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IMO MODEL COURSE,

7.03

OFFICER IN CHARGE OF A

NAVIGATIONAL WATCH

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FUNCTION

1 NAVIGATION

2 CARGO HANDLING

3 CONTROLING

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2. CARGO HANDLING

2.1 MONITOR THE LOADING, STOWAGE,SECURING AND UNLOADING CARGOES

AND THEIR CARE DURING THE VOYAGE

2.1.1THE EFFECT OF CARGO, INCLUDING HEAVY LIFTSON THE SEA-WORTHINESS AND STABILITY OFTHE SHIP

2.1.2 SAFE HANDLING, STOWAGE AND SECURING OFCARGOES

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2.1.1 THE EFFECT OF CARGO, INCLUDING HEAVY

LIFTS ON THE SEA-WORTHINESS ANDSTABILITY OF THE SHIP

1 DRAUGHT TRIM AND STABILITY

2 SECURING CARGOES

3 DECK CARGOES

4 CONTAINER CARGOES

5 BULK CARGO

6 BULK GRAIN CARGO

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SAFE HANDLING, STOWAGE AND

SECURING OF CARGOES

2.1.2

1 CARGO CARE

2 DANGEROUS, HAZARDOUS AND HARMFUL CARGO

3 CARGO HANDLING EQUIPMENT AND SAFETY

4 OIL TANKER PIPING AND PUMPING ARRANGEMENTS

5 PRECAUTIONS BEFORE ENTERING ENCLOSEDOR CONTAMINATED SPACES

CARGO CALCULATIONS AND CARGO PLANS6

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2.1.1.1 DRAUGHT, TRIM AND STABILITY

CLASS TOPICS

READING DRAUGHT

USE OF HYDROSTATIC TABLE

DRAFT CORRECTION

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READING DRAUGHT

8 M

8

6

42

7 M

2READ 8 Mtr

10 Cm

10 Cm

READ 7.75 Mtr

20 Cm

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READING DRAFT

XII

XI

XIX 6

12 = 1

Read 11 09

Read 12 03

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LBP = 85.24 m

81.76Draft Mark

0.48 m3.00 m

AP FP

Df =0.48 m

81.76 m

x Trim

Da =3.00 m

81.76 mx Trim

COORECTION DRAFT

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Apparent trim in meter (-) if by ahead ; (+) if by astern

Contoh F = 3.00 m A = 5.00 m

T = 2.00 m by astern

Df =

Da =

0.00587 x 2.0 = 0.011 m

0.03667 x 2.0 = 0.073 m

DF = 3.000.011 = 2.989 m

DA = 5.00 + 0.073 = 5.073 m

Mean Draft = 2.989 + 5.073

2= 4.031 m

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HYDROSTATIC TABEL

EXT

DRAUGHT

DISPL

TONNES

TPC

TONNES

MCT

TONNES

LCB

mtr

LCF

mtr

KM

mtr

4.000 4322.3 11.17 52.50 44.84 44.20 6.879

4.020 4344.7 11.18 52.60 44.84 44.18 8.868

4.040 4367.0 11.19 52.70 44.84 44.17 6.859

4.060 4389.4 11.19 52.79 44.84 44.15 6.849

4.O31 4357.0 11.18 52.65 44.84 44.18 8.873

4357.0DISPL =Mean Draft Corr =

(LBP/2LCF) x CT

LBP

Mean Draft Corr = (85.24/244.18) x 2.084

85.24= - 0.038 m

Displ Corrn = -3.8 cm x 11.18 = - 42.48 tons

Finally Displ = 4357.042.48 = 4314.5 tons