Sherman Oaks, Los Angeles. Sherman Oaks is a neighborhood in the San Fernando Valley region of Los Angeles, California, founded in 1927 with boundary changes afterward. The neighborhood includes a portion of the Santa Monica Mountains, which gives Sherman Oaks a lower population density than some other areas in Los Angeles.
Building codes and research findings do not completely agree over how to place handrails so they might serve the above functions. Research done by Maki and Fernie (1988) indicates a handrail height of 36 to 40 inches is most effective in preventing falls when descending stairs.
Commercial, Industrial, Bridges. Guardrails can be made of many different types of materials: wood, steel, wire rope, composites. The guardrail top rail must be able to withstand 200lbs of downward and outward. force. The guardrail mid-rail must be. able to withstand 150lbs of. downward and outward force. Top rails must be 42 inches tall. plus or minus 3 inches as. measured adjacent to the rail. Mid-rails should midway between. top rail and working surface.