The Project involves the construction of underpasses at the intersections of Dirab Road with Al Imam Muslim & Al-Khalil Ibn Ahmed Road in the south of Riyadh. Excavation: 436,000 m3; casting concrete S.R.C. different types : 20,000 m3, precast pre-stressed concrete main girder 500 m3, New Jersey Barrier 5,000 LM, structure and steel work including gantry signs, metal fence electro-metric bearing. Roads works including aggregate base course and bituminous base course and bituminous wearing course 160,000 m2, curb stones 34,000 LM, concrete tiles (sidewalk) 40,000 m2, landscaping, irrigation and lighting works. Relocation of utilities: water line D.I. pipes 4,000 mm dia. – 2,300 LM, and dia. 8,000 mm 1510 LM, irrigation line CCP pipes dia. 1,000 mm – 1,065 LM, telephone cables 1,400 LM, and concrete partition parapet 2,000 LM, traffic signs, ( 1,763 ton of steel 27 tons of pre-stressed steel), soil investigations, walkways, directional signboards, landscaping, electrical, utilities modifications and storm drainage.

Relocation of utilities: water line D.I. pipes 4,000 mm dia. – 2,300 LM, and dia. 8,000 mm 1,510 LM, irrigation line CCP pipes dia. 1,000 mm – 1,065 LM, telephone cables 1,400 LM, and concrete partition parapet 2,000 LM, traffic signs, ( 1,763 tons of steel 27 tons of pre-stressed steel), soil investigations, walkways, directional signboards, landscaping, electrical, utilities modifications and storm drainage.