[horizontal] mounting. Eyebolts, lugs, flanges, or other items shall be
provided as necessary for support in the location and position indicated.
Pressure drop through the muffler shall not exceed the recommendations of
the engine manufacturer. Outside mufflers shall be zinc coated or painted
with high temperature 204 degrees C 400 degrees F resisting paint. The
muffler and exhaust piping together shall reduce the noise level to less
than the maximum acceptable level listed for sound limitations in paragraph
SOUND LIMITATIONS. The muffler shall have a drain valve, nipple, and cap
at the low-point of the muffler.
2.8.3
Exhaust Piping
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NOTE: Exhaust piping shall be sized at a gas
velocity of less than 25.4 m/second (5000 fpm).
Piping should be shown on the drawings.
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Horizontal sections of exhaust piping shall be sloped downward away from
the engine to a condensate trap and drain valve. Changes in direction
shall be long-radius. Exhaust piping, mufflers and silencers installed
inside any building shall be insulated in accordance with paragraph THERMAL
INSULATION and covered to protect personnel. Vertical exhaust piping shall
be provided with a hinged, gravity operated, self-closing, rain cover.
2.9
EMISSIONS
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NOTE: The designer will coordinate emissions
requirements with the installation (base/post)
environmental office and provide a listing of the
requirements. The identification of environmental
requirements should be identified at the beginning
of the project as a special study effort which
requires funding separate from the normal design.
**************************************************************************
The finished installation shall comply with Federal, state, and local
regulations and restrictions regarding the limits of emissions, as listed
herein: [_____]
2.10
STARTING SYSTEM
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NOTE:Select the first option for emergency
applications and delete subsequent paragraphs.
Select second option for all other standby
applications.
**************************************************************************
[The starting system for standby engine generator sets used in emergency
applications shall be in accordance with NFPA 99 and NFPA 110 and as
follows.] [The starting system for engine generator sets used in
non-emergency applications shall be as follows.]
2.10.1
Controls
An engine control switch shall be provided with functions including:
SECTION 16264A
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