SECTION 15936

AIR OUTLETS AND INLETS

PART 1 GENERAL

WORK INCLUDED

Diffusers.

Diffuser boots.

Registers/grilles.

Door grilles.

Louvers.

Louvered penthouses.

Roof hoods.

Goosenecks.

RELATED WORK

Section [_____-__________]: Door louvers.

Section [_____-__________]: Metal wall louvers.

Section 09900 - Painting: Painting of ductwork visible behind outlets and inlets.

REFERENCES

ADC 1062 - Certification, Rating and Test Manual.

AMCA 500 - Test Method for Louvers, Dampers and Shutters.

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

ARI 650 - Air Outlets and Inlets.

ASHRAE 70 - Method of Testing for Rating the Air Flow Performance of Outlets and Inlets.

SMACNA - Low Pressure Duct Construction Standard.

QUALITY ASSURANCE

Test and rate performance of air outlets and inlets in accordance with ADC Equipment Test Code 1062 and ASHRAE 70.

Test and rate performance of louvers in accordance with

AMCA 500.

REGULATORY REQUIREMENTS

Conform to ANSI/NFPA 90A.

MOCKUP

Provide mockup of typical [exterior] [interior] ceiling module with supply and return air outlets under provisions of Section [01400.] [01405.]

SUBMITTALS

Submit product data under provisions of Section [01300.] [01340.]

Provide product data for items required for this project.

Submit schedule of outlets and inlets indicating type, size, location, application, and noise level.

Review requirements of outlets and inlets as to size, finish, and type of mounting prior to submitting product data and schedules of outlets and inlets.

Submit [two] [_____] samples of each required air outlet and inlet type under provisions of Section [01300.] [01340.]

Submit manufacturer's installation instructions under provisions of Section [01300.] [01340.]

PART 2 PRODUCTS

ACCEPTABLE MANUFACTURERS - CEILING DIFFUSERS

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

ROUND CEILING DIFFUSERS

Round, [adjustable pattern,] stamped or spun, multicore type diffuser to discharge air in 360 degree pattern, with sectorizing baffles where indicated; [Model [_____] manufactured by [______________.]]

Project diffuser collar [not more than one inch (25mm)] above ceiling face and connect to duct with duct ring.[In plaster ceilings, provide plaster ring and ceiling

plaque.]

Fabricate of steel with baked enamel [off-white] [_____] finish.

Provide [radial opposed blade] [butterfly] [combination splitter] damper and multi-louvered equalizing grid with damper adjustable from diffuser face.

RECTANGULAR CEILING DIFFUSERS

Rectangular, [adjustable pattern,] stamped, multicore type diffuser to discharge air in 360 degree pattern with sectorizing baffles where indicated; [Model [_____] manufactured by [_______________.]]

Provide [surface mount] [snap-in] [inverted T-bar] [spline] type frame. [In plaster ceilings, provide plaster frame and ceiling frame.]

Fabricate of steel with baked enamel [off-white] [_____] finish.

Provide [radial opposed blade] [butterfly] [combination splitter] damper and multi-louvered equalizing grid with damper adjustable from diffuser face.

PERFORATED FACE CEILING DIFFUSERS

Perforated face with fully adjustable pattern and removable face; [Model [_____] manufactured by [_______________.]]

Provide [surface mount] [snap-in] [inverted T-bar] [spline] type frame. [In plaster ceilings, provide plaster frame and ceiling frame.]

Fabricate of steel with steel or aluminum frame and baked enamel [off-white] [_____] finish.

Provide [radial opposed blade] [butterfly] [combination splitter] damper and multi-louvered equalizing grid with damper adjustable from diffuser face.

ACCEPTABLE MANUFACTURERS - MODIFIED LIGHT TROFFER	DIFFUSERS

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MODIFIED LIGHT TROFFER DIFFUSERS

[Single] [Double] plenum type constructed independent of light troffers with volume and pattern controllers, [4] [5] [6] inch ([100] [125] [150] mm) round or oval [top] [side] air inlet; [Model [_______________] manufactured by [_______________.]]

Match diffusers to light troffers and connect in airtight connection without tools.

Fabricate of galvanized steel with welded or soldered joints and finish matte black inside.

ACCEPTABLE MANUFACTURERS - CEILING REGISTERS/GRILLES

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

CEILING SUPPLY REGISTERS/GRILLES

Streamlined and individually adjustable curved blades to discharge air along face of grille, [one-way] [two-way] deflection; [Model [_____] manufactured by [_______________.]]

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin frame with [countersunk screw] [concealed] mounting and gasket.

Fabricate of aluminum extrusions with factory [clear lacquer] [prime coat] [_____] finish.

Provide integral, gang-operated opposed blade dampers with removable key operator, operable from face.

CEILING EXHAUST AND RETURN REGISTERS/GRILLES

Streamlined blades, depth of which exceeds 3/4 inch (19 mm) spacing, with spring or other device to set blades, [vertical] [horizontal] face; [Model [_____] manufactured by [_______________.]

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm margin frame with [countersunk screw] [concealed] mounting.

Fabricate of steel with 20 gage (0.90 mm) minimum frames and 22 gage (0.80 mm) minimum blades, steel and aluminum with 20 gage (0.90 mm) minimum frame, or aluminum extrusions, with factory [baked enamel] [prime coated] [clear lacquer] [_____] finish.

Where not individually connected to exhaust fans, provide integral, gang-operated opposed blade dampers with

removable key operator, operable from face.

In gymnasiums, blades shall be front pivoted, welded in place or securely fastened to be immobile.

CEILING GRID CORE EXHAUST AND RETURN REGISTERS/GRILLES

Fixed grilles of 1/2 x 1/2 x 1/2 inch (13 x 13 x 13 mm) louvers; [Model [_____] manufactured by [_______________.]]

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin frame with [countersunk screw mounting.] [concealed mounting.] [lay-in frame for suspended grid ceilings.]

Fabricate of aluminum with factory [clear lacquer] [baked enamel] finish.

Where not individually connected to exhaust fans, provide integral, gang-operated opposed blade dampers with removable key operator, operable from face.

CEILING LINEAR EXHAUST AND RETURN GRILLES

Streamlined blades with 90 degree [one-way] [two-way] deflection, 1/8 x 3/4 inch (3.2 x 19 mm) on [1/4] [1/2] inch ([6] [13] mm) centers; [Model [_____] manufactured by [_______________.]]

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin frame [extra heavy for floor mounting,] with [countersunk screw] [concealed] mounting.

Fabricate of steel with 20 gage (0.90 mm) minimum frames and 22 gage (0.80 mm) minimum blades, steel and aluminum with 20 gage (0.90 mm) minimum frame, or aluminum extrusions, with factory [baked enamel] [prime coated] [clear lacquer] [_______________] finish.

Where not individually connected to exhaust fans, provide integral, gang-operated opposed blade dampers with removable key operator, operable from face.

ACCEPTABLE MANUFACTURERS - CEILING SLOT DIFFUSERS

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

CEILING SLOT DIFFUSERS

Continuous [1/2] [3/4] [one] inch ([13] [19] [25] mm) wide slot, [one] [two] [three] [four] slots wide, with adjustable vanes for left, right, or vertical discharge.

Fabricate of aluminum extrusions with factory [clear lacquer] [baked enamel] [_____] finish.

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin frame with [countersunk screw] [concealed] [support clips for suspension system] [support clips for T bar] mounting and gasket, [mitered end border.] [open end constuction.] [end cap.]

ACCEPTABLE MANUFACTURERS - WALL REGISTERS/GRILLES

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

WALL SUPPLY REGISTERS/GRILLES

Streamlined and individually adjustable blades, depth of which exceeds 3/4 inch (19 mm) maximum spacing with spring or other device to set blades, [vertical] [horizontal] face, [single] [double] deflection; Model [_____] manufactured by [_______________.]

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin frame with [countersunk screw] [concealed] mounting and gasket.

Fabricate of steel with 20 gage (0.90 mm) minimum frames and 22 gage (0.80 mm) minimum blades, steel and aluminum with 20 gage (0.90 mm) minimum frame, or aluminum extrusions, with factory [baked enamel] [prime coat] [clear lacquer] [_____] finish.

Provide integral, gang-operated opposed blade dampers with removable key operator, operable from face.

In gymnasiums, blades shall be front pivoted, welded in place or securely fastened to be immobile.

WALL SUPPLY REGISTERS/GRILLES

Streamlined and individually adjustable curved blades to discharge air along face of grille, [one-way] [two-way] deflection; [Model [_____] manufactured by [_______________.]]

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin frame with [countersunk screw] [concealed] mounting and gasket.

Fabricate of aluminum extrusions with factory [clear lacquer] [prime coat] [_____] finish.

Provide integral, gang-operated opposed blade dampers with removable key operator, operable from face.

WALL EXHAUST AND RETURN REGISTERS/GRILLES

Streamlined blades, depth of which exceeds 3/4 inch (19 mm) spacing, with spring or other device to set blades, [vertical] [horizontal] face; Model [_____] manufactured by [_______________.]

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin frame with [countersunk screw] [concealed] mounting.

Fabricate of steel with 20 gage (0.90 mm) minimum frames and 22 gage (0.80 mm) minimum blades, steel and aluminum with 20 gage (0.90 mm) minimum frame, or aluminum extrusions, with factory [baked enamel] [prime coated] [clear lacquer] [_____] finish.

Where not individually connected to exhaust fans, provide integral, gang-operated opposed blade dampers with removable key operator, operable from face.

In gymnasiums, blades shall be front pivoted, welded in place, or securely fastened to be immobile.

WALL GRID CORE EXHAUST AND RETURN REGISTERS/GRILLES

Fixed grilles of 1/2 x 1/2 x 1/2 inch (13 x 13 x 13 mm) louvers; [Model [_____] manufactured by [___________.]]

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin frame with [countersunk screw mounting.] [concealed mounting.] [lay-in frame for suspended grid ceilings.]

Fabricate of aluminum with factory [clear lacquer] [baked enamel] finish.

Where not individually connected to exhaust fans, provide integral, gang-operated opposed blade dampers with removable key operator, operable from face.

LINEAR WALL REGISTERS/GRILLES

Streamlined blades with [0] [15] degree deflection, 1/8 x 3/4 inch (3.2 x 19 mm) on [1/4] [1/2] inch ([6] [13] mm) centers; [Model [_____] manufactured by [_____________.]]

Fabricate of aluminum extrusions, with factory [clear lacquer] [prime coat] [_____] finish.

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin frame with [countersunk screw] [concealed] mounting and gasket.

Provide integral [gang-operated opposed blade] [hinged single blade] damper with removable key operator, operable from face.

ACCEPTABLE MANUFACTURERS - FLOOR REGISTERS/GRILLES

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

LINEAR FLOOR SUPPLY REGISTERS/GRILLES

Streamlined blades with [0] [15] degree deflection, 1/8 x 3/4 inch (3 x 19 mm) on [1/4] [1/2] inch ([6] [13] mm) centers; [Model [_____] manufactured by [_______________.]]

Fabricate of aluminum extrusions with factory clear lacquer finish.

Fabricate [1-1/4] [one] [_____] inch ([32] [25] [_____] mm) margin heavy] margin frame with [countersunk screw mounting] [concealed mounting and gasket] [, and mounting frame.]

Provide integral [gang-operated opposed blade] [hinged single blade] damper with removable key operator, operable from face.

FLOOR SUPPLY REGISTERS/GRILLES

Individually adjustable blades, wide stamped border, singled or double blade damper with set screw adjustment; [Model [_____] manufactured by [_______________.]]

Fabricate of steel, welded construction, with factory baked enamel finish.

ACCEPTABLE MANUFACTURERS - DOOR GRILLES

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

DOOR GRILLES

V-shaped louvers of 20 gage (0.90 mm) steel, one inch (25 mm) deep on 1/2 inch (13 mm) centers; [Model [_____] manufactured by [_______________.]]

Provide 20 gage (0.90 mm) steel frame with auxiliary frame to give finished appearance on both sides of door, with factory prime coat finish.

ACCEPTABLE MANUFACTURERS - LOUVERS

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

LOUVERS

Provide [4] [6] inch ([100] [150] mm) deep louvers with blades on 45 degree slope [with center baffle and return bend], heavy channel frame, birdscreen with 1/2 inch (13 mm) square mesh for exhaust and 3/4 inch (19 mm) for intake; [Model [_____] manufactured by [_______________.]]

Fabricate of [16 gage (1.50 mm) galvanized steel] [or] [12 gage (2.50 mm) extruded aluminum], welded assembly, with factory [prime coat] [baked enamel] [color anodized] finish.

Furnish with [interior] [exterior] [flat flange] [angle flange] [screw holes in jambs] [masonry strap anchors] for installation.

Fabricate louver penthouses with mitered corners and reinforce with structural angles.

ACCEPTABLE MANUFACTURERS - ROOF HOODS

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

ROOF HOODS

Fabricate air inlet or exhaust hoods in accordance with SMACNA Low Pressure Duct Construction Standards; [Model [_____] manufactured by [_______________.]]

Fabricate of galvanized steel, minimum 16 gage (1.50 mm) base and 20 gage (0.90 mm) hood, or aluminum, minimum 16 gage (1.50 mm) base and 18 gage (1.20 mm) hood; suitably reinforced; with removable hood; birdscreen with 1/2 inch (13 mm) square mesh for exhaust and 3/4 inch (19 mm) for intake, and factory [prime coat] [baked enamel] finish.

Mount unit on minimum 12 inch (300 mm) high curb base with insulation between duct and curb.

Make hood outlet area minimum of twice throat area.

GOOSENECKS

Fabricate in accordance with SMACNA Low Pressure Duct Construction Standards of minimum 18 gage (1.20 mm) galvanized steel.

Mount on minimum 12 inch (300 mm) high curb base where size exceeds [9 x 9 inch (230 x 230 mm).] [_____.]

PART 3 EXECUTION

INSTALLATION

Install items in accordance with manufacturers' instructions.

Check location of outlets and inlets and make necessary adjustments in position to conform with architectural features, symmetry, and lighting arrangement. Refer to Section 09900.

Install diffusers to ductwork with air tight connection.

Provide balancing dampers on duct take-off to diffusers, and grilles and registers, regardless of whether dampers are specified as part of the diffuser, or grille and register assembly.

Paint ductwork visible behind air outlets and inlets matte black. Refer to Section 09900.

AIR OUTLET AND INLET SCHEDULE

Drawing_Code	S-	R-	E-	T-

Manufacturer

Model

Description

Finish

Mounting

Accessories

END OF SECTION