surfaces shall be cleaned with a liquid alkaline or neutralizing agent to
prevent any attack on the surrounding metallic surfaces by the soldering
flux.
3.2.5
Brazing
Brazing shall be accomplished with brazing material. Brazing shall be used
only on copper tubing to brass and bronze connection fittings.
3.3
TESTING
Equipment shall be inspected and tested under operating conditions after
installation. If inspection or test shows defects, such defects shall be
corrected, and inspection and test shall be repeated. Refrigerator tests
shall include the following:
3.3.1
Performance Tests
A detail written test procedure shall be submitted prior to performance of
tests. The Contractor shall furnish all instruments, test equipment, and
personnel required for the tests; Government will furnish the necessary
water and electricity for the installed equipment. Evidence shall be
submitted that the instruments have been properly calibrated by an
independent laboratory at the Contractor's expense. Performance tests for
refrigeration system shall be in accordance with Section 15652A COLD
STORAGE REFRIGERATION SYSTEMS.
3.3.2
Operating Tests
An operating test shall be performed on all items after complete
installation and adjustment. The failed test item shall be corrected and
the test shall be rerun.
3.3.3
Clean and Adjust
Debris resulting from this work, as the installation progresses, shall be
removed from the jobsite. All food service equipment, prior to
demonstration, shall be cleaned and polished, both interior/exterior.
Drawer slides and casters shall be lubricated and adjusted. Pressure
regulating valves, timed-delay relays, thermostatic controls, temperature
sensors, and exhaust hood grilles shall be adjusted, as required, for
proper operation. Faucet aerators and line strainers shall be cleaned or
replaced. Damage to painted finishes shall be touched up.
3.3.4
Equipment Start-Up/Demonstration
The Contractor shall obtain the services of the manufacturer's
representative experienced in the installation, adjustment and operation of
the equipment specified. The representative shall supervise the start-up,
adjustment, and testing of the equipment, prior to the demonstration.
Selected items of equipment and attendees shall be scheduled, with the
Contracting Officer, at least 2 weeks in advance of demonstration periods.
Equipment shall be carefully tested, adjusted, and regulated in accordance
with the manufacturer's instructions and shall be so certified in writing.
A thorough operational demonstration shall be provided of all equipment and
instructions furnished for general and specific care and maintenance. The
Contractor shall submit maintenance manuals as specified in the Sumbittals
paragraph containing the following:
SECTION 11400A
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