STANDARD	1 Aug 1998	15836

UPDATES -

SECTION 15836

EXHAUST FANS

PART 1 GENERAL

1.1	SUMMARY

A.	Includes But Not Limited To

1.	Furnish and install exhaust fans as described in Contract Documents.

B.	Related Sections

1.	Section 15051 - General Mechanical Requirements	15051

2.	Division 16 - Control device and electrical connection

1.2	QUALITY ASSURANCES

A.	Requirements of Regulatory Agencies - Bear AMCA seal and UL label.

PART 2 PRODUCTS

2.1	MANUFACTURED UNITS

A.	Ceiling Mounted Exhaust Fans -

1.	Acoustically insulated housings. Sound level rating of 4.6 sones maximum for fan RPM and CFM listed on Drawings.

2.	Include chatterproof integral back-draft damper with no metal to metal contact.

3.	True centrifugal wheels.

4.	Entire fan, motor, and wheel assembly shall be easily removable without disturbing housing.

5.	Suitably ground motors and mount on rubber-in shear vibration isolators.

6.	Provide wall or roof cap, as required.

7.	Approved Manufacturers -	Approved Products

a.	Broan

b.	Carnes

c.	Cook-Gemini

d.	Greenheck Sp

e.	Penn Zephyr

B.	Propeller Wall Exhaust Fans -

1.	Fans shall be complete factory assembled units and shall include galvanized steel structural frame and fan venturi, multi-bladed steel fabricated propeller and air stream cooled motor, galvanized steel wall sleeve with adjustable anchor angle, ½" mesh aluminum exhaust screen, and fixed aluminum discharge louver.

2.	All fan blades and hubs shall be fabricated steel with a swept, steeply pitched blade design. Fabricated propeller shall be statically balanced and free of vibrations.

3.	Each unit shall be equipped with the following accessories:

a.	Disconnect device

b.	Wall housing

c.	Thermostat

PART 3 EXECUTION

3.1	INSTALLATION	Installation

A.	Anchor fan units securely to structure.

B.	Install fans as indicated on drawings and caulk frame to wall with polysulphide caulking compound to make installation watertight.

END OF SECTION