Construction and Real Estate Projects Design Akay Neris Residence Apartment by Deniz Ceyhun Baykan Akay Neris Residences design aim is sustainable and ecological design concept. We used photo-voltaic energy panels on all of the rooftop areas and suitable facade surfaces. Sustainable design concept includes the waste water refinement for all grey and black water in this project. We aim to use refinement clear water on landscaping irrigation system. Along with that this system combined with rain water accumulation system.