CONTENTS
Page
Section
5.
DESIGN GUIDANCE . . . . . . . . . . . . . . . . . .39-180
1.
DESIGN GUIDANCE . . . . . . . . . . . . . . . . . .39-180
2.
PRELIMINARY FLUID-FLOW ANALYSIS . . . . . . . . . .39-180
a.
Flow Capacity Estimates . . . . . . . . . . .39-180
3.
DESIGN FOR PRESSURE . . . . .
.......
...
.39-196
a.
Minimum Wall Thickness,
Straight Pipe
Under
Pressure . . . . . . .
.......
...
.39-197
b.
Minimum Wall Thickness,
Straight Pipe
Under
External Pressure . . .
.......
...
.39-198
c.
Allowances . . . . . .
.......
...
.39-198
4.
SYSTEM DETAILING AND FINAL FLOW ANALYSIS
. . . . .39-198
a.
Final Routing of Pipe and Selection
of Supports
and Anchors . . . . . . . . . . . .
. . . . .39-199
b.
Final Fitting and Valve Selection .
. . . . .39-199
c.
Operations and Maintenance . . . .
. . . . .39-200
d.
Draining and Cleaning . . . . . . .
. . . . .39-200
e.
Thermal Insulation . . . . . . . .
. . . . .39-201
f.
Possible Reclassification . . . . .
. . . . .39-201
g.
Detailed Fluid Flow Calculations .
. . . . .39-201
5.
STRUCTURAL ANALYSIS . . . . . . . . . . . . . . . .39-201
a.
Category I and II Piping Systems . . . . . .39-201
b.
Category III and IV Piping Systems . . . . .39-204
6.
NOISE
CONSIDERATIONS . . . .
.
.
.
.
.
.
.
.
.
.
.39-205
a.
Noise Sources . . . . .
.
.
.
.
.
.
.
.
.
.
.39-205
b.
Acceptable Noise Levels
.
.
.
.
.
.
.
.
.
.
.39-206
c.
Noise Control . . . . .
.
.
.
.
.
.
.
.
.
.
.39-207
7.
COLOR CODING FOR PIPING SYSTEMS . . . . . . . . . .39-207a
References
. . . . . . . . . . . . . . . . . . . . . . . . . . . .39-208
. . . . . . . . . . . . . . .39-210
1.
SCOPE . . . . . . . . . . . . . . . . . . . . . . .39-210
Section
1.
ATMOSPHERE REQUIREMENTS . . . . . . . . . . . . . .39-210
1.
ATMOSPHERE
. . . . . . . . . . . . . . . . . . . .39-210
2.
BREATHING GAS COMPOSITION REQUIREMENTS
.
.
.
.
.
.39-210
a.
Oxygen Concentration . . . . . .
.
.
.
.
.
.39-210
b.
Anoxia and Oxygen Toxicity . . .
.
.
.
.
.
.39-210
c.
Oxygen versus Depth Ranges . . .
.
.
.
.
.
.39-212
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