233713_Diffusers Registers Grilles.pdf

USDA Forest Service – Camino Real Office Building 233713 - 1

DIFFUSERS, REGISTERS, AND GRILLES

SECTION 233713

DIFFUSERS, REGISTERS, AND GRILLES

PART 1 – GENERAL

1.1 SUMMARY

A. Section Includes:

1. Adjustable bar registers.

2. Fixed face grilles.

B. Related Sections:

1. Division 23 Section "Air Duct Accessories" for fire and smoke dampers and vo-lume-control dampers not integral to diffusers, registers, and grilles.

1.2 SUBMITTALS

A. Product Data: For each type of product indicated, include the following:

1. Data Sheet: Indicate materials of construction, finish, and mounting details; and performance data including throw and drop, static-pressure drop, and noise rat-ings.

2. Diffuser, Register, and Grille Schedule: Indicate drawing designation, room lo-cation, quantity, model number, size, and accessories furnished.

1.3 QUALITY ASSURANCE

A. All products to be manufactured in the US and comply with the Buy American Act.

PART 2 – PRODUCTS

2.1 REGISTERS AND GRILLES

A. Adjustable Bar Register:

1. Basis-of-Design Product: Subject to compliance with requirements, provide product indicated on Drawings Hart and Cooley or comparable product by one of the following:

a. A-J Manufacturing Co., Inc.

b. Anemostat Products; a Mestek company.

c. Carnes.

d. Dayus Register & Grille Inc.

e. Krueger.

f. METALAIRE, Inc.

g. Nailor Industries Inc.

USDA Forest Service – Camino Real Office Building 233713 - 2

h. Price Industries.

i. Titus.

j. Tuttle & Bailey.

2. Finish: Baked enamel, color selected by CO.

3. Frame: 1-1/4 inches (32 mm) wide.

4. Accessories:

a. Front Rear-blade gang operator.

B. Fixed Face Grille Insert drawing designation:

1. Basis-of-Design Product: Subject to compliance with requirements, provide product indicated on Drawings Hart and Cooley or comparable product by one of the following:

a. A-J Manufacturing Co., Inc.

b. Anemostat Products; a Mestek company.

c. Carnes.

d. Dayus Register & Grille Inc.

e. Hart & Cooley Inc.

f. Krueger.

g. Nailor Industries Inc.

h. Price Industries.

i. Titus.

j. Tuttle & Bailey.

2. Finish: Baked enamel, color selected by CO.

3. Frame: 1-1/4 inches (32 mm) wide.

2.2 SOURCE QUALITY CONTROL

A. Verification of Performance: Rate diffusers, registers, and grilles according to

ASHRAE 70, "Method of Testing for Rating the Performance of Air Outlets and In-lets."

PART 3 – EXECUTION

3.1 INSTALLATION

A. Install diffusers, registers, and grilles level and plumb.

B. Ceiling-Mounted Outlets and Inlets: Drawings indicate general arrangement of ducts, fittings, and accessories. Air outlet and inlet locations have been indicated to achieve design requirements for air volume, noise criteria, airflow pattern, throw, and pressure drop. Make final locations where indicated, as much as practical. For units installed in lay-in ceiling panels, locate units in the center of panel. Where Architectural fea-tures or other items conflict with installation, notify CO for a determination of final location.

USDA Forest Service – Camino Real Office Building 233713 - 3

C. Install diffusers, registers, and grilles with airtight connections to ducts and to allow service and maintenance of dampers, air extractors, and fire dampers.

3.2 ADJUSTING

A. After installation, adjust diffusers, registers, and grilles to air patterns indicated, or as directed, before starting air balancing.

END OF SECTION 233713