The arrival of spring is often taken as a sign that it’s time to clean your house from top to bottom. The same idea holds true for CIOs and their IT environment. You probably have lots of good housekeeping tasks filed away in your “someday” folder, like rationalizing your applications or getting your power costs under control. Now is as good a time as any to get a jump on your spring cleaning. Here are 11 tips from CIOs for tasks you should undertake to clean up your IT department and organization.