$($Assume any missing data$)$

Q$1.$ You need to design a cold$-$water system for the building shown below. The building has two levels $($ground and first$)$ and $18$ apartments. Each apartment has only one bathroom, including a lavatory, shower and water closet $($tank type$)$ and one kitchen with only one kitchen sink. The street line pressure is $40$ psi $,$ the height is $20$ ft to a fixture in the first level, and the pressure loss in the water meter is $5$ft$.$ Fitting loss is $\backslash (25\backslash \%\backslash ).$ Note: every valve is a symbol for one apartment. $(12$ marks$)$