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.
Handrails must be at a height that the average person can grab readily as they go up or down steps. Some jurisdictions require railings to be 31 inches to 36 inches above the nosings of the steps. In other jurisdictions, they have to be 34 inches to 38 inches above nosings.