Wet drilling, Road Construction Project No. ChCh.3001, Junction of Highway 314 - Lat Krabang-On Nut, Chachoengsao and Samut Prakan Provinces (Contract No. 1), Department of Rural Roads, Ministry of Transport. Consulting companies: Epsilon Co., Ltd., MAA Consultant Co., Ltd.
Employer: Greenlight International Co., Ltd.
Bridge bored piles with diameters of 1.20m, 1.00m, 0.80m, and 0.60m.
Specifications for drilling monitoring and sonic rocking test.