Work the 4-to-1 setup out loud
Apply the 4-to-1 angle rule and then verify footing, support, and displacement controls.
Grace is using about 16 feet of ladder length from feet to top support, but the base is only about 2 feet from the wall. Working length divided by 4 equals approximate base distance, followed by footing, support, and displacement checks The common trap is treating a steep ladder as safer because it feels closer to the wall. Name the working length The working length is about 16 feet from the ladder feet to the top support. Use the ladder length actually supporting the climb, not a vague visual guess. Divide by four 16 feet divided by 4 equals about…
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