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Showing posts from March, 2025

Building a Bituminous Trunk Road Across 76.2 km of Niger State

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The Beji–Jangara–Wushishi Section III contract delivered 76.2 km of trunk road to bituminous-pavement standard . Every quantity below was measured and certified by the Engineer. Key facts Road length: 76.2 km Site clearance: 105 hectares Cut and excavation: 710,000 m³ Fill and embankment: 2,281,130 m³ Cement-treated subbase: 184,404 m³ (200 mm) Asphalt wearing course: 50,000 m³ (1,000,000 m², 50 mm) Clearing the corridor Work started with site clearance across 105 hectares and topsoil stripping of 149,000 m³ . Topsoil is removed because it is too soft and organic to support a road. Earthworks Cut and excavation in road cuttings totalled 710,000 m³ . Of this, 480,000 m³ of soft material was reused as fill, 180,000 m³ of soft material went to spoil, and 50,000 m³ was rock. Fill and embankment reached 2,281,130 m³ , made up of 2,101,600 m³ of soft material and 179,530 m³ of hard material. Reusing cut material as fill reduces haulag...

Road Safety and Service Ducts on Beji–Jangara–Wushishi Road

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The Beji–Jangara–Wushishi Section III road was delivered with complete road-safety installations and road furniture along its full 76.2 km . ICCO also built in service ducts so future utilities can follow the road without disturbing it. Key facts Road markings: 35,790 m² thermoplastic Guardrail: 18,200 m W-beam Studs and posts: 8,000 reflective studs, 1,600 edge marker posts Signs: 270 including 5 overhead gantries Kilometre posts: 77 HDPE service ducts: 55,000 m including fittings and draw ropes Road safety installations Item Executed quantity Thermoplastic road markings 35,790 m² W-beam guardrail 18,200 m Reflective road studs 8,000 No. Edge marker posts / delineators 1,600 No. Traffic signs, incl. 5 gantries 270 No. ...