BERLIN-A herd of dairy cows nearly lifted the roof off their barn in central Germany when methane released by the animals caused an explosion. Police in Hesse state said in a statement that a static electric charge apparently triggered the detonation, and a spurt of flame, on Monday at a farm in Rasdorf. The roof was slightly damaged and one cow suffered light burns.
Handrails shall be provided on at least one side of each continuous run of treads or flight with four or mâ¦ore risers. - Maximum riser height allowed by code is 7 3/4 and you would need to have 3 or less risers to omit a handrail. The answer would be 23 1/4 max.
A. Handrails must have minimum and maximum heights of 34âand not more than 38âas measured vertically from the nosing (outside portion of stair treads) and must be provided on at least one side of stairways of three or more risers. B. Open sides of stairs must have a guardrail installed to prevent a 4 inch sphere