Ald. Brendan Reilly, 42nd, wants to allow more than 2 million square feet of space on the sprawling state-owned site, at 100 W. Randolph St., that is up for sale. The proposed ordinance is expected to be introduced Wednesday to the City Council’s zoning committee, and it could be up for a vote by the committee — and eventually the full City Council — as soon as April, he told the Tribune Tuesday.