Hi Khun Ralf,
I am sincerely sorry about the noise from 19th Floor.
Yesterday, we did laminate table top installation at 1904-1907 and finish already.
Regarding the front desk requested deposit when guest check in due to check in system. Front Desk Talent must to request cash or credit card from guest for guarantee a least at THB 3,000.- indicate expenses (mini bar, laundry service, etc). However, our Front Desk Talent did error to hold 900 USD on my credit card. I informed Front Desk talent to cancel the guarantee.