DEFINITIONS
A.	Damper Terminology:  Definitions of terms for metal louvers contained in AMCA 500 apply to this Section unless otherwise defined in this Section or in referenced standards.
B.	Horizontal Damper:  Damper with horizontal blades; i.e., the axes of the blades are horizontal.
C.	Vertical Damper:  Damper with vertical blades; i.e., the axes of the blades are vertical.
1.5	ACTION SUBMITTALS
A.	Comply with requirements of Section 01 33 00 - Submittal Procedures.
B.	Product Data:  Submit manufacturer's product data.
1.	Submit manufacturer's product data, including leakage, pressure drop, and maximum pressure data in accordance with AMCA 500 testing.  Submit data for full range of damper sizes.
2.	Verify conformance to NFPA 90A, NFPA 92A, UL 555S, and applicable building code.
3.	Verify damper pressure drop ratings based on tests and procedures performed in accordance with AMCA 500.
4.	Indicate materials, construction, and dimensions.
5.	Include a copy of the Installation Instructions.
C.	Shop Drawings:
1.	Submit shop drawings indicating materials, construction, dimensions, accessories, and installation details.
D.	Product Schedule:  For dampers.  Use same designations indicated on Drawings.
E.	Samples:  Submit sample of damper to show frame, blades, actuator, accessories, finish, and color.
1.6	INFORMATIONAL SUBMITTALS
A.	Qualification Data:  For manufacturer and Installer.
B.	Product Test Reports:  For each type of damper, for tests performed by a qualified testing agency.
C.	Field quality-control reports.
D.	Sample Warranties:  For manufacturer's warranties.
1.7	QUALITY ASSURANCE
A.	Manufacturer Qualifications:
1.	The manufacturer shall have implemented the management of quality objectives, continual improvement, and monitoring of customer satisfaction to assure that customer needs and expectations are met.
2.	Manufacturer shall be International Organization for Standardization (ISO) 9001 accredited.
B.	Installer Qualifications:
1.	USGBC LEED Compliance:  The Work of this section shall be in accordance with applicable portions of the U.S. Green Building Council’s LEED Green Building Rating System. Refer to Divisions 23 and 26 Sections and other related documents bound herein for purposes of complying with this requirement.
C.	Product Qualifications:
1.	Damper pressure drop ratings shall be based on tests and procedures performed in accordance with AMCA 500.
2.	Damper Capacity:  Demonstrate damper capacity to open and close under HVAC system operating conditions in accordance with UL 555S.
a.	Closed Position:  Maximum pressure of 6 inches w.g. (1.5 kPa).
b.	Open Position:  Maximum air velocity of 2,000 feet per minute (610 m/min).
1.8	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.
1.9	WARRANTY
A.	Manufacturer shall provide standard limited warranty for damper systems for a period of one year from date of installation, no more than 18 months after shipment from manufacturing plant. When notified in writing from the Owner of a manufacturing defect, manufacturer shall promptly correct deficiencies without direct financial cost to the Owner.  
PART 2  	PRODUCTS
2.1	MANUFACTURER
A.	Ruskin Company, 3900 Dr. Greaves Road, Kansas City, Missouri 64030.  Phone (816) 761-7476.  Fax (816) 765-8955.  Web Site http://www.ruskin.com.
B.	Substitutions:  Not permitted.
2.2	SMOKE DAMPERS
A.	Model: SD102 as manufactured by Ruskin Company.
B.	Ratings:
1.	Smoke Rating: Leakage Class II: 20 cubic feet per minute per square foot (0.57 m3/min/m2) at 4 inches w.g.
2.	Air Flow Rating:  UL approved for dual directional air flow.
3.	Elevated Temperature Qualified:  Damper and actuator assembly qualified in accordance with UL 555S to elevated temperature:
a.	Elevated Temperature Rating: 250 degrees F (121 degrees C).
4.	Capacity:  Demonstrate capacity of damper and actuator assembly to operate, by opening and closing, in HVAC system operating conditions.
a.	Closed Position:  Maximum pressure of 6 inches w.g. (1.5 kPa).
b.	Open Position:  Maximum air velocity of 2,000 feet per minute (610 m/min).
C.	Construction:
1.	Frame:  8 inches x 2 inches x minimum 12 gage (203 MM x 51 MM x minimum 2.7 mm) galvanized steel channel.
2.	Damper Material: Galvanized steel.
3.	Blades:
a.	Style: Airfoil-shaped, single piece.  Flat blades shall not be acceptable.
b.	Action:  Parallel (standard).
c.	Action:  Opposed (optional).
d.	Orientation:  Horizontal.
e.	Material:  Minimum 0.080 inch (2.1 mm) thickness, 6063-T5 extruded aluminum.
f.	Width:  Maximum 7-3/4 inches (197 mm).
4.	Bearings:  Self-lubricating stainless steel sleeve.
5.	Seals: 
a.	Blade: Silicone rubber edge type for smoke seal to 450 degrees F (232 degrees C).  Mechanically attached to blade edge.
b.	Jamb:  Stainless steel, flexible metal compression type.
6.	Linkage:  Side linkage out of airstream.
7.	Axles:  Minimum 1/2 inch (13 mm) diameter plated steel, hex-shaped, mechanically attached to blade.
8.	Mounting:  Vertical.
9.	Mounting:  Horizontal.
10.	Actuator:
a.	Type: Electric 120 V, 60 Hz, two-position. 
b.	Type: Pneumatic 20 to 30 psi (138 to 207 kPa) supply air pressure, two-position.
c.	Fail Position:  Closed.
d.	Fifteen Second Criteria:  Meet UBC 15 second operation requirement.
e.	Mounting: External.
f.	Mounting: In airstream.
11.	Finish:  Mill aluminum.
2.3	ACCESSORIES
A.	Indicator or Auxiliary Switch Package: SP 100 Switch Package – Two position indicator switches linked directly to damper blade to remotely indicate damper blade position.
B.	Duct Transition Connection:  Round flange.
C.	Duct Transition Connection:  Rectangular flange.
D.	Bolt Holes: Hole pattern in flanges.
2.4	SOURCE QUALITY CONTROL
A.	Factory Tests: Factory cycle damper and actuator assembly 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 Installation Instructions.
B.	Install dampers square and free from racking with blades orientation as scheduled or required.
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, actuator, or jackshaft.
E.	Install bracing for multiple section assemblies to support assembly weight and to hold against system pressure.  Install bracing as needed.
F.	Install connections to actuators as specified in other specification sections.
END OF SECTION