871-B125-01 HYDROSTATICS.pdf

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Attached to
Excavator Barge Federal contract opportunity
Solicitation number
W912BU-23-B-0024
Issued by
Department of the Army Corps of Engineers Engineering District Philadeplhia

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This document contains hydrostatic calculations for an excavator barge. The hydrostatic calculations provide vessel properties including displacement, longitudinal center of buoyancy, vertical center of buoyancy, weight per inch of immersion, and metacentric heights for the excavator barge at various drafts from 3'6" to 7'3". The calculations also include curves of form showing volume, block coefficient, prismatic coefficients, and other vessel geometry properties at incremental drafts. The related federal contract opportunity is solicitation number W912BU-23-B-0024 from the Department of the Army Corps of Engineers Engineering District Philadelphia to acquire an excavator barge, as detailed in the hydrostatic calculations.

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REV. DATE APRD.

- 11/5/2021

DR. BY DES. BY CHK'D BY

MDE MDC

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

DATE

SHEET: COVER

REVISIONS

DESCRIPTION

ORIGINAL ISSUE

MARINE DESIGN CENTER

100 PENN SQUARE EAST

PHILADELPHIA, PA 19107

RECOMMENDED - PROJ ENG.

MARINE DESIGN CENTER

CORPS OF ENGINEERS

150' x 40' x 9'

PROJECT NO.

HYDROSTATIC CALCULATIONS

DRAWING NO.

DEPARTMENT OF THE ARMY

November 5, 2021

ST. PAUL DISTRICT - EXCAVATOR BARGE

SCALE: AS SHOWN

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

M. D. EAYRE, P.E. NA

-871-B125-01

HYDROSTATICS CALCULATIONS

TABLE OF CONTENTS

ITEM PAGE

INTRODUCTORY NOTES 2

DEFINITIONS 3

TABLE OF HYDROSTATICS 4

CURVES OF FORM 6

INTRODUCTORY NOTES

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.

Notes

The hydrostatic calculations are based on the molded displacement.

The calculations do not account for the shell plating.

The calculations are for fresh water, specific gravity 1.000

The calculations assume no trim and no heel.

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

All length units, unless noted, are in feet-inch.

The “f” and “a” suffixes to the table values indicate positions forward or aft of midships.

871-B125-01 Page 2

DEFINITIONS

BPL: Baseplane, the horizontal plane of the bottom of the vessel.

KML: Distance in feet from the BPL to the longitudinal metacenter.

KMT: Distance in feet from the BPL to the transverse metacenter.

LCF: Longitudinal Center of Flotation, in feet from midships.

LCB: Longitudinal Center of Buoyancy, in feet from midships.

Midships: The longitudinal center of the Vessel.

Moment / In Trim: The moment required to trim the vessel by one inch.

Trim: The difference between drafts at the forward and aft ends of the vessel.

VCB: Vertical Center of Buoyancy, in feet above the baseplane.

Weight / Inch: The amount of weight required to sink the vessel by one inch.

Cb Block Coefficient.

Cp Prismatic Coefficient.

Cf Waterplane Coefficient.

871-B125-01 Page 3

11/05/21 00:00:37 U.S. Army Corps of Engineers

GHS 17.58 CEMVP EXCAVATOR BARGE 3218

HYDROSTATIC PROPERTIES

No Trim, No Heel, Fixed VCG = 0.00

LCF Displacement Buoyancy-Ctr. Weight/ Moment/ Draft----Weight(LT)----LCB-----VCB-----Inch-----LCF---In trim----KML-----KMT

3' 6 529.67 3.90a 1.76 12.68 3.84a 157.65 535.8 43.33 3' 7 542.34 3.89a 1.80 12.68 3.84a 157.67 523.3 42.40 3' 8 555.02 3.89a 1.84 12.68 3.84a 157.70 511.4 41.52 3' 9 567.70 3.89a 1.88 12.68 3.84a 157.73 500.1 40.67 3'10 580.38 3.89a 1.92 12.68 3.84a 157.75 489.3 39.87 3'11 593.06 3.89a 1.97 12.68 3.84a 157.78 478.9 39.10 4' 0 605.74 3.89a 2.01 12.68 3.84a 157.81 468.9 38.36 4' 1 618.41 3.89a 2.05 12.68 3.84a 157.84 459.4 37.66 4' 2 631.09 3.89a 2.09 12.68 3.84a 157.87 450.3 36.99 4' 3 643.77 3.89a 2.13 12.68 3.84a 157.90 441.5 36.34 4' 4 656.45 3.89a 2.18 12.68 3.84a 157.93 433.0 35.72 4' 5 669.13 3.88a 2.22 12.68 3.84a 157.96 424.9 35.13 4' 6 681.81 3.88a 2.26 12.68 3.84a 157.99 417.1 34.56 4' 7 694.48 3.88a 2.30 12.68 3.84a 158.02 409.6 34.01 4' 8 707.16 3.88a 2.34 12.68 3.84a 158.05 402.3 33.48 4' 9 719.84 3.88a 2.38 12.68 3.84a 158.09 395.3 32.97 4'10 732.52 3.88a 2.43 12.68 3.84a 158.12 388.5 32.49 4'11 745.20 3.88a 2.47 12.68 3.84a 158.15 382.0 32.02 5' 0 757.88 3.88a 2.51 12.68 3.84a 158.19 375.7 31.56 5' 1 770.55 3.88a 2.55 12.68 3.84a 158.22 369.6 31.13 5' 2 783.23 3.88a 2.59 12.68 3.84a 158.26 363.7 30.71 5' 3 795.91 3.88a 2.63 12.68 3.84a 158.30 358.0 30.30 5' 4 808.59 3.88a 2.68 12.68 3.84a 158.33 352.5 29.91 5' 5 821.23 3.88a 2.72 12.41 4.82a 154.19 338.0 29.43 5' 6 833.64 3.89a 2.76 12.41 4.82a 154.22 333.0 29.07 5' 7 846.05 3.91a 2.80 12.41 4.82a 154.26 328.2 28.72 5' 8 858.46 3.92a 2.84 12.41 4.82a 154.30 323.5 28.39 5' 9 870.86 3.93a 2.88 12.41 4.82a 154.34 319.0 28.07 5'10 883.27 3.94a 2.92 12.41 4.82a 154.38 314.6 27.75 5'11 895.68 3.96a 2.96 12.41 4.82a 154.42 310.3 27.45 6' 0 908.08 3.97a 3.00 12.41 4.82a 154.46 306.2 27.16 6' 1 920.49 3.98a 3.04 12.41 4.82a 154.50 302.1 26.87 6' 2 932.90 3.99a 3.08 12.41 4.82a 154.55 298.2 26.60 6' 3 945.31 4.00a 3.13 12.41 4.82a 154.59 294.4 26.33 6' 4 957.71 4.01a 3.17 12.41 4.82a 154.63 290.6 26.07 6' 5 970.12 4.02a 3.21 12.41 4.82a 154.68 287.0 25.82 6' 6 982.53 4.03a 3.25 12.41 4.82a 154.72 283.4 25.57 6' 7 994.94 4.04a 3.29 12.41 4.82a 154.77 280.0 25.34 6' 8 1,007.34 4.05a 3.33 12.41 4.82a 154.81 276.6 25.11 6' 9 1,019.75 4.06a 3.37 12.41 4.82a 154.86 273.3 24.88 6'10 1,032.16 4.07a 3.41 12.41 4.82a 154.90 270.1 24.66 6'11 1,044.57 4.08a 3.45 12.41 4.82a 154.95 267.0 24.45 7' 0 1,056.97 4.09a 3.50 12.41 4.82a 155.00 264.0 24.25 7' 1 1,069.38 4.10a 3.54 12.32 4.34a 152.27 256.3 24.01 7' 2 1,081.70 4.10a 3.58 12.32 4.34a 152.32 253.5 23.82 7' 3 1,094.02 4.10a 3.62 12.32 4.34a 152.37 250.7 23.63 Distances in FEET.-------Specific Gravity = 1.000.-----------Moment in Ft-LT.

Trim is per 150.00Ft Draft is from Baseline.

871-B125-01 Page 4

H Y D R O S T A T I C

P R O P E R T I E S a t

L E V E L

T R I M

Baseline Draft

A f t

L C B L C F

S c a l e

F T

F w d

G e n e r a l

S c a l e

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

L T

L C B u s e t o p s c a l e

V C B

K B

F T

I m m e r s i o n

L T I N

W P A

S q F T

L C F u s e t o p s c a l e

M o m e n t T r i m

F T L T I N

K M L

F T

K M T

F T

S p e c i f i c

G r a v i t y

A s s u m e d

K G

F T

T r i m i s p e r

F T

K

B a s e l i n e

871-B125-01 Page 5

CURVES OF FORM

HULL.C Component of Part HULL

Trim: zero Heel: zero Ref Pt Volume Block Displ/ WaterPl MaxSect PrismaticCoefs Depth-----(Cu Ft)----Coef---Length----Coef----Coef----Long----Vert 3' 6 20892 0.995 176.8 1.000 0.997 0.998 0.995 3' 7 21392 0.995 181.1 1.000 0.997 0.998 0.995 3' 8 21892 0.995 185.3 1.000 0.997 0.998 0.995 3' 9 22392 0.995 189.5 1.000 0.997 0.998 0.995 3'10 22891 0.995 193.8 1.000 0.997 0.998 0.996 3'11 23391 0.995 198.0 1.000 0.997 0.998 0.996 4' 0 23891 0.995 202.2 1.000 0.997 0.998 0.996 4' 1 24391 0.996 206.4 1.000 0.997 0.998 0.996 4' 2 24891 0.996 210.7 1.000 0.997 0.998 0.996 4' 3 25391 0.996 214.9 1.000 0.997 0.998 0.996 4' 4 25890 0.996 219.1 1.000 0.997 0.998 0.996 4' 5 26390 0.996 223.4 1.000 0.998 0.998 0.996 4' 6 26890 0.996 227.6 1.000 0.998 0.998 0.996 4' 7 27390 0.996 231.8 1.000 0.998 0.998 0.996 4' 8 27890 0.996 236.1 1.000 0.998 0.998 0.996 4' 9 28390 0.996 240.3 1.000 0.998 0.998 0.996 4'10 28890 0.996 244.5 1.000 0.998 0.998 0.997 4'11 29389 0.996 248.8 1.000 0.998 0.998 0.997 5' 0 29889 0.996 253.0 1.000 0.998 0.998 0.997 5' 1 30389 0.996 257.2 1.000 0.998 0.999 0.997 5' 2 30889 0.996 261.4 1.000 0.998 0.999 0.997 5' 3 31389 0.996 265.7 1.000 0.998 0.999 0.997 5' 4 31889 0.997 269.9 1.000 0.998 0.999 0.997 5' 5 32388 0.997 274.1 1.000 0.998 0.999 0.997 5' 6 32888 0.997 278.4 1.000 0.998 0.999 0.997 5' 7 33388 0.997 282.6 1.000 0.998 0.999 0.997 5' 8 33888 0.997 286.8 1.000 0.998 0.999 0.997 5' 9 34388 0.997 291.1 1.000 0.998 0.999 0.997 5'10 34888 0.997 295.3 1.000 0.998 0.999 0.997 5'11 35388 0.997 299.5 1.000 0.998 0.999 0.997 6' 0 35887 0.997 303.8 1.000 0.998 0.999 0.997 6' 1 36387 0.997 308.0 1.000 0.998 0.999 0.997 6' 2 36887 0.997 312.2 1.000 0.998 0.999 0.997 6' 3 37387 0.997 316.4 1.000 0.998 0.999 0.997 6' 4 37887 0.997 320.7 1.000 0.998 0.999 0.997 6' 5 38387 0.997 324.9 1.000 0.998 0.999 0.997 6' 6 38886 0.997 329.1 1.000 0.998 0.999 0.997 6' 7 39386 0.997 333.4 1.000 0.998 0.999 0.997 6' 8 39886 0.997 337.6 1.000 0.998 0.999 0.997 6' 9 40386 0.997 341.8 1.000 0.998 0.999 0.997 6'10 40886 0.997 346.1 1.000 0.998 0.999 0.998 6'11 41386 0.997 350.3 1.000 0.998 0.999 0.998 7' 0 41886 0.997 354.5 1.000 0.998 0.999 0.998 7' 1 42385 0.997 358.8 0.994 0.998 0.999 1.004 7' 2 42882 0.997 363.0 0.994 0.998 0.999 1.004 7' 3 43379 0.997 367.2 0.994 0.998 0.999 1.004

Distances in FEET.---Length is true waterline.----------------------- HULL Reference Point: Long.= 0.00 Trans.= 0.00 Vert.= 0.00

871-B125-01 Page 6

C U R V E S o f

F O R M

H U L L C

C o m p o n e n t o f

P a r t

H U L L

Depth in FEET

C o e f f i c i e n t

S c a l e

G e n e r a l

S c a l e

5 6

V o l u m e

C U F T

B l o c k

C o e f

D i s p l L e n g t h

R a t i o

W a t e r p l a n e

C o e f

M a x i m u m

S e c t i o n

C o e f

L o n g

P r i s m a t i c

V e r t i c a l

P r i s m a t i c

D e p t h i s r e l a t i v e t o

H U L L

R e f e r e n c e

P o i n t

871-B125-01 Page 7

Sheet1

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