2023 09 19 City Council Packet
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EXHI BIT A Scope of Work N. Jackson Str eet, Athens TN LOCATION & DESCRIPTION The subject site includes a portion of N. Jackson Street generally located between the Athens Municipal Building and the Rail Road. Representatives of Gresham Smith and GeoServices met with representatives of the Athens Public works department to observe and discuss the apparent failure of the road bed. Based on visual inspection it appears the embankment for the road is consolidating considerably leading to the cracking and settling of the riding surface. The project limits established in the field encompass the area where the consolidation of material is visible on the riding surface and reaches generally from Knoxville Ave to the South and extends to the intersection with Georgia Ave to the north, including a short section of Georgia Ave. All observed settling was along the Western side of the roadway and contained within the limits of the Southbound Lane. The fol lowing scope of services is based on our discussions in the field. Please review the scope items and do not hesitate to contact us to discuss any tasks that need to be clarified. Several tasks are specific in responsibilities that belong to Gresham Smith and also support that is expected from city staff. Underst anding and Approach The most substantial settling of the roadway is in areas where the edge of pavement is closest to the top of the embankment adjacent to the railroad property. Our Geos representative noted that it is common to see issues at the edges of embankments due to the difficulty to get proper compaction and general poor means and methods placing fills in these areas. All in attendance noticed and agreed that the Southbound lane is overly wide in the area of the most notable failure and could be reconfigured to relocate the western curb line away from the edge of the embankment. The proposed limits of the project are tangent sections of road that have a standard 12’ lane southbound. Our anticipated plan for the roadway is to hold the existing double yellow striped center line and offset that alignment 12’ to establish the western Edge of pavement. This realignment of the western edge will help to move away from the most problematic area at the top of the slope and also to focus our subgrade repair on a more manageable area. Field data collection: Fee $ 6,390.00 We are l imiting the data collection for this project to topographic information only using GPS equipment. Based on conversation in the field we anticipate all work on this project will be performed inside the existing ROW and that any work on, disturbance of, or access to the adjacent railroad property will be coordinated by the City of Athens. If the city would prefer a full survey performed by a Registered Land Surveyor (RLS) we can request a scope of fee from one of our many teaming partners in the Knoxville or Chattanooga area. 1. Topographic Data Collection 2. Data Processing 3. Review of plans provided by City 94