and placed in operation promptly to prevent time deterioration when not
installed. Should the Contractor sustain a delay exceeding 90 days prior
to actual installation, the Contracting Officer shall have the option of
requiring breakdown and reassembly to inspect and clean prior to placing in
operation. This work shall be at no additional cost to the Government.
3.2.2
Start-Up Services
The Contractor shall furnish the services of a compressor manufacturer's
authorized representative to supervise prestart checkout, initial start-up,
performance testing, and operator instruction. Time available shall be as
required to properly start up but not less than three consecutive days for
the compressor.
3.3
FIELD QUALITY CONTROL
3.3.1
Field Test Procedures
Complete field performance testing of the total system shall be performed
by the Contractor and witnessed by the Contracting Officer. Air compressor
system test shall be conducted by either a compressor manufacturer's
factory trained and authorized representative approved by the Contracting
Officer or a qualified registered Mechanical Engineer. Tests may be run on
individual components or on the system as a whole at Contractor option.
Field tests require use of the actual compressor drive motor. Test shall
include operation at rated capacity for not less than 4 hours.
3.3.1.1
Performance Tests
Complete performance test shall be run at maximum load, rated load, at
point of unload but prior to unload, and unloaded condition. Data shall be
recorded listing:
a.
Air flow, inlet pressure and temperature, humidity; discharge
pressure and temperature.
b.
Intercooler water flows, temperatures, and pressures.
c.
Aftercooler water flow, temperatures, and pressures.
d.
Lube oil cooling water flow, temperatures, and pressures.
e.
Lube oil flow, pressures, and temperature.
f.
Cooling water pump flow, pressures, and motor amperage.
g.
[Cooling tower] [Closed circuit cooler] air flow, water and air
temperatures, water pressure, and motor amperage.
h.
Electrical load in volts and amperes for compressor motor (loaded
and unloaded) and compressor auxiliaries.
i.
Intake filter pressure differential (clean).
i.
Start-up sequence, alarm signals and automatic system shutdown.
k.
Test compressor intake and discharge for conformance to CGA G-7.1.
Compressor discharge shall show no increase in contaminants.
SECTION 15214N
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