For previous designs, I've used the Hydraulic Method and have spreadsheets already set up to assist me. But it seems that the pipe schedule design is a quicker, cook book design approach. One advantage of the Hydraulic method is that the water demand typically appears to be smaller (i.e. lower flow rate).
The zodiac sign for September 6 is Virgo. Astrological symbol: Maiden. The sign of the Maiden influences people born between August 23 and September 22, when in tropical astrology the Sun is considered to be in Virgo. It represents the virgin lady who is fertile and wise.
If you are born between the 16th or 17th to the 23rd July makes you a Cancer - Leo cusp baby. In your case the water sign of Cancer certainly does not put out the Leo fire but rather cools it just a little, and temper the exuberance of Leo.