Explanation
BACKGROUND: This Ordinance authorizes the Director of Public Utilities to modify and increase the construction contract with Kokosing Construction Co., Inc., for the Hap Cremean Water Plant Sludge Pump Station Renovations Project, for the Division of Power and Water, Contract No. 870.
This modification will replace a section of chemical lines with double wall pipe and upgrade the trench, provide additional inputs to the Distribution Control Center to control the high service pumps, install waterlines to Lagoon 1, Lagoon 2, and the Intake Structure, replace a section of the Sludge Force Main due to a corroded condition, provide for the collection and compilation of additional electrical data points for the Arc Flash Safety/Short Circuit Coordination Study, provide additional milling and paving, replace a section of the waterlines for the plant fire hydrants due to deteriorating conditions, equip two 15 kV switchgear cubicles to provide for future electrical needs, accelerate the sludge line meter vault construction schedule, and provide repairs to leaking basin walls and piping.
1. Amount of additional funds to be expended: $1,106,269.00
Original Contract Amount: $32,856,600.00
Amount of original contract and this modification: $33,962,869.00
2. Reasons additional goods/services could not be foreseen:
· Replacement of a section of buried chemical lines with double wall pipe and upgrading the trench: Performing this environmental safety work as soon as possible will reduce the risk that a chemical leak will end up in a nearby drainage ditch and the Big Walnut Creek. Also, completing this work was needed before the paving work in this area was started to reduce the costs of repairing any damage to the surrounding pavement.
· Provide additional inputs to Distribution Control Center to control the high service pumps: The number of points needed to control the high service pumps could not be fully determined until after constructio...
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