As stated in the approved project proposal document, crash rated bollard will be provided in WADI Khulais.

PE-000002 para. 1.2.2.1.1 bullet 5 states that Culvert at Wadi Khulais to support the route of the new fence with the provision of crash rated bollards and security grill at flood control channel, and construction of concrete slab towards sea-outfall immediately after the proposed box culvert in coordination with Thuwal Town flood control project.