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Turbomachinery Package Specification Taurus 60 Compressor Set and Mechanical Drive
12.2 Standard Features
12.2.1 Inlet and Exhaust Ventilation Silencers
The enclosure ventilation openings are equipped with silencers with weather louvers.
12.2.2 Single-Fan Ventilation
A single high efficiency motor-driven fan provides enclosure ventilation. The ventilation
fan provides airflow to ensure the enclosure internal air temperature remains within
acceptable limits. Fan size can vary depending on the ventilation system filtration
configuration. Fan motor wiring is terminated at the motor junction box. Enclosure
ventilation openings are provided to facilitate airflow circulation. For additional ventilation
or certification requirements, a dual fan ventilation system may be selected as an option.
12.2.3 Enclosure High Temperature Alarm
A heat sensor, completely separate from the fire system thermal detectors, is mounted in
the enclosure. The sensor is set to activate an alarm if enclosure temperature is
abnormally high.
12.2.4 Pressurization System
For completely enclosed packages, the driver section of the enclosure has a negative
pressure to prevent the escape of the internal atmosphere through the enclosure seams.
The driven section of the enclosure has a positive pressure to prevent the entry of
potentially hazardous external atmospheres. A differential pressure switch is provided to
indicate an alarm when low enclosure pressure is detected.
12.2.5 Lighting
Fluorescent lighting is provided to illuminate the enclosure interior. Lighting on/off
switches are provided on the enclosure exterior.
12.2.6 Equipment Handling Kit
An internal gas turbine and component handling kit is provided that consists of the
following:
• Internal maintenance frame trolley rails
• 3048-mm (10-ft) external extensions to the maintenance frame trolley rails with
support frame (shipped separately)
• Rail hugger chain-fall hoists and trolley
• Internal vertical support beams (shipped separately)
The trolley beam extension allows gas turbine removal through the side of the enclosure.
One end of the beam extension attaches to the inside trolley rail; the other end is floor-
standing. The gas turbine can be removed through either enclosure side and placed on a
truck bed or cart.
12.2.7 Sound Attenuation
The sound-attenuated enclosure is intended for use with suitable gas turbine air inlet and
exhaust silencing systems in environments where low noise levels are required.
Enclosure ventilation openings are equipped with silencers to achieve maximum sound
attenuation. The actual achievable noise reduction is a function of the noise source,
installation considerations, other equipment in close proximity, and the acoustical
characteristics of existing buildings and barriers.
The intent of the enclosure design is to comply with U.S. Occupational Safety and Health
Administration (OSHA) standards for eight-hour employee exposure. Transmission loss
© 2009 Solar Turbines Incorporated. All rights reserved. TPS60CSMD/309
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