Specifications include, but are not limited to: The project includes replacement of an existing 36-inch plastic culvert with a new 57”x38” arch CMP culvert. The culvert will be installed in accordance with the manufacturer specifications and common best practices including head walls. Removal and disposal of excess “waste” soils is the responsibility of the contractor. All work will occur in and be accessed from the Town and State road rights-of-way. Erosion control best practices are required, temporary diversion of the stream flow is allowed as needed, and the road surface shall be returned to pre-construction conditions.