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

DUCT ACCESS DOORS

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Specifier Notes:  This section covers Ruskin Manufacturing galvanized steel SMACNA standard duct access doors for rectangular steel ductwork, Models ADH12, ADH22, ADC12, and ADC22.  These doors offer quick, easy installation wherever duct access is needed.  Consult Ruskin for assistance in editing this section for specific applications.
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PART 1	GENERAL

1.1	SECTION INCLUDES

A.	Galvanized steel SMACNA standard duct access doors for rectangular steel ductwork.

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 duct access doors.
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A.	Section 15810 - Ducts.

1.3	REFERENCES

A.	AMCA 500 - Test Methods for Louvers, Dampers and Shutters.

B.	SMACNA HVAC Duct Construction Standards.

1.4	SUBMITTALS

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

B.	Product Data:  Submit manufacturer's product data.
1.	Include leakage and maximum pressure data.
2.	Indicate materials, construction, dimensions, and installation details.
3.	Verify leakage ratings based on tests and procedures performed in accordance with AMCA 500.
4.	Verify duct access doors constructed in accordance with SMACNA HVAC Duct Construction Standards.

1.5 	QUALITY ASSURANCE

A.	Leakage Ratings:  Duct access door leakage ratings based on tests and procedures performed in accordance with AMCA 500.

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 duct access doors 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	DUCT ACCESS DOORS

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Specifier Notes:    SMACNA standard duct access doors for steel ductwork are available as Model ADH12 - hinged, single skin; Model ADH22 - hinged, double skin; Model ADC12 - removable, single skin; and Model ADC22 - removable, double skin.  Specify required model and delete the others.  Consult Ruskin for assistance in selecting duct access doors for specific applications.  
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A.	Fabrication:
1.	Model:  [ADH12] [ADH22] [ADC12] [ADC22].
2.	Frame:  Minimum 22 gage (1.1 mm) roll formed, galvanized steel with installation tabs.

3.	Door:
a.	Type:  [Hinged, single skin] [Hinged, double skin] [Removable, single skin] [Removable, double skin].
b.	Material:  Minimum 22 gage (1.1 mm) galvanized steel.

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Specifier Notes:  Specify Ruskin walk-through access doors Model GPAD, for doors larger than 24 x 24 inches (610 x 610 mm).  Specify Ruskin duct access doors Model ADR16, for round ductwork.  These models are specified in separate guide specifications.
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c.	Size:
1)	Minimum:  6 x 6 inches (152 x 152 mm).
2)	Maximum:  24 x 24 inches (610 x 610 mm).

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Specifier Notes:  Delete hinge if doors are removable type.
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4.	Hinge:  Continuous, piano-type.
5.	Lock:  Manually operated cam.
6.	Insulation:  Minimum 1 inch (25 mm) thick fiberglass.
7.	Seals:  Foam gasket, between door and frame and between frame and duct.

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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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8.	Finish:  [Mill galvanized] [Stainless steel].		

B.	Performance Data:
1.	Leakage:
a.	Double Skin Door:  Maximum 0.15 cubic feet per minute per square foot (0.05 m3/min/m2) at 1 inch w.g. (0.25 kPa) through 24 x 24 inch (610 x 610 mm) double skin door.
b.	Single Skin Door:  Maximum 0.20 cubic feet per minute per square foot (0.06 m3/min/m2) at 1 inch w.g. (0.25 kPa) through 24 x 24 inch (610 x 610 mm) single skin door.

2.3	ACCESSORIES

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Specifier Notes:  Window permits visual duct inspection without door removal.  Window can be specified for double skin doors only.  If window is desired, specify Model ADCW22 in place of ADC22, or specify Model ADHW22 in place of ADH22.  Consult Ruskin for assistance in specifying accessories for specific applications.
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A.	Window:  Round, transparent plexiglass panel.

B.	Brass cams.

C.	Compression latches, Ventlock 100.

D.	Neoprene seals.

E.	Security chain for cam type doors.

PART 3	EXECUTION

3.1	EXAMINATION

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

3.2	INSTALLATION

A.	Install duct access doors at locations indicated on the drawings and in accordance with manufacturer's installation instructions.

B.	Install duct access doors square and free from racking.

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

D.	Handle duct access doors using frame.

END OF SECTION