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Updated: July 8th, 2008 05:26 PM EDT

Informal "Partnerships" Key to Complex Parking Lot Project

Photos © P-Tn, courtesy Superior Bowen Asphalt
The project involved new construction of three parking lots and some connecting roadways from the lots to the airport terminals. Bridgework and bridge upgrades also were involved, as was installation of lighting and a variety of other related construction elements.
Photo © P-Tn
Photo © P-Tn
"This was a well-thought-out project," says Bob Jewett. "There were very few minor problems with it despite the complexity of the job and those were handled promptly by the joint efforts of the engineer, owner, and contractor." Superior Bowen coordinated regularly with the airport because air space was a concern as some equipment couldn't be operated on bridges during certain hours because the bridges are in the flight paths.
Photo © P-Tn
Planning involved "vertical" as well as "horizontal" construction, as in the case of bus lanes. These lanes, which were constructed thicker than the parking lot area because they carry heavier vehicles, were paved up to the subgrade before Superior Bowen constructed the base course.
Photo © P-Tn
Soft soil susceptible to freeze/thaw cycles was stabilized with a lime slurry.
Photo © P-Tn
Then mixed in and graded. Fly ash was not used in order to protect jet fuel filters from dust.
Photo © P-Tn
More than 100 miles of pavement marking was installed. Painting was done by McConnell& Associates Corp., North Kansas City (right), while Twin Traffic Marking Corp., Kansas City, did thermoplastic work.

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Impact Sweeping

Minute By Minute

Allan Heydorn
By Allan Heydorn
Editor

When Superior Bowen Asphalt bid the Economy Parking Project at Kansas City's International Airport (KCI), the contractor knew it was going to have to rely heavily on its subcontractors and the engineer to get the job done right and in a tight 18-month schedule.

Formed by the merger of Bowen Construction Co. and Superior Asphalt Co. five years ago, Superior Bowen Asphalt employs 300 people and operates seven hot mix asphalt plants, all in the Kansas City area. A paving and milling contractor, Superior Bowen generally works as a subcontractor on this type of project.

"We concentrate on paving and cold milling for a broad range of commercial, residential, or public agency projects," says Bob Jewett, estimator and project manager for the airport parking lot project. "We are the prime contractor only on jobs where the asphalt paving work is the dominant item, otherwise we are a subcontractor. The reason we got this job is because we did the general contracting as well."

But that meant coordinating a broad variety of work among the owner, KCI; the engineer, SK Design Group; and a number of subcontractors. It is that coordination, combined with a well-designed project, and quality paving efforts that earned a Quality in Construction Award from the National Asphalt Pavement Association.

A complex job

KCI is laid out with three separate terminals, A, B, and C. Originally one parking lot served all terminals with a bus route connecting the parking to the terminals. The problem was that anyone departing from Terminal C had to ride the bus and wait out stops at terminals A and B before getting to his destination. Under the new plan each terminal has its own parking lot with a bus route connecting that parking lot to its appropriate terminal.

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