Tunneling Works for Davao City Bypass Road as of July 2021
The tunneling works for Davao City Bypass Road just started this month. Here’s the latest update of the two 2.3-kilometer tunnels. Have you seen the project lately?
The Department of Public Works and Highways (DPWH) is about to roll out the construction of two (2) 2.3-kilometer tunnels which correspond to the central portion of the Davao City Bypass Construction Project in Southern Mindanao financed by Official Development Assistance (ODA) of the Government of Japan thru Japan International Cooperation Agency (JICA).
Four (4) units of drill jumbo and four (4) units of concrete spraying machine will simultaneously work at the north and south portal to complete the two (2) 2.3 kilometer-long tunnels with a height of 8 meters and a width of 10 meters through the new Austrian tunneling method or sprayed concrete lining method.
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