Culvert is installed at the entrance road to the project area, and because the production hole base area in the same area as the L53-G space L53-G exploration drilling, which has been agreed. Culvert installation, it tube 1, which is enough to drain. However, to confirm the adequacy of culvert installation, then how could cater for drainage. The company's consultants calculated the rainfall runoff along the entrance road to the project area, with details as follows:
การแปล กรุณารอสักครู่..