Hi

First of all, I'm using the German MS Project 2013 version. So I don't know if the words I use about things in MS Project are exactly like I translate them.

My problem, I would like to specify an activity with a start and end date and needed work hours. Duration is not important for me, because the ressource/people can do this activity in this start/end frame when they want. And because it's a private project, work times (8h per day) are also not important, perhaps people do activities in the evening, perhaps during night.

For example I have activity "Project Structure Plan", which will take 10h to complete and can be done between 1.10.14 and 10.10.14.

How can I configure MS Project for this? I tried with automatic/manual activities, activity type "fix duration", "fix work", but nothing works like I want. Everytime MS Project is changing duration, start/end date or work time. Or changes work time if I add another ressource.

Thank you for your help.