200 psig range) and air flow (0 to [_____] L/s SCFM). Recorder shall be
electric drive and housed in dust-tight steel cabinet. Charts shall be 305
mm 12 inchdiameter with evenly divided graduations. Drive shall be 7 day
circle. Provide continuous flow integration of a 7 digit counter type.
Pens shall be supplied with long-life cartridges and capillary supply.
Chart case shall be internally illuminated. Access to charts shall be
through front access window door. Calibrated overall accuracy of the
recorded measurements shall be within plus or minus 1.0 percent of full
scale. Furnish a supply of 400 charts with the recorder.
2.5
CARBON MONOXIDE MONITOR
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NOTE: Include carbon monoxide monitor in systems
which are used for breathing air per DM 3.5, Section
3.
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The carbon monoxide (CO) monitor unit shall be of the pressure type with
attached sampling system. The unit shall be solid state type operation, 2
to 50 ppm range, CO indicating, with provisions for milliamp signal to
remote recorder, adjustable set point, and normally open/normally closed
contacts for remote signal. Power shall be 120 volt, single phase, 60
hertz with power cord and plug. Response time normally 2 minutes per
sample/purge. Unit shall be mounted in a gasketed enclosure with face gage
indicating CO readings.
2.5.1
Sampling System
Sampling system shall include shutoff valve filter/regulator, pressure
gage, manual drainer, and line humidifier set at 50 percent. Draw sample
from compressor discharge.
2.5.2
Test System
Test system shall include calibration gas (20 ppm CO) cylinder test gas
(200 ppm CO) cylinder, and calibration connectors with quick disconnect.
2.6
SOURCE QUALITY CONTROL
2.6.1
Factory Test Procedures
The completely assembled air compressor package including the actual
contract drive motor, intercooler, lubrication system, and control panel
shall be subjected to air compressor performance tests and sound level and
run-in tests.
Unit shall comply with guarantee requirements applying
engineering adjustments to guarantee conditions. Test shall be certified
by the manufacturer. Test may be run on the manufacturer's test stand using
driver for this contract. Tests shall be in accordance with ASME PTC 9
format. Full-range performance tests shall indicate performance at maximum
rated flow, rating point, and unloaded conditions. All accessory
performance conditions shall be reported, including intercoolers,
aftercoolers, and lubrication and control systems. Completed unit shall be
factory tested with sound meters in accordance with CAGI S5.1. Location
shall be one horizontal meter from unit at 1.5 meters above the floor.
Test shall include readings at each octave band midpoint and the "A" scale,
and shall not exceed 84 dBA and 90 decibels at any octave band. Results of
test shall be included in the factory test report on the CAGI S5.1 format.
Factory test data may be corrected to the levels of an equivalent
SECTION 15214N
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