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04a) Kon-Tank
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Description
This precast concrete Glycol storage tank was installed at the Greater Buffalo International Airport. The 200,000 gallon watertight structure is comprised of four rows of eight - 30 ton precast segments, creating an approximate 70' square footprint. Through the use of the new patent pending "Kon-Seal" tank sealing system, precast concrete was found to be an extremely efficient solution.
Kistner Concrete Products, Inc. utilized a “valued engineer change proposal” in order to provide the contractor with the alternate design. Through a partnering effort with the owner, NFTA, and the consulting engineer, C & S Engineers; final VECP design was agreed upon. The result of this venture became a net savings of $200,000.00.
Production of all 32 twelve foot square segments took place in 27 days at Kistner Concrete's Lockport, NY manufacturing facility.
Due to severe FAA working constraints and a tank location at the end of a main runway, installation occurred from 12:00 midnight to 6:00 a.m. during runway shutdown. The three night installation of the 32 segments went “smoothly and efficiently.”
The entire tank was subsequently backfilled using control density fill concrete ballast between each section.
Precast Concrete was the ideal solution for these reasons:
1. Speed
2. Project Control
3. Short Work Windows
4. High Quality Factory Cast Finished Product
5. Economy of Design
Other applications include: Bulk Water Potable Storage Tanks, Liquid Storage/Process Tanks, Manure Storage Pits, Oil Separator Enclosures, Fire Protection Tanks
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