Essays / My dream University UC Berkley, "Civil Engineering Graduate program" [NEW]

Hello Guys I have been asked to write A Statement of purpose and A Personal history Statement with the following guide lines:

Statement of Purpose

Please describe your aptitude and motivation for graduate study in your area of specialization, including your preparation for this field of study, your academic plans or research interests, and your future career goals. Please be specific about why UC Berkeley would be a good intellectual fit for you.

And I am having trouble collecting My ideas together can somebody give me tips?