blueprint of a modern multi-floor apartment building featuring elevator shafts and floor plans

modern apartment building mulchfloor layouts apartmentconfigurations stairways elevator shafts design specifications architecture floorplans residential structure buildingdesign livingspace floorlayout apartmentdesign buildingplans floorconfiguration residentialbuilding spaceplanning elevatorplacement apartmentlayouts technicaldrawing functional moderndesign stairlayout residentialplans apartmentfacilities floordesign buildingstructure mulchunit spaceefficiency constructionplans modernresidential buildingspecifications floor plandesign architecturedrawing residentialarchitecture