Explanation
1. Background: This legislation authorizes the Director of Public Utilities to modify (Mod. #1) the professional engineering services agreement with AECOM, Inc. for the Barthman/Parsons Integrated Solutions Project. This planned modification completes the final design with the funding of the Engineer’s work in the bidding process and engineering during construction services. It is anticipated that some work for the PATC (public and pilot area technical committee meetings) will continue and another public meeting will also take place.
The scope of work for this project is to perform all the requisite investigation, evaluation, formulation and design work to produce construction documents for the re-purposing of Columbus Land Redevelopment Office (Land Bank), abandoned, and vacant parcels for the implementation of Green Infrastructure (GI), with the long term goal to mitigate Designed Sanitary Relief (DSR) activations and water-in-basement occurrences (WIBs). The Engineer will be expected to identify specific parcels or groups of parcels that the City should repurpose for the installing of large-scale GI and low-impact development technologies.
The City wishes to explore viable GI and LID (low impact development) technologies which would be constructed on these vacant or abandoned parcels/lots within the project area. This project area is made up of three individual drainage basins in the Barthman/Parsons area. Two of these drainage basins are located in separate sanitary areas; while the third is in the combined sanitary area. The two sanitary areas are tributary to the Designed Sanitary Relief points (DSRs) No. 206 and 208. See Exhibit E for a pictorial representation of this.
1.1 Amount of additional funds to be expended: $422,333.85
Original Contract $1,124,601.97
Modification No. 1 (Current) $ 422,333.85
Current Total $ 1,546,935.82
1.2 Reasons additional goods/services could not be foreseen:
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