The City of Ballwin is inviting all qualified vendors to submit a proposal for professional services for the design and implementation of a new cloud-based computer aided dispatch system. Proposals must be mailed or hand delivered to the Ballwin Police Department, 300 Park Dr., Ballwin, MO 63011 by 2 p.m. on Tuesday, April 30, 2019. Bids are to be clearly marked “Request for Proposal CAD RFP 19-22  ATTENTION Tony Hickham Project Coordinator." Any questions can be emailed to ahickham@ballwin.mo.us no later than 5 p.m. on Friday, April 19.