Detailed information about Heat exchanger Cleaning

[Hagedoorn]

Hello all,

I am currently working on a cleaning database (cost and time database) for Pipe/Shell Heat Exchangers.
Does
Does anybody have some information for me?

i am looking for information on what kind of equipment is used to clean and what time does it take to clean an bundle for example.
We are using pollution degrees to indicate the amount of pollution in the tubes and have 3 categories. light, middle and heavy pollution.

Maybe has someone information for me.

Thanks

Raymond Hagedoorn
Cost Engineer