Slope of forest fire prevention passage in Sichuan Province

45 degrees. According to the query of China Sichuan Fire Protection Network, the width of forest fire prevention passage in Sichuan Province is 1.0m, and the maximum slope should not be greater than 45 degrees. When the stairs are set on a steep slope, the step height of the stairs should not be greater than 20cm, and the step width should not be less than 30cm. Safety handrails must be set in dangerous areas to ensure traffic safety.