RV Park Restroom/Shower/Laundry Facility

I'm looking to create a minimalist restroom, shower, and laundry facility for our RV park that also must serve as tornado shelter. The facility should serve all three purposes, and I have a general plan already. Ideal Skills and Experience: - Experience in designing multi-use facilities - Strong understanding of minimalist design principles - Previous work on similar projects - Ability to create detailed project proposals Please include in your proposal: - Past work - Relevant experience - A detailed project proposal