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In compliance with the requirement of the Concession Agreement, it is necessary that slopes be assessed and rehabilitated accordingly, to mitigate any negative impact on the safety of the motoring public. Consequently, this project is for the construction of a retaining wall from the existing one, to stabilize loose surface material at the base of the slope. 

To stabilize slope surface with mortar rubble treatment; and to stabilize loose surface areas by utilizing rock anchoring and underpinning at the areas KMP 49+350-800 Northbound.