Explanation
BACKGROUND: This Ordinance authorizes the Director of Public Utilities to modify and increase the construction contract with Complete General Construction Company for the Fulton St./Franklin County Courthouse 15 KV Circuit Relocation Project, for the Division of Power and Water. At this time, the complete estimated cost breakdown is as follows:
· $110,150.00 - Open cut installation of 6-5" PVC concrete encased conduit
· ($38,500.00) - Credit given by Complete General for not being able to install the conduit through boring. (as was included in the original construction contract)
· $7,165.00 - 10% Contingency
The total amount of this modification is $78,815.00, a 73.5% increase from the original contract.
1. Amount of additional funds to be expended: $78,815.00
Original Contract Amount: $107,250.00
Amount of original contract and this modification: $186,065.00
2. Reasons additional goods/services could not be foreseen:
· The original contract price was based upon installation of the conduit through the means of underground boring. The bore was begun and proceeded approximately forty feet before the boring machine encountered signal interference.
· Interference with the boring machine's signal causes a significant safety issue in that the boring machine operator is unable to detect underground obstructions and may hit other buried utility lines.
· Multiple agencies including the contractor, Franklin County engineers, City of Columbus experts and the boring machine manufacturer attempted to locate, isolate and turn off the interference with no success.
· No one anticipated the signal interference. The boring machine manufacturer concluded that the interference was caused by significant cellular broadband usage in the area of the Franklin County Courthouse.
To complete the installation the construction had to be changed to open cut to install duct banks and the required conduit.
3. Reason other procurement proce...
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