Wyndham Grand Batumi Gonio. Aqua1. Diamond drilling for engineering openings, the 18th – 20th floors. Layout and drilling are underway, necessary for future hotel utility installations. 2. Facade work, the 13th, 14th floors. This includes the installation of facade elements on balconies. 3. Installation of the stained glass, the 2nd , 11th -13th floors. Installation of 60 glass panes. Ensures light transmission, as well as thermal and sound insulation for hotel rooms. 4. Floor screeding on balconies, 12th -13th floors. 5. Installation of drywall frames for internal partitions, the 11th –18th floors. Thus provides a strong and stable foundation for wall construction, including framing and cladding.