871-B155-01 INTACT STABILITY.pdf

REV. DATE APRD.

- 11/16/2021

DR. BY DES. BY CHK'D BY

MDE MDC

APRD. FOR THE DIR. - CH. DES. BR. SIZE REV.

DATE

SHEET: COVER

MARINE DESIGN CENTER

100 PENN SQUARE EAST

PHILADELPHIA, PA 19107

RECOMMENDED - PROJ ENG.

MARINE DESIGN CENTER

CORPS OF ENGINEERS

150' x 40' x 9'

INTACT STABILITY CALCULATIONS

PROJECT NO.

REVISIONS

DESCRIPTION

ORIGINAL ISSUE

871-B155-01

DEPARTMENT OF THE ARMY

DRAWING NO.

November 16, 2021

ST. PAUL DISTRICT - EXCAVATOR BARGE

SCALE: AS SHOWN

A 3218T.J. KEYSER, P.E. NA

M. D. EAYRE, P.E. NA

INTACT STABILITY

TABLE OF CONTENTS

TITLE PAGE

INTRODUCTION 2

DEFINITIONS 3

CALCULATION NOTES 4

SUMMARY 5

Overall Maximum VCG Curve with Loading Conditions 6

Intact Stability, Lightship Maximum VCG Curves 7

Weather Stability Calculations 8

APPENDIX

GHS PRINT FILES 9

INTRODUCTION

Applicability

This information is applicable to the following vessel for MDC Project 3218:

MDC Hull Number Vessel Name

871 TBD

The vessel is a deck barge with a travelling spud system that will be separately paired with a crawler excavator and a wheeled crane, intended for rivers, inshore, intracoastal and protected waters within the St. Paul District area of operations.

Purpose

Stability calculations are to demonstrate compliance with specified stability requirements and to develop a curve of the maximum cargo center of gravity vs. draft.

Criteria

1. 46 CFR 174.015 – Criterion for Deck Cargo Barges for operating in lakes, bays, sounds and Great Lakes summer service.

(a)(2) At least 10-foot-degrees of righting energy to the smallest of the following:

(A) Angle of maximum righting arm

(B) Angle of downflooding, or

(C) 40-degrees.

2. 46 CFR 170.170 – Weather Criteria (Required GM) for Protected Waters;

(a) Each vessel must be shown by design calculations to have a metacentric height

(GM) that is equal to or greater than the following in each condition of loading and operation:

Where—

P = 0.00261+(L/14,200)2 tons/ft2 . . . for service on protected waters.

L = LBP in feet.

A = projected lateral area in square feet of the portion of the vessel and deck cargo above the waterline.

)tan(TW

PAHGM >

871-B155-01 Page 2

H = the vertical distance in feet from the center of “A” to the center of the underwater lateral area or approximately to the one-half draft point.

W = displacement in long tons.

T = the lesser of either 14 degrees heel or the angle of heel in degrees at which one-half the freeboard to the deck edge is immersed. The deck edge is to be taken as the intersection of the side shell and the uppermost continuous deck below which the side shell is weathertight.

(b) If approved by the Coast Guard Marine Safety Center or the ABS, a larger value of T may be used for a vessel with a discontinuous weather deck or abnormal sheer.

DEFINITIONS

DISPL Total Displacement in long tons (2240 pounds)

LS Light Ship

Draft at FP Draft at Forward Perpendicular in feet

Draft at MS Draft at Midship in feet

Draft at AP Draft at After Perpendicular in feet

VCG Center of gravity position above Baseline in feet

LCG Center of gravity position from Midship in feet

TCG Center of gravity position from Centerline in feet

VCB Center of buoyancy position above Baseline in feet

LCB Center of buoyancy position from Midship in feet

TCB Center of buoyancy position from Centerline in feet

LCF Center of flotation position from Midship in feet

KMT Transverse metacenter position above Baseline in feet

KML Longitudinal metacenter position above Baseline in feet

MTI Moment to alter trim one inch in foot-long tons

TPI Long tons per inch immersion

GMT Transverse metacentric height in feet

GML Longitudinal metacentric height in feet

871-B155-01 Page 3

CALCULATION NOTES

1. The calculations are based on the vessels molded dimensions.

2. All distances are measured from the vessel's centerline, baseline and Midship. Locations forward of midship are negative, and locations aft of midship are positive. Locations to the port of centerline are negative, and to the starboard of centerline are positive.

Vertical locations above the baseline are positive.

3. The calculations are for fresh water, specific gravity 1.000

4. The calculations assume no initial trim and no initial heel.

5. All weight units are long tons, equal to 2240 pounds

6. All length units, unless noted, are in feet.

7. Per 46 CFR 174.015, for the purpose of the section, downflooding angle means the static angle from the intersection of the vessel’s centerline and waterline in calm water to the first opening that does not close watertight automatically. For this vessel design, all hatches on the deck are watertight. In addition, all compartment/void vents are the gooseneck type with hinged covers or invert ball checks and can be closed to be weathertight.

8. The Intact Stability analysis were performed for the following conditions.

1. Lightship

2. Departure condition & unballasted, with R976 Excavator on Board.

3. Arrival condition & unballasted, with R976 Excavator on Board.

4. Departure condition & unballasted, with GRT8100 Crane on Board.

5. Arrival condition & unballasted, with GRT8100 Crane on Board.

9. GHS computer software (Creative Systems Inc., Port Townsend, WA (360) 385-6212) was used extensively in the development of this document.

871-B155-01 Page 4

Criteria 1 46CFR174.015 At least 10 ft-degs of righting energy to the smallest of the following:

Angle of maximum righting arm, Angle of downflooding, or 40°

Criteria 2 GM equal to or greater than the calculation from 46CFR170.170

3218 MVP EXCAVATOR BARGE

Smallest Area Measured to:

RArea > 10 ft-degs GM Required

(feet) GM Actual

(feet)

Lightship Condition Port Max RA 131.55 0.41 32.81 4.47

Departure Condition With R976 Excavator Port Max RA 82.08 0.37 23.81 3.07

Arrival Condition With R976 Excavator Starboard Max RA 85.27 0.37 24.71 3.31

Departure Condition With GRT8100 Crane Port Max RA 97.51 0.37 26.27 4.25

Arrival Condition With GRT8100 Crane Starboard Max RA 102.48 0.37 27.35 4.35

Minimum Freeboard (feet)

INTACT STABILITY CALCULATIONS - SUMMARY

Condition Heeling Side for

Calculation

Criteria 1 Criteria 2

871-B155-01 Page 5

0.0

5.0

10.0

15.0

20.0

25.0

30.0

3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0

M

AX

IM

U

M V

CG

(F

EE

T)

DRAFT (FEET)

3218 OVERALL MAXIMUM VCG CURVE

Max VCG

Lightship Condition

Departure Condition w/ Excavator Arrival Condition w/ Excavator Departure Condition w/ Crane Arrival Condition w/ Crane

SAFE

UNSAFE

871-B155-01 Page 6

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

45.0

3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0

M

AX

IM

U

M V

CG

(F

EE

T)

DRAFT (FEET)

3218 LIGHTSHIP, MAXIMUM VCG CURVES

Max VCG at Lightship - 46CFR170.170

Max VCG, Trim 0, GHS

Max VCG, Trim 1F, GHS

Max VCG, Trim 1A, GHS

871-B155-01 Page 7

Instruction: Cells that are highlighted require the vessel data to be entered.

150.00 feet

40.00 feet

9.00 feet ew = 0 ppw = 0 pw = 1

P(ew) = 0 L-Tons/ft 2 wind pressure for Ocean service, Great Lakes winter service, or service on exposed waters (ew).

P(ppw) = 0 L-Tons/ft 2 wind pressure for Great Lakes summer service or service on partially protected waters (ppw).

P(pw) = 0.002612 L-Tons/ft 2 wind pressure for service on protected waters (pw).

D = Draft, feet AH = Projected lateral area of the hull above the WL, ft2 A = Total projected lateral area of the hull and cargo above the waterline, ft2 HH = Center of the hull area above the WL, measured from the Baseline, feet H = Vertical distance from center of A to point at 1/2 draft, ft

AC = Projected lateral area of the superstructure, ft2 W = Displacement, L.Tons, Fresh Water

HC = Center of the superstructure area above the WL, measured from the Baseline, feet tan(T) = Tangent of the lesser of the two (T)s (T) = Angle of heel to 1/2 freeboard or 14 degs, whichever is less KG = Center of gravity above baseline = [(WLS*KGLS)+((W-WLS)*HC)]/W, feet

W LS = 584.10 L.Tons KG LS = 6.85 feet LCF Draft LS = 3.858 feet

KMt = Metacentric height above baseline, feet Actual GM = KMt - KG, feet

Weather Stability by Drafts

D AH HH AC HC A H W FB A x H (ft³) WHm tan (T) to

1/2 FB

(T) degs tan (T) to 14 degs tan(T) Req'd

GM

KG KMt Allowable

KG

3.75 787.50 6.38 508.26 18.01 1,295.76 9.06 567.70 5.25 11,742.26 30.67 0.13 7.48 0.22 0.13 0.41 6.53 40.67 40.26

4.00 750.00 6.50 508.26 18.01 1,258.26 9.15 605.74 5.00 11,509.98 30.06 0.13 7.13 0.20 0.13 0.40 7.25 38.36 37.96

4.25 712.50 6.63 508.26 18.01 1,220.76 9.24 643.77 4.75 11,277.70 29.45 0.12 6.77 0.18 0.12 0.39 7.88 36.34 35.95

4.50 675.00 6.75 508.26 18.01 1,183.26 9.33 681.81 4.50 11,045.42 28.85 0.11 6.42 0.17 0.11 0.38 8.45 34.56 34.18

4.75 637.50 6.88 508.26 18.01 1,145.76 9.44 719.84 4.25 10,813.13 28.24 0.11 6.06 0.16 0.11 0.37 8.95 32.97 32.60

5.00 600.00 7.00 508.26 18.01 1,108.26 9.55 757.88 4.00 10,580.85 27.63 0.10 5.71 0.15 0.10 0.36 9.41 31.56 31.20

5.25 562.50 7.13 508.26 18.01 1,070.76 9.66 795.91 3.75 10,348.57 27.03 0.09 5.36 0.14 0.09 0.36 9.82 30.30 29.94

5.50 525.00 7.25 508.26 18.01 1,033.26 9.79 833.64 3.50 10,116.29 26.42 0.09 5.00 0.13 0.09 0.36 10.19 29.07 28.71

5.75 487.50 7.38 508.26 18.01 995.76 9.93 870.86 3.25 9,884.00 25.81 0.08 4.65 0.12 0.08 0.36 10.52 28.07 27.71

6.00 450.00 7.50 508.26 18.01 958.26 10.07 908.08 3.00 9,651.72 25.21 0.08 4.29 0.11 0.08 0.37 10.83 27.16 26.79

6.25 412.50 7.63 508.26 18.01 920.76 10.23 945.31 2.75 9,419.44 24.60 0.07 3.93 0.10 0.07 0.38 11.11 26.33 25.95

6.50 375.00 7.75 508.26 18.01 883.26 10.40 982.53 2.50 9,187.15 23.99 0.06 3.58 0.10 0.06 0.39 11.37 25.57 25.18

LCF Draft (ft)

Trim (Deg) KG (ft) Req'd GM GM Pass/Fail

3.858 0.48 F 6.85 0.41 32.81 PASS

4.917 0.78 A 8.19 0.37 23.81 PASS

4.747 0.73 A 8.27 0.37 24.71 PASS

4.590 0.08 F 7.64 0.37 26.27 PASS

4.420 0.14 F 7.70 0.37 27.35 PASS

WHm = Wind Heeling Moments

Loading Condition Displacement (LT)

3218 MVP EXCAVATOR BARGE

150'-0" x 40'-0" x 9'-0"

WEATHER STABILITY CRITERION - 46CFR170.170

170.170(a) -Each vessel must be shown by design calculations to have a metacentric height (GM) that is equal to or greater than the following in each condition of loading and operation:

Length (LBP) =

Arrival Condition With GRT8100 Crane 669.70

Beam = Depth =

Select Service

Departure Condition With GRT8100 Crane 695.47

Lightship Condition 584.10

Departure Condition With R976 Excavator 745.21

Arrival Condition With R976 Excavator 719.42

)tan( TW

PAH

GM

871-B155-01 Page 8

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GHS 17.58 CEMVP EXCAVATOR BARGE

LOAD CONDITION - LIGHTSHIP

HYDROSTATIC PROPERTIES

Trim: Fwd 0.48 deg., Heel: Port 0.03 deg., VCG = 6.85

LCF Displacement Buoyancy-Ctr. Weight/ Moment/ Draft----Weight(LT)----LCB-----VCB-----Inch-----LCF--Deg trim----GML-----GMT

3.858 584.10 0.18f 1.95 12.68 3.84a 4887.56 479.4 32.81

Distances in FEET.-------Specific Gravity = 1.000.-----------Moment in Ft-LT.

Draft is from Baseline.

WEIGHT and DISPLACEMENT STATUS Baseline draft: 3.890 @ Origin

Trim: Fwd 0.48 deg., Heel: Port 0.03 deg.

Part------------------------------Weight(LT)----LCG-----TCG-----VCG-------FSM WEIGHT 584.07 0.14f 0.02p 6.85

Load-----SpGr-----Weight(LT)----LCG-----TCG-----VCG Total Tanks---------> 0.00 0.0

Displ(LT)----LCB-----TCB-----VCB------RefHt HULL 1.000 584.10 0.18f 0.02p 1.95 -3.89

Righting Arms: 0.00a 0.00 Distances in FEET.-------------------------------------------Moments in Ft-LT.

FREEBOARD STATUS

Baseline draft: 3.890 @ Origin

Trim: Fwd 0.48 deg., Heel: Port 0.03 deg.

Least freeboard is 4.47 Ft located at 75.00f

CRITICAL POINT STATUS

Baseline draft: 3.890 @ Origin

Trim: Fwd 0.48 deg., Heel: Port 0.03 deg.

Critical Points----------------------LCP-----TCP-----VCP-----Height

(1) BALLAST1.C VENT TIGHT 73.75f 5.00s 10.50 5.99

(2) BALLAST1.S VENT TIGHT 73.75f 11.50s 10.50 6.00

(3) BALLAST1.P VENT TIGHT 73.75f 8.00p 10.50 5.99

(4) VOID2.S VENT TIGHT 29.00f 5.50s 10.50 6.37

(5) VOID2.P VENT TIGHT 29.00f 5.50p 10.50 6.36

(6) VOID5.S VENT TIGHT 25.00a 9.50s 10.50 6.83

(7) VOID5.P VENT TIGHT 25.00a 9.50p 10.50 6.81

(8) BALLAST6.C VENT TIGHT 27.00a 9.50s 10.50 6.84

(9) BALLAST6.S VENT TIGHT 26.00a 9.50s 10.50 6.83

(10) BALLAST6.P VENT TIGHT 26.00a 9.50p 10.50 6.82

(11) SPUD CONTROL ROOM DOOR (P TIGHT 9.50f 15.00p 9.50 5.52

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50 5.47

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50 5.52

Distances in FEET.----------------------------------------------------

871-B155-01 Page 9

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CG - Draft: 3.89 @ 0.00 Trim: fwd 0.48 deg. Heel: port 0.03 deg.

Profile View

Plan View

871-B155-01 Page 10

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STARBOARD RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE LCG = 0.14f TCG = 0.02p VCG = 6.85

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

3.890 0.48f 0.03p 584.10 0.00 0.000 0.00 5.47(12)

3.890 0.48f 0.97s 584.18 0.00 0.573 0.29 5.25(13)

3.887 0.48f 1.97s 584.07 0.00 1.146 1.15 4.99(13)

3.885 0.48f 2.97s 584.07 0.00 1.720 2.58 4.72(13)

3.880 0.48f 3.97s 584.07 0.00 2.295 4.59 4.46(13)

3.875 0.48f 4.97s 584.07 0.00 2.872 7.17 4.19(13)

3.869 0.48f 5.97s 584.07 0.00 3.451 10.33 3.92(13)

3.861 0.48f 6.97s 584.07 0.00 4.032 14.07 3.65(13)

3.852 0.48f 7.97s 584.07 0.00 4.617 18.40 3.38(13)

3.842 0.48f 8.97s 584.07 0.00 5.202 23.31 3.10(13)

3.829 0.48f 9.97s 584.08 0.00 5.784 28.80 2.83(13)

3.760 0.51f 12.64s 584.07 0.00 7.204 46.15 Dk/MargImm.

3.633 0.56f 14.97s 584.07 0.00 8.111 63.98 1.55(13)

3.278 0.72f 19.97s 584.07 0.00 8.963 107.29 0.38(13)

3.155 0.77f 21.57s 584.07 0.00 9.033 121.72 -0.00(13)

3.066 0.81f 22.72s 584.14 0.00 9.045 132.12 -0.27(13)

2.883 0.87f 24.97s 584.07 0.00 9.001 152.38 -0.79(13)

2.449 1.01f 29.97s 584.07 0.00 8.662 196.76 -1.93(13)

1.966 1.09f 34.97s 584.07 0.00 8.106 238.77 -3.01(13)

1.438 1.12f 39.97s 584.07 0.00 7.408 277.61 -4.03(13)

0.355 1.15f 49.97s 584.07 0.00 5.759 343.73 -5.97(13)

-0.715 1.19f 59.97s 584.07 0.00 3.877 392.11 -7.77(13) Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Critical Points----------------------LCP-----TCP-----VCP

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 132.12 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 277.61 P --------------------Relative angles measured from 0.035 ---------------------

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0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Starboard

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

F T

Righting Arm

F T D e g

Righting Area

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

Dk/MargImm.

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PORT RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE LCG = 0.14f TCG = 0.02p VCG = 6.85

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

3.890 0.48f 0.03p 584.10 0.00 0.000 0.00 5.47(12)

3.890 0.48f 1.03p 584.19 0.00 0.573 0.29 5.21(12)

3.887 0.48f 2.03p 584.07 0.00 1.146 1.15 4.95(12)

3.884 0.48f 3.03p 584.07 0.00 1.720 2.58 4.68(12)

3.880 0.48f 4.03p 584.07 0.00 2.295 4.59 4.41(12)

3.875 0.48f 5.03p 584.07 0.00 2.872 7.17 4.15(12)

3.868 0.48f 6.03p 584.07 0.00 3.452 10.33 3.88(12)

3.860 0.48f 7.03p 584.07 0.00 4.034 14.07 3.61(12)

3.851 0.48f 8.03p 584.07 0.00 4.618 18.40 3.33(12)

3.841 0.48f 9.03p 584.07 0.00 5.203 23.31 3.06(12)

3.828 0.48f 10.03p 584.08 0.00 5.785 28.80 2.79(12)

3.760 0.51f 12.64p 584.07 0.00 7.165 45.65 Dk/MargImm.

3.629 0.56f 15.03p 584.07 0.00 8.094 63.95 1.51(12)

3.273 0.72f 20.03p 584.07 0.00 8.930 107.13 0.32(12)

3.167 0.77f 21.42p 584.07 0.00 8.992 119.52 -0.00(12)

3.062 0.81f 22.75p 584.07 0.00 9.009 131.55 -0.31(12)

2.877 0.88f 25.03p 584.07 0.00 8.962 152.04 -0.85(12)

2.442 1.01f 30.03p 584.07 0.00 8.621 196.22 -1.99(12)

1.959 1.09f 35.03p 584.07 0.00 8.064 238.02 -3.08(12)

1.430 1.12f 40.03p 584.07 0.00 7.367 276.66 -4.10(12)

0.347 1.15f 50.03p 584.07 0.00 5.721 342.38 -6.04(12)

-0.722 1.19f 60.03p 584.07 0.00 3.844 390.39 -7.84(12) Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Critical Point-----------------------LCP-----TCP-----VCP

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 131.55 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 276.66 P --------------------Relative angles measured from 0.035 ---------------------

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0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Port

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

F T

Righting Arm

F T D e g

Righting Area

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

871-B155-01 Page 14

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WITH R976 EXCAVATOR ON BOARD

LOAD CONDITION - DEPARTURE CONDITION & UNBALLASTED

HYDROSTATIC PROPERTIES

Trim: Aft 0.78 deg., Heel: Port 0.14 deg., VCG = 8.19

LCF Displacement Buoyancy-Ctr. Weight/ Moment/ Draft----Weight(LT)----LCB-----VCB-----Inch-----LCF--Deg trim----GML-----GMT

4.917 745.21 9.05a 2.50 12.68 3.84a 4862.84 373.8 23.81

Distances in FEET.-------Specific Gravity = 1.000.-----------Moment in Ft-LT.

Draft is from Baseline. True Free Surface included.

WEIGHT and DISPLACEMENT STATUS Baseline draft: 4.864 @ Origin

Trim: Aft 0.78 deg., Heel: Port 0.14 deg.

Part------------------------------Weight(LT)----LCG-----TCG-----VCG LIGHT SHIP 584.07 0.14f 0.02p 6.85

CREW & EFFECT 5.00 0.00 0.00 9.00

STORES AND PROVISIONS 10.00 35.00a 0.00 4.00 R976 EXCAVATOR 105.31 58.00a 0.00 17.00

Total Fixed---------> 704.38 9.05a 0.02p 8.34 Load-----SpGr-----Weight(LT)----LCG-----TCG-----VCG-------FSM

FUELOIL.S 0.980 0.870 13.97 13.03a 3.94s 5.81 12.2 FUELOIL.P 0.980 0.870 13.97 13.03a 3.95p 5.81 12.2 SEWAGE.S 0.100 1.025 1.09 7.83f 4.99s 2.83 5.0 POTABLE.P 0.980 1.000 10.44 3.98f 5.00p 5.69 4.9 WO.S 0.100 0.924 0.07 7.64f 10.64s 2.82 0.2 LO.S 0.980 0.924 0.65 5.00f 10.65s 4.14 0.2 HO.S 0.980 0.924 0.65 2.33f 10.65s 4.14 0.2

Total Tanks---------> 40.84 7.56a 0.79p 5.64 34.9 Total Weight--------> 745.22 8.97a 0.06p 8.19

Displ(LT)----LCB-----TCB-----VCB------RefHt HULL 1.000 745.21 9.05a 0.07p 2.50 -4.86

Righting Arms: 0.00 0.00 Distances in FEET.-------------------------------------------Moments in Ft-LT.

FREEBOARD STATUS

Baseline draft: 4.864 @ Origin

Trim: Aft 0.78 deg., Heel: Port 0.14 deg.

Least freeboard is 3.07 Ft located at 75.00a

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CRITICAL POINT STATUS

Baseline draft: 4.864 @ Origin

Trim: Aft 0.78 deg., Heel: Port 0.14 deg.

Critical Points----------------------LCP-----TCP-----VCP-----Height

(1) BALLAST1.C VENT TIGHT 73.75f 5.00s 10.50 6.65

(2) BALLAST1.S VENT TIGHT 73.75f 11.50s 10.50 6.67

(3) BALLAST1.P VENT TIGHT 73.75f 8.00p 10.50 6.62

(4) VOID2.S VENT TIGHT 29.00f 5.50s 10.50 6.04

(5) VOID2.P VENT TIGHT 29.00f 5.50p 10.50 6.02

(6) VOID5.S VENT TIGHT 25.00a 9.50s 10.50 5.32

(7) VOID5.P VENT TIGHT 25.00a 9.50p 10.50 5.27

(8) BALLAST6.C VENT TIGHT 27.00a 9.50s 10.50 5.29

(9) BALLAST6.S VENT TIGHT 26.00a 9.50s 10.50 5.30

(10) BALLAST6.P VENT TIGHT 26.00a 9.50p 10.50 5.26

(11) SPUD CONTROL ROOM DOOR (P TIGHT 9.50f 15.00p 9.50 4.73

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50 4.80

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50 4.84

871-B155-01 Page 16

11/15/21 19:50:22 U.S. Army Corps of Engineers Page 3

CG - Draft: 4.86 @ 0.00 Trim: aft 0.78 deg. Heel: port 0.14 deg.

42 31

Profile View

Plan View

Tanks 1 FUELOIL.S..98% FUEL OIL Intact 2 FUELOIL.P..98% FUEL OIL Intact

3 SEWAGE.S...10% SEWAGE Intact 4 POTABLE.P..98% FRESH WATER Intact 5 WO.S.......10% LUBE OIL Intact

6 LO.S.......98% LUBE OIL Intact 7 HO.S.......98% HYDR OIL Intact

871-B155-01 Page 17

11/15/21 19:50:22 U.S. Army Corps of Engineers Page 4

STARBOARD RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE Fixed CG: LCG = 9.05a TCG = 0.02p VCG = 8.34

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

4.864 0.78a 0.14p 745.21 0.00 0.000 0.00 4.73(11)

4.863 0.78a 0.86s 745.21 0.00 0.416 0.21 4.58(13)

4.861 0.78a 1.86s 745.21 0.00 0.832 0.83 4.31(13)

4.858 0.78a 2.86s 745.21 0.00 1.248 1.87 4.05(13)

4.853 0.78a 3.86s 745.20 0.00 1.666 3.33 3.78(13)

4.846 0.78a 4.86s 745.20 0.00 2.085 5.20 3.51(13)

4.839 0.78a 5.86s 745.21 0.00 2.507 7.50 3.25(13)

4.829 0.77a 6.86s 745.20 0.00 2.930 10.22 2.98(13)

4.818 0.77a 7.86s 745.19 0.00 3.355 13.36 2.71(13)

4.806 0.77a 8.86s 745.19 0.00 3.783 16.93 2.43(13)

4.806 0.77a 8.90s 745.23 0.00 3.800 17.08 Dk/MargImm.

4.793 0.77a 9.86s 745.12 0.00 4.212 20.93 2.16(13)

4.763 0.92a 14.86s 745.22 0.00 5.907 46.34 0.77(13)

4.763 1.09a 17.56s 745.21 0.00 6.301 62.90 0.00(13)

4.759 1.24a 19.86s 745.22 0.00 6.423 77.54 -0.65(13)

4.753 1.31a 20.90s 745.22 0.00 6.434 84.21 -0.95(13)

4.712 1.60a 24.86s 745.22 0.00 6.302 109.60 -2.06(13)

4.605 1.99a 29.86s 745.22 0.00 5.886 140.19 -3.41(13)

4.421 2.43a 34.86s 745.22 0.00 5.305 168.24 -4.68(13)

4.173 2.90a 39.86s 745.21 0.00 4.624 193.10 -5.87(13)

3.567 3.81a 49.86s 745.21 0.00 3.086 231.84 -8.08(13)

2.867 4.60a 59.86s 745.21 0.00 1.419 254.48 -10.06(13)

Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Note: The Center of Gravity shown above is for the Fixed Weight of

704.38 LT. As the tank load centers shift with heel and

trim, the total Center of Gravity varies. The righting arms shown above include the effect of the C.G. variation.

Critical Points----------------------LCP-----TCP-----VCP

(11) SPUD CONTROL ROOM DOOR (P TIGHT 9.50f 15.00p 9.50

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 84.21 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 193.10 P --------------------Relative angles measured from 0.141 ---------------------

871-B155-01 Page 18

11/15/21 19:50:22 U.S. Army Corps of Engineers Page 5

0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Starboard

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

F T

Righting Arm

F T D e g

Righting Area

-10

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

871-B155-01 Page 19

11/15/21 19:50:22 U.S. Army Corps of Engineers Page 6

PORT RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE Fixed CG: LCG = 9.05a TCG = 0.02p VCG = 8.34

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

4.864 0.78a 0.14p 745.21 0.00 0.000 0.00 4.73(11)

4.863 0.78a 1.14p 745.20 0.00 0.416 0.21 4.46(11)

4.861 0.78a 2.14p 745.20 0.00 0.832 0.83 4.20(11)

4.857 0.78a 3.14p 745.21 0.00 1.249 1.87 3.94(11)

4.851 0.78a 4.14p 745.20 0.00 1.667 3.33 3.67(11)

4.844 0.78a 5.14p 745.20 0.00 2.087 5.21 3.40(11)

4.836 0.78a 6.14p 745.21 0.00 2.509 7.51 3.13(11)

4.826 0.77a 7.14p 745.20 0.00 2.933 10.23 2.86(11)

4.815 0.77a 8.14p 745.20 0.00 3.359 13.37 2.59(11)

4.806 0.77a 8.90p 745.23 0.00 3.684 16.04 Dk/MargImm.

4.802 0.77a 9.14p 745.19 0.00 3.789 16.95 2.32(11)

4.789 0.77a 10.14p 745.11 0.00 4.216 20.95 2.05(11)

4.763 0.93a 15.14p 745.22 0.00 5.852 46.25 0.64(11)

4.763 1.07a 17.38p 745.22 0.00 6.172 59.74 0.00(11)

4.758 1.26a 20.14p 745.29 0.00 6.317 77.08 -0.80(11)

4.753 1.31a 20.93p 745.22 0.00 6.324 82.08 -1.02(11)

4.708 1.62a 25.14p 745.22 0.00 6.179 108.58 -2.21(11)

4.597 2.01a 30.14p 745.22 0.00 5.756 138.53 -3.58(11)

4.409 2.45a 35.14p 745.22 0.00 5.173 165.91 -4.87(11)

4.159 2.92a 40.14p 745.21 0.00 4.493 190.12 -6.08(11)

3.549 3.83a 50.14p 745.21 0.00 2.966 227.60 -8.33(11)

2.848 4.61a 60.14p 745.21 0.00 1.313 249.10 -10.34(11)

Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Note: The Center of Gravity shown above is for the Fixed Weight of

704.38 LT. As the tank load centers shift with heel and

trim, the total Center of Gravity varies. The righting arms shown above include the effect of the C.G. variation.

Critical Point-----------------------LCP-----TCP-----VCP

(11) SPUD CONTROL ROOM DOOR (P TIGHT 9.50f 15.00p 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 82.08 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 190.12 P --------------------Relative angles measured from 0.141 ---------------------

871-B155-01 Page 20

11/15/21 19:50:22 U.S. Army Corps of Engineers Page 7

0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Port

0.0

1.0

2.0

3.0

4.0

5.0

6.0

F T

Righting Arm

F T D e g

Righting Area

-10

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

871-B155-01 Page 21

WITH R976 EXCAVATOR ON BOARD

LOAD CONDITION - ARRIVAL CONDITION & UNBALLASTED

HYDROSTATIC PROPERTIES

Trim: Aft 0.73 deg., Heel: Stbd 0.14 deg., VCG = 8.27

LCF Displacement Buoyancy-Ctr. Weight/ Moment/ Draft----Weight(LT)----LCB-----VCB-----Inch-----LCF--Deg trim----GML-----GMT

4.747 719.42 8.86a 2.41 12.68 3.84a 4863.18 387.3 24.71

Distances in FEET.-------Specific Gravity = 1.000.-----------Moment in Ft-LT.

Draft is from Baseline. True Free Surface included.

WEIGHT and DISPLACEMENT STATUS Baseline draft: 4.699 @ Origin

Trim: Aft 0.73 deg., Heel: Stbd 0.14 deg.

Part------------------------------Weight(LT)----LCG-----TCG-----VCG LIGHT SHIP 584.07 0.14f 0.02p 6.85

CREW & EFFECT 5.00 0.00 0.00 9.00

STORES AND PROVISIONS 10.00 35.00a 0.00 4.00 R976 EXCAVATOR 105.31 58.00a 0.00 17.00

Total Fixed---------> 704.38 9.05a 0.02p 8.34 Load-----SpGr-----Weight(LT)----LCG-----TCG-----VCG-------FSM

FUELOIL.S 0.100 0.870 1.43 13.24a 3.49s 3.05 12.2 FUELOIL.P 0.100 0.870 1.43 13.24a 3.45p 3.05 12.2 SEWAGE.S 0.950 1.025 10.37 7.98f 5.00s 5.59 5.0 POTABLE.P 0.100 1.000 1.07 3.84f 4.99p 2.83 4.9 WO.S 0.950 0.924 0.63 7.66f 10.65s 4.09 0.2 LO.S 0.100 0.924 0.07 4.97f 10.65s 2.82 0.2 HO.S 0.100 0.924 0.07 2.31f 10.65s 2.82 0.2

Total Tanks---------> 15.05 3.62f 3.64s 4.82 34.9 Total Weight--------> 719.43 8.79a 0.06s 8.27

Displ(LT)----LCB-----TCB-----VCB------RefHt HULL 1.000 719.42 8.86a 0.07s 2.41 -4.70

Righting Arms: 0.00 0.00 Distances in FEET.-------------------------------------------Moments in Ft-LT.

FREEBOARD STATUS

Baseline draft: 4.699 @ Origin

Trim: Aft 0.73 deg., Heel: Stbd 0.14 deg.

Least freeboard is 3.31 Ft located at 75.00a

871-B155-01 Page 22

CRITICAL POINT STATUS

Baseline draft: 4.699 @ Origin

Trim: Aft 0.73 deg., Heel: Stbd 0.14 deg.

Critical Points----------------------LCP-----TCP-----VCP-----Height

(1) BALLAST1.C VENT TIGHT 73.75f 5.00s 10.50 6.72

(2) BALLAST1.S VENT TIGHT 73.75f 11.50s 10.50 6.71

(3) BALLAST1.P VENT TIGHT 73.75f 8.00p 10.50 6.75

(4) VOID2.S VENT TIGHT 29.00f 5.50s 10.50 6.15

(5) VOID2.P VENT TIGHT 29.00f 5.50p 10.50 6.18

(6) VOID5.S VENT TIGHT 25.00a 9.50s 10.50 5.46

(7) VOID5.P VENT TIGHT 25.00a 9.50p 10.50 5.51

(8) BALLAST6.C VENT TIGHT 27.00a 9.50s 10.50 5.44

(9) BALLAST6.S VENT TIGHT 26.00a 9.50s 10.50 5.45

(10) BALLAST6.P VENT TIGHT 26.00a 9.50p 10.50 5.49

(11) SPUD CONTROL ROOM DOOR (P TIGHT 9.50f 15.00p 9.50 4.96

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50 5.03

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50 4.92

871-B155-01 Page 23

CG - Draft: 4.70 @ 0.00 Trim: aft 0.73 deg. Heel: stbd 0.14 deg.

42 31

Profile View

Plan View

Tanks 1 FUELOIL.S..10% FUEL OIL Intact 2 FUELOIL.P..10% FUEL OIL Intact

3 SEWAGE.S...95% SEWAGE Intact 4 POTABLE.P..10% FRESH WATER Intact 5 WO.S.......95% LUBE OIL Intact

6 LO.S.......10% LUBE OIL Intact 7 HO.S.......10% HYDR OIL Intact

871-B155-01 Page 24

STARBOARD RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE Fixed CG: LCG = 9.05a TCG = 0.02p VCG = 8.34

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

4.698 0.73a 0.14s 719.42 0.00 0.000 0.00 4.92(13)

4.697 0.73a 1.14s 719.42 0.00 0.431 0.22 4.66(13)

4.695 0.73a 2.14s 719.42 0.00 0.863 0.86 4.39(13)

4.691 0.72a 3.14s 719.42 0.00 1.296 1.94 4.13(13)

4.686 0.72a 4.14s 719.42 0.00 1.729 3.45 3.86(13)

4.679 0.72a 5.14s 719.42 0.00 2.164 5.40 3.59(13)

4.671 0.72a 6.14s 719.42 0.00 2.601 7.78 3.32(13)

4.662 0.72a 7.14s 719.42 0.00 3.041 10.61 3.05(13)

4.651 0.72a 8.14s 719.41 0.00 3.483 13.87 2.78(13)

4.639 0.72a 9.14s 719.42 0.00 3.928 17.57 2.51(13)

4.633 0.72a 9.56s 719.45 0.00 4.114 19.25 Dk/MargImm.

4.625 0.72a 10.14s 719.40 0.00 4.374 21.72 2.24(13)

4.562 0.87a 15.14s 719.44 0.00 6.131 48.10 0.88(13)

4.518 1.08a 18.38s 719.43 0.00 6.554 68.81 -0.00(13)

4.485 1.20a 20.14s 719.44 0.00 6.624 80.40 -0.48(13)

4.470 1.25a 20.87s 719.44 0.00 6.630 85.27 -0.67(13)

4.352 1.56a 25.14s 719.40 0.00 6.476 113.43 -1.79(13)

4.144 1.99a 30.14s 719.43 0.00 6.028 144.81 -3.03(13)

3.865 2.46a 35.14s 719.46 0.00 5.415 173.49 -4.20(13)

3.540 2.94a 40.14s 719.43 0.00 4.710 198.84 -5.32(13)

2.818 3.84a 50.14s 719.43 0.00 3.129 238.22 -7.41(13)

2.033 4.59a 60.14s 719.38 0.00 1.419 261.07 -9.30(13)

Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Note: The Center of Gravity shown above is for the Fixed Weight of

704.38 LT. As the tank load centers shift with heel and

trim, the total Center of Gravity varies. The righting arms shown above include the effect of the C.G. variation.

Critical Point-----------------------LCP-----TCP-----VCP

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 85.27 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 198.84 P --------------------Relative angles measured from 0.138 ---------------------

871-B155-01 Page 25

0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Starboard

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

F T

Righting Arm

F T D e g

Righting Area

-10

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

871-B155-01 Page 26

PORT RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE Fixed CG: LCG = 9.05a TCG = 0.02p VCG = 8.34

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

4.698 0.73a 0.14s 719.42 0.00 0.000 0.00 4.92(13)

4.698 0.73a 0.86p 719.42 0.00 0.431 0.22 4.70(11)

4.696 0.73a 1.86p 719.42 0.00 0.863 0.86 4.43(11)

4.692 0.72a 2.86p 719.42 0.00 1.295 1.94 4.17(11)

4.688 0.72a 3.86p 719.42 0.00 1.728 3.45 3.90(11)

4.681 0.72a 4.86p 719.42 0.00 2.163 5.40 3.63(11)

4.674 0.72a 5.86p 719.42 0.00 2.599 7.78 3.36(11)

4.665 0.72a 6.86p 719.42 0.00 3.038 10.60 3.09(11)

4.654 0.72a 7.86p 719.42 0.00 3.479 13.86 2.82(11)

4.642 0.72a 8.86p 719.42 0.00 3.922 17.56 2.55(11)

4.633 0.72a 9.56p 719.45 0.00 4.232 20.39 Dk/MargImm.

4.629 0.72a 9.86p 719.42 0.00 4.369 21.70 2.28(11)

4.566 0.85a 14.86p 719.44 0.00 6.185 48.19 0.91(11)

4.521 1.06a 18.19p 719.43 0.00 6.655 69.71 -0.00(11)

4.491 1.18a 19.86p 719.44 0.00 6.731 80.91 -0.46(11)

4.470 1.25a 20.87p 719.43 0.00 6.741 87.70 -0.73(11)

4.361 1.54a 24.86p 719.40 0.00 6.602 114.51 -1.79(11)

4.158 1.97a 29.86p 719.43 0.00 6.161 146.54 -3.06(11)

3.881 2.44a 34.86p 719.46 0.00 5.550 175.88 -4.25(11)

3.558 2.92a 39.86p 719.43 0.00 4.842 201.90 -5.39(11)

2.838 3.82a 49.86p 719.43 0.00 3.252 242.57 -7.54(11)

2.054 4.58a 59.86p 719.38 0.00 1.526 266.57 -9.47(11)

Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Note: The Center of Gravity shown above is for the Fixed Weight of

704.38 LT. As the tank load centers shift with heel and

trim, the total Center of Gravity varies. The righting arms shown above include the effect of the C.G. variation.

Critical Points----------------------LCP-----TCP-----VCP

(11) SPUD CONTROL ROOM DOOR (P TIGHT 9.50f 15.00p 9.50

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 87.70 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 201.90 P --------------------Relative angles measured from 0.138 ---------------------

871-B155-01 Page 27

0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Port

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

F T

Righting Arm

F T D e g

Righting Area

-10

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

871-B155-01 Page 28

WITH GRT8100 CRANE ON BOARD

LOAD CONDITION - DEPARTURE CONDITION & UNBALLASTED

HYDROSTATIC PROPERTIES

Trim: Fwd 0.08 deg., Heel: Port 0.14 deg., VCG = 7.64

LCF Displacement Buoyancy-Ctr. Weight/ Moment/ Draft----Weight(LT)----LCB-----VCB-----Inch-----LCF--Deg trim----GML-----GMT

4.590 695.47 3.30a 2.30 12.68 3.84a 4870.70 401.2 26.27

Distances in FEET.-------Specific Gravity = 1.000.-----------Moment in Ft-LT.

Draft is from Baseline. True Free Surface included.

WEIGHT and DISPLACEMENT STATUS Baseline draft: 4.595 @ Origin

Trim: Fwd 0.08 deg., Heel: Port 0.14 deg.

Part------------------------------Weight(LT)----LCG-----TCG-----VCG LIGHT SHIP 584.07 0.14f 0.02p 6.85

CREW & EFFECT 5.00 0.00 0.00 9.00

STORES AND PROVISIONS 10.00 35.00a 0.00 4.00 GRT8100 CRANE 55.58 31.00a 0.00 18.00

Total Fixed---------> 654.65 3.04a 0.02p 7.77 Load-----SpGr-----Weight(LT)----LCG-----TCG-----VCG-------FSM

FUELOIL.S 0.980 0.870 13.97 13.00a 3.94s 5.81 12.2 FUELOIL.P 0.980 0.870 13.97 13.00a 3.95p 5.81 12.2 SEWAGE.S 0.100 1.025 1.09 8.02f 4.99s 2.83 5.0 POTABLE.P 0.980 1.000 10.44 4.00f 5.00p 5.69 4.9 WO.S 0.100 0.924 0.07 7.67f 10.64s 2.82 0.2 LO.S 0.980 0.924 0.65 5.00f 10.65s 4.14 0.2 HO.S 0.980 0.924 0.65 2.33f 10.65s 4.14 0.2

Total Tanks---------> 40.84 7.53a 0.79p 5.64 34.9 Total Weight--------> 695.49 3.30a 0.06p 7.64

Displ(LT)----LCB-----TCB-----VCB------RefHt HULL 1.000 695.47 3.30a 0.08p 2.30 -4.60

Righting Arms: 0.00 0.00 Distances in FEET.-------------------------------------------Moments in Ft-LT.

FREEBOARD STATUS

Baseline draft: 4.595 @ Origin

Trim: Fwd 0.08 deg., Heel: Port 0.14 deg.

Least freeboard is 4.25 Ft located at 74.87f

871-B155-01 Page 29

CRITICAL POINT STATUS

Baseline draft: 4.595 @ Origin

Trim: Fwd 0.08 deg., Heel: Port 0.14 deg.

Critical Points----------------------LCP-----TCP-----VCP-----Height

(1) BALLAST1.C VENT TIGHT 73.75f 5.00s 10.50 5.81

(2) BALLAST1.S VENT TIGHT 73.75f 11.50s 10.50 5.83

(3) BALLAST1.P VENT TIGHT 73.75f 8.00p 10.50 5.78

(4) VOID2.S VENT TIGHT 29.00f 5.50s 10.50 5.88

(5) VOID2.P VENT TIGHT 29.00f 5.50p 10.50 5.85

(6) VOID5.S VENT TIGHT 25.00a 9.50s 10.50 5.96

(7) VOID5.P VENT TIGHT 25.00a 9.50p 10.50 5.92

(8) BALLAST6.C VENT TIGHT 27.00a 9.50s 10.50 5.97

(9) BALLAST6.S VENT TIGHT 26.00a 9.50s 10.50 5.96

(10) BALLAST6.P VENT TIGHT 26.00a 9.50p 10.50 5.92

(11) SPUD CONTROL ROOM DOOR (P TIGHT 9.50f 15.00p 9.50 4.85

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50 4.85

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50 4.92

871-B155-01 Page 30

CG - Draft: 4.60 @ 0.00 Trim: fwd 0.08 deg. Heel: port 0.14 deg.

42 31

Profile View

Plan View

Tanks 1 FUELOIL.S..98% FUEL OIL Intact 2 FUELOIL.P..98% FUEL OIL Intact

3 SEWAGE.S...10% SEWAGE Intact 4 POTABLE.P..98% FRESH WATER Intact 5 WO.S.......10% LUBE OIL Intact

6 LO.S.......98% LUBE OIL Intact 7 HO.S.......98% HYDR OIL Intact

871-B155-01 Page 31

STARBOARD RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE Fixed CG: LCG = 3.04a TCG = 0.02p VCG = 7.77

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

4.595 0.08f 0.14p 695.47 0.00 0.000 0.00 4.85(12)

4.595 0.08f 0.86s 695.55 0.00 0.459 0.23 4.66(13)

4.593 0.08f 1.86s 695.49 0.00 0.917 0.92 4.40(13)

4.590 0.08f 2.86s 695.49 0.00 1.377 2.06 4.13(13)

4.585 0.08f 3.86s 695.49 0.00 1.838 3.67 3.87(13)

4.579 0.08f 4.86s 695.49 0.00 2.301 5.74 3.60(13)

4.571 0.08f 5.86s 695.49 0.00 2.765 8.27 3.33(13)

4.563 0.08f 6.86s 695.49 0.00 3.232 11.27 3.06(13)

4.552 0.08f 7.86s 695.49 0.00 3.701 14.74 2.79(13)

4.541 0.08f 8.86s 695.50 0.00 4.172 18.68 2.52(13)

4.529 0.08f 9.86s 695.49 0.00 4.647 23.08 2.24(13)

4.496 0.09f 12.10s 695.49 0.00 5.717 34.69 Dk/MargImm.

4.463 0.11f 14.86s 695.49 0.00 6.761 51.91 0.85(13)

4.432 0.15f 17.78s 695.49 0.00 7.263 72.50 0.00(13)

4.407 0.18f 19.86s 695.42 0.00 7.404 87.83 -0.61(13)

4.387 0.21f 21.54s 695.49 0.00 7.430 100.27 -1.10(13)

4.343 0.27f 24.86s 695.49 0.00 7.331 124.90 -2.09(13)

4.267 0.40f 29.86s 695.49 0.00 6.947 160.83 -3.58(13)

4.189 0.57f 34.86s 695.50 0.00 6.384 194.23 -5.09(13)

4.119 0.79f 39.86s 695.48 0.00 5.701 224.49 -6.61(13)

3.889 1.24f 49.86s 695.43 0.00 4.136 273.90 -9.50(13)

3.532 1.65f 59.86s 695.43 0.00 2.396 306.71 -12.08(13)

Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Note: The Center of Gravity shown above is for the Fixed Weight of

654.65 LT. As the tank load centers shift with heel and

trim, the total Center of Gravity varies. The righting arms shown above include the effect of the C.G. variation.

Critical Points----------------------LCP-----TCP-----VCP

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 100.27 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 224.49 P --------------------Relative angles measured from 0.137 ---------------------

871-B155-01 Page 32

0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Starboard

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

F T

Righting Arm

F T D e g

Righting Area

-10

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

871-B155-01 Page 33

PORT RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE Fixed CG: LCG = 3.04a TCG = 0.02p VCG = 7.77

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

4.595 0.08f 0.14p 695.47 0.00 0.000 0.00 4.85(12)

4.595 0.08f 1.14p 695.61 0.00 0.459 0.23 4.58(12)

4.592 0.08f 2.14p 695.49 0.00 0.918 0.92 4.32(12)

4.589 0.08f 3.14p 695.49 0.00 1.378 2.07 4.05(12)

4.584 0.08f 4.14p 695.49 0.00 1.839 3.67 3.79(12)

4.577 0.08f 5.14p 695.49 0.00 2.303 5.74 3.52(12)

4.569 0.08f 6.14p 695.49 0.00 2.768 8.28 3.25(12)

4.560 0.08f 7.14p 695.49 0.00 3.235 11.28 2.98(12)

4.549 0.08f 8.14p 695.50 0.00 3.705 14.75 2.71(12)

4.538 0.08f 9.14p 695.50 0.00 4.178 18.69 2.44(12)

4.526 0.08f 10.14p 695.49 0.00 4.654 23.11 2.16(12)

4.496 0.09f 12.10p 695.49 0.00 5.593 33.17 Dk/MargImm.

4.461 0.11f 15.14p 695.49 0.00 6.708 51.84 0.76(12)

4.433 0.15f 17.75p 695.49 0.00 7.141 70.06 0.00(12)

4.403 0.18f 20.14p 695.41 0.00 7.294 87.33 -0.70(12)

4.387 0.21f 21.53p 695.49 0.00 7.313 97.51 -1.11(12)

4.340 0.28f 25.14p 695.49 0.00 7.202 123.81 -2.18(12)

4.262 0.41f 30.14p 695.49 0.00 6.811 159.07 -3.68(12)

4.185 0.58f 35.14p 695.50 0.00 6.245 191.79 -5.20(12)

4.114 0.80f 40.14p 695.48 0.00 5.565 221.36 -6.73(12)

3.880 1.25f 50.14p 695.43 0.00 4.010 269.45 -9.63(12)

3.520 1.66f 60.14p 695.43 0.00 2.284 301.06 -12.23(12)

Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Note: The Center of Gravity shown above is for the Fixed Weight of

654.65 LT. As the tank load centers shift with heel and

trim, the total Center of Gravity varies. The righting arms shown above include the effect of the C.G. variation.

Critical Point-----------------------LCP-----TCP-----VCP

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 97.51 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 221.36 P --------------------Relative angles measured from 0.137 ---------------------

871-B155-01 Page 34

0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Port

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

F T

Righting Arm

F T D e g

Righting Area

-10

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

871-B155-01 Page 35

WITH GRT8100 CRANE ON BOARD

LOAD CONDITION - ARRIVAL CONDITION & UNBALLASTED

HYDROSTATIC PROPERTIES

Trim: Fwd 0.14 deg., Heel: Stbd 0.13 deg., VCG = 7.70

LCF Displacement Buoyancy-Ctr. Weight/ Moment/ Draft----Weight(LT)----LCB-----VCB-----Inch-----LCF--Deg trim----GML-----GMT

4.420 669.70 2.88a 2.22 12.68 3.84a 4871.46 416.7 27.35

Distances in FEET.-------Specific Gravity = 1.000.-----------Moment in Ft-LT.

Draft is from Baseline. True Free Surface included.

WEIGHT and DISPLACEMENT STATUS Baseline draft: 4.430 @ Origin

Trim: Fwd 0.14 deg., Heel: Stbd 0.13 deg.

Part------------------------------Weight(LT)----LCG-----TCG-----VCG LIGHT SHIP 584.07 0.14f 0.02p 6.85

CREW & EFFECT 5.00 0.00 0.00 9.00

STORES AND PROVISIONS 10.00 35.00a 0.00 4.00 GRT8100 CRANE 55.58 31.00a 0.00 18.00

Total Fixed---------> 654.65 3.04a 0.02p 7.77 Load-----SpGr-----Weight(LT)----LCG-----TCG-----VCG-------FSM

FUELOIL.S 0.100 0.870 1.43 12.95a 3.49s 3.05 12.2 FUELOIL.P 0.100 0.870 1.43 12.95a 3.45p 3.05 12.2 SEWAGE.S 0.950 1.025 10.37 8.00f 5.00s 5.59 5.0 POTABLE.P 0.100 1.000 1.07 4.03f 4.99p 2.83 4.9 WO.S 0.950 0.924 0.63 7.67f 10.65s 4.09 0.2 LO.S 0.100 0.924 0.07 5.00f 10.65s 2.82 0.2 HO.S 0.100 0.924 0.07 2.34f 10.65s 2.82 0.2

Total Tanks---------> 15.05 3.70f 3.64s 4.82 34.9 Total Weight--------> 669.70 2.89a 0.06s 7.70

Displ(LT)----LCB-----TCB-----VCB------RefHt HULL 1.000 669.70 2.88a 0.08s 2.22 -4.43

Righting Arms: 0.00 0.00 Distances in FEET.-------------------------------------------Moments in Ft-LT.

871-B155-01 Page 36

FREEBOARD STATUS

Baseline draft: 4.430 @ Origin

Trim: Fwd 0.14 deg., Heel: Stbd 0.13 deg.

Least freeboard is 4.35 Ft located at 74.87f

CRITICAL POINT STATUS

Baseline draft: 4.430 @ Origin

Trim: Fwd 0.14 deg., Heel: Stbd 0.13 deg.

Critical Points----------------------LCP-----TCP-----VCP-----Height

(1) BALLAST1.C VENT TIGHT 73.75f 5.00s 10.50 5.88

(2) BALLAST1.S VENT TIGHT 73.75f 11.50s 10.50 5.87

(3) BALLAST1.P VENT TIGHT 73.75f 8.00p 10.50 5.91

(4) VOID2.S VENT TIGHT 29.00f 5.50s 10.50 5.99

(5) VOID2.P VENT TIGHT 29.00f 5.50p 10.50 6.01

(6) VOID5.S VENT TIGHT 25.00a 9.50s 10.50 6.11

(7) VOID5.P VENT TIGHT 25.00a 9.50p 10.50 6.15

(8) BALLAST6.C VENT TIGHT 27.00a 9.50s 10.50 6.11

(9) BALLAST6.S VENT TIGHT 26.00a 9.50s 10.50 6.11

(10) BALLAST6.P VENT TIGHT 26.00a 9.50p 10.50 6.15

(11) SPUD CONTROL ROOM DOOR (P TIGHT 9.50f 15.00p 9.50 5.08

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50 5.07

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50 5.01

871-B155-01 Page 37

CG - Draft: 4.43 @ 0.00 Trim: fwd 0.14 deg. Heel: stbd 0.13 deg.

42 31

Profile View

Plan View

Tanks 1 FUELOIL.S..10% FUEL OIL Intact 2 FUELOIL.P..10% FUEL OIL Intact

3 SEWAGE.S...95% SEWAGE Intact 4 POTABLE.P..10% FRESH WATER Intact 5 WO.S.......95% LUBE OIL Intact

6 LO.S.......10% LUBE OIL Intact 7 HO.S.......10% HYDR OIL Intact

871-B155-01 Page 38

STARBOARD RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE Fixed CG: LCG = 3.04a TCG = 0.02p VCG = 7.77

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

4.430 0.14f 0.13s 669.70 0.00 0.000 0.00 5.01(13)

4.430 0.14f 1.13s 669.83 0.00 0.477 0.24 4.74(13)

4.427 0.14f 2.13s 669.70 0.00 0.955 0.95 4.48(13)

4.423 0.14f 3.13s 669.70 0.00 1.434 2.15 4.21(13)

4.418 0.14f 4.13s 669.70 0.00 1.914 3.82 3.95(13)

4.412 0.14f 5.13s 669.70 0.00 2.395 5.98 3.68(13)

4.404 0.14f 6.13s 669.70 0.00 2.879 8.61 3.41(13)

4.395 0.14f 7.13s 669.70 0.00 3.365 11.74 3.14(13)

4.385 0.14f 8.13s 669.70 0.00 3.854 15.35 2.87(13)

4.373 0.13f 9.13s 669.70 0.00 4.346 19.45 2.60(13)

4.361 0.14f 10.13s 669.71 0.00 4.841 24.04 2.32(13)

4.326 0.14f 12.38s 669.79 0.00 5.947 36.15 Dk/MargImm.

4.263 0.17f 15.13s 669.70 0.00 6.978 53.95 0.96(13)

4.175 0.22f 18.59s 669.71 0.00 7.511 79.23 0.00(13)

4.131 0.24f 20.13s 669.66 0.00 7.596 90.89 -0.43(13)

4.088 0.27f 21.66s 669.71 0.00 7.618 102.48 -0.85(13)

3.983 0.33f 25.13s 669.71 0.00 7.512 128.90 -1.82(13)

3.823 0.44f 30.13s 669.71 0.00 7.112 165.70 -3.23(13)

3.637 0.56f 35.13s 669.71 0.00 6.539 199.90 -4.62(13)

3.458 0.73f 40.13s 669.72 0.00 5.844 230.91 -6.02(13)

3.043 1.08f 50.13s 669.73 0.00 4.230 281.53 -8.70(13)

2.467 1.30f 60.13s 669.71 0.00 2.436 315.00 -11.02(13)

Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Note: The Center of Gravity shown above is for the Fixed Weight of

654.65 LT. As the tank load centers shift with heel and

trim, the total Center of Gravity varies. The righting arms shown above include the effect of the C.G. variation.

Critical Point-----------------------LCP-----TCP-----VCP

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 102.48 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 230.91 P --------------------Relative angles measured from 0.134 ---------------------

871-B155-01 Page 39

0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Starboard

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

F T

Righting Arm

F T D e g

Righting Area

-10

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

871-B155-01 Page 40

PORT RIGHTING ARM

RIGHTING ARMS vs HEEL ANGLE Fixed CG: LCG = 3.04a TCG = 0.02p VCG = 7.77

Origin Degrees of Displacement Righting Arms Flood Pt Depth---Trim----Heel----Weight(LT)---in Trim--in Heel---> Area--Height

4.430 0.14f 0.13s 669.70 0.00 0.000 0.00 5.01(13)

4.430 0.14f 0.87p 669.78 0.00 0.477 0.24 4.81(12)

4.427 0.14f 1.87p 669.70 0.00 0.955 0.95 4.54(12)

4.424 0.14f 2.87p 669.70 0.00 1.433 2.15 4.28(12)

4.420 0.14f 3.87p 669.70 0.00 1.913 3.82 4.01(12)

4.414 0.14f 4.87p 669.70 0.00 2.394 5.97 3.74(12)

4.406 0.14f 5.87p 669.70 0.00 2.876 8.61 3.48(12)

4.398 0.14f 6.87p 669.70 0.00 3.361 11.73 3.21(12)

4.388 0.14f 7.87p 669.70 0.00 3.849 15.33 2.93(12)

4.377 0.13f 8.87p 669.70 0.00 4.340 19.43 2.66(12)

4.365 0.14f 9.87p 669.71 0.00 4.834 24.02 2.39(12)

4.326 0.14f 12.38p 669.79 0.00 6.072 37.73 Dk/MargImm.

4.269 0.17f 14.87p 669.70 0.00 7.032 54.01 1.02(12)

4.176 0.22f 18.55p 669.71 0.00 7.629 81.34 0.00(12)

4.139 0.24f 19.87p 669.66 0.00 7.707 91.41 -0.36(12)

4.088 0.27f 21.67p 669.71 0.00 7.737 105.33 -0.87(12)

3.991 0.33f 24.87p 669.71 0.00 7.643 130.01 -1.76(12)

3.832 0.44f 29.87p 669.71 0.00 7.250 167.49 -3.18(12)

3.648 0.55f 34.87p 669.71 0.00 6.679 202.38 -4.57(12)

3.468 0.72f 39.87p 669.72 0.00 5.983 234.09 -5.98(12)

3.057 1.07f 49.87p 669.73 0.00 4.359 286.05 -8.68(12)

2.486 1.30f 59.87p 669.71 0.00 2.550 320.75 -11.03(12)

Distances in FEET.------Specific Gravity = 1.000.-----------Area in Ft-Deg.

Note: The Center of Gravity shown above is for the Fixed Weight of

654.65 LT. As the tank load centers shift with heel and

trim, the total Center of Gravity varies. The righting arms shown above include the effect of the C.G. variation.

Critical Points----------------------LCP-----TCP-----VCP

(12) COMPANIONWAY DOOR (PORT) TIGHT 15.00f 15.00p 9.50

(13) COMPANIONWAY DOOR (STBD) TIGHT 12.25f 15.00s 9.50

LIM------------46 CFR 174.015 RIGHTING ENERGY REQU----Min/Max--------Attained

(1) Area from Equilibrium to MaxRA > 10.00 Ft-deg 105.33 P

(2) Area from Equilibrium to 40 deg > 10.00 Ft-deg 234.09 P --------------------Relative angles measured from 0.134 ---------------------

871-B155-01 Page 41

0 5 10 15 20 25 30 35 40 45 50 55 60

Degrees of Heel --> Port

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

F T

Righting Arm

F T D e g

Righting Area

-10

-5

F T

0 5 10 15 20 25 30 35 40 45 50 55 60

Tight Pt. Height

871-B155-01 Page 42

11/09/21 21:57:06 U.S. Army Corps of Engineers Page 1

MAXVCG IN 0 DEG. TRIM

MAXIMUM VCG vs. DISPLACEMENT Trim = zero at zero heel (trim righting arm held at zero)

Displacement Margins LONG TONS Max VCG LIM2 LIM3

529.67 28.09 148% 0%

567.70 27.10 150% 0%

605.74 26.11 140% 0%

643.77 25.07 123% 0%

681.81 23.96 111% 0%

719.84 22.76 102% 0%

757.88 21.54 96% 0%

795.91 20.33 78% 0%

833.64 19.13 63% 0%

870.86 17.97 52% 0%

908.08 16.80 38% 0%

945.31 15.66 24% 0%

982.53 14.54 11% 0%

Distances in FEET.---Specific Gravity = 1.000.---d = degrees.

LIM----------USCG 46 CFR-S 174.015 CRITERION----------Min/Max

(2) Area from 0 deg to MaxRA > 10.00 Ft-deg

(3) Area from 0 deg to 40 or Flood > 10.00 Ft-deg

871-B155-01 Page 43

11/09/21 21:57:06 U.S. Army Corps of Engineers Page 2

GHS 17.58 3218 MVP EXCAVATOR BARGE

U S C G

C F R S c r i t e r i o n

M A X I M U M

V C G

K G a t

L E V E L

T R I M i n i t i a l

VCG (KG) in FEET

D i s p l a c e m e n t i n

L O N G

T O N S

S p e c i f i c

G r a v i t y

K

B a s e l i n e

871-B155-01 Page 44

11/09/21 21:57:06 U.S. Army Corps of Engineers Page 3

MAXIMUM VCG vs. DISPLACEMENT Trim = Aft 1.00 deg. at zero heel (trim righting arm held at zero)

Displacement Margins LONG TONS Max VCG LIM2 LIM3

529.67 26.67 148% 0%

567.70 25.77 138% 0%

605.74 24.86 130% 0%

643.77 23.95 119% 0%

681.81 23.03 108% 0%

719.84 22.09 97% 0%

757.88 21.13 86% 0%

795.91 20.13 74% 0%

833.95 19.05 61% 0%

871.93 17.92 53% 0%

910.54 16.75 43% 0%

947.32 15.63 32% 0%

983.70 14.53 21% 0%

Distances in FEET.---Specific Gravity = 1.000.---d = degrees.

LIM----------USCG 46 CFR-S 174.015 CRITERION----------Min/Max

(2) Area from 0 deg to MaxRA > 10.00 Ft-deg

(3) Area from 0 deg to 40 or Flood > 10.00 Ft-deg

871-B155-01 Page 45

11/09/21 21:57:06 U.S. Army Corps of Engineers Page 4

U S C G

C F R S c r i t e r i o n

M A X I M U M

V C G

K G a t d e g r e e s

A F T

T R I M i n i t i a l

VCG (KG) in FEET

D i s p l a c e m e n t i n

L O N G

T O N S

S p e c i f i c

G r a v i t y

B a s e l i n

871-B155-01 Page 46

11/09/21 21:57:06 U.S. Army Corps of Engineers Page 5

MAXIMUM VCG vs. DISPLACEMENT Trim = Fwd 1.00 deg. at zero heel (trim righting arm held at zero)

Displacement Margins LONG TONS Max VCG LIM2 LIM3

529.67 27.88 147% 0%

567.70 26.69 138% 0%

605.74 25.44 128% 0%

644.21 24.18 117% 0%

683.05 22.91 107% 0%

721.20 21.69 97% 0%

759.06 20.50 86% 0%

796.42 19.36 75% 0%

833.64 18.24 63% 0%

870.86 17.13 50% 0%

908.08 16.05 36% 0%

945.31 14.99 20% 0%

982.27 13.95 6% 0%

Distances in FEET.---Specific Gravity = 1.000.---d = degrees.

LIM----------USCG 46 CFR-S 174.015 CRITERION----------Min/Max

(2) Area from 0 deg to MaxRA > 10.00 Ft-deg

(3) Area from 0 deg to 40 or Flood > 10.00 Ft-deg

871-B155-01 Page 47

11/09/21 21:57:06 U.S. Army Corps of Engineers Page 6

U S C G

C F R S c r i t e r i o n

M A X I M U M

V C G

K G a t d e g r e e s

F W D

T R I M i n i t i a l

VCG (KG) in FEET

D i s p l a c e m e n t i n

L O N G

T O N S

S p e c i f i c

G r a v i t y

B a s e l i n

871-B155-01 Page 48