I am building a fairly large scale application that runs in the browser, and only on intranets.
It is essentially a website, as in it's still just content viewed in the browser. But it's not a "website" that people visit on the internet, it's something that is used exclusively on corporate intranets. Some of these corporations may have browser restrictions.
Most of the tasks are fairly administrative, a lot of complex forms, tables, notifications.
I am trying to decide if a responsive design should be used in a case like this, or if we should build to a fixed width. We have a captive audience - they don't get to decide if they use this browser-app or not. We want it to be as useful and friendly as possible, but I don't see a good reason to use a fluid/responsive design.
Any thoughts on this? There is a lot of talk about the pros/cons of using a responsive design for a website, but not for a "browser app."