CHA: DEMOLITION CONTRACTORS DEMOLITION SERVICES AT LECLAIRE COURTS EXTENSION GROUP 4 INVITATION FOR BID NO. 10-00585 CHICAGO HOUSING AUTHORITY (CHA) INVITES QUALIFIED FIRMS/ORGANIZATIONS TO SUBMIT SEALED BIDS FOR: DEMOLITION SERVICES AT LECLAIRE COURTS EXTENSION GROUP 5 INVITATION FOR BID NO. 10-00587 Bids due 09/14/10