2016-02-02 1400 burgan oil tank farm monitoring
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8/19/2019 2016-02-02 1400 Burgan Oil Tank Farm Monitoring
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Monitoring Report for NewFuel Storage Terminal (CT)
Revision Prepared by Checked by Date Revision Notes
0.0 Kamil Sieminski Paul Thurlow 02/02/2016
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Contents
1. Vibration Monitoring 3
2. 3D Prism Monitoring 9
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1. Vibration monitoring
Vibration has been measured on site by six V12 sensors tethered to two C400 logger boxes andby three C12 self-contained (mobile) sensors. Layout of the sensors and current values (as of 02/02/2016 14:00) has been shown on the picture below.
Results have been shown on below graphs. Some sensors were switched off for a period of time while other ones may have been knocked. Exact timings of spikes should enable the clientto pinpoint true events from false alarms should this happen.
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2. 3D prism monitoring
31 prisms have been installed on tanks inside FFS site. Further 9 control prisms outside of Zoneof Influence (ZoI) provide reference for Automatic Total Station installed on the top of tank 13.The layout of the prisms has been shown below.
Results have been shown on below graphs.
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Most of the tanks movement is close to +/-2 mm since base readings have been taken which isclose to measurement accuracy. Some inevitable spikes may occur due to high winds but inmost cases can be ignored provided the values come back to previous ones in the nextmeasurement cycles.
Some tanks have been showing horizontal or vertical movement (e.g. tank 4 have beenshowing movement by 5mm eastwards and 4 mm settlement; tank 1 – settlement of 6-7 mm).Those movements should be treated as real movements. Some other tanks are still close to“zero movement” which confirms above statement. It is to be determined on site what thereason for the movement is as it may be linked to fluid levels within the tanks or some other siteactivities.