This Assignment is related to sanitary design. It requires knowledge in hydraulics and wastewater treatment. For problem 10, I have attached an article about the diurnal flow royal wedding flow pattrn. As for drawings, they can be done by hand.
Assignment: http://rapidshare.com/files/ XXXXXXXXXX/Assignment.pdf
Article:
http://rapidshare.com/files/ XXXXXXXXXX/Article%20-%20Diurnal%20Flow%20Royal%20Wedding%20Flow%20Pattern.pdf