Amd_1_Exhibit_4_7309_233713_FL_-_DIFFUSERS _REGISTERS _AND_GRILLES.pdf

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Chemawa Indian Health Center Modernization Construction
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16-102-SOL-00001
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Amd 1 Exhibit 4 7309 233713 FL - DIFFUSERS REGISTERS AND GRILLES

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Chemawa Health Modernization August 2015

Meier Project No. 13-7309

IHS Contract No. HHSI102201100001I

233713 - 1

SECTION 233713 - DIFFUSERS, REGISTERS, AND GRILLES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Round ceiling diffusers.

2. Rectangular and square ceiling diffusers.

3. Continuous tubular diffusers.

4. Fixed face grilles.

B. Related Sections:

1. Section 233300 "Air Duct Accessories" for fire and smoke dampers and volume-control dampers not integral to diffusers, registers, and grilles.

1.3 ACTION 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 ratings.

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

B. Shop Drawings: Include drawings and data for continuous tubular diffuser ducts, including proposed layout and dimensions and required accessories.

C. Samples: For continuous tubular diffuser ducts, include sample of duct fabric (in each of specified colors required in Part 2 Articles) large enough to show diffusion outlet layout and fabric texture.

PART 2 - PRODUCTS

2.1 CEILING DIFFUSERS

A. Rectangular and Square Ceiling Diffusers A:

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

a. Carnes Company.

b. Krueger.

c. Nailor Industries Inc.

d. Titus.

e. Tuttle & Bailey.

2. Devices shall be specifically designed for variable-air-volume flows.

3. Material: Aluminum.

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IHS Contract No. HHSI102201100001I

233713 - 2

4. Finish: Baked enamel, white.

5. Face Size: 24 by 24 inches.

6. Face Style: Plaque.

7. Mounting: T-bar.

8. Pattern: Fixed.

B. Louver Face Diffuser F:

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

a. Carnes Company.

b. Nailor Industries Inc.

c. Titus.

d. Tuttle & Bailey.

2. Devices shall be specifically designed for variable-air-volume flows.

3. Material: Aluminum.

4. Finish: Baked enamel, white.

5. Face Size: As indicated on Drawings.

6. Mounting: Surface.

7. Pattern: Two-way corner core style.

8. Dampers: Opposed blade damper.

9. Accessories:

a. Square to round neck adaptor.

C. Louver Face Diffuser H:

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

a. Carnes Company.

b. Nailor Industries Inc.

c. Titus.

d. Tuttle & Bailey.

2. Devices shall be specifically designed for variable-air-volume flows.

3. Material: Aluminum.

4. Finish: Baked enamel, white.

5. Face Size: As indicated on Drawings.

6. Mounting: T-bar mounting panel.

7. Pattern: Two-way corner core style.

8. Dampers: None.

9. Accessories:

a. Square to round neck adaptor.

D. Louver Face Diffuser L:

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

a. Carnes Company.

b. Nailor Industries Inc.

c. Titus.

d. Tuttle & Bailey.

2. Devices shall be specifically designed for variable-air-volume flows.

3. Material: Aluminum.

4. Finish: Baked enamel, white.

5. Face Size: As indicated on Drawings.

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IHS Contract No. HHSI102201100001I

233713 - 3

6. Mounting: Surface.

7. Pattern: Two-way corner core style.

8. Dampers: None.

9. Accessories:

a. Square to round neck adaptor.

2.2 FLEXIBLE DIFFUSION OUTLETS

A. Continuous Tubular Diffuser CTD-1:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. AirSox.

b. DuctSox Corp.

c. Fabric Duct Systems.

2. Material: Non-Porous, Flame-retardant, woven polyester fabric. Machine washable.

3. Material Color: Gray. Provide sample for verification as required in Part 1 Articles.

4. Duct Connection: Round.

5. Duct Connection Size: 20 inches.

6. Fabric Duct Shape: D-shape, with curved portion facing downward. 24 inches nominal diameter.

7. Diffusion Hole Size: As determined by manufacturer for airflow volume and pattern required.

8. Diffusion Hole Frequency: As determined by manufacturer for airflow required.

9. Accessories:

a. Quick-connect joint.

b. Adjustable inlet flow device.

c. Zippered cleanout and removal devices.

2.3 REGISTERS AND GRILLES

A. Fixed Face Grille B:

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

a. Carnes Company.

b. Hart & Cooley Inc.

c. Krueger.

d. Nailor Industries Inc.

e. Titus.

f. Tuttle & Bailey.

2. Material: Aluminum.

3. Finish: Baked enamel, white.

4. Face Arrangement: 3/4” blade spacing, 35° deflection. Blades parallel to long dimension for rectangular units.

5. Core Construction: Integral.

6. Mounting: Lay in.

B. Fixed Face Grille D:

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

a. Carnes Company.

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IHS Contract No. HHSI102201100001I

233713 - 4

b. Hart & Cooley Inc.

c. Krueger.

d. Nailor Industries Inc.

e. Titus.

f. Tuttle & Bailey.

2. Material: Aluminum.

3. Finish: Baked enamel, white.

4. Face Arrangement: 3/4” blade spacing, 35° deflection. Blades parallel to long dimension for rectangular units.

5. Core Construction: Integral.

6. Frame: 1-1/4 inches wide

7. Mounting: Countersunk screw.

C. Fixed Face Grille G:

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

a. Carnes Company.

b. Hart & Cooley Inc.

c. Krueger.

d. Nailor Industries Inc.

e. Titus.

f. Tuttle & Bailey.

2. Material: Aluminum.

3. Finish: Baked enamel, white.

4. Face Arrangement: 3/4” blade spacing, 35° deflection. Blades parallel to long dimension for rectangular units.

5. Core Construction: Integral.

6. Frame: 1-1/4 inches wide

7. Mounting: Countersunk screw.

8. Dampers: Opposed blade.

D. Fixed Face Grille J:

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

a. Carnes Company.

b. Hart & Cooley Inc.

c. Krueger.

d. Nailor Industries Inc.

e. Titus.

f. Tuttle & Bailey.

2. Material: Aluminum.

3. Finish: Baked enamel, white.

4. Face Arrangement: 3/4” blade spacing, 35° deflection. Blades parallel to long dimension for rectangular units.

5. Core Construction: Integral.

6. Frame: 1-1/4 inches wide

7. Mounting: Lay-in.

E. Fixed Face Grille K:

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

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IHS Contract No. HHSI102201100001I

233713 - 5

a. Carnes Company.

b. Hart & Cooley Inc.

c. Krueger.

d. Nailor Industries Inc.

e. Titus.

f. Tuttle & Bailey.

2. Material: Aluminum.

3. Finish: Baked enamel, white.

4. Face Arrangement: 3/4” blade spacing, 35° deflection. Blades parallel to long dimension for rectangular units.

5. Core Construction: Integral.

6. Frame: 1-1/4 inches wide

7. Mounting: Countersunk screw.

F. Fixed Louver Grille M:

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

a. Carnes Company.

b. Krueger.

c. Nailor Industries Inc.

d. Titus.

e. Tuttle & Bailey.

2. Material: Aluminum.

3. Finish: Baked enamel, white.

4. Blade Arrangement: Horizontal spaced 3/4 inch apart. 35-degree deflection angle.

5. Core Construction: Integral.

6. Frame: 1-1/4 inches wide.

7. Mounting Frame: Flat surface-mount.

8. Mounting: Countersunk screw.

G. Adjustable Louver Grille N:

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

a. Carnes Company.

b. Krueger.

c. Nailor Industries Inc.

d. Titus.

e. Tuttle & Bailey.

2. Material: Aluminum.

3. Finish: Baked enamel, white.

4. Face Blade Arrangement: Horizontal spaced 3/4 inch apart. Adjustable deflection angle.

5. Core Construction: Integral.

6. Rear-Blade Arrangement: Vertical spaced 3/4 inch apart. Adjustable deflection angle.

7. Frame: 1-1/4 inches wide.

8. Mounting Frame: Flat surface-mount.

9. Mounting: Countersunk screw.

2.4 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 Inlets."

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IHS Contract No. HHSI102201100001I

233713 - 6

PART 3 - EXECUTION

3.1 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.

3.2 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 features or other items conflict with installation, notify Architect for a determination of final location.

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

3.3 ADJUSTING

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

END OF SECTION 233713

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