Which Project Delivery Method do you think is best for a project with the following parameters? Why?

a demolition$/$renovation$/$build$-$out

fitness center $($private business$)$

with pool and sauna

in an existing building

$20,000$ sq$.$ ft$.$

suburban location

"green" technology

no firm budget $-$ owner wants to do the best project with reasonable cost $($i$.$e$.$ to make a profit within a reasonable time$)$