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FAIRMONT HOTELS & RESORTS -DESIGN STANDARDS

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Fairmont Hotels & Resorts · Design Standards<br />

SERVICES AND SYSTEMS<br />

Mechanical/General Requirements (continued)<br />

c) Blades continuously welded to hub and inlet rim, are to be backward<br />

inclined from the direction of the rotation for non overloading power<br />

characteristic<br />

d) Bearings are to be precision anti-friction, pillow-block, either ball or<br />

roller type with an average minimum life of 60,000 full load hours<br />

e) Vibration isolators are to be provided.<br />

Cabinet type air supply units are to be designed and specified to meet the following<br />

criteria:<br />

a) Allow for maintenance access<br />

b) Fans are to be centrifugal non overloading silent type with double-inlet,<br />

multi-blades<br />

Steam coils are to be designed and specified to meet the following criteria:<br />

a) Coils to be of the steam distributing type-within-a-tube construction with<br />

heated return headers<br />

b) Coils are to be provided with an outlet for complete drainage of<br />

condensation<br />

c) Where temperatures fall below freezing, preheat coils are to have a<br />

minimum of two steam traps<br />

d) Each section of preheat coils is to have an individual control.<br />

Water-cooling and heating coils are to be designed and specified to meet the following<br />

criteria:<br />

a) Water heating and cooling coils are to be of the continuous tube type with<br />

vertical fins, tested to 300 psi (21.1 kqf/cm 2 ) pneumatic pressure and<br />

provided with positive methods of draining and venting<br />

b) Electric heating coils are to have finned tubular heating elements and are<br />

to be resistance wire centered in copper plated steel tubes<br />

c) Direct expansion coils are to have fins copper bonded to the tubes by<br />

hydraulic expansion of the tubes and tested to 300 psi (21.1 kqf/cm 2 )<br />

pneumatic pressure.<br />

Filters are to be designed and specified to meet the following criteria:<br />

a) Central air conditioning systems are to have high efficiency, high<br />

capacity bag type filters with pre-filters<br />

b) Ventilation systems serving utility areas are to have disposable filters<br />

REV. MARCH 2006 195<br />

© 2002, Fairmont Hotels and Resorts. All Rights Reserved.

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