âI think whatâs changed a bit over the years is â over time, the concentration of the active ingredient, THC, has increased dramatically in the marijuana that is available for people to smoke,â Ball said in a video.
Exterior residential entrance steps are usually about 7 inches high, so a porch with more than 2 steps would be about 21 inches high. Most building codes require a 36 inch high guard (railing) if the change in level is 30 inches or more.
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.