silo 3 - U.S. Department of Energy

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BHJACOBS
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7.0 BREATHING AIR SYSTEM (SYSTEM 41) -’
The following PFD and P&IDs illustrate the Breathing Air System:
Process Control Plan for the Silo 3 Project
Document No. 40430-PL-0003. Rev. 1
Jacobs Project Number 35H19605
September 5, 2003
94X-3900-F-01432 F0005 Plant, Instrument, and Breathing Air Systems
94X-3900-N-01443 NO1 10 Breathing Air System
94X-3900-N-0 1445 NO1 12 Breathing Air System Connections
7.1 BREATHING AIR COMPRESSOR SKID (SKD-41-5350)
The Breathing Air System Compressor Skid is a fully self-contained, structural steel skid unit
requiring only one electrical power connection and one air piping connection. All components
are purchased piped and wired, and ready for installation upon receipt. The skid includes, but
is not limited to, the following equipment:
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ACP-41-5360A&B: Breathing Air Compressors A&B
ART-41 -5352: Breathing Air Receiver Tank
SKD-41-5354: Refrigeration Dryer Skid (SKD-41-5354)
Afterfilter
0 CO monitor
7.2
Miscellaneous filters and coolers
BREATHING AIR SYSTEM CONTROL PHILOSOPHY
The specification calls for the following controls:
An enclosed, local control and instrument panel shall be furnished for the Breathing Air
Skid. The panel shall contain start/stop switches, pilot lights, emergency stop button, and
hour meters in the panel. All instruments and gauges other than direct-reading
thermometers and pressure gauges shall be housed in or on the panel.
The compressor instrument and control panel shall include but not be limited to the
following:
on/off switch to actuate panel power; .
selector for auto or manual, unload/modulate, and pressure control;
controller and readout for discharge pressure;
start and stop push buttons;
0 run time hour meter;
0 air temperature; and
0 discharge air pressure.
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