～うえで after having

「まず～してから」
After first doing one thing, another action based on the first will occur. Verbs of volition precede or follow うえで.

（１）詳しいことはお目にかかった上で、説明いたします。
After you have cast your eyes over them, I'll explain the detailed matters.

（２）申込書の書き方をよく読んだ上で、記入してください。
Afer you have properly read how to complete the application form, please complete it.

（３）どの大学を受験するか、両親との相談の上で、決めます。
As to which University you will take the exam, after you have discussed with your parents you can decide.

（４）これは一晩考えた上での決心だから、気持ちが変わることはない。
This is a decision I have made after thinking overnight so I am not going to change my feelings.