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.
Handrail. 1  It must be at height between 34â³ and 38â³. This interior stair railing that serves as guardrail and handrail. 2  It must be continuous. 3  It must be graspable. 4  It must have a circumference less than 6 1/4â³ or have a finger recess milled into it. 5  It must protrude into the staircase more than 4 1/2â³.