The Danbury Planning Commission has approved a flood plain permit for a used car dealer to locate a new office, showroom and display lot.  The 4 properties off exit 6 of I-84 previously housed Danbury Ambulance, which just before the pandemic moved into the hospital.  Approval was needed for Blasius of Danbury because part of the land is in the Padanaram Brook flood plain.  The Walnut Street proposal also has frontage on Oakland Avenue Ext and Rowan Street Ext.  Danbury Deputy Planning Director Jennifer Emminger says the City's engineering department signed off on plans to demolish two of the four buildings and renovate two others.  A 2,500-square foot garage, a 3,800-square-foot showroom and office building, and an open area for parking is planned, with the used car inventory lot on the east of the buildings. Plans call for storm drainage improvements and the installation of curbing and sidewalks along Walnut Street and Oakland Avenue.