Complex sentence: In February 1882, the company broke ground and erected an extensive plant on the corner of West Adams street with entrance at 224 Oneida Street in the sixth ward and were ready for move in by November that year.
Split into simpler sentences: In February 1882, the company broke ground and erected an extensive plant on the corner of West Adams street with entrance at 224 Oneida Street in the sixth ward. They were ready for move in by November that year.