at grade


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at grade

Said of that part of a structure which is at the same elevation as the adjacent finished ground level.
References in periodicals archive ?
At grade 5 the children are taught that "many people" in our country who are "very much alone, very sick and very frightened" are suffering from AIDS, which, as we have seen, is not true.
BRIDGEND:The proportion of candidates achieving grades A*-C has risen to 65.7%, with 98.9% obtaining a pass at grades A*-G.