For the high slope formed after the excavation of the dam foundation, the slope support construction shall be carried out in time according to the requirements of the drawings and instructions.Whether reinforcement measures should be taken on the rock slope shall be carried out after completion of foundation excavation and evaluation at the site.Steep unweathered intermittent rock slopes are generally reinforced by rock bolts.In addition to rock bolt reinforcement, the rock surface of weathered rock slope should also be supported by shotcrete.