accordance with ASME PTC 23. Temperatures shall be used as ambient
conditions. When using CTI procedure, temperature measurements shall be in
accordance with CTI ATC-105.
3.5.2.2
Thermometers
Provide to read air and water temperatures simultaneously. Immediately
prior to tests, calibrate thermometers by simultaneous immersion in hot
well, or other mutually agreed upon method, and note correction factors and
points of utilization for each thermometer together with its serial number.
3.5.2.3
Laboratory Test Results
Submit computations together with six complete sets of test results.
Computations and test results shall be presented in full compliance with
particular test procedure employed by testing agency.
3.5.3
Cooling Tower Water Treatment Tests
Conduct performance tests to determine required capacity and performance of
chemical feed machinery. Determine and record the following:
a.
Raw water total hardness, ppm;
b.
Concentration cycles;
c.
Chemical solution used;
d.
Quantity of chemical solution injected into system per cycle;
e.
Make-up water required; and
f.
Waste to drain requirement.
3.5.4
Manufacturer's Field Services
Furnish manufacturer's representatives who are directly employed by the
equipment manufacturers and trained to perform the services specified. The
manufacturer's representatives shall furnish advice and services on the
following matters:
a.
Erection, alignment, testing and dehydrating;
b.
Testing hermetic equipment under pressure for leaks, and
evacuation and dehydration of machine to one degree C 35 degrees F
wet bulb or an absolute pressure of not over 690 Pa 0.204 inch of
mercury;
c.
Charging equipment with refrigerant and oil; and
d.
Starting equipment and training Government personnel on equipment
care, operation, and maintenance.
3.6
SCHEDULE
Some metric measurements in this section are based on mathematical
conversion of inch-pound measurements, and not on metric measurements
commonly agreed on by the manufacturers or other parties. The inch-pound
and metric measurements shown are as follows:
SECTION 15601N
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