Sw-I: Sc Division: Vkb-Prli Section -Proposed Improvement To Drainage System, Roads And Approach Retaining Wall And Provision Of Height Guage At Rub No 32A In Lieu Of Lc No. 10 At Km.18/12-13 Between Vkb-Sspd Stations Under Aden/Vkb Subdivision Sw-Ii: Sc Division: Vkb-Prli Section -Proposed Improvement To Drainage System, Roads And Approach Retaining Wall And Provision Of Height Guage At Rub No 47A In Lieu Of Lc No. 16 At Km.27/13-14 Between Sspd-Mrf Stations Under Aden/Vkb Subdivision