Tenders Are Invited For Rehabilitation Of National Road N1 Sao GuadalupebProject Name Sao Tome E Principe Transport Sector Development And Coastal Protection ProjectThe Work Consists Of The Rehabilitation Of The Nr1 And Includes The Adoption Of Two Different Cross Sections One For Urban And Another For Rural Areas The Standard Profile In Urban Areas Shall Be A 6 0M Wide Carriageway With Two Traffic Lanes One On Each Direction With The Construction Of Sidewalks And Parking Areas The Construction Of 4 Roundabouts Is Also Included In The Works Of This Section For Rural Areas The Profile Will Consist Of A 6 0M Wide Carriageway With Two Traffic Lanes One On Each Direction With Hard Shoulders And 1 0M Wide Concrete Ditches Estimated Volumes Of Works Are Excavation 31 000 00M3Embankment 45 000 00M3Gravel Sub Base Layers 57 000 00M2Gravel Base Layer 99 000 00M2Asphalt Binder Layer 99 000 00M2Asphalt Surface Layer 99 000 00M2Concrete Pavement Blocks For Parking Areas 3 000 00M2Concrete Pavement Blocks For Sidewalks 27 000 00M2Gravel Shoulders 2 800 00MlGutters 4 100 00MlCorrugated Pvc Collectors F400 500 600 800 5 800 00MlHydraulic Crossings Box Culverts 35 0UnRehabilitation Of Bridges 4 0UnReconstruction Of Bridges 1 0UnTriangular Ditch 11 500 00MlMetal Barriers 1 300 00MlConcrete Walls 750 00M3Optic Fiber Infrastructures 14 000 00Ml
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