Business Opportunity: A pre-bid conference to discuss a State contracting opportunity for Refurbishment of Two Colling Towers at Maryland Reception Diagnostic Classification Center. Pre-Bid Conference is scheduled for Wednesday, April 27, 2016, MRDCC, 550 East Madison Street, Baltimore, Maryland 21202. Contracting opportunities in Roofing Materials & Supplies. If you are interested in learning more about this contracting opportunity, you may review the solicitation at www.emarylandmarketplace.com, Project Number # K-743-160-003. The project classification for this solicitation is A (up to $100,000).