<p>Perhaps [this</a> web site](<a href=“http://registrar.berkeley.edu/current_students/registration_enrollment/canwd.html]this”>http://registrar.berkeley.edu/current_students/registration_enrollment/canwd.html) may help you?</p>
<p>Summer sessions at Berkeley are about half the length of semesters, so a given course will be about twice as much work per week compared to the same course in a fall or spring semester (and a normal course load in the summer is about half what a normal course load in a fall or spring semester is).</p>