Thailand's Industrial Estate Authority (IEAT) has elevated maximum flood alert status for industrial zones during heavy rains forecast for 23–27 September. Bang Pu Industrial Estate has activated full pumping capacity at 100,000 m³/hour and completed 5.65 km of protective dikes (+1.9 m height); Ayutthaya zones (Nakhon Luang, Bang Pa-in, Ban Wua High-Tech) have deployed barrier systems with dike heights 8.20–5.40 m above mean sea level. All zones are implementing 8-point flood prevention measures, emergency power backup, and round-the-clock monitoring to ensure business continuity for key manufacturers and investors.