Laserfiche WebLink
PART 2 -PRODUCTS • <br /> 2.1 EQUIPMENT <br /> A. Manufacturers: Subject to compliance with requirements,provide <br /> products by one of the following: <br /> 1. Centrifugal roof mounted exhaust fans: <br /> a. Cook (Loren) Co. <br /> b. Greenheck Fan Corp. <br />�, c. Penn <br /> d. Acme <br /> 2.2. CENTRIFUGAL ROOF MOLTNTED EXHAUST FANS <br />, A. Drive: Variable pitch V-belt drive or direct driven as scheduled. <br /> B. Housing: Hinged, heavy gauge aluminum enclosing motor outside ' <br /> airstream. <br /> C. Motor: Ball bearing type. Isolate fan and motor from base with • <br /> rubber vibration isolators. Select fan such that BHP does not <br /> exceed nameplate horsepower at rated conditions. <br /> D. Fan: Centrifugal type, statically and dynamically balanced. ' <br /> Provide: <br /> 1. Lubricated lifetime sealed ba11 bearings. <br /> 2. Spazkproof construction with explosion proof motor <br /> suitable for Class I, Group C, Division 2 service, when <br /> scheduled on drawings. ; <br /> 3. Gravity backdraft damper. <br /> 4. Disconnect switch on 1-phase units. Disconnect switcl�on <br /> 3-phase units furnished under Division 16. <br /> 5. Bird screen azound fan discharge <br /> 6. Prefabricated, 1" thick fiberglass insulated, roof curb of <br /> same material (minimum 18 gaae) as fan housing and • <br /> ICT 99184 <br /> 15862 -2 <br />