Hi Lutz,
> I want to transfer the archived redo logs from the primary site to the standby site manually
I am sorry, but you may have not mentioned an important fact or i just do not get it right.
What's the purpose of a physical standby database in your scenario, if you want to do all of that stuff manually / by hand? You can just restore the database (in the new data center) and perform a "recover database using backup controlfile until cancel" several times in a row, if you want to do all of it manually. There is no need for a standby database (DG) at all.
However manual tinkering solutions are nothing for enterprise systems, if this is really a large database (and larger begins by several TBs in my usage) with a corresponding high amount of redo and the need of verification before Go-Live.
Regards
Stefan