Columbia Association has issued Request for Proposal (RFP) 20-07: Engineering and Design Services for Lake Sediment Management Plans. A pre-proposal meeting will be held at 2 pm on Tuesday, July 9 at Columbia Association’s Maintenance Facility, located at 9450 Gerwig Lane, Columbia. Proposers will be allowed the opportunity to ask questions at this time. Attendance at the pre-proposal meeting is strongly encouraged but not mandatory. Proposals are due no later than 2pm on Friday, July 19, 2019. Contact Mark Pemberton at 410-381-2947 or