Download PDF by Mark E. Schaffer: A Practical Guide to Noise and Vibration Control for HVAC

By Mark E. Schaffer

ISBN-10: 1461917573

ISBN-13: 9781461917571

A consultant that offers principles for controlling the noise and vibration of HVAC platforms.

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Additional resources for A Practical Guide to Noise and Vibration Control for HVAC Systems

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D. 6. For downward noise control, use a building standard slab with a gypsum board ceiling suspended below using spring hangers (see Figure 1-7). The suspended ceiling is also an alternative to an equipment enclosure for upward noise control, but it can be difficult to implement where the room has a lot of suspended piping and conduits. For both upward and downward noise control, consider a monolithic slab weighing at least 500 kg/m2. In the most critical cases, including screw chiller and vane axial installations, use a 500 kg/m2 floating floor assembly.

Org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAE's prior written permission. --``,,`,``,```,,`,,```````,,`,,,-`-`,,`,,`,`,,`--- A Practical Guide to Noise and Vibration Control for HVAC Systems Figure 2-8 Guidelines for unducted axial flow fan installations. 33 © 2011 American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAE's prior written permission.

Additional Guidelines for All Above-Grade Equipment Rooms: 1. Do not locate the equipment adjacent to a noise-sensitive area. For example, don’t place the equipment at the roof perimeter where sound can refract around the edge of the building and enter through the perimeter glass (see Figure 1-16). 2. If the equipment must be over a noise-sensitive area, then the equipment room floor construction and the interior ceiling assembly, if any, must provide adequate sound isolation. See Table 1-2 for general slab selection guidelines.

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A Practical Guide to Noise and Vibration Control for HVAC Systems by Mark E. Schaffer


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