Civil Engineering Reference
In-Depth Information
TABLE 6.16
Steps in CP Design
—
cont
'
d
Input/Output
Data
Item
Calculation and Equations
I
c
(final)
Conductors: HAT to
−
3.0
30.099
1
0.035
1.053
Conductors:
−
3.0 to
−
30.0
151.736
1
0.035
5.311
Conductors:
−
30.0 plus
0.00
1
0.035
0.000
Riser demand conductor
I
c
(initial)
Risers: HAT to
−
3.0
11.124
0.35
0.035
0.136
Risers:
−
3.0 to 30.0
56.076
0.35
0.035
0.687
Risers:
−
30.0 plus
0.00
0.35
0.035
0.00
I
c
(average)
Risers: HAT to
−
3.0
11.124
0.475
0.035
0.185
Risers:
−
3.0 to 30.0
56.076
0.475
0.035
0.932
Risers:
−
30.0 plus
0.00
0.475
0.035
0.00
I
c
(final)
Risers: HAT to
−
3.0
11.124
0.60
0.035
0.234
Risers:
−
3.0 to 30.0
56.076
0.60
0.035
1.178
Risers:
−
30.0 plus
0.00
0.60
0.035
0.00
Pile penetration
I
c
(initial/final and
average)
634.219
1.00
0.01
6.342
Well casing
4
×
(2.5) A/well
10
Total drain current required
16.342
Current demand for jacket buried
I
c
(initial)
49.551
1.00
0.01
0.496
I
c
(average)
49.551
1.00
0.01
0.496
I
c
(final)
49.551
1.00
0.01
0.496
Total initial current,
I
c
(initial)
49.092
Total average current,
I
c
(average)
49.681
Total final current,
I
c
(final)
50.269
(Continued)
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