All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: The selected firm shall perform preliminary engineering and plan development services necessary to produce construction contract documents for the listed projects in accordance with INDOTs designated letting schedule. INDOT intends to develop and deliver the project as a Design Build Low Bid (DBLB) project. When necessary and directed by INDOT Project Management, this project might be split into multiple contracts and in part or whole be delivered as Design Bid Build (DBB) project(s). The selected firm shall complete an Engineering Assessment for the interchange project. The selected firm will also be responsible for: AI to the existing Environmental Document (Note; there is an approved CE for the corridor and I-70 ATL from SR 267 to SR 39 was listed as phase 4. Approved CE document is provided as supporting document of this RFP item), Topographic Survey, Design & Plan Development, Hydraulic Analysis, Permits Applications, Right-of-Way Plan Development (including R/W Engineering, Title Research and Staking), Geotechnical Engineering, Utility and Railroad Coordination, Pavement Design, Traffic Signal Design, Traffic Safety Analysis, Construction Phase Services, and other related services as needed. Additionally, the selected firm will be responsible for providing professional public outreach and marketing services for all construction contracts on this RFP. These services shall compliment INDOTs efforts to proactively communicate project development updates in an effective manner to various media outlets through the consistent utilization of multi-media messaging and visual illustrations as requested. The selected firm shall coordinate with INDOT on all outreach efforts, which may include stakeholder meetings, information meetings, and/or public hearings as deemed appropriate. Other services such as Ecological Surveys, Archaeological Investigations, Historical/Architectural Investigation, and Wetland Mitigation, may be included later if these work types become necessary. The selected firm will be responsible for the Real Estate Acquisition Services (including R/W Management, Appraising, Review Appraising, and Buying) if they become necessary for the project. Please note that the City of Plainfield has released a scoping and alignment study report identifying their priorities which is available at https://www.townofplainfield.com/1722/Scoping-Alignment-Study.