Columbia Association has issued Request for Proposals (RFP) 22-08: Installation of Approximately 64 Rain Gardens, Columbia, MD. A pre-proposal meeting will be held at 11:00 AM, Monday, March 22, 2021 via video conference. Proposers will be allowed 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 Thursday, April 8, 2021. Contact Michael Bost at 410-381–2943 or .