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TO: Mayor Richard C. Irvin
FROM: Steve Andras, P.E. Interim Airport Manager
DATE: January 9, 2019
SUBJECT:
A resolution ratifying payment to Builders Paving, LLC for a change order in conjunction with the paving of the East Ramp Parking Lot located at the Aurora Municipal Airport in the amount of $23,357.65.
PURPOSE:
To ratify payment to Builders Paving, LLC for work performed on the East Ramp Parking Lot Paving Project.
BACKGROUND:
This project was initially approved under resolution R18-225 and was to be constructed at the same time as the State-funded Southeast Quadrant Perimeter Roadway project by the same contractor.
There was a 5-week delay in the start of the project due to a paperwork processing issue on the part of the State Division of Aeronautics. This pushed construction for both projects into late fall.
During the parking lot paving project it was discovered that the subgrade soils were saturated and needed to be dried and re-compacted or replaced with dry granular material. Given the time of the year, it was evident that drying the existing subgrade was not an option. We decided to import porous granular material and remove and haul away the bad subgrade.
The contract unit price for removing and replacing unsuitable material was $84.00 per cubic yard. We negotiated a reduction in this price to $70.00/CY due to the large anticipated quantity. We also reduced the size of the lot to 2,127 square yards in order to reduce the amount of required undercut as well as reduce the overall quantities to lower the cost of the project.
DISCUSSION:
A budget transfer from account 504-1810-433.38-01 (remaining budget amount $6,360) has been completed and the necessary funds are available in account 504-1810-433.38-05 (remaining budget amount $21,612). The total value of work completed in 2018 for this project is $95,037.55 and will be paid for out of the 2018 budget. The remaining striping work ($1,508) will be done in 2019 and paid for out of th...
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