Believe it or not, there is a law that might possibly apply. If you are prepared to engage a lawyer and spend money, you maybe want to try it ?
The law is a Civil law :
Wrongful Act in the Civil and Commercial law of Thailand, any act that will damage the rights of another, unless it is done in the exercise of another equal or superior right. Wrongful acts is not limited to illegal acts, but includes acts that are immoral, anti social, or libel to result in a civil suit.
TITLE V
WRONGFUL ACTS
CHAPTER I
LIABILITY FOR WRONGFUL ACTS
table of contents
Section 420. A person who, willfully or negligently, unlawfully injures the life, body, health, liberty, property or any right of another person, is said to commit a wrongful act and is bound to make compensation therefore
Good luck. Maybe try a "class action" with other affected condo residents ?