Export the script by creating a test case in TestManager and import in the same in the destination repository. Manually copying the .rec files will not copy the verification points associated with the script.
A highly advanced bug is indistinguishable from a feature.
You can also, enmass, copy a project by creating a new project. Create the new project and initilize the new project with the contents of the existing project. You will need to use Rational administrator.