Gap in double deck floating tank roof
Gap in double deck floating tank roof
(OP)
Hi,
We manufacture a cold tapping tool used for cutting holes on oil storage tank roof for mounting of tank cleaning nozzles used in automated tank cleaning.
We are developing a new tool that can be used for double deck floating roofs. We are therefore interested in knowing what the maximum gap between the internal and external tank roof can be or what the common gap is. Is there any API or other standard we can find this information?
Thank you in advance!
We manufacture a cold tapping tool used for cutting holes on oil storage tank roof for mounting of tank cleaning nozzles used in automated tank cleaning.
We are developing a new tool that can be used for double deck floating roofs. We are therefore interested in knowing what the maximum gap between the internal and external tank roof can be or what the common gap is. Is there any API or other standard we can find this information?
Thank you in advance!





RE: Gap in double deck floating tank roof
RE: Gap in double deck floating tank roof
Yes we are fully aware about the risk of leaks when cutting a hole on the lower deck. The roof support legs are in maintenance mode and the oil level is in a lower level than the lower deck before the cutting begins. We have furthermore attached a trunk on the lower deck with some gaskets between the trunk and the lower deck.
We develop a fully automated non man entry tank cleaning equipment, you can read more about our process in our homepage www.oreco.com.
Is there any reason why the gap varies between 12” and 36”. Is the gap chosen after some standard or is it calculated after the tank size?.
RE: Gap in double deck floating tank roof