bafbrwhq15855.pdf

SECTION 15855 REPAIR WING HEADQUARTERS, BLDG 706

DIFFUSERS, REGISTERS, AND GRILLES CRWU 06-2071

06/09/09 15855-1 BUCKLEY AFB

SECTION 15855 - DIFFUSERS, REGISTERS, AND GRILLES

PART 1 - GENERAL

1.01 SUMMARY:

A. This Section includes ceiling- and wall-mounted diffusers, registers, and grilles.

1.02 REFERENCES:

A. Applicable Standards: (Latest Edition):

1. American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE):

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

(ANSI).

1.03 SUBMITTALS:

A. General: Submit each item in this Article in accordance with SECTION 15050 - BASIC

MECHANICAL MATERIALS AND METHODS.

B. Product Data: For each 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 ratings.

2. Diffuser, Register, and Grille Schedule: Indicate Drawing designation, room location, quantity, model number, size, and accessories furnished.

PART 2 - PRODUCTS

2.01 MANUFACTURERS:

A. Manufacturers: Subject to compliance with requirements, provide products by one of those listed below.

B. Diffusers, registers and grilles are scheduled on the Drawings.

2.02 SOURCE QUALITY CONTROL:

A. Verification of Performance: Rate diffusers, registers, and grilles according to ASHRAE 70.

PART 3 - EXECUTION

3.01 EXAMINATION:

A. Examine areas where diffusers, registers, and grilles are to be installed for compliance with requirements for installation tolerances and other conditions affecting performance of equipment.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.02 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 practicable. For units installed in lay-in ceiling panels, locate units in the center of panel. Where architectural features or other items conflict with installation, notify Engineer for a determination of final location.

SECTION 15855 REPAIR WING HEADQUARTERS, BLDG 706

DIFFUSERS, REGISTERS, AND GRILLES CRWU 06-2071

BUCKLEY AFB 15855-2 06/09/09

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

3.03 ADJUSTING:

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

3.04 GRILLES AND REGISTERS:

A. Grilles and Registers (EG-1, RG-1, & TG-1):

1. Manufacturers:

a. Anemostat; a Mestek Company.

b. Hart & Cooley, Inc.; Hart & Cooley Div.

c. Krueger.

d. Price Industries.

e. Titus.

f. Tuttle & Bailey.

2. Material: As indicated on drawings.

3. Finish: White baked enamel.

3.05 CEILING DIFFUSER:

A. Ceiling Diffuser (SD-1, SD-2, & SD-3):

1. Manufacturers:

a. Anemostat; a Mestek Company.

b. Hart & Cooley, Inc.; Hart & Cooley Div.

c. Price Industries.

d. Titus.

e. Tuttle & Bailey.

2. Material: As indicated on drawings.

3. Finish: White baked enamel.

3.06 DOOR GRILLES:

A. Door Grilles (TG-2):

1. Manufacturers:

a. Krueger.

b. Price Industries.

c. Titus.

d. Tuttle & Bailey.

2. Material: Steel.

3. Finish: White baked enamel

END OF SECTION 15855