sThe structures shown will drift equally during an earthquake $($i$.$e$.,$ the design level response

displacements are the same. $(sI=sIl=s).$ There is no justification for rational analyses.

Based on this information, what is the minimum required separation between these structures?

Hint: $C_{dl}=4,C_{dll}=4\mathrm{.}5,$ Importance factor is the same for both walls.

A$.$ two times the displacement $s$

B$.$ three times the displacement $s$

C$.$ five times the displacement $s$

D$.$ six times the displacement $s$