The ZAKOS SHIP TOOLS CALCULATION is a fourth generation Integrated software package for the Cargo calculation of a Tanker / Cargo Ship. The package is a menu driven and does not require any previous experience on the use of computers. The ZAKOS OIL CALCULATION has been designed and is ideally suited to assist Surveyors Ship’s Officers for the Cargo / Bunker calculation of a Tanker / Cargo Ship.

2 2. FUNCTIONS : From the Main Screen move the mouse pointer at any ( Calculation Icon ) or ( Functions Buttons ) to make selection then click

Below we describe the program execution for the 6 ( Calculations ).

3 TANKER SHIP : Click the Tanker Calculation icon and the following Window Screen will appear:

Procedure :

1. Select ASTM table from Table List e.g. T- 6Α 2. Type Gravity e.g. API = 30.25 3. Type Temperature e.g. °F = 78.3 4. Type T.O.V. e.g. Bbls = 25500 5. Type F.W. e.g. Bbls = 20

Click for Factors calculation

Click to calculate GOV, VCF, GSV, WCF, MT in air

Click to clear the calculation

Click to view the Demo Example

Click to terminate the program and exit to Main Screen The procedure described above will be carried out so many times as you wish. The following ASTM Tables are : 5AB, 6AB, 23AB, 24AB, 53AB, 54AB & D Note : For Tables 5AB, 6AB use API 60F for Gravity, °F for Temp., Bbls for Volume For Tables 23AB, 24AB use R.D 60F for Gravity, °F for Temp., Bbls for Volume For Tables 53AB, 54AB use DENS 15C for Gravity, °C for Temp., m3 for Volume

4 L.P.G. SHIP: Click the LPG Calculation icon and the following Window Screen will appear:

Procedure :

Select Lpg Cargo name from the Table List e.g. Light Hydrocarbon Type Gravity e.g. Density (vacuo) = 0.511 Type Liquid Temperature e.g. °C = -43.0 Type Vapour Temperature e.g. °C = -37.0 Type Vapour Pressure e.g. Bar = 0.049 Type Molecul Weight e.g. kg/kmol = 44.100 Type Total Volume (100%) e.g. m3 = 9727.360 Type Corr’d Volume e.g. m3 = 5455.850 Type Tank Shrinkage Factor e.g. = 0.97567 Type Liquid Shrinkage Factor e.g. = 0.99654

Click for Factors calculation

Click to calculate Liquid, Vapour Phases, VCF, WCF, MT in air

Click to clear the calculation

Click to view the Demo Example

Click to terminate the program and exit to Main Screen The procedure described above will be carried out so many times as you wish. The following ASTM Table is used : T-54 Allowable values for Density ( 0.500 to 0.655 ) and for Temp ( -46°C to +75°C )

5 CHEMICAL SHIP: Click the Chemical Calculation icon and the following Window Screen will appear:

Procedure :

Select Chemical Cargo name from the Table List ή Type Gravity e.g. Density (vacuo) = 1.1172 Type Temperature e.g. °C = 20.3 Type Dens. Corr’n Factor for 1°C e.g. °C = 0.007 Type Ref. Base Temperature e.g. °C = 15.0 Type TOV e.g. m3 = 441.352 Type OBQ e.g. m3 = 0 Type FW e.g. m3 = 0

Click for Factors calculation

Click to calculate GOV, VCF, Density at Obs.Temp., MT in air

Click to clear the calculation

Click to view the Demo Example

Click to terminate the program and exit to Main Screen The procedure described above will be carried out so many times as you wish. The Chemical Cargoes which are listed in the table is only for symbolical purpose..

6 LNG SHIP: Click the LNG Calculation icon and the following Window Screen will appear:

Procedure :

Select Operation Mode from the Table List e.g. Loading ή Unloading Type Volume e.g. ( m3) = 122413.000 Type Temperature (-150 - -170 ) e.g. °C = -160.4

At the Table and on the column (Molar Fraction ) :

Type the Molar Fraction of each Component. Must type the ( 11 ) Component even with zero value So, when all Molar Fraction are completed then Density, Weight και BTU will be calculated automaticaly.

Click to clear the calculation

Click for Factors calculation

Click for Help

Click to view the Demo Example

Click to terminate the program and exit to Main Screen The procedure described above will be carried out so many times as you wish. The example which is shown is only for symbolical purpose.

7 The Screen shown below is the continuation of the LNG calculation

8 BUNKER VOYAGE CALCULATION : Click the Bunker Voy.Calculation icon and the following Window Screen will appear:

Procedure :

Type Ship Data fields Type Edit Voyage Data Table Type Distances in Voyage Calculation Table Type FO/DO in Receive Bunkers at Each leg Table

Click to clear the calculation

Click to Print

Click to view the Demo Example

Click to terminate the program and exit to Main Screen The procedure described above will be carried out so many times as you wish.

9 CARGO DRAFT SURVEY CALCULATION : Click the Cargo Draft SurveyCalculation icon and the following Window Screen will appear:

Procedure 1 :

Click this button in order to select/type ship’s info

Select Ship’s Draft Units Select Ship’s Weight Units Select Ship’s LCG Calc. position Select Ship’s P/P Correction mode

Type Light Ship Weight Type Ship’s LBP

For P/P Correction :

Select Ship’s Draft Marks position Type Draft Marks Distance

When finished the above then

Click this button where the following Window Screen will appear:

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Procedure 2 :

Type Drafts FWD/MID/AFT Port/Sbtd When all Draft fields completed and the Mean of Means displayed then

Click this button where the following Window Screen will appear:

Procedure 2 :

Start typing all fields for Drafts, Displ. TPC, LCF, MTC from Ship’s Hydrostatic Table When completed click the button [ Apply Interpolations ] then

Click this button where the following Window Screen will appear:

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Procedure 3 :

Type Drafts Dock Density Type Previous Displacement ( if this one is your Final Draft Survey ) Type FO/DO/FW etc.

When all fields completedthen then

Click this button where the following Window Screen will appear:

Click this button to Print

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Click this button where the following Window Screen will appear:

Use Up / Down Arrow to read the help instructions

Example buttons Click Metric for Metrc units Draft Survey Example Click Ft.inch for Imperial units Draft Survey Example

Click to clear the Draft Survey calculation

Click to terminate the program and exit to Main Screen

13 STOWAGE FACTOR CONVERSION :

Click this button and the following Window Screen will appear:

Procedure : Select Stowage Factor from Table List e.g. Ft3 / LT Type the Stowage Factor e.g. 45

Click for Factors calculation

Click to clear the calculation

Click to terminate the program and exit to Main Screen The procedure described above will be carried out so many times as you wish.

14 UNIT CONVERSION :

Click this button and the following Window Screen will appear:

Procedure for Unit Conversion : Select Conversion Mode one of the 6 selection of the Select Conversions clicking the appropriate button e.g. in this example we selected Length. Start typying the Unit value in the column METERS Input . Moving the cursor at that cell column METERS Input with a Very Light Blue color and start typying the Unit value. Then, move the cursor to another cell in order the Results will be displayed. The procedure described above will be carried out so many times as you wish.

15 AVERAGE GRAV / TEMP :

Click this button and the following Window Screen will appear:

Procedure : Select Average Mode one of the 3 selection of the Select Average clicking the appropriate button e.g. in this example we selected API 60F. Start typying the columns ( Volume & Gravity API 60F ) and the API Average will be displayed. The procedure described above will be carried out so many times as you wish ( 1 to 40 ).

Επιλεξτε υπολογισμο Average π.χ. API 60F

16 CALCULATOR :

Click this button and the following Window Screen will appear:

Calculator Procedure : Click each button number you wish e.g. 12029.182 m3 Click button numbers 1, 2, 0, 2, 9, ., 1, 8, 2 then click the button m3/Bbls and the result will be displayed. The procedure described above will be carried out so many times as you wish. NOTE :

We offer to write similar programs for a fee, for any Cargo /Tanker operator/ Owner who may get in touch with us by e-mail for a sample program at :

for more Informations : KOSTAS ZACHAROPOULOS Phone : +30 210 513 7931 E-mail cptzakos@otenet.gr