OU DETRISAC .................................................. 15987
SCOTT OPDYKE ................................................. 15986
MIKE RUGNETTA .............................................. 14767
KATIE SULTANI ................................................. 17959



SUPERVISOR: TOM LAMB
JUNE 2003 R
R
O
O
U
U
G
G
H
H
N
N
E
E
C
C
K
K


2
2
6
6
0
0
0
0


D
D
R
R
A
A
P
P
E
E
R
R


R
R
O
O
A
A
D
D




E
E
N
N
G
G
I
I
N
N
E
E
E
E
R
R
I
I
N
N
G
G




A
A
N
N
N
N


A
A
R
R
B
B
O
O
R
R
,
,


M
M
I
I


4
4
8
8
1
1
0
0
9
9




i
Table of Contents

Summary

List of Tables and Figures................................................................................................iv
List of Equations................................................................................................................v
List of Drawings.................................................................................................................v
List of Appendices .............................................................................................................v

1.0
Introduction ...........................................................................................................1
2.0
Regression Analysis ...............................................................................................2
2.1 Regression
Method ..............................................................................................2
2.2 Regression
Results...............................................................................................3
3.0
Preliminary Design ................................................................................................3
3.1 Deadweight
Estimate...........................................................................................5
3.2 Displacement
Determination ...............................................................................5
3.3 Freeboard
Calculation..........................................................................................7
4.0
Hull Form ...............................................................................................................8
5.0
Weight, Trim & Stability ......................................................................................8
5.1 Weight
Analysis ..................................................................................................8
5.2 Variable
Deck
Load...........................................................................................11
5.3
Trim & Stability Booklet...................................................................................11
6.0
Hydrostatics & Cross Curves of Stability .........................................................12
7.0
Resistance Estimate .............................................................................................12
8.0
Dynamic Positioning............................................................................................14
8.1
Dynamic Positioning System.............................................................................14
8.1.1 DP3
Characteristics ...................................................................................15
8.1.2
Nereuss DP3 System ................................................................................15
9.0
Thrusters ..............................................................................................................15
9.1 Thruster
design ..................................................................................................16
9.1.1 Effects
of
Nozzle .......................................................................................17
9.1.2 Thrust
Characteristics ................................................................................17
9.1.3 Torque
Characteristics...............................................................................18
10.0 Powering ...............................................................................................................19
10.1 Requirements .....................................................................................................20
10.2 Diesel
Gensets ...................................................................................................20
10.3 Electric
Motors ..................................................................................................21
11.0 Machinery Arrangements...................................................................................22
11.1 Fourteen
and
one-half meter platform ...............................................................22
11.2 Twelve Meter Platform......................................................................................23
11.3 Nine and one-half meter platform .....................................................................23
12.0 Machinery Tank Arrangements.........................................................................23
12.1 Fuel Transfer System.........................................................................................23
12.2 Pressurized Fuel Feed System ...........................................................................24
13.0 Special Systems ....................................................................................................24 R
R
O
O
U
U
G
G
H
H
N
N
E
E
C
C
K
K


2
2
6
6
0
0
0
0


D
D
R
R
A
A
P
P
E
E
R
R


R
R
O
O
A
A
D
D




E
E
N
N
G
G
I
I
N
N
E
E
E
E
R
R
I
I
N
N
G
G




A
A
N
N
N
N


A
A
R
R
B
B
O
O
R
R
,
,


M
M
I
I


4
4
8
8
1
1
0
0
9
9




ii
13.1 Cargo
Handling
System.....................................................................................24
13.2 Bilge and Ballast System...................................................................................24
13.2.1 Ballast
System ...........................................................................................24
13.2.2 Bilge
System..............................................................................................24
13.3 Deck
Firemain
system .......................................................................................25
14.0 Vibration Analysis ...............................................................................................26
15.0 Electrical Load Analysis .....................................................................................27
15.1 Method...............................................................................................................27
15.2 Results ...............................................................................................................28
15.3 One
Line
Diagram .............................................................................................29
16.0 Seakeeping............................................................................................................31
16.1 Method...............................................................................................................31
16.2 Hull Natural Frequencies...................................................................................31
16.3 Ship
Operability.................................................................................................32
16.3.1
Ship Operability Results............................................................................32
16.4 Slamming...........................................................................................................36
16.5 Deck
Wetness ....................................................................................................37
17.0 Maneuvering ........................................................................................................37
18.0 Stationkeeping......................................................................................................38
18.1 Classification
Rules ...........................................................................................38
18.2 Current Force & Wind Force Analysis..............................................................39
18.3 Wave Drift Force Analysis ................................................................................39
19.0 Midship Section....................................................................................................41
19.1 Rules ..................................................................................................................41
19.1.1
Midship Section Modulus..........................................................................41
19.1.2 Keel
Plate...................................................................................................41
19.1.3 Bottom
Plating...........................................................................................41
19.1.4 Inner
Bottom
Plating .................................................................................42
19.1.5 Bilge
Plating ..............................................................................................42
19.1.6
Bottom Longitudinal (Wing Tank Area) ...................................................42
19.1.7
Bottom Longitudinal (InnerBottom Area).................................................42
19.1.8
Inner Bottom Longitudinal ........................................................................43
19.1.9
General Side Plating Thickness.................................................................43
19.1.10 Side
Longitudinals.................................................................................43
19.1.11
Deck Plating Thickness .........................................................................43
19.1.12
Deck Longitudinal Section Modu