What is the best design solution for a doorway width in a place of worship in order to safely exit an occupant load of $1200$ people $?$ Assume the faith practices $$standing while praying$$ no seat and with $0\mathrm{.}40$ m$2/$ person. Refer OBC $3\mathrm{.}4\mathrm{.}3\mathrm{.}2.$ Exit Width. $($Hint: Assume $6\mathrm{.}1$ mm $/$ person for a doorway width calculations$).$

Question $3$ options:

$8$ exits each with $815$mm doorway widths

$4$ exits each with $1830$mm doorway widths

$8$ exits each with $480$mm doorway widths

Provide a total of $2928$mm of a doorway width