Hold Cleanliness Survey

Posted on February 28, 2012 by Surveyors

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 cleanliness survey. The hold cleanliness survey is conducted to ensure the cargo hold condition before loading by inspected whether the hold is ready to load the nominated cargo or not.

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Software: Bunker Survey and Petroleum Calculation

Posted on November 23, 2011 by Surveyors

I have added some trial software for your survey references relate to oil calculation. The software are:

1. 7s-BunkerCal (trial software) – Password : 123456
A Bunker Tank Sounding calculation program. Bunker survey calculation for tank sounding report based on Astm Table 54B .
Download available at http://www.box.com/s/xec50bv5mzrln1q0cra1

2. 7s-OilCal-T6.T54 (trial software) – Password : 123456
A Petroleum calculation program. For shipboard survey with calculation and ullage report based on Astm Table 6 and Table 54. Actually the T6 and T54 are in separate software, but I have combine it to save time. The calculation is used for crude oil survey.
Download available at http://www.box.com/s/t4q8rk70vc3yqdulqajq
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Petroleum Calculation Series: Shipboard

Posted on November 18, 2011 by Surveyors

Before reading this post, it is suggested to read the previous post – Petroleum Calculation Series: Definition – to become familiar with abbreviation and terms.

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 ullage
- Free water dip (FW)
- Oil temperature (C or F)
- Oil density or API
- BS&W volume in % (as per analysis result)
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