A witness may testify to a matter only if evidence is introduced sufficient to support a finding that the witness has personal knowledge of the matter. Evidence to prove personal knowledge may consist of the witnessâs own testimony. This rule does not apply to a witnessâs expert testimony under Rule 703.
Max. rise is now 7-3/4, and minimum run is 10, nose-to-nose, with at least a 3/4 bullnose required, so the step is actually about 11 long. For commercial or multi-family stairs, it is still 7 max and 11 min.ax. rise is now 7-3/4, and minimum run is 10, nose-to-nose, with at least a 3/4 bullnose required, so the step is actually about 11 long. For commercial or multi-family stairs, it is still 7 max and 11 min.
So, hit the outdoor staircase at your favorite park, the stairs in your apartment building or the stair climber at your gym and get toned in just 20 minutes! The Steps (literally!)â¦. Minutes 0-2: Warm up by walking up/down the stairs (get to a level 5 on an exertion scale of 1 â 10). Minutes 2-4: Jog up/down the stairs (level 6/7). Minutes 4-6: Walk up/down skipping a step on the way up (level 7/8).