Explanation
1. BACKGROUND
This ordinance authorizes the Director of Public Service to modify a professional services contract with Gannett Fleming Engineers & Architects, P.C. (Gannett) in the amount of up to $562,735.57 for the Bridge Rehabilitation - Front Street and Nationwide Boulevard project.
Ordinance 0824-2023 authorized the Director of Public Service to enter into a professional services contract with Gannett for the Bridge Rehabilitation - Front Street and Nationwide Boulevard project in an amount up to $520,781.96. The intent of this project is to provide the City of Columbus, Department of Public Service, additional resources for design services to rehabilitate the Front Street and Nationwide Boulevard bridges over the railroad tunnel in downtown. The project will include deck replacements, conversion of the bridge abutments to semi-integral, painting of the superstructures, approach slab replacements, and joint replacements.
1.1 Amount of additional funds to be expended: $562,735.57
The original contract amount: $520,781.96 (PO382727, Ord. 0824-2023)
The total of Modification No. 1: $562,735.57 (This Ordinance)
The contract amount including all modifications: $1,083,517.53
1.2 Reasons additional goods/services could not be foreseen:
The modification was anticipated because the first task on the contract only included the study. The study produced critical information that informed the scope of the design task covered in this modification.
1.3 Reason other procurement processes are not used:
It was deemed to be more cost efficient to modify the existing contract to have the company familiar with the project complete the design work rather than to bid the remaining part of the work.
1.4 How cost of modification was determined:
The cost of this contract modification is consistent with the direct labor, overhead, and profit rates established within the original proposal/contra...
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