Proposals due June 11, 2021. 4:00 pm. The Vermont Department of Environmental Conservation (DEC) 2021 Phase 1 and 2 Stream Geomorphic Assessments and River Corridor Planning Request for Proposals (RFP). The goal of this funding initiative is to advance development of Stream Geomorphic Assessments (SGA) and River Corridor Plans in high priority regions of the State. The RFP requests qualifications from eligible entities to provide SGA and River Corridor Planning services.