Cargo: Definition and Terminology
May22

Cargo: Definition and Terminology

Air draught – means the vertical distance from the surface of the water to the highest point of the ship’s mast or aerial. Bale space capacity – is that cubic capacity of a cargo space when the breadth is measured from the inside of the cargo battens (spar ceiling) and the measured depth is from the wood tank top ceiling to the underside of the deck beams. The length is measured from the inside of the fore and aft bulkhead stiffeners....

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Basic Calculation for Surveyor
Sep04

Basic Calculation for Surveyor

After reviewing some comments on the posts, I decided to write this post. Flash back, this post is explains several basic calculation that usually use by marine cargo ship surveyor to complete their jobs. I think this will be usable for beginner. Vessel Trim Calculation Trim is different between aft draft and forward draft of the vessel. Trim = Draft Aft (DA) – Draft Fore (DF) Example : DF: 5.40 M, and DA: 7.25 M Trim...

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Hold Cleanliness Survey
Feb28

Hold Cleanliness Survey

Hi marine cargo surveyor. :). It was about three months with no posting, as I have faced busy days. Previously, we have discussed topics about Draft survey : Terms of Conduct, Draft Survey : Procedures and Calculation, Draft Survey : Specimen of Calculation, How To Conduct Bunker Survey, and Bunker Survey Calculation. Appreciated every feedbacks and comments around the posts. In this posts, I will generally introduce about cargo hold...

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Software: Bunker Survey and Petroleum Calculation
Nov23

Software: Bunker Survey and Petroleum Calculation

I have added some software relate to oil calculation. The software are: 1. BunkerCal A Bunker Tank Sounding calculation program. Bunker survey calculation for tank sounding report based on ASTM Table 54B . Follow this link to know more http://www.sevensurveyor.com/software/surveysoft-marine-surveyor-software/ 2. OilCal A Petroleum calculation program. For shipboard survey with calculation and ullage report based on ASTM Table 6A, 6B,...

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Petroleum Calculation Series: Shipboard
Nov18

Petroleum Calculation Series: Shipboard

The shipboard loading survey is conduted to get the quantity loaded onboard the vessel with measurement of cargo tank. The sounding or ullaging are performed to obtain the level of oil and free water on each tank. The obtained oil level data were calculated by using ship tank table to get TOV and total free water. Data required for Crude Oil Survey: – Tank Number – Tank Reference Height – Dip innage (sounding) or...

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