We would like to suggest as follows.

1. There is Building Control Act which include the regulations of fire and security control for the buildings as this web link. http://www.dpt.go.th/wan/lawdpt/data/02/129_112a_301155.pdf(Thai language)
2. Building Control Bureau, the Department of Public Works and Town & Country Planning (DPT), the Ministry of Interior.

Contact of DPT:http://office.dpt.go.th/contactdpt/address.php

Source : Department of Public Works and Town & Country Planning:http://www.dpt.go.th

Information as of June 2014