Construction of Underpasses (Length: 2400 LM, widenth 35 LM with change depth from zero up to 9 m) at Dirab Highway (at the Intersections with Tarmazee road and Muthanna road) in South Riyadh as well as the relocation of existing utilities.

Major Quantities: Excavation: 3,500 m2, casting concrete S.R.C. different type 20,000 m3, precast pre-stressed concrete main girder 500 m3, New Jersey Barrier 5,300 LM, structural and steel works (1,600 tons of steel) including gantry signs, metal fence electro-metric bearing.

Road works including aggregate base course and bituminous base course and bituminous wearing course 150,000 m3, curb stones 35,000 LM, concrete tiles (sidewalks) 40,000 m2, landscaping, irrigation, and lighting works, soil Investigations, asphalt, walkways, directional sign boards, electrical, relocation of utilities: water line D.I. pipes 600 mm dia. – 1500 LM, 400 mm dia. sewerage line (VCP), and telephone cable: 1600 LM.