We ran 1 in. emt attached to pvc in floor stub to cold water then ran 1 in. emt stub/sleave to building steel installed 3/0 ground wire though emt to cold water clamp then thru to building steel cald weld we did not ground emt we used as a sleave is the emt required to be grounded & if so how would we do now with out remove cald weld & pulling back wire.