how far above its point of support must a portable ladder extend? 25% of its base height one rung 3 feet its…
how far above its point of support must a portable ladder extend? 25% of its base height one rung 3 feet its full extension flag reset previous next go to overview
Answer
Brief Explanations:
Safety - standards for ladders typically state that a portable ladder must extend 3 feet above its point of support to provide a secure hand - hold for climbing on and off.
Answer:
3 feet