Ministerial Regulation Prescribing Protection Measures against Collapse of Soil and Structures in the Course of Land Excavation and Fill, B.E. 2548 (2005).

This Ministerial Regulation is formulated in accordance wth the provisions of the Land Excavation and Fill Act B.E. 2543 (2000). The Ministerial Regulation emphasizes protection measures against the collapse of soil or structures, and protection and safety measures for workers and third persons during land excavation and filling activities.
Supervisors are responsible for periodic stability checks and soil pit maintenance to prevent collapses, ensuring ongoing safety throughout the project.