Establish the baseline water model for the STEM building with the information given below to determine the total annual potable water use. $(8$ points$)$

The STEM building has the total design occupant load of $2,516,$ and assuming that all of them are students $($transient visitors$)$ with an even gender distribution.$$

Annual workdays: $260$ for spring and fall semesters$$

The plumbing fixtures to be considered in the calculation include$$

Water closets $$ Meet EPAct $1992$

Urinals $$ Meet EPAct $1992$

Lavatory Faucets $$ Meet EPAct $1992$ with $15$ sec duration$$