Supervision of Construction of all architectural, civil, electrical, mechanical, roads, landscaping and sidewalks necessary at the border crossing of the Kingdom of Saudi Arabia, which connects it with the Sultanate of Oman. The new border crossing is located at southeast of the Eastern region about 930 km from Riyadh, which will form the main gateway to the Sultanate of Oman. It includes two main parts: the cargo crossing and the passenger crossing, which together form the land crossing, in addition to many important facilities for the management of the crossing, such as immigration, passport building, villas (40 residential complexes) for workers housing, each housing unit contains 10 independent rooms and temporary housing (180 independent rooms), including all necessary and recreational services at the crossing, helipad, mosque, the drinking water purification station, new wells feeding the crossing facilities, service roads, security monitoring roads, the security fence surrounding the crossing, and the security fence separating the Kingdom of Saudi Arabia and the Sultanate of Oman with a length of 20 km, as well as cargo inspection platforms, administrative offices, a bank branch, a fuel station, and a building for monitoring means according to the latest methods and international specifications, in addition to all necessary infrastructure (drainage and water lines, electrical cables, and generators) and surveillance cameras, Lighting, remote communication and all works related to the project of supplying and installing security and technical equipment at the port. The scope includes engineering design works for some facilities and the road linking to Empty Quarter and the Sultanate of Oman port. The length of the designed road is estimated at 1 km.