technological improvements made by a manufacturer in the basic
standard model set on which experience was obtained, provided
parts interchangeability has not been substantially affected and
the current standard model meets all the performance requirements
of this specification. For each different set, 2 like sets shall
have performed satisfactorily in a stationary power application,
independent and separate from the physical location of the
manufacturer's and assembler's facilities, for a minimum of 2
consecutive years without any failure to start, including periodic
exercise. The certification shall state that for the set proposed
to meet this specification, there were no failures resulting in
downtime for repairs in excess of 72 hours or any failure due to
overheating during 2 consecutive years of service. Like sets are
of the same model, speed, bore, stroke, number and configuration
of cylinders, and output power rating. Like generators are of the
same model, speed, pitch, cooling, exciter, voltage regulator and
output power rating. A list shall be provided with the name of
the installations, completion dates, and name and telephone number
of a point of contact.
Emissions
A certification from the engine manufacturer stating that the
engine exhaust emissions meet federal, state, and local
regulations and restrictions specified. At a minimum, this
certification shall include emission factors for criteria
pollutants including nitrogen oxides, carbon monoxide, particulate
matter, sulfur dioxide, non-methane hydrocarbon, and for hazardous
air pollutants (HAPs).
Sound limitations
A certification from the manufacturer stating that the sound
emissions meet the specification.
Current Balance
Manufacturer's certification that the flywheel has been
statically and dynamically balanced and is capable of being
rotated at 125% of rated speed without vibration or damage.
Materials and Equipment
A letter stating that where materials or equipment are specified
to comply with requirements of UL, or other standards, written
proof of such compliance has been obtained. The label or listing
of the specified agency, or a written certificate from an
approved, nationally recognized testing organization equipped to
perform such services, stating that the items have been tested and
conform to the requirements and testing methods of the specified
agency are acceptable as proof.
Factory Inspection and Tests
A certification that each engine generator set passed the
factory tests and inspections and a list of the test and
inspections.
Inspections
SECTION 16264A
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