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 14th -15th floors. This includes the installation of facade elements on balconies. 3. Installation of plumbing and sewage systems. The installation of the sewerage system on the 12th a and 14th floors is in progress. 4. Installation of decorative steel columns, floor 10th. The columns are being fabricated and installed. 5. Floor screeding on balconies, 12th -13th floors. The installation of drywall frames for interior partitions is underway on the 11th – 18th floors.